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Digital and analog communication systems

Autor: Leon W Couch
Editora: Upper Saddle River, N.J. : Pearson/Prentice Hall, ©2007.
Edição/Formato   Livro : Inglês : 7th edVer todas as edições e formatos
Base de Dados:WorldCat
Resumo:
"Now in its seventh edition, this classic communication text retains the philosophy and tradition of the preceding editions. The seventh edition covers the latest treatment of digital communication systems. Written as a textbook for junior or senior engineering students, it is also appropriate for an introductory graduate course."--BOOK JACKET.
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Detalhes

Tipo de Documento: Livro
Todos os Autores / Contribuintes: Leon W Couch
ISBN: 0131424920 9780131424920 0132037947 9780132037945
Número OCLC: 70158580
Descrição: xxvii, 751 p. : ill. ; 25 cm.
Conteúdos: 1-1 Historical Perspective 2 --
1-2 Digital and Analog Sources and Systems 5 --
1-3 Deterministic and Random Waveforms 6 --
1-5 Use of a Personal Computer and MATLAB 7 --
1-6 Block Diagram of a Communication System 8 --
1-7 Frequency Allocations 10 --
1-8 Propagation of Electromagnetic Waves 12 --
1-9 Information Measure 16 --
1-10 Channel Capacity and Ideal Communication Systems 18 --
1-11 Coding 19 --
Block Codes 20 --
Convolutional Codes 22 --
Code Interleaving 25 --
Code Performance 25 --
Trellis-Coded Modulation 28 --
1-13 Study-Aid Examples 29 --
2 Signals and Spectra 33 --
2-1 Properties of Signals and Noise 33 --
Physically Realizable Waveforms 34 --
Time Average Operator 35 --
DC Value 36 --
Power 37 --
RMS Value and Normalized Power 39 --
Energy and Power Waveforms 40 --
Decibel 40 --
Phasors 42 --
2-2 Fourier Transform and Spectra 43 --
Properties of Fourier Transforms 46 --
Parseval's Theorem and Energy Spectral Density 48 --
Dirac Delta Function and Unit Step Function 51 --
Rectangular and Triangular Pulses 54 --
Convolution 58 --
2-3 Power Spectral Density and Autocorrelation Function 61 --
Power Spectral Density 61 --
Autocorrelation Function 63 --
2-4 Orthogonal Series Representation of Signals and Noise 65 --
Orthogonal Functions 65 --
Orthogonal Series 67 --
2-5 Fourier Series 68 --
Complex Fourier Series 68 --
Quadrature Fourier Series 70 --
Polar Fourier Series 71 --
Line Spectra for Periodic Waveforms 73 --
Power Spectral Density for Periodic Waveforms 77 --
2-6 Review of Linear Systems 79 --
Linear Time-Invariant Systems 79 --
Impulse Response 79 --
Transfer Function 80 --
Distortionless Transmission 83 --
Distortion of Audio, Video, and Data Signals 84 --
2-7 Bandlimited Signals and Noise 86 --
Bandlimited Waveforms 86 --
Sampling Theorem 87 --
Impulse Sampling and Digital Signal Processing (DSP) 90 --
Dimensionality Theorem 93 --
2-8 Discrete Fourier Transform 94 --
Using the DFT to Compute the Continuous Fourier Transform 95 --
Using the DFT to Compute the Fourier Series 100 --
2-9 Bandwidth of Signals 101 --
3 Baseband Pulse and Digital Signaling 128 --
3-2 Pulse Amplitude Modulation 129 --
Natural Sampling (Gating) 129 --
Instantaneous Sampling (Flat-Top PAM) 133 --
3-3 Pulse Code Modulation 137 --
Sampling, Quantizing, and Encoding 138 --
Practical PCM Circuits 138 --
Bandwidth of PCM Signals 142 --
Effects of Noise 143 --
Nonuniform Quantizing: [mu]-Law and A-Law Companding 147 --
V.90 56-kb/s PCM Computer Modem 151 --
3-4 Digital Signaling 152 --
Vector Representation 153 --
Bandwidth Estimation 155 --
Binary Signaling 156 --
Multilevel Signaling 158 --
3-5 Line Codes and Spectra 160 --
Binary Line Coding 160 --
Power Spectra for Binary Line Codes 163 --
Differential Coding 169 --
Eye Patterns 170 --
Regenerative Repeaters 171 --
Bit Synchronization 173 --
Power Spectra for Multilevel Polar NRZ Signals 176 --
Spectral Efficiency 179 --
3-6 Intersymbol Interference 180 --
Nyquist's First Method (Zero ISI) 182 --
Raised Cosine-Rolloff Nyquist Filtering 183 --
Nyquist's Second and Third Methods for Control of ISI 188 --
3-7 Differential Pulse Code Modulation 188 --
3-8 Delta Modulation 192 --
Granular Noise and Slope Overload Noise 194 --
Adaptive Delta Modulation and Continuously Variable Slope Delta Modulation 197 --
Speech Coding 199 --
3-9 Time-Division Multiplexing 199 --
Frame Synchronization 200 --
Synchronous and Asynchronous Lines 202 --
TDM Hierarchy 206 --
The T1 PCM System 211 --
3-10 Packet Transmission System 213 --
3-11 Pulse Time Modulation: Pulse Width Modulation and Pulse Position Modulation 213 --
4 Bandpass Signaling Principles and Circuits 230 --
4-1 Complex Envelope Representation of Bandpass Waveforms 230 --
Definitions: Baseband, Bandpass, and Modulation 231 --
Complex Envelope Representation 231 --
4-2 Representation of Modulated Signals 233 --
4-3 Spectrum of Bandpass Signals 234 --
4-4 Evaluation of Power 237 --
4-5 Bandpass Filtering and Linear Distortion 240 --
Equivalent Low-Pass Filter 240 --
Linear Distortion 242 --
4-6 Bandpass Sampling Theorem 244 --
4-7 Received Signal Plus Noise 245 --
4-8 Classification of Filters and Amplifiers 246 --
Filters 246 --
Amplifiers 250 --
4-9 Nonlinear Distortion 251 --
4-10 Limiters 256 --
4-11 Mixers, Up Converters, and Down Converters 257 --
4-12 Frequency Multipliers 263 --
4-13 Detector Circuits 265 --
Envelope Detector 265 --
Product Detector 266 --
Frequency Modulation Detector 268 --
4-14 Phase-Locked Loops and Frequency Synthesizers 273 --
4-15 Direct Digital Synthesis 281 --
4-16 Transmitters and Receivers 281 --
Generalized Transmitters 281 --
Generalized Receiver: The Superheterodyne Receiver 283 --
Zero-IF Receivers 287 --
Interference 288 --
4-17 Software Radios 288 --
5 AM, FM, and Digital Modulated Systems 302 --
5-1 Amplitude Modulation 303 --
5-2 AM Broadcast Technical Standards 308 --
Digital AM Braodcasting 309 --
5-3 Double-Sideband Suppressed Carrier 310 --
5-4 Costas Loop and Squaring Loop 310 --
5-5 Asymmetric Sideband Signals 312 --
Single Sideband 312 --
Vestigial Sideband 316 --
5-6 Phase Modulation and Frequency Modulation 318 --
Representation of PM and FM Signals 318 --
Spectra of Angle-Modulated Signals 323 --
Narrowband Angle Modulation 328 --
Wideband Frequency Modulation 329 --
Preemphasis and Deemphasis in Angle-Modulated Systems 333 --
5-7 Frequency-Division Multiplexing and FM Stereo 333 --
5-8 FM Broadcast Technical Standards 337 --
Digital FM Braodcasting 337 --
5-9 Binary Modulated Bandpass Signaling 339 --
On-Off Keying (OOK) 339 --
Binary Phase-Shift Keying (BPSK) 343 --
Differential Phase-Shift Keying (DPSK) 345 --
Frequency-Shift Keying (FSK) 345 --
5-10 Multilevel Modulated Bandpass Signaling 352 --
Quadrature Phase-Shift Keying (QPSK) and M-ary Phase-Shift Keying (MPSK) 352 --
Quadrature Amplitude Modulation (QAM) 355 --
OQPSK and [pi]/4 QPSK 358 --
PSD for MPSK, QAM, QPSK, OQPSK, and [pi]/4 QPSK 359 --
Spectral Efficiency for MPSK, QAM, QPSK, OQPSK, and [pi]/4 QPSK with Raised Cosine Filtering 361 --
5-11 Minimum-Shift Keying (MSK) and GMSK 362 --
5-12 Orthogonal Frequency Division Multiplexing (OFDM) 367 --
5-13 Spread Spectrum Systems 372 --
Direct Sequence 373 --
Frequency Hopping 379 --
SS Frequency Bands 379 --
6 Random Processes and Spectral Analysis 397 --
6-1 Some Basic Definitions 398 --
Random Processes 398 --
Stationarity and Ergodicity 399 --
Correlation Functions and Wide-Sense Stationarity 403 --
Complex Random Processes 405 --
6-2 Power Spectral Density 407 --
Wiener-Khintchine Theorem 408 --
Properties of the PSD 411 --
General Formula for the PSD of Digital Signals 415 --
White-Noise Processes 418 --
Measurement of PSD 419 --
6-3 DC and RMS Values for Ergodic Random Processes 420 --
6-4 Linear Systems 422 --
Input-Output Relationships 422 --
6-5 Bandwidth Measures 427 --
Equivalent Bandwidth 427 --
RMS Bandwidth 427 --
6-6 The Gaussian Random Process 429 --
Properties of Gaussian Processes 430 --
6-7 Bandpass Processes 434 --
Bandpass Representations 434 --
Properties of WSS Bandpass Processes 437 --
Proofs of Some Properties 442 --
6-8 Matched Filters 447 --
General Results 447 --
Results for White Noise 449 --
Correlation Processing 454 --
Transversal Matched Filter 455 --
6-10 Appendix: Proof of Schwarz's Inequality 460 --
7 Performance of Communication Systems Corrupted by Noise 476 --
7-1 Error Probabilities for Binary Signaling 477 --
General Results 477 --
Results for Gaussian Noise 479 --
Results for White Gaussian Noise and Matched-Filter Reception 481 --
Results for Colored Gaussian Noise and Matched-Filter Reception 482 --
7-2 Performance of Baseband Binary Systems 483 --
Unipolar Signaling 483 --
Polar Signaling 486 --
Bipolar Signaling 486 --
7-3 Coherent Detection of Bandpass Binary Signals 488 --
On-Off Keying 488 --
Binary-Phase-Shift Keying 490 --
Frequency-Shift Keying 491 --
7-4 Noncoherent Detection of Bandpass Binary Signals 494 --
On-Off Keying 494 --
Frequency-Shift Keying 498 --
Differential Phase-Shift Keying 500 --
7-5 Quadrature Phase-Shift Keying and Minimum-Shift Keying 502 --
7-6 Comparison of Digital Signaling Systems 504 --
Bit-Error Rate and Bandwidth 504 --
Symbol Error and Bit Error for Multilevel Signaling 506 --
Synchronization 507 --
7-7 Output Signal-to-Noise Ratio for PCM Systems 508 --
7-8 Output Signal-to-Noise Ratios for Analog Systems 514 --
Comparison with Baseband Systems 514 --
AM Systems with Product Detection 515 --
AM Systems with Envelope Detection 517 --
DSB-SC Systems 518 --
SSB Systems 519 --
PM Systems 519 --
FM Systems 523 --
FM Systems with Threshold Extension 526 --
FM Systems with Deemphasis 528 --
7-9 Comparison of Analog Signaling Systems 531 --
Ideal System Performance 531 --
8 Wire and Wireless Communication Systems 551 --
8-1 The Explosive Growth of Telecommunications 551 --
8-2 Telephone Systems 552 --
Historical Basis 552 --
Modern Telephone Systems and Remote Terminals 553 --
8-3 Digital Subscriber Lines (DSL) 559 --
G.DMT and G.Lite Digital Subscriber Lines 560 --
Video On Demand (VOD) 562 --
Integrated Service Digital Network (ISDN) 562 --
8-4 Capacities of Public Switched Telephone Networks 565 --
8-5 Satellite Communication Systems 565 --
Digital and Analog Television Transmission 570 --
Data and Telephone Signal Multiple Access 572 --
Satellite Radio Broadcasting 577 --
8-6 Link Budget Analysis 579.
Responsabilidade: Leon W. Couch II.

Resumo:

"Now in its seventh edition, this classic communication text retains the philosophy and tradition of the preceding editions. The seventh edition covers the latest treatment of digital communication systems. Written as a textbook for junior or senior engineering students, it is also appropriate for an introductory graduate course."--BOOK JACKET.

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