Fourier Transforms: Principles and Applications

Fourier Transforms: Principles and Applications

By: Eric W. Hansen (author)Hardback

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Description

Fourier Transforms: Principles and Applications explains transform methods and their applications to electrical systems from circuits, antennas, and signal processors ably guiding readers from vector space concepts through the Discrete Fourier Transform (DFT), Fourier series, and Fourier transform to other related transform methods. Featuring chapter end summaries of key results, over two hundred examples and four hundred homework problems, and a Solutions Manual this book is perfect for graduate students in signal processing and communications as well as practicing engineers. * Class-tested at Dartmouth * Provides the same solid background as classic texts in the field, but with an emphasis on digital and other contemporary applications to signal and image processing * Modular coverage of material allows for topics to be covered by preference * MATLAB files and Solutions Manual available to instructors * Over 300 figures, 200 worked examples, and 432 homework problems

About Author

Eric W. Hansen, PhD , received his MS and PhD in Electrical Engineering from Stanford University. He is a member of IEEE, OSA, and the ASEE. Dr Hansen has been on the Dartmouth faculty since 1979, and received the Excellence in Teaching Award from the Thayer School of Engineering.

Contents

PREFACE xi CHAPTER 1 REVIEW OF PREREQUISITE MATHEMATICS 1 1.1 Common Notation 1 1.2 Vectors in Space 3 1.3 Complex Numbers 8 1.4 Matrix Algebra 11 1.5 Mappings and Functions 15 1.6 Sinusoidal Functions 20 1.7 Complex Exponentials 22 1.8 Geometric Series 24 1.9 Results from Calculus 25 1.10 Top 10 Ways to Avoid Errors in Calculations 33 Problems 33 CHAPTER 2 VECTOR SPACES 36 2.1 Signals and Vector Spaces 37 2.2 Finite-dimensional Vector Spaces 39 2.3 Infinite-dimensional Vector Spaces 64 2.4 Operators 86 2.5 Creating Orthonormal Bases the Gram Schmidt Process 94 2.6 Summary 99 Problems 101 CHAPTER 3 THE DISCRETE FOURIER TRANSFORM 109 3.1 Sinusoidal Sequences 109 3.2 The Discrete Fourier Transform 114 3.3 Interpreting the DFT 117 3.4 DFT Properties and Theorems 126 3.5 Fast Fourier Transform 152 3.6 Discrete Cosine Transform 156 3.7 Summary 164 Problems 165 CHAPTER 4 THE FOURIER SERIES 177 4.1 Sinusoids and Physical Systems 178 4.2 Definitions and Interpretation 178 4.3 Convergence of the Fourier Series 187 4.4 Fourier Series Properties and Theorems 199 4.5 The Heat Equation 215 4.6 The Vibrating String 223 4.7 Antenna Arrays 227 4.8 Computing the Fourier Series 233 4.9 Discrete Time Fourier Transform 238 4.10 Summary 256 Problems 259 CHAPTER 5 THE FOURIER TRANSFORM 273 5.1 From Fourier Series to Fourier Transform 274 5.2 Basic Properties and Some Examples 276 5.3 Fourier Transform Theorems 281 5.4 Interpreting the Fourier Transform 299 5.5 Convolution 300 5.6 More about the Fourier Transform 310 5.7 Time bandwidth Relationships 318 5.8 Computing the Fourier Transform 322 5.9 Time frequency Transforms 336 5.10 Summary 349 Problems 351 CHAPTER 6 GENERALIZED FUNCTIONS 367 6.1 Impulsive Signals and Spectra 367 6.2 The Delta Function in a Nutshell 371 6.3 Generalized Functions 382 6.4 Generalized Fourier Transform 404 6.5 Sampling Theory and Fourier Series 414 6.6 Unifying the Fourier Family 429 6.7 Summary 433 Problems 436 CHAPTER 7 COMPLEX FUNCTION THEORY 454 7.1 Complex Functions and Their Visualization 455 7.2 Differentiation 460 7.3 Analytic Functions 466 7.4 exp z and Functions Derived from It 470 7.5 Log z and Functions Derived from It 472 7.6 Summary 489 Problems 490 CHAPTER 8 COMPLEX INTEGRATION 494 8.1 Line Integrals in the Plane 494 8.2 The Basic Complex Integral: zndz 497 8.3 Cauchy s Integral Theorem 502 8.4 Cauchy s Integral Formula 512 8.5 Laurent Series and Residues 520 8.6 Using Contour Integration to Calculate Integrals of Real Functions 531 8.7 Complex Integration and the Fourier Transform 543 8.8 Summary 556 Problems 557 CHAPTER 9 LAPLACE, Z, AND HILBERT TRANSFORMS 563 9.1 The Laplace Transform 563 9.2 The Z Transform 607 9.3 The Hilbert Transform 629 9.4 Summary 652 Problems 654 CHAPTER 10 FOURIER TRANSFORMS IN TWO AND THREE DIMENSIONS 669 10.1 Two-Dimensional Fourier Transform 669 10.2 Fourier Transforms in Polar Coordinates 684 10.3 Wave Propagation 696 10.4 Image Formation and Processing 709 10.5 Fourier Transform of a Lattice 722 10.6 Discrete Multidimensional Fourier Transforms 731 10.7 Summary 736 Problems 737 BIBLIOGRAPHY 743 INDEX 747

Product Details

  • ISBN13: 9781118479148
  • Format: Hardback
  • Number Of Pages: 776
  • ID: 9781118479148
  • weight: 1162
  • ISBN10: 1118479149

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