Steven T. Karris - Signals and Systems with MATLAB Computing and Simulink Modeling.pdf - MATLAB - Farmerek_

Signals and Systems

with MATLAB ® Computing

and Simulink ® Modeling

Fourth Edition

Steven T. Karris

Includes

step-by-step

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procedures

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for designing

analog and

digital filters

Orchard Publications

www.orchardpublications.com

Signals and Systems

with MATLAB  Computing

and Simulink  Modeling

Fourth Edition

Steven T. Karris

Orchard Publications

www.orchardpublications.com

Signals and Systems with MATLAB ® Computing and Simulink Modeling ® , Fourth Edition

publication may be reproduced or distributed in any form or by any means, or stored in a data base or retrieval system,

without the prior written permission of the publisher.

Direct all inquiries to Orchard Publications, info@orchardpublications.com

Product and corporate names are trademarks or registered trademarks of the Microsoft™ Corporation and The

MathWorks™ Inc. They are used only for identification and explanation, without intent to infringe.

Library of Congress Cataloging-in-Publication Data

Catalog record is available from the Library of Congress

Library of Congress Control Number: 2008927083

ISBN − 13: 978 − 1 − 934404 − 12 − 6

ISBN − 10: 1 − 934404 − 12 − 8

Preface

This text contains a comprehensive discussion on continuous and discrete time signals and

systems with many MATLAB® and several Simulink® examples. It is written for junior and

senior electrical and computer engineering students, and for self − study by working professionals.

The prerequisites are a basic course in differential and integral calculus, and basic electric circuit

theory.

This book can be used in a two − quarter, or one semester course. This author has taught the

subject material for many years and was able to cover all material in 16 weeks, with 2½ lecture

hours per week.

To get the most out of this text, it is highly recommended that Appendix A is thoroughly

reviewed. This appendix serves as an introduction to MATLAB, and is intended for those who

are not familiar with it. The Student Edition of MATLAB is an inexpensive, and yet a very

powerful software package; it can be found in many college bookstores, or can be obtained directly

from

The MathWorks™ Inc., 3 Apple Hill Drive, Natick, MA 01760 − 2098

Phone: 508 647 − 7000, Fax: 508 647 − 7001

http://www.mathworks.com

e − mail: info@mathworks.com

The elementary signals are reviewed in Chapter 1, and several examples are given. The purpose of

this chapter is to enable the reader to express any waveform in terms of the unit step function, and

subsequently the derivation of the Laplace transform of it. Chapters 2 through 4 are devoted to

Laplace transformation and circuit analysis using this transform. Chapter 5 is an introduction to

state − space and contains many illustrative examples. Chapter 6 discusses the impulse response.

Chapters 7 and 8 are devoted to Fourier series and transform respectively. Chapter 9 introduces

discrete − time signals and the Z transform. Considerable time was spent on Chapter 10 to present

the Discrete Fourier transform and FFT with the simplest possible explanations. Chapter 11

contains a thorough discussion to analog and digital filters analysis and design procedures. As

mentioned above, Appendix A is an introduction to MATLAB. Appendix B is an introduction to

Simulink, Appendix C contains a review of complex numbers, and Appendix D is an introduction

to matrix theory.

New to the Second Edition

This is an extensive revision of the first edition. The most notable change is the inclusion of the

solutions to all exercises at the end of each chapter. It is in response to many readers who

expressed a desire to obtain the solutions in order to check their solutions to those of the author

and thereby enhancing their knowledge. Another reason is that this text is written also for self −

study by practicing engineers who need a review before taking more advanced courses such as

digital image processing.

Another major change is the addition of a rather comprehensive summary at the end of each

chapter. Hopefully, this will be a valuable aid to instructors for preparation of view foils for

presenting the material to their class.

New to the Third Edition

The most notable change is the inclusion of Simulink modeling examples. The pages where they

appear can be found in the Table of Contents section of this text. Another change is the

improvement of the plots generated by the latest revisions of the MATLAB® Student Version,

Release 14.

The author wishes to express his gratitude to the staff of The MathWorks™, the developers of

MATLAB and Simulink, especially to Ms. Courtney Esposito, for the encouragement and

unlimited support they have provided me with during the production of this text.

Our heartfelt thanks also to Ms. Sally Wright, P.E., of Renewable Energy Research Laboratory

University of Massachusetts, Amherst, for bringing some errors on the previous editions to our

attention.

New to the Fourth Edition

The most notable change is the inclusion of Appendix E on window functions. The plots were

generated generated with the latest revisions of the MATLAB® R2008a edition. Also, two end-

of- chapter exercises were added in Chapter 10 to illustrate the use of the fft and ifft MATLAB

functions

The author wishes to express his gratitude to the staff of The MathWorks™, the developers of

MATLAB and Simulink, especially to The MathWorks™ Book Program Team, for the

encouragement and unlimited support they have provided me with during the production of this

and all other texts by this publisher.

Orchard Publications

www.orchardpublications.com

info@orchardpublications.com

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