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Analog Communications Problems and Solutions

Analog Communications

Kasturi Vasudevan

Analog Communications Problems and Solutions

123

Kasturi Vasudevan Electrical Engineering Indian Institute of Technology Kanpur Kanpur, Uttar Pradesh, India

ISBN 978-3-030-50336-9 ISBN 978-3-030-50337-6 https://doi.org/10.1007/978-3-030-50337-6

(eBook)

Jointly published with ANE Books Pvt. Ltd. In addition to this printed edition, there is a local printed edition of this work available via Ane Books in South Asia (India, Pakistan, Sri Lanka, Bangladesh, Nepal and Bhutan) and Africa (all countries in the African subcontinent). ISBN of the Co-Publisher’s edition: 9789386761811 © The Editor(s) (if applicable) and The Author(s), under exclusive license to Springer Nature Switzerland AG 2021 This work is subject to copyright. All rights are solely and exclusively licensed by the Publisher, whether the whole or part of the material is concerned, specifically the rights of translation, reprinting, reuse of illustrations, recitation, broadcasting, reproduction on microfilms or in any other physical way, and transmission or information storage and retrieval, electronic adaptation, computer software, or by similar or dissimilar methodology now known or hereafter developed. The use of general descriptive names, registered names, trademarks, service marks, etc. in this publication does not imply, even in the absence of a specific statement, that such names are exempt from the relevant protective laws and regulations and therefore free for general use. The publishers, the authors, and the editors are safe to assume that the advice and information in this book are believed to be true and accurate at the date of publication. Neither the publishers nor the authors or the editors give a warranty, express or implied, with respect to the material contained herein or for any errors or omissions that may have been made. The publishers remain neutral with regard to jurisdictional claims in published maps and institutional affiliations. This Springer imprint is published by the registered company Springer Nature Switzerland AG The registered company address is: Gewerbestrasse 11, 6330 Cham, Switzerland

To my family

Preface

Analog Communications: Problems and Solutions is suitable for third-year undergraduates taking a first course in communications. Although most of the present-day communication systems are digital, they continue to use many basic concepts like Fourier transform, Hilbert transform, modulation, synchronization, signal-to-noise ratio analysis, and so on that have roots in analog communications. The book is richly illustrated with figures and easy to read. Chapter 1 covers some of the basic concepts like the Fourier and Hilbert transforms, Fourier series, and the canonical representation of bandpass signals. Random variables and random processes are covered in Chap. 2. Amplitude modulation (AM), envelope detection, Costas loop, squaring loop, single sideband modulation, vestigial sideband modulation, and quadrature amplitude modul