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Sonar for Practising Engineers 3e (Electrical & Electronics Engr) Paperback – 27 Mar 2002


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Product details

  • Paperback: 324 pages
  • Publisher: John Wiley & Sons; 3rd Edition edition (27 Mar 2002)
  • Language: English
  • ISBN-10: 0471497509
  • ISBN-13: 978-0471497509
  • Product Dimensions: 17.1 x 2 x 24.6 cm
  • Average Customer Review: 4.0 out of 5 stars  See all reviews (4 customer reviews)
  • Amazon Bestsellers Rank: 772,051 in Books (See Top 100 in Books)
  • See Complete Table of Contents

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Product Description

From the Author

¡§SONAR FOR PRACTISING ENGINEERS¡¨

THE TITLE TELLS IT ALL!

When I began my career in sonar in 1950 (in the UK we still called it asdics) I was invited to sit down in an office and study a weighty tome on underwater sound: An enthusiastic 20 year old, with a keen interest in communications and electronics, this rapidly palled and I searched for something with an engineering approach more relevant to the practical problems facing me.

This is the book that I sought in vain.

As a practising engineer with over half a century of experience in the field, I have written this book with the needs of engineers firmly in mind. I have taken an engineering rather than a physics/mathematics approach to develop both the fundamentals of underwater sound and the techniques used by sonar to exploit it. My aims are to provide practical guidance and help with the real problems encountered by sonar engineers and students.

The earlier editions were produced to be supplied as back-up material to a short sonar course presented by me. This (third) edition has been extensively rewritten to facilitate its use by an individual reader. New topics include:

- Echo sounding and side-scan sonars for civil applications
- Communications sonars
- Low frequency active sonars

Many chapters contain worked examples and most chapters conclude with a few problems for the reader to solve; solutions are given at the end of the book. I hope that this feature will prove particularly useful to lecturers and students.

The book can be divided into three parts:

ƒ{ EQUIPMENT PARAMETERS: this part briefly describes the motion of sound in an elastic medium, defines sound intensity and source level, explains the use of projector arrays to increase the source level, and looks at the use of hydrophone arrays to improve the signal to noise ratio of a wanted sound.

ƒ{ PROPAGATION IN THE SEA AND BACKGROUNDS TO DETECTION: this part considers spreading and absorption losses, propagation modes and simple modelling, noise and reverberation; it concludes with the basic sonar equations.

ƒ{ PRACTICAL SONAR SYSTEMS: this part develops passive and active sonar systems; it looks at passive broadband, narrowband, intercept and communications sonars; and it considers active sonars for the detection of submarines, mines and torpedoes.

Finally, a little about myself: I retired from the UK Ministry of Defence in 1990 after 40 years of underwater research at Portland. I then joined Thomson Marconi Sonar (now Thales Underwater Systems Limited) as a sonar consultant for a further 10 years. I remain dedicated to the advancement of sonar and will always welcome dialogue with interested readers.

From the Back Cover

The aims of the book – written by a practising engineer for practising engineers – are to provide an understanding of the basic principles of sonar and, to develop formulae and "rules of thumb" for sonar design and performance analysis. Ashley Waite uses his long experience in the design, trials and performance analysis of sonar systems to provide practical guidance and solutions to problems encountered by sonar engineers and technicians. The books divides into the following parts: ∗ Equipment parameters: the motion of sound in an elastic medium; definitions of sound intensity and source level; the use of projector arrays to increase the source level; the use of hydrophone arrays to improve the signal to noise ratio of a wanted sound. ∗ The propagation of sound in the sea and the backgrounds to detection: spreading and absorption losses; propagation modes and simple modelling; noise and reverberation; the sonar equations ∗ Practical sonar systems: passive and active sonar systems; passive broadband, narrowband, intercept and communications (as a special case of intercept) sonars; active sonars for the detection of submarines, mines and torpedoes. Sonar for Practising Engineers, third edition, covers all aspects of sonar systems and has extensive worked examples. No prior knowledge of sonar is assumed and the physical principles and mathematics will be readily understood by engineers, technicians and students of underwater acoustics. New to this edition, are end–of–chapter exercises and solutions for self assessment and training.

Inside This Book (Learn More)
First Sentence
Sound is produced when an object vibrates and communicates its motion to the surrounding medium (Figure 1.1). Read the first page
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Front Cover | Copyright | Table of Contents | Excerpt | Index | Back Cover
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Most Helpful Customer Reviews

3 of 3 people found the following review helpful By Phil Rogers on 25 Aug 2003
Format: Paperback
This book really is written for practicing engineers. Although the author does explain a lot of the terms used in sonar, the book is not recommended for the absolute beginner.
Before reading this book, make sure you have a reasonable grasp of mathematics and physics, because the equations start on page 2.
As a software engineer given the task of integrating a beamforming algorithm into a sonar system, this book was very helpful in explaining exactly what I was trying to achieve.
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1 of 1 people found the following review helpful By Rumplestiltskin on 13 Jan 2007
Format: Paperback
If you are an engineering degree student, then you should find this book a nice 1st-year-level intro into Sonar.

I haven't read it all, but what I have read is very clear, and readable.

Lots of formulae and steps in equations; plenty of diagrammes and graphs.

It's pretty decent as far as academic books go.

If I was to suggest anything, it would be to add some electronic circuit diagrammes to build and test some sonar equipment; and some exploration of testing procedure for rudimentary passive and active sonar systems.

People who are going to buy this book are likely to be interested in robotic submarines; and in building something for an academic engineering project.

A CD might be worth considering with interactive Flash or Java-style animations for consolidating knowledge, like what you get on mathsnet.net or s-cool.co.uk.

Perhaps a little section at the end discussing applications, and on cetacean sonar.

At the moment this is the only book you can get on the subject; fortunately it's generally a pretty good one.
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Format: Paperback Verified Purchase
For a practicing engineer who wants to gain a basic understanding of sonar this book is about the only choice you have. The sonar domain expert at work was rather scathing in his criticism of this book but for me personally it did exactly what it said on the tin. The only better book for the practicing engineer starting out in the sonar world would be Richard Hodges Underwater Acoustics, but that retails at more than twice the price.
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By Maddy L on 7 Dec 2012
Format: Paperback Verified Purchase
I needed a text for students which reflected the gritty realities of sonar. This book is by an engineered well steeped in practice and serves very well.
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Most Helpful Customer Reviews on Amazon.com (beta)

Amazon.com: 6 reviews
23 of 23 people found the following review helpful
A compulsary read for anyone working with sonar 5 Mar 2003
By A Customer - Published on Amazon.com
Format: Paperback
There are many myths regarding sonar, in both civilian and military applications. The perhaps best known ones are provided by Tom Clancy in his book/movie "The Hunt for Red October". While sonarman Jones and his $40 million computer make great additions to that story, they have little to do with reality.
This book, on the other hand, has everything to do with reality. It describes the working principles of sonar in as simple terms as possible. The explanations and mathematics are kept on a level where any electrical engineer can follow it, and the material is still general enough so that even renowned researchers on underwater acoustics can learn from it.
To me, one of the greatest assets with this book is that it so clearly shows
- what real-life sonars do
- how they do it
- why they do it like that
- what problems are encountered
This is information that is hard to come by elsewhere, and give rise to all sorts of speculations when lacking. The book is as relevant to navy sonars as civilian ones.
3 of 3 people found the following review helpful
Excellent for beginners in sonar 27 Jun 2009
By Amazon Customer - Published on Amazon.com
Format: Paperback Verified Purchase
This might not be the premier book on Sonar, but it's the best I've found for beginners in the field. It's simple and to the point, and doesn't use long, drawn out mathematical explanations of the forces at work. That makes it perfect for people trying to understand the basic concepts. However, it's not the most useful desk reference, because sometimes the mathematical explanations and models in books like Urick are needed. This book provides the basis for even understanding what those models are trying to explain.

Highly recommended.
1 of 1 people found the following review helpful
Good Desk Reference 30 Aug 2013
By Ray Cooke - Published on Amazon.com
Format: Paperback Verified Purchase
Excellent desk reference for needed formulas and acoustic principles review. This book is a great addition to the library of any engineer working in underwater acoustics.
Right up my alley...Great book... 12 Sep 2011
By dewyz1100 - Published on Amazon.com
Format: Paperback Verified Purchase
Just what the title implies...

This book goes into good detail, and even covers much of the math equations involved, but is geared very much towards practical applications...

Worth reading!
Three Stars 23 Aug 2014
By Munir Mehsen - Published on Amazon.com
Format: Paperback Verified Purchase
It's ok!!!
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