Book Review - EMP Radiation and Protective Techniques

EMP Radiation  and Protective Techniques

by LW Ricketts, JE Bridges, J Miletta

A Wiley-Interscience Publication, 1976

1.            Nuclear weapons can have devastating effects. Usually, one thinks only of the blast, thermal, and radiation effects as they relate to the human body. However, considering only these factors ignores some of the other devastating effects. One such effect is that of the nuclear electromagnetic    pulse   (EMP).   The   effects   of   the   nuclear electromagnetic pulse must be considered and calculated when preparing for a nuclear war.

2.            Electromagnetic Pulse (EMP) is now recognised as one of the most important nuclear weapon threats. EMP from a weapon detonated many hundreds, even thousands, of kilometres away is capable of disrupting or damaging electronic equipment, especially modern digitally controlled systems. Equally important, in many cases EMP is not accompanied by any other prompt nuclear weapon output. These conclusions are supported by a considerable number of data developed from both sophisticated analyses and non-nuclear-threat-level experiments on electronic equipment.

3.            The importance of EMP is now clearly established, and a considerable amount of information is appearing in the open literature. Much of this information, however, is processed exclusively on a single topic and often does not address problems that are of immediate concern. Moreover so much “good” information has now become available that it is often impossible to extract the essentials and lay out a meaningful hardening program.

4.         The book shows how quantitative data on EMP pickup, component susceptibility, and hardening performance can be developed and integrated into EMP hardening requirements for specific electronic components or subsystems. These hardening requirements can be stated in a form (in terms of EMP pickup currents and voltages) readily understandable by various system design specialists. The book also describes the management aspects necessary for long term EMP hardening.

5.         The author has summarised information on hardening allocation in such a simple language that it can be understood even by the reader having nil experience in the field. This first involves identification of threat, the related EMP environment, and then the EMP pickup. The pickup is compared with the susceptibility to determine the total isolation required, which is then allocated to specific components of the system. The hardening isolation required can be reduced by proper component and system design. Laboratory methods similar to many existing procedures for EMC (electromagnetic compatibility) and RFI (radio-frequency interference) can be employed to confirm these analyses.

6.         The book is divided into three parts. Each part is further divided into chapters which cover specific topics. The author has definitely put in hard work and has covered a broad spectrum of the subject. Each chapter covers the related topics in great detail.

7.         In Part I EMP Environment and Pickup are nicely covered in two chapters. In chapter 1 the author discusses the EMP environment from a system and trade-off viewpoint. Twelve environments of significance are identified that may affect the various system design or operational mode options, and are explained with the help of a diagram. Further Near-Surface Burst, Mid-Altitude Burst and Exoatmospheric Burst are explained in detail with the help of figures and mathematical expressions. The author has covered the topics in such a way that even beginners can draw fruitful lessons from the text and other means used. Chapter 2 deals with the conversion of the EMP environment into currents and voltages that may be applied to sensitive components. This helps to give a means to the reader to understand as to how we can measure EMP in terms of quantities such as current, voltage and energy. Examples of results from calculations which are included, definitely enables the reader to obtain a feeling for the type of EMP pickup likely to be encountered. Similarly approximate formulas are presented that characterize the pickup in terms of a single lumped parameter circuit or Thevenin’s equivalent generator.

8.         Part II covers the Behaviour of Components and Subsystems. A large amount of data is tabulated in this part and also in Appendix B which covers the susceptibility tables. In chapter 3 the susceptibility on a quantitative basis of typical electronic parts, such as transistors, resistors and capacitors is discussed at length by the author. Although electronic components can be acted on directly by an EMP, the main threat to electrical components is the induced transients generated by EMP-system interaction. The chapter deals with the effects of short-duration electrical transients on electronic components. The prime attention is given to the failure thresholds of components, with emphasis on semiconductor devices. The electrical response of components to high-level transients is also discussed. All this is discussed with the help of well described graphs, diagrams and mathematical equations, which further helps the reader to understand the issue in an efficient manner. Chapter 4 deals with numerous formulas and other data that permit estimating the performance of various hardening components such as envelope shields, cable and connector shields, baluns, filters, surge arresters, transformers, chokes, disconnects, spark gaps, zener diodes and varistors. This chapter also tells how to calculate the hardening or shielding effectiveness of the various protective techniques and devices. Chapter 5 gives an insight to the practical aspects of the techniques described in chapter 4. The author has covered as to how to conduct the various laboratory test procedures required to evaluate the effectiveness of shields, vents, gaskets, cables, connectors, filters, surge arresters and chokes. This chapter shows how to setup and how to perform the various test procedures in the lab. The diagrammatic description of each procedure can be used to conduct these tests in the lab.

9.         Part III of the book gives an insight in to the System Aspects. Chapter 6 presents the management aspects of EMP hardening with emphasis on quality assurance. It also covers numerous system design aspects, including operational upset control, harmonising EMP, lighting and RFI requirements, and the development of a grounding and cabling plan. The chapter covers EMP hardening management, EMP control plan, design and development, maintenance and operations and monitoring of operational systems. The chapter also covers EMI, EMC, RFI, EMR, HERO and RADHAZ in brief. Shielding and Susceptibility Zoning Approaches, System Aspects of Damage Protection and System Aspects of Upset Protection are also covered. In Chapter 7 the author has nicely discussed one method of developing hardening allocations-specifying quantitative performance requirements for components and subsystems. The author has nicely addressed how hardening allocation approach may involve breaking the system up into various subsystems. Then the EMP hardening performance requirements are applied in a specific and quantitative way to each of these elements. This chapter also covers Buried Facility Allocations, Mobile Shielded Van Allocations and Aircraft Allocations which gives an adequate exposure to the reader.

10.       Apart from these seven chapters the author has also provided three appendices, which prove quite helpful. Appendix A contains a Glossary of Relevant Terms so that the reader can get a quick reference to various terms used in different chapters. Appendix B gives the various Susceptibility Tables, which contains susceptibility data on electronic circuits and components. Appendix C covers the various Simulation Facilities. 

11.       The book covers the activity relating to the susceptibility of electronic components and circuits used in electronic or electrical systems to the EMP environment or, more specifically, to the effects of transient voltages and currents that result from EMP energy being coupled into cables, antennas, power distribution systems, and other conductive structures. Particular emphasis has been given by the author to the margin of tolerance in the specifications of a device, circuit or subsystem. This can be a very important consideration in evaluating the degradation in the EMP environment.

12.       The book describes each topic adequately with the help of graphs, diagrams and mathematical expressions which will definitely be helpful for persons working in the field of EMP. Certain topics such as effects of EMP radiations on human body could also have been touched upon. The book also gives an exhaustive list of references and with the bibliography provided one can easily go out and enhance his knowledge of the subject.

Reviewed by one of my students Vikas Agnihotri

A LOCAL HISTORY OF POONA AND ITS BATTLEFIELDS - Book Review

Book Review

 

A LOCAL HISTORY OF POONA AND ITS BATTLEFIELDS

By

COLONEL L W SHAKESPEAR

 

[MACMILLAN AND CO. LONDON 1916]

 

Reviewed by Vikram Karve 

 

 

It was indeed my good fortune to chance upon this engrossing book on Pune (Poona), the city I was born and live in. 

I enjoyed reading this book. Let me tell you about it.

 

Dear Reader, before you read on, please bear in mind that this 1916 vintage book was written for “present-day residents” of Poona by Colonel L.W. Shakespear, who at that time, in 1916, was the AQMG 6^th Poona Division, and apparently an eminent military historian who also wrote “History of the 2^nd KEO Goorkhas (sic)” and “History of Upper Assam and the North-East Frontier”.

 

Things change, a lot of water has flown down the Mula and Mutha, the anglicized Poona is now known as Pune (its original Maharashtrian name) and if you want to truly enjoy this delightful book, close your eyes for a while and transport yourself ninety years back in time from the chaotic Pune of today to the Poona of 1916 in order to enable you to lucidly see in your mind’s eye its glorious heritage so vividly portrayed by the author.

 

Eschewing long-winded prologue, the author, a military man, succinctly states his objective right in the beginning on the first page: “It is not intended to go deep into dynastic matters, but only to touch on the locality’s earliest days, and then turn to more modern times; calling up items of interest which may make their sojourn here, and perhaps their outings, of greater value to present-day residents.”   

This is not a definitive work and the reader must keep in mind the author’s intent and point of view for a better understanding of this book.

 

Tracing the genesis of Poona, Shakespear concludes: “From about A.D. 230 to A.D. 500 no specific information is found concerning this locality; but there is reason to believe that … Poona was ruled by the Ratta clan, which… became sufficiently powerful as to be styled “Maharashtra”, or country of the greater Rattas, from whence the… name Maharatta. The next few pages sketch, in a perfunctory manner, the period till the advent of English troops in 1722 and building of the first Residency west of the Mutha river, at its confluence or Sangam with the Mula river, for Mr. Mostyn, the first British Resident. There is an illustration, of an old-time painting by Henry Salt, depicting the Mula-Mutha Sangam, the City, and Parbatti (Parvati) Hill in the background that gives a good idea of the extent of Pune city before the Bund was built across the river followed by a wooden bridge near the Sangam.

 

“This brings us to the period when Poona began to possess a personal interest for the English” the author writes and than takes the reader on a series of “rides” or “outings” to vividly describe important historical events against the backdrop of geographical topography. The narrative, interspersed with apt illustrations, is very interesting and even today it would be worthwhile to walk the “rides” and see the various landmarks of heritage value and historical importance like Ganeshkhind, Bhamburda Hills and Plain, Lakdi Pul Bridge, Parvati, Panchaleshwar, the Poona and Kirkee cantonments, Garpir, Ghorpuri, Wanowri, Yerawada, Katraj, Sarasbagh, Gultekdi, Hadapsar, Saswad, Chinchwad, Induri, Talegaon, Lonavla and Peths of Poona City. There is an interesting description of the underground water ducts and conduits from the springs and lakes at Kondhwa, Katraj and foothills of Sinhagarh to bring water to Rasta Peth and ensure pure water supply to the city.

 

The meticulous account, embellished with maps and sketches, of Poona and its Battlefields, and the battles that took place thereon, has been fluently narrated in easy readable storytelling style and this makes the book gripping and unputdownable once you start reading it. However, the reader must remember that this book is written by a British Army Officer in 1916 and depicts his version of events and point of view and the perspective of that period. 

 

The book describes the defining events in the evolution of the cantonment town of Poona, which was the precursor to the modern day Pune as we know it today. It is an entertaining and informative book, a unique and rare piece of writing about an important period of the history of Poona (Pune) and would be of interest to Punekars and students keen on learning about the heritage of Pune.

 

VIKRAM KARVE

Copyright © Vikram Karve 2010

Vikram Karve has asserted his right under the Copyright, Designs and Patents Act 1988 to be identified as the author of this book review.

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Appetite for a Stroll

  

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The Secret of Achieving More with Less

Book Review


The 80/20 Principle: The Secret of Achieving More with Less by Richard Koch


(Reviewed by Vikram Karve)


The Pareto Principle (also known as the 80-20 rule) states that for many phenomena, 80% of the consequences stem from 20% of the causes.

Richard Koch takes a fresh look at the 80/20 principle and finds that the basic imbalance observed by Pareto way back in 1906 can be found in almost every aspect of modern life even today. He creatively and ingeniously extrapolates the Pareto Principle and discovers that it applies throughout our lives in every thread of it. It occurs in managing time, work, people, emotions, friendships, love, marriage, personal health and relationships.

Take relationships. Is it not true that 20 per cent of the people we deal with give us 80 per cent of our happiness?

What can you do to spend more quality time with these 20 per cent happiness givers?

Count on these people. They are your key friends, the 20 percent who contribute 80 percent of happiness and add value to the quality of your life.

The book is in four parts. Part One (Overture) introduces the principle, is a bit analytical but interesting and tells us how to think the 80/20 way.

Part Two (Corporate Success need not be a mystery) discusses the application of the principle to the business management and corporate domains.

The meat of the book is in Part Three (Work Less, Earn and Enjoy More) where Richard Koch explores application of the 80/20 theory in a number of ways to diverse aspects of life.

Chapter 10 titled Time Revolution is superb, and I can vouch for the fact that concepts like being unconventional and eccentric in the use of your time and high-value and low-value uses of time are really effective as I have incorporated them into my life with great success. Of the things you do during your day, only 20 percent really matter. Those 20 percent high-value uses of time produce 80 percent of your results and happiness.

Identify and focus on those things and make sure you make optimal high value use of time to achieve a harmonious balance between your work, home, social, self and other aspects of life.

Chapter 13 titled Intelligent and Lazy delves on the application of Von Manstein Matrix.

General von Manstein identified four types of officers in the German Officer Corps of the army.

First, there are the lazy, stupid ones. He suggests that they be left alone as they do no harm.

Second, are the hard-working, intelligent ones. These are excellent staff officers who ensure every detail is accurate.

Third are the hard-working, stupid ones. These, according to him, are a menace and must be fired at once because they only create irrelevant work for everybody.

And finally there are the lazy, intelligent ones. [The 80/20 types?]. They are the select few suited for the highest office.

The fourth and last part of the book (Crescendo) explains the success and failure of various approaches in social, government and economic issues with the 80/20 principle as an ever present thread.

The book is readable, educational and interesting. The secret of a happy and fulfilled life is not difficult. The book shows you how to apply the 80/20 principle to focus on your best 20 percent in each aspect of your life and thereby enhance your quality of life and elevate your plane of living.

I suggest you keep the book on your table and refer to it from time to time.

The 80/20 Principle should serve as a daily reminder to focus 80 percent of your time and energy on that 20 percent that is really important.

Experiment, have fun, apply the Pareto Principle in various aspects and facets of your life wherever feasible, and use it wisely.

See for yourself how the quality of your life improves, you achieve a harmonious balance between your work life, home life and social life and you feel happy, tranquil and fulfilled.

It is indeed a captivating book. Read it. You will certainly benefit from it.


VIKRAM KARVE

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Book Review: Radar Systems Analysis by David K Barton

Radar Systems Analysis is a comprehensive and cohesive introduction to radar systems design and performance estimation. It offers professionals the knowledge they need to understand, analyze, evaluate, or design radar systems. The book presents accurate detection range equations for realistically estimating radar performance in a variety of practical situations. As radar systems evolve, designers, engineers, and analysts can turn to this book again and again to keep up with the latest advances in radar technology.

This book offers radar engineers all the fundamental and advanced information they need in day-to-day work. Readers will find several lucid chapters on various aspects of radar, such as theory of target detection, theory of radar measurement, description of radar targets, theory of search radar and its signal synthesis and analysis, error analysis, processing of radar data and tracking systems.

The book is divided into seventeen chapters starting with the theory of target detection where the radar echoes and noises are dealt with along with the integration of pulses. Chapter 2, 3 and 4 deals with the radar measurement of range, angle and velocity using the classical radar equation description, and description on RCS and complex targets. Chapter 5, 6, 7 and 8 is dedicated to the search radar and its target detection and measurement, MTI techniques, and synthesis and analysis. Chapter 9 to 14 deals extensively with the track radars which include angle measurement and tracking and its error analysis, range tracking systems, Doppler tracking systems, tracking radar data processing and its acquisition. There are discussions on the survey of propagation effects and multistation radar networks.

This book details practical procedures for search and track radar system testing and evaluation of radar range in difficult environments of combined noise, jamming, and clutter. However, an important topic like radar testing and evaluation gets one lonely chapter with somewhat cursory coverage. The book is substantiated with the adequate references and bibliography along with mathematical approximations for radar beam shape, spectra and waveforms.

Tables on transmission line and receiver input noise temperatures and table on radar range factors for system power change from 0 to 40 db have been provided for appropriate reference and use.

This excellent book summarizes the theory of radar systems and provides the radar engineer with methods and tools for estimating the performance of a wide variety of radars and for synthesizing or selecting radar designs to meet detection and tracking requirements. I recommend this book to all those interested in this fascinating field and Libraries of Technical Educational Institutions.

Oriental Wisdom & Cognitive Science

HUMOR WISDOM COGNITION THERAPY

A fascinating book on my bookshelves – ORIENTAL STORIES AS TOOLS IN PSYCHOTHERAPY : A Book Review

By

VIKRAM KARVE




An Eastern merchant owned a parrot. One day the bird knocked over an oil flask.

The merchant became very angry and hit the parrot on the back of the head.

From that time on, the parrot, who had previously appeared to be very intelligent, could not talk any more.

He lost the feathers on his head and soon became bald.

One day, as the parrot was sitting on the bookshelf in his master’s place of business, a baldheaded customer entered the shop.

The sight of the man made the parrot very excited.

Flapping his wings, he jumped around, squawked, and, to everyone’s surprise, suddenly regained his speech and asked the baldheaded man, “Did you, too, knock down an oil flask and get hit on the back of the head so that you don’t have any hair any more?”

This is a story called The Merchant and the Parrot from a delightfully interesting book in my bookcase called “Oriental Stories as Tools in Psychotherapy” by Nossrat Peseschkian. I bought this book on 12 October 1998 from the International Book Service at Deccan Gymkhana in Pune and love to delve into it from time to time.

The book features a fascinating compilation meaningful oriental Teaching Stories– the psychotherapeutic function of stories is the theme of this book. The author, a physician and psychotherapist, emphasizes the fact that long before the development of modern psychotherapy, stories served as instruments of folk psychotherapy and highlights how stories are effective transmitters of messages. He avers that stories have a lot in common with medication and, like medicines, used at the right time in the right form stories can lead to changes in attitude and behavior, but, given in the wrong dosage, told in an insincere and moralizing way, the application can be dangerous.

You can study, scrutinize and critically analyze this book if you are a serious reader and want to go deep into the subject; or like me, you can enjoy and be illuminated by the lovely teaching stories in the book.

I have read somewhere that Teaching Stories have a special quality – if read in a certain kind of way they enlighten you.

Remember, Dear Reader, that there are three ways to read teaching stories:-

• Read the story once. Then move on to another. This manner of reading will give you entertainment – maybe produce a laugh; like jokes.

• Read the story twice. Reflect on it. Apply it to your life. You will feel enriched.

• Read the story again, after you have reflected on it. Carry the story around in your mind all day and allow its fragrance, its melody to haunt you. Create a silence within you and let the story reveal to you its inner depth and meaning. Let it speak to your heart, not to your brain. This will give you a feel for the mystical and you will develop the art of tasting and feeling the inner meaning of such stories to the point that they transform you.

Let me tell you that a good teaching story has several levels of meaning and interpretation and offers us opportunities to think in new ways.

At first you may just have a good laugh, but as you think and reflect, the significance becomes more and more profound.

Each story veils its knowledge and as you ruminate, the walls of its outer meanings crumble away and the beauty of the previously invisible inner wisdom is revealed, and you begin to identify yourself in the story, and to acknowledge that you too could be as foolish or as lacking in discernment as the characters in these classic tales.

If you read the teaching stories narrated in this book in this way you will most certainly feel the therapeutic effect.

Here is a story called “Fifty Years of Politeness”:

An elderly couple celebrated their golden anniversary…while eating breakfast together, the woman thought, “for fifty years I’ve always been considerate of my husband and have always given him the crusty top of the bread roll. Today I want to finally enjoy this delicacy for myself.”

She spread the top part with butter and gave the other part to her husband.

Contrary to her expectations, he was very pleased, kissed her hand, and said, “My darling, you’ve just given me the greatest joy of the day. For over fifty years I haven’t eaten the bottom part of the bread roll, which is the part I like best. I always thought you should have it because you like it so much.”

I love and cherish this book which has enhanced me in all aspects of my life and browse through the stories quite often; and as I reflect and interpret I feel refreshed, enlightened and wiser.

Whether it is your work, you marriage, you relationships, children, or any situation or facet of your life, there is sure to be an apt story in this book for you which will put you on the path of self-discovery.

I’ll conclude with a quote from this exquisite and unique book:

Occasionally we can’t avoid science, math and erudite discussions which aid development of human consciousness. But occasionally we also need poetry, chess, and stories, so our spirit can find joy and refreshment.

I truly liked this delightfully illuminating book - I am sure you will like it too!


VIKRAM KARVE

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Neural Networks and Artificial Intelligence for Biomedical Engineering

Name of the Book: Neural Networks and Artificial Intelligence for Biomedical Engineering.

Authors: Donna L. Hudson, Maurice E. Cohen

Publication: IEEE Press, New York, 2000

ISBN: 0-7803-3404-3

Pages: 306

‘Neural Networks and Artificial Intelligence for Biomedical Engineering’
[Reviewed by Prachi A Deshmukh]


The advent of technology in the twentieth century has changed the total scenario around us. The fiction stories which we were reading in books have now become the truth, the reality. Robotics and artificial intelligence are some of the examples.

Neural networks and artificial intelligence have created new horizons in the field of medicine and biomedical engineering.

The book ‘Neural Networks and Artificial Intelligence for Biomedical Engineering’ by Donna Hudson and Maurice Cohen is a good guide for those who are working in this field or for the students who are studying neural networks, artificial intelligence or biomedical engineering as a part of their course work.

The book is divided into three parts: The first part covers Basics Neural networks, the second discusses Artificial Intelligence and the third one comprises of Alternative approaches.

Before starting with the neural networks, the authors have introduced us with the basics of biological systems as well as medical and biological data. This makes easy for us to enter in the field.

In part one, there are eight chapters.

All these are related with the neural networks. Chapter one is the foundation of neural networks. This one introduces us with the basic things regarding the neural networks. Starting from the structure of a biological cell and neuron, central nervous system we move towards the early neural models and current models. Second chapter classifies the neural networks. In this chapter we also learn the techniques which are used in biomedical problems. In chapter 3, 4 ad 5 we learn the network structure, feature selection and types of learning. Chapter 4 and 5 are dedicated to supervised learning and unsupervised learning respectively.
Chapter 6 is regarding the design issues. In this we learn the input data types, structure of networks implementation of network structures and the choice of learning algorithms. In chapter 7, we do the comparative analysis. In this chapter we again deal with the supervised and unsupervised learning. In this chapter we also learn the network structures.
The last chapter of part one is chapter no 8: Validation and evaluation. Here we become familiar with some important concepts such as data checking, validation and learning algorithms and evaluation performance.

After going through the first part of the book, we have with ourselves a strong base on neural networks.

In second part we move towards the Artificial Intelligence. Artificial Intelligence is an important field in the history of science and technology.

The second part is divided into 5 chapters.

First chapter of this part is chapter no. 9: ‘Foundations of computer assisted decision making’. Here the authors introduce us with the databases and medical records, mathematical modeling and simulation, pattern recognition, decision theory, symbolic reasoning techniques. Chapter no. 10 and chapter no. 11 are knowledge representation and knowledge acquisition respectively. These two introduce us with the production rules, frames, databases, nets (predicate calculus and semantic nets),learned knowledge, meta knowledge and knowledge base maintenance.
Chapter 12 deals with the reasoning methodologies. Here we learn the problem representations, blind searching, trees-graphs and higher level reasoning methodologies. In chapter 13 we learn the validation and evaluation. Here we learn the algorithmic evaluation, knowledge base evaluation and system evaluation. The part two terminates with the end of chapter no. 13.

In third part there are 6 chapters which are arranged under the name ‘Alternate approaches’.

In chapter 14 we learn about the genetic algorithms. In this chapter we learn about the representation schemes, evaluation functions, genetic operators, evaluation strategies and some biomedical examples.

Chapter 15 and 16 are probabilistic systems and fuzzy systems respectively. In chapter 15: probabilistic systems, we learn about the Bayesian approaches in which we become familiar with the Baye’s rule and Baye’s decision theory, parameter estimation, discriminant analysis, statistical analysis, regression analysis. At the end of the chapter brief information about the medical applications is given.

Chapter no. 16 is related with the Fuzzy systems. Here we get the information of fuzzy logic and fuzzy set theory, representation of fuzzy variables, membership functions, fuzzy neural networks, fuzzy approaches of supervised learning networks, fuzzy generalizations of unsupervised learning methods, reasoning with uncertain information, pre-processing and post processing using fuzzy techniques etc.

At the end we find some applications in biomedical engineering.

In chapter 17 we become familiar with the hybrid systems. Here we learn about the hybrid system approaches, components of the hybrid systems, use of complex data structures, design methodologies etc.

Chapter 18 deals with the ‘HyperMerge’ which is a hybrid expert system. Here we learn about the knowledge based component, neural network component, analysis of time series data, combined system and lastly an application: Diagnosis of Heart Disease.

Chapter 19 is the concluding chapter of this part as well as the book. It is ‘Future Perspectives’. In this chapter different aspects are considered such as the effects of hardware advances, effects of increase in knowledge and the future of software. In this chapter different important parameters are discussed. Computing speed, memory, parallel machines, miniaturization etc. The different effects of increase in knowledge such as information explosion, human genome project, proliferation of databases, communication of information etc are studied. The end of the chapter the authors discuss about the future of the software. Here we discuss about the hybrid systems, parallel systems, non textual data, Neural network models and the artificial intelligence approaches.

This book provides useful guidance for the graduate and undergraduate students who are studying this subject and I strongly commend the book to those interested in this fascinating field.

The Importance of Understanding

UNDERSTANDING LIFE - The Art of Living

By

VIKRAM KARVE


[ Book Review of THE IMPORTANCE OF UNDERSTANDING by LIN YUTANG ]



Whenever I want to unwind and relax, I pick out one of my favorite books from my bookcase, settle down in my easy-chair, put my feet up, and open the book to any random page, or thumb through the pages, and dip into whatever arrests my attention, and as I begin reading I experience a soothing feeling and a calm tranquil sensation of absolute and perfect relaxation. From time to time, I let myself drift off into sweet slumber, and when I come around I begin my relaxed reading again. So the cycle continues till my mind recaptures the harmony it has lost during the hustle and bustle of daily life and my inner self feels soothingly nourished.

The book is called THE IMPORTANCE OF UNDERSTANDING and is compiled by Lin Yutang, who is more famous for his magnum opus THE IMPORTANCE OF LIVING, the classic seminal philosophical masterpiece on The Art of Living. I have written about this classic book in my blog and request you to please read my book review in the preceding blog post. Now about The Importance of Understanding.

I’ve got a hardcover copy of the book, published by Heinemann London in 1961, which I obtained, by a stroke of luck, from a raddiwala a few years ago. The book comprises translations from the Chinese. There are essays, reflections, poems, ancient wit and wisdom, literature, writings on The Art of Living, Enjoyment of Life and Zen, parables, epigrams and proverbs. The writings focus on the simple joys of living and distinction between the practical and the poetic vision of life.

There is wit and subtle humor throughout the book. As a sample of the fantastic wit and wisdom encapsulated in this book, here is a story titled “Prohibition” from the chapter on Ancient Wit and Wisdom.

In the time of the ruler of Shu, Shienchu (third century AD) there was prohibition on wine on account of a drought…There were people who were arrested for having vats and distillery apparatus in their houses, punishable in the same terms as those actually caught making illegal liquor. Chien Yung was driving in the country with the ruler when they saw a young man strolling leisurely.
“Have that man arrested,’ cried Chien Yung.
“What has he done?” asked the ruler in puzzlement.
“He is going to commit adultery.”
“How do you know?”
“He has the organs of adultery, just as those people have their vats.”
The ruler broke out into a loud laugh and ordered that the people arrested for mere possession of vats released.

The meat of the book is the section on “Home and Daily Living” which encompasses a wide range of facets of the art of living and enjoyment of daily life.

I’ll end with an epigram of Yuan Chunglang: Beware of the man who has no hobbies. If he is not sincere in loving what he loves, he is also probably not sincere in hating what he professes to hate.

Dear Reader, first read The Importance of Living and then read The Importance of Understanding. And I’m sure you will see your life from a different perspective.


If you liked this philosophy of life do read my book:

Appetite for a Stroll

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VIKRAM KARVE

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TOOLS AND MODELS FOR MANAGERS

BOOK REVIEW by VIKRAM KARVE


TITLE: The Essential Management Toolbox: Tools, Models and Notes for Managers and Consultants

AUTHOR: Simon Burtonshaw-Gunn

Published by John Wiley and Sons Ltd (England) 2008
ISBN 978-0-470-51837-3


Whenever I am tempted to use a new, fancy, intricate or sophisticated tool, I remind myself of The Law of the Hammer: “Give a child a hammer, and the child will use it on everything encountered.”

Tools can be very useful only if the user knows how and when to use the tool properly. A tool in the hands of an untrained, unqualified, unskilled novice can be a disaster, like a small mischievous child with a hammer in the hands to whom everything will seem like a nail to be hammered!

It’s the same with Management Tools; like all other “tools” Management Tools too are vulnerable to falling victim to the Law of the Hammer.

The Essential Management Toolbox: Tools, Models and Notes for Managers and Consultants by Simon Burtonshaw-Gunn is a fascinating book – comprising a concise yet comprehensive repertoire of theoretical and practical tools, models and techniques extremely valuable in the practice of various facets of management science.

The wide range of tools in this “toolbox”, the breathtaking simplicity of explanation, the superb lucidity of presentation and appealing get-up captivate the reader, facilitate ease of understanding and make it a delightful reading experience.

I commend this book – it is an excellent reference companion for all management professionals and a must for reference libraries; and indeed a valuable addition to your own personal collection.

Do use these “management tools” dear reader, and see their utility and efficacy for yourself; but before you plunge into this wonderful toolbox make sure you have the requisite a priori knowledge – take care not to fall victim to The Law of the Hammer!


Book Review of “The Essential Management Toolbox: Tools, Models and Notes for Managers and Consultants” by Simon Burtonshaw-Gunn

[Reviewed by VIKRAM KARVE]

VIKRAM KARVE

Copyright © Vikram Karve 2009
Vikram Karve has asserted his right under the Copyright, Designs and Patents Act 1988 to be identified as the author of this work.



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EMBEDDED SYSTEM DESIGN - A Useful Book

Book: Embedded System Design - A Unified Hardware / Software Introduction
Authors: Frank Vahid, Tony Givargis
Publication: John Wiley and Sons (Asia) Pte Ltd, Singapore, 2002
ISBN 9971-51-405-2
Pages: 324.

[Reviewed by Prachi A. Deshmukh and Vikram Karve]

Once, there was a conversation going on between three ladies. They were discussing on something very seriously. Each of them was telling her own experience and others were listening to the speaker very carefully. They were neither discussing about some TV serial, nor about the latest fashions. Their topic was regarding cooking. (But they were not discussing culinary recipes!). The three ladies were from three different generations – the first an 80 years old Granny, the second her 56 years old mother and the third the 28 years old daughter. They were discussing how the kitchen has been changed. Conclusion of their discussion was that, now cooking is a task of few minutes. Mixer, food processor, microwave oven, dishwasher etc. are there waiting for your orders!

Not only in kitchen, but everywhere one can see things are becoming easier and simpler. Those who are born after 1980s can experience the changes happening around themselves. Now there is no need to make your hands panic by washing the clothes. Washing machine will do it for you!

Do you want to listen to music of your choice? An MP3 player can store thousands of songs of your choice. If you want to convert your beautiful moments into sweet memories, then digital camera is there for your help.

Are you planning to go for shopping? No need to carry money with you. Credit card will maintain your account.

All these examples look unrelated to each others, but there is some relation in them. ATM, barcode scanner, cell-phone, digital camera, fax machine, home alarm system all are totally different from each others but they do have one thing common in them. All of them are embedded systems. Now the question arises ’What does an embedded system actually mean?’

In simple words, Embedded System is a computing system which does a specifically focused job. It’s nearly any computing system other than a desktop computer. We can not be unaware of it because embedded systems are part of our day to day life. We find them almost everywhere.

That’s why one must study about embedded systems, especially if you are aspiring to be an Electronics, Communications, Computer Engineer or IT Professional. For those who really want to know about embedded systems, a good book to start off with is ‘Embedded System Design- A Unified Hardware/ software Introduction ’ by Frank Vahid and Tony Givargis.

The book is actually an introductory book which makes us familiar with the basics of embedded systems, the hardware for them, the software, peripherals, memory and interfacing. This book is also helpful for those students who are going to take more specialized courses. To understand this book one needs the basic knowledge of electronics, flowcharts and algorithms.

The book shows its usefulness and applications starting from the cover itself. The picture on the cover shows all the applications in our day-to-day life which we find in home as well as outside our homes. A simple picture tells us how important to study the embedded systems.

The content in the book is divided into 11 Chapters. The first chapter introduces us with the basics of embedded systems. We become familiar with the Optimizing Design Metrics, processor technology, IC technology, design technology and trade offs.

In second chapter we learn about custom single purpose processors: Hardware. We learn about the combinational logic, sequential logic, custom single purpose processor design, RT level custom single purpose processor Design and the optimizing custom single purpose processors. If the reader knows about the transistors, logic gates and flowcharts then it will be easier to understand this chapter.

In third chapter the authors introduce us with the General Purpose Processors: Software. Here we learn the basic architecture of the general purpose processor, its operation, developing environment, ASIPs, General Purpose processor Design and about the selection of a processor.

In fourth chapter we study the Peripherals of standard Single-Purpose Processors like Timer, Counters, Watchdog Timers, UART, PWM, LCD controllers, Keypad controllers, Stepper motor controllers, ADC and RTC.

There are different types of memory like ROM, PROM, OTOROM, EPROM, EEPROM, FRAM, RAM, SRAMDRAM, PSRAM NVRAM etc. We learn different types of memories as well as cache memory and MMU in the fifth chapter.

In sixth chapter we study the different types of interfacings to the processors as well as arbitration, multiple Bus architectures and advanced communication principles. Here we come to know about the different types of protocols.

Digital camera is an important and interesting example of embedded systems. In seventh chapter this example is explained very briefly. Here we learn about the requirements as well as the design of an embedded system very detail. Chapter no 8 and 9 are about the state machine and concurrent process models as well as the control systems.

Chapter 10 introduces us with the IC technology. Here we learn about the VLSI IC technology, ASIC IC technology and PLD IC technology. This chapter teaches about the IC technologies briefly.

In last chapter of the book, chapter 11 we learn about the techniques like Automation, Verification, Reuse, Design Process Models. At the end of this chapter we find the book summary. It gives us summary of the entire book in few words.

In appendix A the website is given which includes important information regarding the embedded systems. Also included are chapter wise lab resources. As embedded system is combination of both - hardware and software, it is very important to perform the practical experiments to understand the concepts.

This book is not just a simple basic book but is adequate for a complete course in embedded systems. The authors have maintained a smooth flow throughout the book. The language is easy to understand. One special feature of this edition of the book is that it has been designed specially for the students in developing countries.

An ideal textbook, this book may prove even more useful to understand the importance of embedded systems if some more applications of embedded systems were illustrated. Maybe further editions can be made more attractive by adding the photographs of the examples of embedded systems.

The summary at the end of every chapter give the important part of each chapter in brief. The review questions are helpful to prepare for the subject. The References and further reading are useful for those interested in a more detailed study of the subject.

We feel that this book may be extremely useful for students, engineers, technologists and professionals interested in the fascinating field of Embedded Systems.

Book Review by PRACHI DESHMUKH and VIKRAM KARVE

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INFORMATION TECHNOLOGY SYSTEMS

Book Review by Vikram Karve


Title: Information, Systems and Information Systems – making sense of the field

Authors: Peter Checkland and Sue Howell

John Wiley & Sons (1988)

ISBN 0-471-95820-4

Information Technology [IT] is the buzzword of today.

IT is ubiquitous; today you are connected with IT in some way or the other, and everyone seems to be rushing to join the IT bandwagon.

A few years ago, till the nineteen eighties, there were courses in Electrical, Electronics, Communications and Telecommunications Engineering and later in Computer Science and Engineering, but now there are dedicated courses specifically in Information Technology, and almost all Engineers, and even pure scientists and others, irrespective of their specializations, are rushing to take up jobs in IT and IT Enabled Services.

The Management guys have also joined the fray and added a “management” dimension to IT by offering MBA courses in “IT Management”.

What exactly is IT?

Maybe the phrase Information Technology or “IT” was coined to mark the convergence of two technologies that had been traditionally separate: “Computing” and “Communications” and the confluence of several streams of development including electronics, microelectronics, computer science, telecommunications, software engineering and systems analysis.

There are a large number of books and extensive literature on the content of Information Technology.

This book is a significant treatise on the context of Information Technology.

The principal author Peter Checkland is a pioneering researcher in the field of Systems Engineering and Management and has developed breakthrough concepts like Soft Systems Methodology [SSM] and written the seminal classic “Systems Thinking, Systems Practice”. The co-author Sue Holwell has a rich and varied professional experience in systems design and implementation, information strategy and communication networks.

This book has eight chapters arranged in four parts.

In the first part on “The Field of Information Systems and its Problems” the authors deliberate on the basic concepts pertaining to Information Systems [IS] and Information Technology [IT], distinguish between the “Hard” (objective positivistic scientific) and “Soft” (subjective interpretative) schools of thought in the context of Management Information Systems [MIS], and introduce the reader to the fundamentals of Soft System Methodologies [SSM].

The “meat” of the book is in Part Two whose two chapters elucidate on the application of the developed Information System Management concepts to organizations and describe the “information continuum” – the linkages between data, information and knowledge.

Parts Three and Four of the book substantiate these hypotheses with experiential examples from as early as World War II and drives home the point that the evolution and development of the science of Information Systems [IS] owes nothing to computers which did not exist in 1940, makes it clear that IS is not the same as IT, reminds us that computers are a mere means of IS, and cautions us against falling into the trap of “technological determinism” resulting from the prevalent propensity to overly focus on computer-based IT and allow technology to take charge of our actions.

The book is aptly adorned with simple illustrations which facilitate ease of understanding.

As the dust jacket says, the book is a work of conceptual cleansing and presents a well-argued account of IS and IT which is both holistic and coherent.

I recommend this remarkable book to Information Technology, Engineering and Management Students and Professionals – reading it will certainly enhance their conceptual understanding of Information Systems and Technology.

[Book Review by Vikram Karve]

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A Classic on The Art of Living

Art of Living made Simple

The Classic Manual on Virtue, Happiness, and Effectiveness: Epictetus

[Book Review]


By

Vikram Karve


I have got a wonderful book in my bookcase. It’s called The Art of Living: The Classic Manual on Virtue, Happiness, and Effectiveness, a new interpretation by Sharon Lebell, published by HarperCollins in 1994, ISBN 0-06-251346-X.

This compact book encapsulates in a nutshell the salient teachings of Epictetus, the great Stoic philosopher.

Whenever I buy a book I write my name, the date and place of purchase on the first page. I bought this book from one of my favorite bookstores Gangaram’s Bangalore on 18 August 1999. Those were the glorious days, in the nineties, when I used to visit Bangalore very often. I ensured I stayed somewhere near MG Road, and spend the evenings strolling in the delightful area around MG Road and Brigade Road. A delightful meal of the scrumptious Kerala delicacies like Stew, Appams, Parotta and the Ghee Rice at Imperial on Residency Road, baked delights at Nilgiri, Rosogullas at KC Das and Book Browsing at Gangarams Book Bureau were an absolute must. It’s been six years now, I cherish those memories and hope I get a chance to visit Bangalore soon.

Now let’s have a look at a few gems from this witty and wise book which delves on two basic questions pertaining to the art of living: How do I live a happy, meaningful, fulfilling life?How can I be a good person?

Approach life as a banquet, Epictetus advises. Think of your life as if were a banquet where you would behave graciously. When dishes are passed to you, extend your hand and help yourself to a moderate portion. If a dish should pass you by, enjoy what is already on your plate. Or if a dish hasn’t been passed to you yet, patiently wait your turn… there is no need to yearn, envy, and grab. You will get your rightful portion when it is your time.

Happiness and freedom begin with a clear understanding of one principle: Some things are within our control, and some things are not... and once you learn to distinguish between the two inner tranquility and outer effectiveness become possible.

Events don’t hurt us, only our attitude towards them does. Don’t demand or expect that events happen as you would wish them to. Accept events as they actually happen. That way peace is possible.

Create your own merit. Never depend on the admiration of others. Personal merit cannot be derived from an external source. There is no such thing as vicarious merit.These are a few gems from the book - every page radiates simple implementable wisdom.

Whereas society regards professional achievement, wealth, power, and fame as desirable and admirable, Epictetus views these as incidental and irrelevant to true happiness. What matters most is what sort of life you are living; a life of virtue, caretaking the present moment. Authentic happiness is always independent of external conditions…your happiness can be found within.

This captivating book has had a profound effect on me; my way of thinking and living, and motivated me to delve into the life and works of Epictetus in more detail and it was heartening to see the congruence and harmony of the teachings of Epictetus with Eastern philosophical wisdom and precepts.

I’m glad I bought this splendid book. It cost me only ninety five rupees. Go down to your neighborhood bookstore and browse through it. I’m sure you will love to have a copy in your bookcase. I am sure you will enrich your inner self every time your read this delightful book.


VIKRAM KARVE

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Nano

In his insightful memoirs, War As I Knew It, General George S. Patton, one of history's most charismatic, famous and successful generals, gifted us an priceless gem of his human resource management wisdom: “Never tell people how to do things. Tell them what to do and they will surprise you with their ingenuity”.

Ever since I read this illuminating book more than thirty years ago, I have followed this adage with great success in my multifarious avatars as a Human Resource Manager, a Project Manager, a Design Engineer, a Teacher and a Mentor.

A few days ago, a young lady, Prachi A Deshmukh, a fresh engineering graduate, joined our department as a research fellow; and I gave her a book from my bookcase, told her to review it and email me her book review by the end of the day. [As per my style, I just curtly told her what to do, not how to do it].

When I opened my email early next morning, the book review was there, waiting for me, and yes, Prachi Deshmukh had indeed surprised me with her ingenuity. I am truly proud of my young colleague and mentee.

A delight to read, written in a refreshingly youthful vibrant style, breathtaking in its simplicity, I liked the book review so much that I am placing it below as it is, with minimal editing, for you to read. We look forward to your comments and feedback; do tell us if you enjoyed reading the review, and the book.

Name of the book: Nano: The Essentials – Understanding Nanoscience and Nanotechnology
Author: T. Pradeep
Publication: Tata McGraw-Hill, 2008
ISBN-13: 978-0-07-061788-9
ISBN-10: 0-07-061788-0

[Reviewed by Prachi A. Deshmukh]

At the root of every invention, there is a seed of a thought which was unbelievable at that time. Yesterday’s dream is today’s truth; yesterday’s imagination is today’s reality. Let us take an example of ATM. Today we use ATM as if its ‘Any Time Money’ machine; but if we had told about this to somebody in the last century, he might had thought that we have gone mad! The same thing happened in December 1959, when Richard Feynman gave an after dinner speech at the annual meeting of the ‘American Physical Society’. He took the audience in the amazing world of his imagination. He was telling about the future where everything will be so small that there will be machines smaller than the tip of a needle. People were laughing, enjoying his ideas but no one knew the real meaning of his words-“There is plenty of room at the bottom.” Feynman is now credited for his great foresight which made him the first prophet of nanotechnology.

21st century is the era of great revolution in technology. Information Technology, Bio Technology and Nano Technology are some of the great windows which have tremendous capabilities to change the world around us. Especially Nanotechnology is a promising field in the near future which will provide us with many breakthroughs in a wide range of applications. It has been predicted that by the year 2015 the market share of nanotechnology and nanoscience will be worth 350 billion dollars. This calls for new investments in human resource development. These people must have strong foundation to build strong building. For those who are interested in this new technology, the book ‘Nano: The Essentials’ will prove to be a true guide.

The author of this book- Prof. T. Pradeep is with the IIT – Madras [Chennai]. Being a professor, he has structured this book so nicely that the reader gets his concepts clear right from the beginning. Starting from the preface we get more and more interest in this amazing world of nanotechnology and nanoscience.

The content of the book is well organized into five parts. In the first introductory part the author takes us in the world of nanotechnology with its relation with the nature. This part is enriched with the details of the technological inventions of 20th and 21st century.

In second part, we move towards the experimental methods. The author introduces us with the different types of microscopies . The neat diagrams, graphs and pictures in this part make it easier to understand the different experimental methods.

In the third part, we enter into the world of fullerenes, carbon nanotubes, gas phase clusters, nanoshells etc. In this section also, author addresses us with his simple language. There are sufficient diagrams and graphs to understand the concept properly.

In fourth part we become familiar with nanobiology, nanosensors, nanomedicines , nanotribiology and molecular nanomachines.

Whenever some new technology comes into picture it’s the duty of every conscientious technologist to study the societal implications of it. In the fifth part we go through the relationship between nanotechnology and the society.

The most appreciable thing in this book is I think the ‘History of nanoscience and nanotechnology’ which tells us about all the important events in the development of Nanotechnology. Hats off to the author for this effort. The glossary of nanoterms at the end of this book summarizes all the important terms used throughout the book.

The author has given the references and additional related reading books at the end of every chapter for the keen readers to know more about the things.

In simple words, the book ‘Nano: The Essentials’ is really essential for those who are keen to know about nanotechnology and nanoscience . With his simple language the author has maintained the flow throughout the book. There are plenty of diagrams, graphs, tables and pictures which make the study more meaningful. If you are really serious about nanotechnology, then I will insist you to have a copy of this book. It’s easier for understanding if you have enough base of science and technology. I recommend this book to students, engineers, teachers and technologists who are willing to enter in this amazing world of nanotechnology and nanoscience.

Book Review Blog Vikram Karve

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ELECTROMAGNETIC COMPATIBILTY REFERENCE BOOK

A Comprehensive Reference Book for IT, Electronic, Telecom and Electrical Engineering and Design Professionals


Title: EMC for Product Designers
Author: Tim Williams
Elsevier [Fourth Edition, 2007] 498 pages
ISBN – 13: 978-0-75-068170-4
ISBN – 10: 0-750-68170-5



Most of us consider a number of factors, exoteric and esoteric, while designing [or selecting] our homes and in the configuration of the numerous modern technological devices and domestic appliances, most of them electrical and electronic, therein.

Recently I saw a programme on TV where a Vastu Shastra expert was advising viewers not only regarding the various aspects of designing and building living environments that are in harmony with the physical and metaphysical forces but also specifying optimal locations and layouts for various electrical and electronic appliances and devices in both residential homes and workplaces.

I listened with intriguing interest as he gave precise directions and specified exact locations for positioning of Televisions, Computers, Communication Devices, Microwave Ovens, Music systems and other appliances, and fascinated by the congruence between principles and aspects of Vastu and Electromagnetic Compatibility [EMC] and wondered whether the expert in reality was actually an EMC Design Engineer in addition to being a Vastu Shastra Specialist.

When you design or select or configure your house or office I am sure you consider various aesthetic, architectural, financial, utilitarian, geographical, interior and exterior design and other practical aspects, maybe even incorporate the principles of Vastu Shastra and Feng Shui, but do you give even a fleeting thought to EMC?

In today’s world with the increasing use of electrical, communication, electronic and information technologies we are under continual exposure to Electromagnetic Field [ EMFs ], both inside and outside our homes, in our workplaces and even in the open wherever we go, radiating from radiating from electricity power lines, household wiring, microwave ovens, computers, monitors, televisions, communication devices, cellular phones, electrical, electronic and IT appliances.

“Electro-pollution” is an increasingly serious form of Environment Pollution and merits serious consideration, as much as, if not more than, other well-known forms of pollution.

Electro-pollution seems to be omnipresent. Apart from hazards to our health, Electromagnetic Interference [EMI] is detrimental to the proper functioning of most electrical, electronic, IT, ITES, communication and technology-based systems and may cause malfunctions and even potentially disastrous and fatal accidents.

The book being reviewed – EMC for Product Designers by Tim Williams – is one of the most comprehensive reference books I have read on the subject of the Design Management aspects of Electromagnetic Interference and Electromagnetic Compatibility [EMI / EMC].

The book comprises sixteen chapters arranged in three parts [Legislation and Standards, Testing and Design] the author lucidly covers most micro and macro aspects of EMC Management in meticulous detail.

The logical sequence of topics, clear diagrams, tables and illustrations facilitate easy understanding of this complicated subject.

The Design Checklist, interesting Case Studies and useful mathematical formulae in the appendices and the extensive bibliography add value to this reference book.

Whilst the earlier chapters provide an excellent understanding of the EMC Standards and the basic theoretical principles of EMI / EMC, the “meat” of the book lies in the chapters on Systems EMC and EMC Management which encapsulate all relevant facets of EMC in a holistic manner.

I wish the author had included a detailed chapter on Electromagnetic Health Hazards and mitigation techniques. This most vital topic concerning all of us humans seems to have not been accorded the due importance it deserves and I hope the author presents a more holistic and systemic view of EMC and includes a comprehensive chapter on pertinent aspects of Bio-electromagnetics, Thermal and Athermal EMR Hazards and their mitigation in the next edition.

I commend this book – it is an excellent reference book for Electrical, Electronic, Telecommunication and IT Engineers and Managers, Designers, Students, practising professionals in the field and, with the increasing awareness and compliance requirements of EMC Standards worldwide, this book will prove a valuable addition to the shelnves of engineering and technical libraries.



[EMC for Product Designers - Book Review by VIKRAM KARVE]


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