基本信息
书名:数字通信(第五版 英文精简版)
定价:59.00元
作者:(美)普罗科斯,(美)萨利希,张力军 等改编
出版社:电子工业出版社
出版日期:2012-01-01
ISBN:9787121153259
字数:
页码:
版次:1
装帧:平装
开本:
商品重量:0.781kg
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内容提要
本书是在《数字通信(第五版)》的基础上,根据国内的实际教学情况进行精简和改编的。主要的精简原则为:保留信号传输理论内容,舍去信息传输理论内容,并以传统而经典的数字传输理论为主,无线通信为辅。改编的部分主要是根据国内实际教学的常用习惯来进行的。精简后的内容主要涵盖:确定与*信号分析;数字调制方法;AWGN信道的*接收机;载波和符号同步;通过带限信道的数字通信;自适应均衡;多信道和多载波系统;数字通信用扩频信号;衰落信道:信道特征与信号传输;多天线系统。
目录
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
作者介绍
文摘
序言
这本书的语言风格,我只能用“精准而富有洞察力”来形容。它不是那种故作高深的学术腔调,也不是过于口语化的讲解,而是找到了一种完美的平衡点——既保持了科学的严谨性,又充满了作者对学科深层次的理解和洞察。举个例子,在谈到功率谱密度(PSD)的概念时,很多教材只是罗列公式,但这本书用了一种“对比分析”的手法,同时展示了不同脉冲成形对PSD的影响,并清晰地指出了为什么我们要选择特定的波形来优化频谱效率和抗干扰能力。这种“带着问题去解释”的写作方式,让人感觉作者不仅仅是在传授知识,更是在分享他多年积累的工程经验和解决问题的思路。我尤其欣赏它在章节末尾设置的“思考与拓展”环节,那些问题往往不是简单的复述,而是引导你去思考实际工程中会遇到的权衡取舍,比如在误码率和带宽利用率之间如何进行取舍,这真正提升了这本书的价值,让它从一本参考书升级为一本训练思维的工具书。
评分在我接触过的所有数字通信教材中,这一版对“实际应用案例”的融入处理得最为自然和有效。它并没有将案例作为独立章节生硬地塞进去,而是巧妙地将它们编织进了理论讲解的脉络之中。比如,当讲解到循环前缀(CP)在OFDM中的作用时,作者立刻引用了移动通信中多径衰落的场景,详细解释了为什么CP的设计长度直接关系到系统对时延扩展的抵抗能力,甚至提到了现行标准对CP长度的一些实际要求。这种无缝衔接,让知识点不再是孤立的公式符号,而是立刻与现实世界的信号传输挑战联系了起来。这种“理论指导实践,实践反哺理论”的循环学习体验,极大地增强了我学习的内在驱动力。我不再觉得我在学习一门抽象的理论,而是在学习如何设计和优化下一代的无线系统,这种代入感是无价的。对于工程背景的读者来说,这本书的实战价值极高。
评分说实话,这本书的排版简直是艺术品级别的享受。很多技术书籍的内页设计都像是一个黑白灰的“迷宫”,密密麻麻的公式和文字挤在一起,看久了眼睛真的受不了。但这一版的设计师显然是下了功夫的。页边距的处理非常人性化,留白得恰到好处,既保证了信息密度,又极大地缓解了视觉疲劳。更让我惊喜的是,那些关键的数学推导步骤,总是用不同的字体或颜色块突出显示,这种视觉上的层次感,让原本枯燥的数学过程变得赏心悦目,甚至可以说,它引导你的视线自然而然地走向正确的理解路径。特别是关于调制解调那一章,那些星座图的绘制,清晰度和分辨率高到让人赞叹,每一个点的位置、旋转角度都一目了然,配合侧栏的文字解释,几乎不需要反复回溯前面的内容就能搞懂。如果你是那种需要通过视觉辅助才能高效学习的理工科学生,这本书的内页设计本身就能帮你节省大量时间。我甚至愿意花更多时间在上面阅读,仅仅是因为它看起来舒服、容易接近。
评分这本书最让我感到惊喜的是它对“最新发展趋势”的把握,虽然是精简版,但它并没有落后于时代。我原以为精简版可能会侧重于经典的理论,但翻阅到后半部分,关于MIMO(多输入多输出)和近年来新兴的一些信道估计技术,作者依然给出了清晰且前沿的概述。它没有陷入到过于复杂的矩阵代数中去,而是用非常直观的几何视角解释了空时处理的核心思想。对于一个希望快速了解当前通信技术前沿的读者来说,这本书提供了一个绝佳的“导航图”,让你知道哪些领域是重点,哪些概念是必须掌握的基石。它没有把这些新东西包装得神乎其神,而是以一种务实的态度,将其置于经典的香农理论框架下进行讨论,告诉你它们是如何在现有理论的约束下寻求突破的。这让我对未来几年的技术发展方向有了一个更清晰的认知,绝对是一本能陪伴你走过入门到掌握核心技术必备的良驹。
评分这本书的封面设计很抓人眼球,色彩搭配既专业又不失现代感,那种略带磨砂质感的纸张,拿在手里沉甸甸的,立刻就给人一种“干货满满”的期待。我刚翻开目录的时候,就被它清晰的章节划分和紧凑的知识点组织方式所吸引。作者在引入复杂概念时,总能找到一个非常接地气的切入点,比如用生活中的例子来解释香农定理,这对于初学者来说简直是福音。我记得我以前啃别的教材时,常常被那些抽象的数学公式绕晕,但这本书的处理方式是先让你建立起直观的理解,然后再逐步深入到理论的严谨性中。尤其是关于信道编码的部分,图示和推导过程配合得天衣无缝,我感觉自己好像真的在跟着一位经验丰富的工程师学习一样,而不是面对一本冰冷的教科书。它不像有些精简版那样为了追求篇幅而牺牲深度,而是做到了恰到好处的取舍,保留了核心的精髓,剔除了那些过于繁琐的、非入门必须的细枝末节。整体阅读下来,思路非常连贯,没有那种章节之间知识点突然跳跃的突兀感,这对于系统学习数字通信的底层逻辑至关重要。我强烈推荐给那些希望快速而扎实地掌握这门学科脉络的读者。
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