基本信息
书名:数字信号处理(英文版)
定价:39.80元
售价:27.1元,便宜12.7元,折扣68
作者:蔡坤宝著
出版社:电子工业出版社
出版日期:2007-08-01
ISBN:9787121047633
字数:
页码:
版次:1
装帧:平装
开本:
商品重量:0.640kg
编辑推荐
内容提要
本书系统地阐述了数字信号处理所涉及的信号与系统分析和系统设计的基本理论、基本分析与设计方法、基本算法和处理技术。全书共10章,主要内容包括:离散时间信号与系统的基本概念,离散时间信号与系统的变换域分析,包括z变换和离散时间傅里叶变换、连续时间信号的抽样与重建,离散傅里叶变换及其快速算法(FFT),数字滤波器实现的基本结构,IIR和FIR 数字滤波器的设计原理与基本设计方法,数字信号处理中的有限字长效应,多抽样率数字信号处理。本书配有多媒体电子课件、英文版教学大纲、习题指导与实验手册。
本书可以作为电子与通信相关专业的本科数字信号处理课程中英文双语教学的教材,或中文授课的英文版教学参考书,也可供从事数字信号处理的工程技术人员学习参考。本书尤其适合初步开展数字信号处理课程中英文双语授课的教师与学生选用。
目录
1 Introduction
1.1 What Is a Signal
1.2 What Is a System
1.3 What Is Signal Processing
1.4 Classification of Signals
1.4.1 Deterministic and Random Signals
1.4.2 Continuous-Time and Discrete-Time Signals
1.4.3 Periodic Signals and Nonperiodic Signals
1.4.4 Energy Signals and Power Signals
1.5 Overview of Digital Signal Processing
2 Discrete-Time Signals and Systems
2.1 Discrete-Time Signals: Sequences
2.1.1 Operation on Sequences
2.2 Basic Sequences
2.2.1 Some Basic Sequences
2.2.2 Periodicity of Sequences
2.2.3 Representation of Arbitrary Sequences
2.3 Discrete-Time systems
2.3.1 Classification of Discrete-Time systems
2.4 Time-Domain Representations of LTI Systems
2.4.1 The Linear Convolution Sum
2.4.2 Interconnections of LTI Systems
2.4.3 Stability Condition of LTI systems
2.4.4 Causality Condition of LTI systems
2.4.5 Causal and Anticausal Sequences
2.5 Linear Constant-Coefficient Difference Equations
2.5.1 Recursive Solution of Difference Equations
2.5.2 Classical Solution of Difference Equations
2.5.3 Zero-Input Response and Zero-State Response
2.5.4 The Impulse Response of Causal LTI Systems
2.5.5 Recursive Solution of Impulse Responses
2.5.6 Classification of LTI Discrete-Time Systems
Problems
3 Transform-Domain Analysis of Discrete-Time Signals and Systems
3.1 The z-Transform
3.1.1 Definition of the z-Transform
3.1.2 A General Shape of the Region of Convergence
3.1.3 Uniqueness of the z-Transform
3.2 Relation Between the ROCs and Sequence Types
3.3 The z-Transform of Basic Sequences
3.4 The Inverse z-Transform
3.4.1 Contour Integral Method
3.4.2 Partial Fraction Expansion Method
3.4.3 Long Division Method
3.4.4 Power Series Expansion Method
3.5 Properties of the z-Transform
3.6 The Discrete-Time Fourier Transform
3.6.1 Definition of the Discrete-Time Fourier Transform
3.6.2 Convergence Criteria
3.6.3 Properties of the Discrete-Time Fourier Transform
3.6.4 Symmetry Properties of the Discrete-Time Fourier Transform
3.7 Transform-Domain Analysis of LTI Discrete-Time Systems
3.7.1 The Frequency Response of Systems
3.7.2 The Transfer Function of LTI Systems
3.7.3 Geometric Evaluation of the Frequency Response
3.8 Sampling of Continuous-Time Signals
3.8.1 Periodic Sampling
3.8.2 Reconstruction of Bandlimited Signals
3.9 Relations of the z-Transform to the Laplace Transform
Problems
4 The Discrete Fourier,Transform
4.1 The Discrete Fourier Series
4.2 Properties of the Discrete Fourier Series
4.2.1 Evaluation of the Periodic Convolution Sum
4.3 The Discrete Fourier Transform
4.4 Properties of the Discrete Fourier Transform
4.4.1 Circular Convolution Theorems
4.5 Linear Convolutions Evaluated by the Circular Convolution
4.6 Linear Time-Invariant Systems Implemented by the DFT
4.7 Sampling and Reconstruction in the z-Domain
4.8 Fourier Analysis of Continuous-Time Signals Using the DFT
4.8.1 Fourier Analysis of Nonperiodic Continuous-Time Signals
4.8.2 Practical Considerations
4.8.3 Spectral Analysis of Sinusoidal Signals
Problems
5 Fast Fourier Transform Algorithms
5.1 Direct Computation and Efficiency Improvement of the DFT
5.2 Decimation-in-Time FFT Algorithm with Radix-2
5.2.1 Butterfly-Branch Transmittance of the Decimation-in-Time FFT
5.2.2 In-Place Computations
5.3 Decimation-in-Frequency FFT Algorithm with Radix-2
5.4 Computational Method of the Inverse FFT
Problems
6 Digital Filtor Structures
6.1 Description of the Digital Filter Structures
6.2 Basic Structures for I1R Digital Filters
6.2.1 Direct Form
6.2.2 Direct Form
6.2.3 Cascade Form
6.2.4 Parallel Form
6.3 Basic Structures for FIR Digital Filters
6.3.1 Direct Forms
6.3.2 Cascade Forms
6.3.3 Linear-Phase Forms
6.3.4 Frequency Sampling Form
Problems
7 Design Techniques of Digital IIR Filters
7.1 Preliminary Considerations
7.1.1 Frequency Response of Digital Filters
7.2 Discrete-Time Systems Characterized by Phase Properties
7.3 Allpass Systems
7.3.1 Nonminimum-Phase Systems Represented by a Cascade Connection
7.3.2 Group Delay of the Minimum-Phase Systems
7.3.3 Energy Delay of the Minimum-Phase Systems
7.4 Analog-to-Digital Filter Transformations
7.4.1 Impulse Invariance Transformation
7.4.2 Step Invariance Transformation
7.4.3 Bilinear Transformation
7.5 Design of Analog Prototype Filters
7.5.1 Analog Butterworth Lowpass Filters
7.5.2 Analog Chebyshev Lowpass Filters
7.6 Design of Lowpass IIR Digital Filters
7.6.1 Design of Lowpass Digital Filters Using the Impulse Invariance
7.6.2 Design of Lowpass Digital Filters Using the Bilinear Transformation
7.7 Design of IIR Digital Filters Using Analog Frequency Transformations
7.7.1 Design of Bandpass IIR Digital Filters
7.7.2 Design of Bandstop I]R Digital Filters
7.7.3 Design of Highpass IIR Digital Filters
7.8 Design of IIR Digital Filters Using Digital Frequency Transformations
7.8.1 Lowpass-to-Lowpass Transformation
7.8.2 Lowpass-to-Highpass Transformation
7.8.3 Lowpass-to-Bandpass Transformation
7.8.4 Lowpass-to-Bandstop Transformation
Problems
8 Design of FIR Digital Filters
8.1 Properties of Linear Phase FIR Filters
8.1.1 The Impulse Response of Linear-Phase FIR Filters
8.1.2 The Frequency Response of Linear-Phase FIR Filters
8.1.3 Characteristics of Amplitude Functions
8.1.4 Constraints on Zero Locations
8.2 Design of Linear-Phase FIR Filters Using Windows
8.2.1 Basic Techniques
8.2.2 Window Functions
8.2.3 Design of Linear-Phase FIR Lowpass Filters Using Windows
8.2.4 Design of Linear-Phase FIR Bandpass Filters Using Windows
8.2.5 Design of Linear-Phase FIR Highpass Filters Using Windows
8.2.6 Design of Linear-Phase FIR Bandstop Filters Using Windows
Problems
9 Finite-Wordlength Effects in Digital Signal Processing
9.1 Binary Number Representation with its Quantization Errors
9.1.1 Fixed-Point Binary Representation of Numbers
9.1.2 Floating-Point Representation
9.1.3 Errors from Truncation and Rounding v
9.1.4 Statistical Model of the Quantization Errors
9.2 Analysis of the Quantization Errors in A/D Conversion
9.2.1 Statistical Model of the Quantization Errors
9.2.2 Transmission of the Quantization Noise through LTI Systems
9.3 Coefficient Quantization Effects in Digital Filters
9.3.1 Coefficient Quantization Effects in IIR Digital Filters
9.3.2 Statistical Analysis of Coefficient Quantization Effects
9.3.3 Coefficient Quantization Effects in FIR Filters
9.4 Round-off Effects in Digital Filters
9.4.1 Round-off Effects in Fixed-Point Realizations of ILR Filters
9.4.2 Dynamic Range Scaling in Fixed-Point Implementations of IIR Filters
9.5 Limit-Cycle Oscillations in Realizations of IIR Digital Filters
9.5.1 Zero-Input Limit Cycle Oscillations
9.5.2 Limit Cycles Due to Overflow
9.6 Round-off Errors in FFT Algorithms
9.6.1 Round-off Errors in the Direct DFT Computation
9.6.2 Round-off Errors in Fixed-point FFT Realization
Problems
10 Multirate Digital Signal Processing
10.1 Sampling Rate Changed by an Integer Factor
10.1.1 Downsampling with an Integer Factor M
10.1.2 Decimation by an Integer Factor M
10.1.3 Upsampling with an Integer Factor L
10.1.4 Interpolation by an Integer Factor L
10.2 Sampling Rate Conversion by a Rational Factor
10.3 Efficient Structures for Sampling Rate Conversion
10.3.1 Equivalent Cascade Structures
10.3.2 Polyphase Depositions
10.3.3 Polyphase Realization of Decimation Filters
10.3.4 Polyphase Realization of Interpolation Filters
Problems
Appendix A Tables for the z-Transform
Appendix B Table for Properties of the Discrete-Time Fourier Transform
Appendix C Table for Properties of the Discrete Fourier Series
Appendix D Table for Properties of the Discrete Fourier Transform
Appendix E Table for the Normalized Butterworth Lowpass Filters
Appendix F Answers To Partial Problems
References
作者介绍
蔡坤宝,博士,重庆大学通信工程学院教授,信号与信息处理硕士学位点负责人。多年来致力于*信号的产生与处理、生物组织粘弹性波动的有限元分析、现代信号处理及其应用和人工神经网络等方面的研究工作。十余年来,积极探索和实施中英文双语教学,现任重庆市级精品课程“信
文摘
序言
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评分这本《数字信号处理》(英文版) 的教材,对我这个初次接触DSP领域的学生来说,简直是一场知识的洗礼。它的内容组织极其严谨,从最基础的离散时间信号和系统理论讲起,脉络清晰得让人赞叹。特别是关于Z变换和傅里叶分析的部分,作者没有满足于仅仅给出公式,而是深入剖析了这些数学工具背后的物理意义和工程应用价值。书中大量的实例图示,将抽象的数学概念具象化,大大降低了理解难度。比如,在讲解FIR和IIR滤波器设计时,作者并没有生硬地堆砌设计公式,而是巧妙地穿插了各种实际应用场景,例如音频处理中的降噪、通信系统中的信道均衡等,让读者能立刻体会到所学知识的“重量”。我特别欣赏它在理论推导后的“工程小结”部分,这往往能帮助我把书本知识迅速转化为解决实际问题的思路。对于想打下坚实基础的初学者,这本书无疑是教科书级别的典范,它不是那种只停留在表面概念的轻薄读物,而是真正能带你深入数字世界的深度指南。
评分对于我这样背景比较偏向通信理论,对DSP涉及的硬件实现和软件效率要求很高的工程师来说,这本书的价值主要体现在它对算法效率和计算复杂度的深刻洞察上。书中关于定点运算(Fixed-Point Arithmetic)对DSP实现影响的讨论,远超出了普通教材的范畴。作者详细分析了定点化过程中可能引入的饱和误差和截断误差,并给出了实用的舍入策略建议。这对于我们直接在FPGA或专用DSP芯片上部署算法时,避免灾难性的精度损失至关重要。此外,它对谱分析工具的选择性介绍也非常务实——它并没有罗列所有已知的谱估计方法,而是重点讲解了如何根据实际应用场景(如雷达信号处理中的快速扫描需求)来权衡周期图法、Welch法和现代谱估计方法的优劣。这本书的“成熟度”很高,它教你的不仅是如何“做”DSP,更是如何“精明地”做DSP。
评分作为一名信号处理方向的研究生,我通常更偏爱那些包含大量前沿内容和最新算法的参考书。然而,这本英文版的《数字信号处理》成功地在经典与前沿之间找到了一个令人舒适的平衡点。它的深度足以支撑博士阶段的理论构建,其对随机信号处理的介绍尤为出色,例如对维纳滤波器(Wiener Filter)的推导和应用场景的分析,非常详尽且富有启发性。我特别留意了书中关于自适应滤波的章节,作者在介绍LMS算法时,不仅给出了收敛性的证明,还讨论了步长参数选择对收敛速度和稳态误差的敏感性。这种对细节的执着,使得这本书超越了一般的参考手册。更难能可贵的是,它在讨论这些复杂算法时,始终保持着一种流畅的叙事风格,阅读体验非常好,不像有些技术书籍那样枯燥晦涩。这本书是那种你会忍不住在书页边缘写满笔记,并且会在未来很长一段时间内反复翻阅的“老朋友”。
评分我是一位工作了近十年的嵌入式工程师,这次为了跟进最新的物联网(IoT)传感器数据处理技术,重新拾起了我的DSP知识。坦白说,市面上很多新出的教材都过于侧重软件实现而牺牲了底层原理,但手上这本《数字信号处理》却保持了难得的高水准。它对采样定理的阐述,尤其是对混叠(Aliasing)现象的深入探讨,简直是教科书级别的完美。我记得书中对噪声建模和量化误差的分析,细致到了每一个比特位的有效性,这对于设计低功耗、高精度的边缘计算模块至关重要。书中对快速傅里叶变换(FFT)算法的推导部分,虽然篇幅不短,但每一步的逻辑衔接都无可挑剔,对于理解不同FFT变种的性能差异提供了坚实的理论基础。当我实际在项目中遇到频谱泄漏问题时,翻阅书中关于窗函数选择的章节,立即找到了针对性的解决方案。这本书的价值在于,它提供的不是临时的“配方”,而是能够指导你进行长期技术决策的“原理图”。
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