基本信息
书名:数字信号处理——基于计算机的方法(第四版)(英文改编版)
定价:69.00元
售价:46.9元,便宜22.1元,折扣67
作者:米特拉
出版社:电子工业出版社
出版日期:2011-10-01
ISBN:9787121145971
字数:
页码:
版次:1
装帧:平装
开本:16开
商品重量:0.840kg
编辑推荐
内容提要
本书是在数字信号领域的经典教材Digital Signal Processing: A Computer-BasedApproach, FourthEdition的基础上改编而成的,内容涵盖了信号与信号处理、时域中的离散时间信号统、频域中的离散时间信号、离散时间系统、有限长离散变换、z变换、变换域中的LTI离散时间系统、数字滤波器结构、IIR数字滤波器设计、FIR数字滤波器设计、DSP算法实现等方面。本书的特点是,在讲解上述内容的同时,给出了大量简单而实用的例子,并用MATLAB程序进行了验证,同时提供了大量的高质量习题和仿真练习。
目录
Table of Contents
1 Signals and Signal Processing
1.1 Characterization and Classification of Signals
1.2 Typical Signal Processing Operations
1.3 Examples of Typical Signals
1.4 Typical Signal Processing Applications
1.5 Why Digital Signal Processing
2 Discrete-Time Signals in the Time Domain
2.1 Time-Domain Representation
2.2 Operations on Sequences
2.3 Operations on Finite-Length Sequences
2.4 Typical Sequences and Sequence Representation
2.5 The Sampling Process
2.6 Correlation of Signals
2.7 Random Signals
2.8 Summary
2.9 Problems
2.10 MATLAB Exercises
3 Discrete-Time Signals in the Frequency Domain
3.1 The Continuous-Time Fourier Transform
3.2 The Discrete-Time Fourier Transform
3.3 Discrete-Time Fourier Transform Theorems
3.4 Energy Density Spectrum of a Discrete-Time Sequence
3.5 Band-Limited Discrete-Time Signals
3.6 DTFT Computation Using MATLAB
3.7 The Unwrapped Phase Function
3.8 Digital Processing of Continuous-Time Signals
3.9 Sampling of Bandpass Signals
3.10 Effect of Sample-and-Hold Operation
3.11 Summary
3.12 Problems
3.13 MATLAB Exercises
4 Discrete-Time Systems
4.1 Discrete-Time System Examples
4.2 Classification of Discrete-Time Systems
4.3 Impulse and Step Responses
4.4 Time-Domain Characterization of LTI Discrete-TimeSystems
4.5 Simple Interconnection Schemes
4.6 Finite-Dimensional LTI Discrete-Time Systems
4.7 Classification of LTI Discrete-Time Systems
4.8 Frequency-Domain Representations of LTI Discrete-TimeSystems
4.9 Phase and Group Delays
4.10 Summary
4.11 Problems
4.12 MATLAB Exercises
5 Finite-Length Discrete Transforms
5.1 Orthogonal Transforms
5.2 The Discrete Fourier Transform
5.3 Relation Between the DTFT and the DFT and Their Inverses
5.4 Circular Convolution
5.5 Classifications of Finite-Length Sequences
5.6 DFT Symmetry Relations
5.7 Discrete Fourier Transform Theorems
5.8 Fourier-Domain Filtering
5.9 Computation of the DFT of Real Sequences
5.10 Linear Convolution Using the DFT
5.11 Summary
5.12 Problems
5.13 MATLAB Exercises
6 z-Transform
6.1 Definition
6.2 Rational z-Transforms
6.3 Region of Convergence of a Rational z-Transform
6.4 The Inverse z-Transform
6.5 z-Transform Theorems
6.6 Computation of the Convolution Sum of Finite-LengthSequences
6.7 The Transfer Function
6.8 Summary
6.9 Problems
6.10 MATLAB Exercises
7 LTI Discrete-Time Systems in the Transform Domain
7.1 Transfer Function Classification Based on MagnitudeCharacteristics
7.2 Transfer Function Classification Based on PhaseCharacteristics
7.3 Types of Linear-Phase FIR Transfer Functions
7.4 Simple Digital Filters
7.5 Inverse Systems
7.6 Summary
7.7 Problems
7.8 MATLAB Exercises
8 Digital Filter Structures
8.1 Block Diagram Representation
8.2 Equivalent Structures
8.3 Basic FIR Digital Filter Structures
8.4 Basic IIR Digital Filter Structures
8.5 Realization of Basic Structures Using MATLAB
8.6 Allpass Filters
8.7 IIR Tapped Cascaded Lattice Structures
8.8 FIR Cascaded Lattice Structures
8.9 Summary
8.10 Problems
8.11 MATLAB Exercises
9 IIR Digital Filter Design
9.1 Preliminary Considerations
9.2 Bilinear TransformationMethod of IIR Filter Design
9.3 Design of Lowpass IIR Digital Filters
9.4 Design of Highpass, Bandpass, and Bandstop IIR DigitalFilters
9.5 Spectral Transformations of IIR Filters
9.6 IIR Digital Filter Design Using MATLAB
9.7 Summary
9.8 Problems
9.9 MATLAB Exercises
10 FIR Digital Filter Design
10.1 Preliminary Considerations
10.2 FIR Filter Design Based on Windowed Fourier Series
10.3 Computer-Aided Design of Equiripple Linear-Phase FIRFilters
10.4 Design of Minimum-Phase FIR Filters
10.5 FIR Digital Filter Design Using MATLAB
10.6 Summary
10.7 Problems
10.8 MATLAB Exercises
11 DSP Algorithm Implementation
11.1 Basic Issues
11.2 Structure Simulation and Verification Using MATLAB
11.3 Computation of the Discrete Fourier Transform
11.4 Fast DFT Algorithms Based on Index Mapping
11.5 DFT and IDFT Computation Using MATLAB
11.6 Sliding Discrete Fourier Transform
11.7 DFT Computation over a Narrow Frequency Band
11.8 Summary
11.9 Problems
11.10 MATLAB Exercises
A Analog Lowpass Filter Design
A.1 Analog Filter Specifications
A.2 Butterworth Approximation
A.3 Chebyshev Approximation
A.4 Elliptic Approximation
A.5 Linear-Phase Approximation
A.6 Analog Filter Design Using MATLAB
A.7 Analog Lowpass Filter Design Examples
A.8 A Comparison of the Filter Types
A.9 Anti-Aliasing Filter Design
A.10 Reconstruction Filter Design
B Design of Analog Highpass, Bandpass, and Bandstop Filters
B.1 Analog Highpass Filter Design
B.2 Analog Bandpass Filter Design
B.3 Analog Bandstop Filter Design
Bibliography
作者介绍
文摘
序言
这本书的章节逻辑推进得极为自然流畅,仿佛一位经验丰富的老教授在循循善诱地引导你进入数字信号处理的深奥世界。它并没有一上来就抛出那些令人望而生畏的深奥理论,而是从最基本的离散时间信号和系统概念入手,逐步过渡到Z变换、傅里叶分析等核心工具。我特别欣赏作者在引入新概念时所采用的“类比法”,常常会借用一些大家熟悉的物理现象或者工程实例来解释抽象的数学模型,这使得理解过程变得更加直观和接地气。比如在讲解卷积时,作者不仅仅是给出了公式推导,更结合了实际的滤波器设计案例,让读者立刻明白“为什么要学这个”以及“这个能用来做什么”。这种由浅入深、层层递进的结构设计,极大地降低了初学者的入门门槛,让人在不知不觉中就建立起扎实的理论基础框架。
评分这本书的版面和图表质量简直是行业标杆。在处理诸如频谱图、时域波形以及系统框图这类可视化内容时,作者展现了极高的专业素养。所有的图形都采用了高分辨率的矢量图绘制,线条清晰锐利,即使用放大镜观察细节,也不会出现模糊不清的锯齿现象。色彩的运用也十分到位,虽然主体是黑白印刷,但在关键的区分色块或强调线上,处理得恰到好处,能让人一眼分辨出不同信号流或不同组件的对应关系。这种对视觉信息传达的极致追求,极大地减轻了阅读负担,尤其是在学习傅里叶变换的收敛性和频谱分析时,清晰的图示是理解共轭对称性等特性的关键,这本书在这方面做得无可挑剔。
评分这本书的装帧设计着实让人眼前一亮,封面采用了沉稳的深蓝色调,配合着简洁有力的标题字体,透露出一种专业而又不失现代感的学术气息。初次上手时,能感受到纸张的质感相当不错,厚实且有一定的韧性,这对于需要频繁翻阅和标注的理工科教材来说,无疑是一个巨大的加分项。内页的排版也做得非常考究,黑白分明的文字和图表布局清晰,即便是复杂的数学公式和流程图,也能做到主次分明,阅读起来不觉拥挤。特别是那些关键概念的定义和定理的阐述部分,通常都会用加粗或者单独的方框进行强调,这种细致的编排方式极大地提升了学习效率,让人在快速浏览时也能迅速抓住核心知识点。光是看着这本书放在书架上,就有一种对知识的敬畏感和学习的动力油然而生,感觉自己手里捧着的不是一本简单的教科书,而是一件精心打磨的学术工具。
评分这本书的语言风格非常严谨,处处体现着深厚的学术功底,但又不失清晰的表达力。在涉及到数学推导的部分,作者的论证过程是滴水不漏的,每一个步骤的转换都有明确的数学依据,很少出现逻辑上的跳跃,这对于需要精确理解推导细节的读者来说是极大的福音。然而,尽管内容深奥,作者在解释那些复杂概念时却能保持一种令人惊叹的冷静和客观,没有过多的主观臆断或浮夸的辞藻,纯粹专注于知识的准确传达。这种“去情绪化”的叙事方式,让读者能够将全部精力集中在信息的吸收上,极大地提高了学习的专注度,真正体会到一种纯粹的学术交流的氛围。
评分我必须承认,这本书的习题设计是其最引人注目的亮点之一。它们绝非那些套路化的、仅仅验证公式的简单练习,而是真正具有挑战性和启发性的思考题。习题的难度分布非常合理,从基础巩固型到需要综合运用多章节知识的综合应用型都有涵盖。尤其是一些需要结合MATLAB或类似工具进行仿真的题目,要求读者不仅要理解背后的原理,还要动手实现算法,这才是现代工程教育的精髓所在。完成这些习题的过程,就像是完成了一次次小型项目的设计与调试,从中获得的成就感是看书看懂理论无法比拟的。它迫使你跳出书本的束缚,主动去探索和解决问题,真正培养了独立分析和解决复杂信号处理难题的能力。
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