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内容简介
本书为国外高校电子信息类优秀教材（英文影印版）之一。
本书介绍了电子通信的重点概念，包括幅度调制的传输，幅度调制的接收，单边带通信，频率调制的传输，频率调制接收，通信技术，数字通信中的译码，数字通信的传输，网络通信，传输线，电磁波传播，天线，波导和雷达，微波和激光，电视，光纤。书中每一章都有一部分Electronic Workbench Multisim介绍一个重要的通信概念。
本书可作为通信专业本科生教材，也可作为相关领域工程技术人员的参考书。 | |
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目录
1 Radio Frequency Amplifiers
1-1 Impedance Review
1-2 Series Resonance
1-3 Circuit Q and Bandwidth
1-4 Parallel Resonance
1-5 Small-Signal RF Amplifier Analysis
1-6 Small-Signal RF Amplifier Design
1-7 Coupling Tuned Circuits
1-8 Nonideal Transformer Coupling
1-9 Double-Tuned Circuits
1-10 Laplace Transforms
1-11 Computer Analysis
2 Oscillators
2-1 Hartley Oscillator Circuit Analysis
2-2 Colpitts Oscillator
2-3 Clapp Oscillator
2-4 Tuned-Input/Tuned-Output Oscillator
2-5 Untuned Oscillators
2-6 Oscillator Stability and Spectral Purity
2-7 Crystals and Crystal Oscillators
2-8 Pierce Crystal Oscillator
2-9 Computer Analysis
3 Signal Spectra
3-1 Fourier Series and Signal Analysis
3-2 Fourier Transforms
3-3 Effect of Filters on Signals
3-4 Harmonic and Phase Distortion
3-5 Nondeterministic Signals
3-6 Computer Analysis
4 Elements of Noise
4-1 System Noise Sources
4-2 Noise Spectral Density and Circuit Calculations
4-3 Noise and Feedback
4-4 System Noise Figure
4-5 Noise Temperature
4-6 Noise Bandwidth
4-7 Correlation and Noise
4-8 Computer Analysis
5 Modulation and Amplitude-Modulation Systems
5-1 Communications Systems
5-2 Voice Transmission and Multiplexing
5-3 Modulation
5-4 AM Spectrum and Bandwidth
5-5 Power in an AM Signal
5-6 Nonsinusoidal Modulation Signals
5-7 AM Demodulation
5-8 AM Receiver Systems
5-9 Superheterodyne Receivers for AM
5-10 Receiver Gain and Sensitivity
5-11 Power Level in dBm and dBW
5-12 AGC and Dynamic Range
5-13 Receiver Noise
5-14 Signal-to-Noise Ratio(S/N)
5-15 Derivation of the Noise Figure Equation
5-16 Bandwidth Improvement
5-17 Bandwidth Narrowing
5-18 Computer Analysis
6 Transmitter Circuits
6-1 Power Amplifiers
6-2 Neutralization
6-3 Integrated Circuit,RF Power Amplifiers
6-4 Impedance-Matching Networks
6-5 AM Modulator Circuits
6-6 Computer Analysis
7 Receiver Circuits
7-1 Low-Noise Amplifiers(LNAs)
7-2 Mixers
7-3 Tuning the Standard Broadcast Receiver
7-4 Filter Requirements for Interference Control and Selectivity
7-5 Filter Circuit Design
7-6 IF Amplifiers
7-7 AGC Circuits
7-8 The Audio System
7-9 Distortion and Feedback
7-10 Computer Analysis
8 Sideband Systems
8-1 Vestigial Sideband
8-2 Double Sideband/Suppressed Carrier
8-3 Balanced Modulator
8-4 Product Detector
8-5 Phase Distortion in the Demodulation of Suppressed-Carrier Systems
8-6 Single Sideband/Suppressed Carrier
8-7 Frequency-Division Multiplexing in Telephone Systems
8-8 Quadrature Multiplexing
8-9 Costas Loop for Suppressed-Carrier Demodulation
8-10 Computer Analysis
9 Frequency and Phase Modulation
9-1 Frequency Modulation
9-2 Phase Modulation
9-3 Advantages of PM over FM
9-4 FM Transmitter Circuits
9-5 Frequency Stability and AFC
9-6 FM Receivers
9-7 Noise Performance
9-8 Stereo FM
9-9 Computer Analysis
10 Phase-Locked Loops
10-1 Loop Components
10-2 Basic Loop Behavior
10-3 Loop Frequency Response and Bandwidth
10-4 FM and FSK Applications of PLLs
10-5 Noise
10-6 Improving Loop Response
10-7 Phase-Locked Loop Compensation
10-8 Frequency Synthesizers
10-9 Coherent Receivers:Phase-Locked Loop,Acquisition,and Pull-In Frequency Range
10-10 Computer Analysis
11 Pulse and Digital Modulation
11-1 Sampled Data and the Sampling Theorem
11-2 Pulse Amplitude Modulation-Natural and Flat-Top Sampling
11-3 Pulse Width and Pulse Position Modulation(PWM & PPM)
11-4 Digital Modulation
11-5 Quantization Noise
11-6 ualitative Comparisons of Pulse and Digital Modulation Systems
11-7 Computer Analysis
12 Digital Communication Concepts
12-1 Digital Information
12-2 Information Transfer Rate
12-3 Signaling (Baud) Rate
12-4 System Capacity
12-5 Bandwidth Considerations
12-6 Power in Digital Signals
12-7 PCM System Analysis
12-8 PCM Telephone Circuitry
12-9 Computer Analysis
13 Data Communication Techniques
13-1 Standard Digital Codes
13-2 Error Detection
13-3 Noise and Data Errors
13-4 Intercomputer Communications
13-5 Serial-Transmission Interfacing
13-6 Carrier Systems and Modems
13-7 Synchronous Communication Techniques
13-8 Open System Interconnect and ISDN
13-9 Computer Analysis
14 Transmission Lines and Waveguides
14-1 Transmission Lines
14-2 Sinusoidal Signals as Traveling Waves
14-3 The Smith Chart
14-4 Impedance-Matching Techniques
14-5 S-Parameters
14-6 Microstrip Amplifier Design
14-7 Saveguides
14-8 Directional Couplers
14-9 Computer Analysis
15 Antennas and Radiowave Propagatino
15-1 Antenna Radiation
15-2 Received Power and Electric Field Strength
15-3 Dipole(Hertz)Antenna
15-4 Directivity,Gain,and Aperture
15-5 Beamwidth
15-6 The Grounded Vertical(Marconi)Antenna
15-7 Television Antennas and Arrays
15-8 The Folded Dipole
15-9 Turnstiles,Yagis,and Other Arrays
15-10 Loop Antennas
15-11 Parabolic Dish Antennas
15-12 Wave Propagation Through Space
15-13 Power Loss in Space
15-14 Computer Analysis
16 Basic Television
16-1 Overview:Studio to Viewer
16-2 Frequency Allocations
16-3 TV Cameras
16-4 The Scan Raster and Synchronizing Signals
16-5 Video Banwidth and Resolution
16-6 Transmitted Video and Audio Signals
16-7 Black-and-White TV Receivers
16-8 Color Television
16-9 High-Definition Television
17 Digital Radio and Space Communicatino
17-1 Modems and Digital Modulation Techniques
17-2 Noise and Error Rate Performance
17-3 Space and Frequency Diversity
17-4 System Gain,Power,and Noise Budgets
17-5 Satellite Access for Global Networking
17-6 Spread Specytrum Systems
17-7 Multiple Access Cellular Systems
17-8 Digital Modulation in Wireless Cellular and Personal Communication Systems
17-9 RF Receiver and Transmitter System Considerations
17-10 RF Integrated Circuits and Transceivers for Digital Communications
17-11 Computer Analysis
18 Fiber-Optic Communication
18-1 The Optical Fiber Communication Link
18-2 Light
18-3 Light Propagation in Glass Fibers
18-4 Transmitter Deviecs and Circuits
18-5 Recciver Devices and Circuits
18-6 Transmission Technology
18-7 Fiber-Optic Data-Link Analysis
18-8 Fiber-Optic Communication Applications
18-9 Computer Analysis
Appendices
Appendix A Introducing the Impulse Function
Appendix B Filter Attenuation Curves
Appendix C Feedback Analysis for a Transconductance Amplifier
Appendix D Derivation fo Frequency Response for PLLs
Appendix E Communications Software
Appendix F Abbreviations and Acronyms
Answers to Selected Problems
Index
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