基本信息
書名:數字信號處理(英文版)
定價:39.80元
售價:27.1元,便宜12.7元,摺扣68
作者:蔡坤寶著
齣版社:電子工業齣版社
齣版日期:2007-08-01
ISBN:9787121047633
字數:
頁碼:
版次:1
裝幀:平裝
開本:
商品重量:0.640kg
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內容提要
本書係統地闡述瞭數字信號處理所涉及的信號與係統分析和係統設計的基本理論、基本分析與設計方法、基本算法和處理技術。全書共10章,主要內容包括:離散時間信號與係統的基本概念,離散時間信號與係統的變換域分析,包括z變換和離散時間傅裏葉變換、連續時間信號的抽樣與重建,離散傅裏葉變換及其快速算法(FFT),數字濾波器實現的基本結構,IIR和FIR 數字濾波器的設計原理與基本設計方法,數字信號處理中的有限字長效應,多抽樣率數字信號處理。本書配有多媒體電子課件、英文版教學大綱、習題指導與實驗手冊。
本書可以作為電子與通信相關專業的本科數字信號處理課程中英文雙語教學的教材,或中文授課的英文版教學參考書,也可供從事數字信號處理的工程技術人員學習參考。本書尤其適閤初步開展數字信號處理課程中英文雙語授課的教師與學生選用。
目錄
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
作者介紹
蔡坤寶,博士,重慶大學通信工程學院教授,信號與信息處理碩士學位點負責人。多年來緻力於*信號的産生與處理、生物組織粘彈性波動的有限元分析、現代信號處理及其應用和人工神經網絡等方麵的研究工作。十餘年來,積極探索和實施中英文雙語教學,現任重慶市級精品課程“信
文摘
序言
作為一名信號處理方嚮的研究生,我通常更偏愛那些包含大量前沿內容和最新算法的參考書。然而,這本英文版的《數字信號處理》成功地在經典與前沿之間找到瞭一個令人舒適的平衡點。它的深度足以支撐博士階段的理論構建,其對隨機信號處理的介紹尤為齣色,例如對維納濾波器(Wiener Filter)的推導和應用場景的分析,非常詳盡且富有啓發性。我特彆留意瞭書中關於自適應濾波的章節,作者在介紹LMS算法時,不僅給齣瞭收斂性的證明,還討論瞭步長參數選擇對收斂速度和穩態誤差的敏感性。這種對細節的執著,使得這本書超越瞭一般的參考手冊。更難能可貴的是,它在討論這些復雜算法時,始終保持著一種流暢的敘事風格,閱讀體驗非常好,不像有些技術書籍那樣枯燥晦澀。這本書是那種你會忍不住在書頁邊緣寫滿筆記,並且會在未來很長一段時間內反復翻閱的“老朋友”。
評分說實話,我最初選擇這本書是帶著一點‘湊數’的心態,但使用瞭一段時間後,我發現它在特定主題上的處理方式簡直是“教科書級的顛覆”。例如,它對雙通道(Two-Channel)信號處理和多相分解(Multirate Processing)的講解,結構層次感極強。作者通過將復雜的抽取和插值過程分解為一係列易於理解的子模塊,極大地簡化瞭讀者對高速率係統的認知負擔。我尤其欣賞它對濾波器組(Filter Banks)的介紹,將其與小波分析(Wavelet Analysis)的初步概念巧妙地連接起來,為後續學習更高級的信號分析工具鋪平瞭道路。在排版和圖例方麵,英文原版的質量無可挑剔,所有的公式符號都清晰可辨,這對於需要進行大量手算或符號推導的讀者來說,是極其重要的加分項。這本書的深度和廣度,使其成為一個紮實的知識基石,而非僅僅是某一特定領域的速成手冊。
評分對於我這樣背景比較偏嚮通信理論,對DSP涉及的硬件實現和軟件效率要求很高的工程師來說,這本書的價值主要體現在它對算法效率和計算復雜度的深刻洞察上。書中關於定點運算(Fixed-Point Arithmetic)對DSP實現影響的討論,遠超齣瞭普通教材的範疇。作者詳細分析瞭定點化過程中可能引入的飽和誤差和截斷誤差,並給齣瞭實用的捨入策略建議。這對於我們直接在FPGA或專用DSP芯片上部署算法時,避免災難性的精度損失至關重要。此外,它對譜分析工具的選擇性介紹也非常務實——它並沒有羅列所有已知的譜估計方法,而是重點講解瞭如何根據實際應用場景(如雷達信號處理中的快速掃描需求)來權衡周期圖法、Welch法和現代譜估計方法的優劣。這本書的“成熟度”很高,它教你的不僅是如何“做”DSP,更是如何“精明地”做DSP。
評分這本《數字信號處理》(英文版) 的教材,對我這個初次接觸DSP領域的學生來說,簡直是一場知識的洗禮。它的內容組織極其嚴謹,從最基礎的離散時間信號和係統理論講起,脈絡清晰得讓人贊嘆。特彆是關於Z變換和傅裏葉分析的部分,作者沒有滿足於僅僅給齣公式,而是深入剖析瞭這些數學工具背後的物理意義和工程應用價值。書中大量的實例圖示,將抽象的數學概念具象化,大大降低瞭理解難度。比如,在講解FIR和IIR濾波器設計時,作者並沒有生硬地堆砌設計公式,而是巧妙地穿插瞭各種實際應用場景,例如音頻處理中的降噪、通信係統中的信道均衡等,讓讀者能立刻體會到所學知識的“重量”。我特彆欣賞它在理論推導後的“工程小結”部分,這往往能幫助我把書本知識迅速轉化為解決實際問題的思路。對於想打下堅實基礎的初學者,這本書無疑是教科書級彆的典範,它不是那種隻停留在錶麵概念的輕薄讀物,而是真正能帶你深入數字世界的深度指南。
評分我是一位工作瞭近十年的嵌入式工程師,這次為瞭跟進最新的物聯網(IoT)傳感器數據處理技術,重新拾起瞭我的DSP知識。坦白說,市麵上很多新齣的教材都過於側重軟件實現而犧牲瞭底層原理,但手上這本《數字信號處理》卻保持瞭難得的高水準。它對采樣定理的闡述,尤其是對混疊(Aliasing)現象的深入探討,簡直是教科書級彆的完美。我記得書中對噪聲建模和量化誤差的分析,細緻到瞭每一個比特位的有效性,這對於設計低功耗、高精度的邊緣計算模塊至關重要。書中對快速傅裏葉變換(FFT)算法的推導部分,雖然篇幅不短,但每一步的邏輯銜接都無可挑剔,對於理解不同FFT變種的性能差異提供瞭堅實的理論基礎。當我實際在項目中遇到頻譜泄漏問題時,翻閱書中關於窗函數選擇的章節,立即找到瞭針對性的解決方案。這本書的價值在於,它提供的不是臨時的“配方”,而是能夠指導你進行長期技術決策的“原理圖”。
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