基本信息
書名:數字信號處理——基於計算機的方法(第四版)(英文改編版)
定價:69.00元
售價:46.9元,便宜22.1元,摺扣67
作者:米特拉
齣版社:電子工業齣版社
齣版日期:2011-10-01
ISBN:9787121145971
字數:
頁碼:
版次:1
裝幀:平裝
開本:16開
商品重量:0.840kg
編輯推薦
內容提要
本書是在數字信號領域的經典教材Digital Signal Processing: A Computer-BasedApproach, FourthEdition的基礎上改編而成的,內容涵蓋瞭信號與信號處理、時域中的離散時間信號統、頻域中的離散時間信號、離散時間係統、有限長離散變換、z變換、變換域中的LTI離散時間係統、數字濾波器結構、IIR數字濾波器設計、FIR數字濾波器設計、DSP算法實現等方麵。本書的特點是,在講解上述內容的同時,給齣瞭大量簡單而實用的例子,並用MATLAB程序進行瞭驗證,同時提供瞭大量的高質量習題和仿真練習。
目錄
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
作者介紹
文摘
序言
這本書的裝幀設計著實讓人眼前一亮,封麵采用瞭沉穩的深藍色調,配閤著簡潔有力的標題字體,透露齣一種專業而又不失現代感的學術氣息。初次上手時,能感受到紙張的質感相當不錯,厚實且有一定的韌性,這對於需要頻繁翻閱和標注的理工科教材來說,無疑是一個巨大的加分項。內頁的排版也做得非常考究,黑白分明的文字和圖錶布局清晰,即便是復雜的數學公式和流程圖,也能做到主次分明,閱讀起來不覺擁擠。特彆是那些關鍵概念的定義和定理的闡述部分,通常都會用加粗或者單獨的方框進行強調,這種細緻的編排方式極大地提升瞭學習效率,讓人在快速瀏覽時也能迅速抓住核心知識點。光是看著這本書放在書架上,就有一種對知識的敬畏感和學習的動力油然而生,感覺自己手裏捧著的不是一本簡單的教科書,而是一件精心打磨的學術工具。
評分這本書的版麵和圖錶質量簡直是行業標杆。在處理諸如頻譜圖、時域波形以及係統框圖這類可視化內容時,作者展現瞭極高的專業素養。所有的圖形都采用瞭高分辨率的矢量圖繪製,綫條清晰銳利,即使用放大鏡觀察細節,也不會齣現模糊不清的鋸齒現象。色彩的運用也十分到位,雖然主體是黑白印刷,但在關鍵的區分色塊或強調綫上,處理得恰到好處,能讓人一眼分辨齣不同信號流或不同組件的對應關係。這種對視覺信息傳達的極緻追求,極大地減輕瞭閱讀負擔,尤其是在學習傅裏葉變換的收斂性和頻譜分析時,清晰的圖示是理解共軛對稱性等特性的關鍵,這本書在這方麵做得無可挑剔。
評分我必須承認,這本書的習題設計是其最引人注目的亮點之一。它們絕非那些套路化的、僅僅驗證公式的簡單練習,而是真正具有挑戰性和啓發性的思考題。習題的難度分布非常閤理,從基礎鞏固型到需要綜閤運用多章節知識的綜閤應用型都有涵蓋。尤其是一些需要結閤MATLAB或類似工具進行仿真的題目,要求讀者不僅要理解背後的原理,還要動手實現算法,這纔是現代工程教育的精髓所在。完成這些習題的過程,就像是完成瞭一次次小型項目的設計與調試,從中獲得的成就感是看書看懂理論無法比擬的。它迫使你跳齣書本的束縛,主動去探索和解決問題,真正培養瞭獨立分析和解決復雜信號處理難題的能力。
評分這本書的語言風格非常嚴謹,處處體現著深厚的學術功底,但又不失清晰的錶達力。在涉及到數學推導的部分,作者的論證過程是滴水不漏的,每一個步驟的轉換都有明確的數學依據,很少齣現邏輯上的跳躍,這對於需要精確理解推導細節的讀者來說是極大的福音。然而,盡管內容深奧,作者在解釋那些復雜概念時卻能保持一種令人驚嘆的冷靜和客觀,沒有過多的主觀臆斷或浮誇的辭藻,純粹專注於知識的準確傳達。這種“去情緒化”的敘事方式,讓讀者能夠將全部精力集中在信息的吸收上,極大地提高瞭學習的專注度,真正體會到一種純粹的學術交流的氛圍。
評分這本書的章節邏輯推進得極為自然流暢,仿佛一位經驗豐富的老教授在循循善誘地引導你進入數字信號處理的深奧世界。它並沒有一上來就拋齣那些令人望而生畏的深奧理論,而是從最基本的離散時間信號和係統概念入手,逐步過渡到Z變換、傅裏葉分析等核心工具。我特彆欣賞作者在引入新概念時所采用的“類比法”,常常會藉用一些大傢熟悉的物理現象或者工程實例來解釋抽象的數學模型,這使得理解過程變得更加直觀和接地氣。比如在講解捲積時,作者不僅僅是給齣瞭公式推導,更結閤瞭實際的濾波器設計案例,讓讀者立刻明白“為什麼要學這個”以及“這個能用來做什麼”。這種由淺入深、層層遞進的結構設計,極大地降低瞭初學者的入門門檻,讓人在不知不覺中就建立起紮實的理論基礎框架。
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