数字信号处理-基于计算机的方法(英文改编版)(第三版)

本书特色

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本书是在数字信号领域的经典教材Digital Signal Processing: A Computer-Based Approach（第三版）的基础上改编而成的，内容涵盖信号与信号处理、时域中的离散时间信号与系统、变换域中的离散时间信号、变换域中的LTI离散时间系统、连续时间信号的数字处理、数字滤波器的结构与设计等方面。本书的特点是在讲解上述内容的同时，给出了MATLAB程序验证，并有大量的高质量的习题和仿真作业。.

本书可作为高等院校电子信息类专业本科生或低年级研究生的教材，也可供有关技术、科研管理人员使用，或作为继续教育的参考书。…

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内容简介

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本书是在数字信号领域的经典教材Digital Signal Processing-A Computer Based Approach，（第三版）的基础上改编而成，内容涵盖了信号与信号处理、时域中的离散时间信号和系统、变换域中的离散时间信号、变换域中的LTI离散时间系统、连续时间信号的数字处理、数字滤波器的结构与设计等方面。本书的特点在于讲解上述内容的同时，给出了MATLAB程序验证，并有大量的高质量的习题和仿真作业。
本书可作为高等院校电子信息类专业本科生或低年级研究生的教材，尤其适用于双语教学，也可供有关技术、科研管理人员使用，或作为继续教育的参考书。

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目录

1 Signals and Signal Processing 1
1.1 Characterization and Classification of Signals 1
1.2 Typical Signal Processing Operations 3
1.2.1 Simple Time-Domain Operations 3
1.2.2 Filtering 4
1.2.3 Multiplexing and Demultiplexing 6
1.2.4 Signal Generation 6
1.3 Examples of Typical Signals 7
1.4 Typical Signal Processing Applications 11
1.4.1 Sound Recording Applications 11
1.4.2 Musical Sound Synthesis 19
1.4.3 Echo Cancellation in Telephone Networks 21
1.5 Why Digital Signal Processing? 23
2 Discrete-Time Signals and Systems 27
2.1 Discrete-Time Signals 27
2.1.1 Time-Domain Representation 28
2.1.2 Operations on Sequences 31
2.1.3 Classification of Sequences 37
2.2 Typical Sequences and Sequence Representation 41
2.2.1 Some Basic Sequences 41
2.2.2 Sequences Generation Using MATLAB 49
2.2.3 Representation of an Arbitrary Sequences 49
2.3 Discrete-Time Systems 50
2.3.1 Discrete-Time System Examples 50
2.3.2 Classification of Discrete-Time System 56
2.3.3 Impulse and Step Responses 59
2.4 Time-Domain Characterization of LTI Discrete-Time Systems 60
2.4.1 Input-Output Relationship 60
2.4.2 Stability Condition in Terms of the Impulse Response 65
2.4.3 Causality Condition in Terms of the Impulse Response 67
2.4.4 Linear Constant Cofficient Difference Equation 67
2.5 Classification of LTI Discrete-Time Systems 68
2.5.1 Classification Based on Impulse Response Length 68
2.5.2 Classification Based on the Output Calculation Process 69
2.5.3 Classification Based on the Impulse Response Coefficients 70
2.6 Summary 70
2.7 Problems 70
2.8 MATLAB Exercises 74
Discrete-Time Fourier Transform 76
3.1 The Continuous-Time Fourier Transform 76
3.1.1 The Definition 76
3.1.2 Energy Density Spectrum 79
3.1.3 Band-limited Continuous-Time Signals 80
3.1.4 The Frequency Response of an LTI Continuous-Time System 80
3.2 The Discrete-Time Fourier Transform 81
3.2.1 Definition 81
3.2.2 Basic Properties 83
3.2.3 Symmetry Relations 84
3.2.4 Convergence Condition 89
3.2.5 Norm of a Discrete-Time Fourier Transform 94
3.3 Discrete-Time Fourier Transform Theorems 95
3.4 DTFT Computation Using MATLAB 100
3.5 The Unwrapped Phase Function 101
3.6 The Frequency Response of an LTI Discrete-Time System 103
3.6.1 Definition 103
3.6.2 Frequency-Domain Characterization of the LTI Discrete-Time System 105
3.6.3 Frequency Responses of LTI Discrete-Time Systems 106
3.6.4 Frequency Responses Computation Using MATLAB 107
3.6.5 The Concept of Filtering 108
3.7 Phase and Group Delays 110
3.7.1 Definition 111
3.7.2 Phase and Group Delay computation Using MATLAB 113
3.8 Summary 114
3.9 Problems 115
3.10 MATLAB Exercises 121
Digital Processing of Continuous-Time Signals 122
4.1 Introduction 122
4.2 sampling of Continuous-Time Signals 123
4.2.1 The Sampling Process 123
4.2.2 Effect of Sampling in the Frequency-Domain 126
4.2.3 Recovery of the Analog Signal 135
4.2.4 Implications of the Sampling Process 136
4.3 Sampling of Bandpass Signals 139
4.4 Analog Lowpass Filter Design 141
4.4.1 Filter Specifications 141
4.4.2 Butterworth Approximation 143
4.4.3 Chebyshev Approximation 145
4.4.4 Elliptic Approximation 148
4.4.5 Linear-Phase Approximation 149
4.4.6 Analog Filter Design Using MATLAB 149
4.4.7 A Comparison of the Filter Types 156
4.5 Design of Analog Highpass Filters 157
4.6 Anti-Aliasing Filter Design 160
4.7 Reconstruction Filter Design 162
4.8 Summary 165
4.9 Problems 166
4.10 MATLAB Exercises 169
Finite-Length Discrete Transforms 170
5.1 Orthogonal Transforms 170
5.2 The Discrete Fourier Transform 171
5.2.1 Definition 172
5.2.2 Mat

封面

书名:数字信号处理-基于计算机的方法(英文改编版)(第三版)

作者:(美)米特拉

页数:489

定价:¥45.0

出版社:电子工业出版社

出版日期:2006-03-01

ISBN:9787121023675

PDF电子书大小:31MB 高清扫描完整版