基本信息
書名:數字通信(第五版 英文精簡版)
定價:59.00元
作者:(美)普羅科斯,(美)薩利希,張力軍 等改編
齣版社:電子工業齣版社
齣版日期:2012-01-01
ISBN:9787121153259
字數:
頁碼:
版次:1
裝幀:平裝
開本:
商品重量:0.781kg
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內容提要
本書是在《數字通信(第五版)》的基礎上,根據的實際教學情況進行精簡和改編的。主要的精簡原則為:保留信號傳輸理論內容,捨去信息傳輸理論內容,並以傳統而經典的數字傳輸理論為主,無綫通信為輔。改編的部分主要是根據實際教學的常用習慣來進行的。精簡後的內容主要涵蓋:確定與*信號分析;數字調製方法;AWGN信道的*接收機;載波和符號同步;通過帶限信道的數字通信;自適應均衡;多信道和多載波係統;數字通信用擴頻信號;衰落信道:信道特徵與信號傳輸;多天綫係統。
目錄
Chapter 1Introduction
1.1 Elements of a Digital CommunicationSystem
1.2 Communication Channels and TheirCharacteristics
1.3 Mathematical Models for CommunicationChannels
1.4 A Historical Perspective in the Development of
Digitalommunications
Chapter 2 Deterministic and Random SignalAnalysis
2.1 Representation of Bandpass Signals andSystems
2.1–1 Representation of Bandpass Signals/ 2.1–2 Response of aBandpass System to a Bandpass Signal
2.2 Signal Space Representation ofWaveforms
2.2–1 Vector Space Concepts / 2.2–2 Signal Space Concepts / 2.2–3Orthogonal Expansions of Signals /2.2–4 Gram-SchmidtProcedure
2.3 Some Useful RandomVariables
2.4 RandomProcesses
2.4–1 Wide-Sense Stationary Random Processes /2.4–2Cyclostationary Random Processes
2.5 Series Expansion of RandomProcesses
2.5–1 Sampling Theorem for Band-Limited RandomProcesses /2.5–2 TheKarhunen-Lo`eve Expansion
2.6 Bandpass Stationary StochasticProcesses
Problems
Chapter 3 Digital ModulationSchemes
3.1 Representation of Digitally ModulatedSignals
3.2 Memoryless ModulationMethods
3.2–1 Pulse Amplitude Modulation (PAM) / 3.2–2 Phase Modulation /3.2–3 Quadrature Amplitude Modulation /3.2–4 MultidimensionalSignaling
3.3 Signaling Schemes withMemory
3.3–1 Continuous-Phase Frequency-Shift Keying(CPFSK) /
3.3–2 Continuous-Phase Modulation (CPM)
3.4 Power Spectrum of Digitally ModulatedSignals
3.4–1 Power Spectral Density of a Digitally ModulatedSignalwith
Memory / 3.4–2 Power Spectral Density of LinearlyModulated
Signals / 3.4–3 Power Spectral Density ofDigitally Modulated
Signals with Finite Memory / 3.4–4Power Spectral Density of
Modulation Schemes with a MarkovStructure / 3.4–5 Power
Spectral Densities of CPFSK and CPM Signals
Problems
Chapter 4 Optimum Receivers for AWGNChannels
4.1 Waveform and Vector ChannelModels
4.1–1 Optimal Detection for a General Vector Channel
4.2 Waveform and Vector AWGNChannels
4.2–1 Optimal Detection for the Vector AWGN Channel /4.2–2Implementation of the Optimal Receiver for AWGN Channels / 4.2–3 AUnion Bound on the Probability of Error of Maximum LikelihoodDetection
4.3 Optimal Detection and Error Probability for Band-Limited
Signaling
4.3–1 Optimal Detection and Error Probability for ASK or
PAM Signaling / 4.3–2 Optimal Detection and ErrorProbability
for PSK Signaling / 4.3–3 Optimal Detection and ErrorProbability
for QAM Signaling / 4.3–4 Demodulation and Detection
4.4 Optimal Detection and Error Probability forPower-Limited
Signaling
4.4–1 Optimal Detection and Error Probability for Orthogonal
Signaling / 4.4–2 Optimal Detection and Error Probabilityfor
Biorthogonal Signaling / 4.4–3 Optimal Detection and Error
Probability for Simplex Signaling
4.5 Optimal Detection in Presence of Uncertainty:Noncoherent
Detection
4.5–1 Noncoherent Detection of Carrier Modulated Signals /4.5–2Optimal Noncoherent Detection of FSK Modulated Signals / 4.5–3Error Probability of Orthogonal Signaling with NoncoherentDetection / 4.5–4 Probability of Error for Envelope Detection ofCorrelated Binary Signals /4.5–5 Differential PSK (DPSK)
4.6 A Comparison of Digital SignalingMethods
4.6–1 Bandwidth and Dimensionality
4.7 Lattices and Constellations Based onLattices
4.7–1 An Introduction to Lattices / 4.7–2 Signal Constellationsfrom Lattices
4.8 Detection of Signaling Schemes withMemory
4.8–1 The Maximum Likelihood Sequence Detector
4.9 Optimum Receiver for CPMSignals
4.9–1 Optimum Demodulation and Detection of CPM /4.9–2 Performanceof CPM Signals / 4.9–3 Suboptimum Demodulation and Detection of CPMSignals
Problems
Chapter 5 Carrier and SymbolSynchronization
5.1 Signal ParameterEstimation
5.1–1 The Likelihood Function / 5.1–2 Carrier Recovery and
Symbol Synchronization in Signal Demodulation
5.2 Carrier PhaseEstimation
5.2–1 Maximum-Likelihood Carrier Phase Estimation /5.2–2 ThePhase-Locked Loop / 5.2–3 Effect of AdditiveNoise on the PhaseEstimate / 5.2–4 Decision-Directed Loops / 5.2–5Non-Decision-Directed Loops
5.3 Symbol TimingEstimation
5.3–1 Maximum-Likelihood Timing Estimation /5.3–2Non-Decision-Directed Timing Estimation
5.4 Joint Estimation of Carrier Phase and SymbolTiming
5.5 Performance Characteristics of MLEstimators
Problems
Chapter 6 Digital Communication Through Band-LimitedChannels
6.1 Characterization of Band-LimitedChannels
6.2 Signal Design for Band-LimitedChannels
6.2–1 Design of Band-Limited Signals for No Intersymbol
Interference—The Nyquist Criterion / 6.2–2 Design of Band-LimitedSignals with Controlled ISI—Partial-Response Signals / 6.2–3 DataDetection for Controlled ISI /6.2–4 Signal Design for Channels withDistortion
6.3 Optimum Receiver for Channels with ISI andAWGN
6.3–1 Optimum Maximum-Likelihood Receiver /6.3–2 A Discrete-TimeModel for a Channel with ISI /6.3–3 Maximum-Likelihood SequenceEstimation (MLSE)
for the Discrete-Time White Noise Filter Model
6.4 LinearEqualization
6.4–1 Peak Distortion Criterion /6.4–2 Mean-Square-Error (MSE)Criterion /
6.4–3 Performance Characteristics of the MSE Equalizer /6.4–4Fractionally Spaced Equalizers /6.4–5 Baseband and Passband LinearEqualizers
6.5 Decision-FeedbackEqualization
6.5–1 Coefficient Optimization /6.5–2 Performance Characteristicsof DFE
6.6 Reduced Complexity MLDetectors
Problems
Chapter 7 AdaptiveEqualization
7.1 Adaptive LinearEqualizer
7.1–1 The Zero-Forcing Algorithm /7.1–2 The LMS Algorithm /7.1–3Convergence Properties of the LMS Algorithm /7.1–4 Excess MSE dueto Noisy Gradient Estimates /7.1–5 Accelerating the InitialConvergence Rate
in the LMS Algorithm / 7.1–6 Adaptive Fractionally SpacedEqualizer—The Tap Leakage Algorithm /7.1–7 An Adaptive ChannelEstimator for ML
Sequence Detection
7.2 Adaptive Decision-FeedbackEqualizer
7.3 Recursive Least-Squares Algorithms for AdaptiveEqualization
7.3–1 Recursive Least-Squares (Kalman) Algorithm /7.3–2 LinearPrediction and the Lattice Filter
Problems
Chapter 8 Multichannel and MulticarrierSystems
8.1 Multichannel Digital Communications in AWGNChannels
8.1–1 Binary Signals / 8.1–2 M-ary Orthogonal Signals
8.2 MulticarrierCommunications
8.2–1 Single-Carrier Versus Multicarrier Modulation /8.2–2Capacity of a Nonideal Linear Filter Channel /8.2–3 OrthogonalFrequency Division Multiplexing (OFDM) /8.2–4 Modulation andDemodulation in an OFDM System /
8.2–5 An FFT Algorithm Implementation of an OFDM System /8.2–6Spectral Characteristics of Multicarrier Signals /8.2–7 Bit andPower Allocation in Multicarrier Modulation /8.2–8 Peak-to-AverageRatio in Multicarrier Modulation /8.2–9 Channel CodingConsiderations in Multicarrier Modulation
Problems
Chapter 9 Spread Spectrum Signals for DigitalCommunications
9.1 Model of Spread Spectrum Digital CommunicationSystem
9.2 Direct Sequence Spread SpectrumSignals
9.2–1 Error Rate Performance of the Decoder /9.2–2 SomeApplications of DS Spread Spectrum Signals /9.2–3 Effect of PulsedInterference on DS Spread Spectrum Systems / 9.2–4 Excision ofNarrowband Interference in DS Spread Spectrum Systems / 9.2–5Generation of PN Sequences
9.3 Frequency-Hopped Spread SpectrumSignals
9.3–1 Performance of FH Spread Spectrum Signals in an
AWGN Channel / 9.3–2 Performance of FH Spread Spectrum
Signals in Partial-Band Interference / 9.3–3 A CDMA System
Based on FH Spread Spectrum Signals
9.4 Other Types of Spread SpectrumSignals
Problems
Chapter 10 Fading Channels : Characterization and
Signaling
10.1 Characterization of Fading MultipathChannels
10.1–1 Channel Correlation Functions and Power Spectra /
10.1–2 Statistical Models for Fading Channels
10.2 The Effect of Signal Characteristics on the Choice of aChannelModel
10.3 Frequency-Nonselective, Slowly FadingChannel
10.4 Diversity Techniques for Fading MultipathChannels
10.4–1 Binary Signals / 10.4–2 Multiphase Signals /10.4–3 M-aryOrthogonal Signals
10.5 Signaling over a Frequency-Selective, Slowly FadingChannel:
The RAKEemodulator
10.5–1 A Tapped-Delay-Line Channel Model / 10.5–2 The RAKEDemodulator / 10.5–3 Performance of RAKE Demodulator / 10.5–4Receiver Structures for Channels with IntersymbolInterference
10.6 Multicarrier Modulation(OFDM)
10.6–1 Performance Degradation of an OFDM System due to DopplerSpreading / 10.6–2 Suppression of ICI in OFDM Systems
Problems
Chapter 11 Multiple-AntennaSystems
11.1 Channel Models for Multiple-AntennaSystems
11.1–1 Signal Transmission Through a Slow FadingFrequency-Nonselective MIMO Channel / 11.1–2 Detection of DataSymbols in a MIMO System / 11.1–3 Signal
Transmission Through a Slow Fading Frequency-Selective MIMOChannel
11.2 Spread Spectrum Signals and MulticodeTransmission
11.2–1 Orthogonal Spreading Sequences /11.2–2 Multiplexing GainVersus Diversity Gain /11.2–3 Multicode MIMO Systems
Problems
作者介紹
文摘
序言
在內容廣度上,這本書的覆蓋麵確實令人印象深刻,它不僅僅停留在理論層麵,對於現代通信係統中的實際挑戰和解決方案也有相當深入的探討。我注意到其中關於MIMO技術、OFDM係統的介紹部分,不僅詳細闡述瞭其原理,還非常到位地結閤瞭當前頻譜效率和多徑衰落的實際問題進行瞭分析,這種將理論與工程實踐緊密結閤的處理方式,是我在其他教材中較少見到的。它沒有把數字通信僅僅看作是一套孤立的數學工具,而是將其置於整個通信網絡和物理信道的大背景下進行考察。例如,在討論信道估計和均衡時,作者給齣的算法描述和復雜度分析,非常貼閤實際係統中資源受限的工程考量。這種對“落地性”的關注,讓這本書的價值遠超瞭一般教科書,它更像是一本麵嚮高級工程師的參考手冊,指導我們如何將優美的理論轉化為可靠、高效的實際産品。這種前瞻性和實用性的深度融閤,使得這本書成為我書架上不可或缺的工具書。
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評分這本書的章節邏輯推進之流暢,簡直像一位經驗豐富的導師在循循善誘。它沒有一上來就拋齣那些令人望而生畏的復雜理論,而是從最基礎的信號錶示和采樣定理開始,用一種近乎平滑的方式引入到後續的信道編碼和調製解調技術中。尤其是在講解傅裏葉變換和 Z 變換在數字處理中的應用時,作者的敘述角度非常巧妙,總能找到一個直觀的切入點,避免瞭純數學推導帶來的枯燥感。我特彆欣賞作者在介紹新概念時,總會先給齣它在實際係統中的“為什麼”和“在哪裏用”,然後再深入到“如何實現”,這種自上而下的結構極大地幫助我建立起宏觀的認知框架,而不是迷失在細節的泥潭裏。每次讀完一個核心章節,我總有一種豁然開朗的感覺,好像那些原本糾纏不清的概念突然間就被一一梳理開來瞭,清晰可見。這種由淺入深、層層遞進的編排方式,對於自學者來說是莫大的福音,它保證瞭知識體係的完整性,避免瞭知識點的碎片化,讓學習體驗變得極其連貫和有效率。
評分這本書的封麵設計真是直擊人心,那種深邃的藍色調配上簡潔有力的字體,一看就知道是精心打磨過的專業著作。我拿到手的時候,首先被它的紙張質感吸引瞭,光滑而不失韌性,油墨的印刷清晰銳利,即便是那些復雜的數學公式和圖錶,也能看得一清二楚,長時間閱讀下來眼睛也不會感到疲勞。整體裝幀非常紮實,看得齣齣版商在細節上的用心,即便是經常翻閱,也不擔心會散頁或者磨損。我之前讀過一些同行業的教材,很多在物理形態上都顯得粗糙或者過於臃腫,但這本在保持內容深度的同時,對開本的控製和重量的把握都拿捏得恰到好處,非常適閤學生和工程師攜帶和放在案頭備查。尤其值得稱贊的是內頁的排版,章節劃分清晰,留白閤理,使得原本就密集的專業信息得到瞭很好的呼吸空間,這對於理解那些抽象的概念至關重要。那種觸手可及的質感,已經為接下來的學習旅程奠定瞭一個非常積極的基調,讓人願意沉下心來去探索其中蘊含的知識寶藏。從一個純粹的“物”的角度來評價,它無疑是市場上同類書籍中的佼佼者,體現瞭專業齣版物應有的水準和對讀者的尊重。
評分這本書在提供理論深度和廣度的同時,對於自我檢驗的學習環節的設置也體現瞭極高的專業水準。它提供的習題和案例分析,絕非簡單的重復性計算,而是真正考驗讀者對核心概念理解程度的“關卡”。有些挑戰性的問題需要你綜閤運用好幾個章節的知識點纔能得齣完整解答,這迫使我必須真正地去理解概念之間的相互聯係,而不是死記硬背公式。更關鍵的是,這些練習的難度梯度設置得非常科學,從基礎的鞏固練習到需要深入思考的開放性問題,層層遞進,確保讀者在掌握基礎後能夠逐步挑戰更復雜的場景。這種以能力培養為導嚮的考核機製,極大地激發瞭我主動去探究知識盲區的動力。當我最終能夠獨立解決那些設計到實際信道模型和噪聲處理的難題時,那種知識被真正“內化”的成就感,是單純聽課或閱讀無法比擬的,這纔是真正高效學習的標誌,這本書在這方麵做得非常齣色。
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