Page 10 - Satellite Communications, Fourth Edition
P. 10
Dennis Roddy vi
8.4 Community Antenna TV System 244
8.5 Transmit-Receive Earth Stations 246
8.6 Problems and Exercises 250
References 251
Chapter 9. Analog Signals 253
9.1 Introduction 253
9.2 The Telephone Channel 253
9.3 Single-Sideband Telephony 254
9.4 FDM Telephony 256
9.5 Color Television 258
9.6 Frequency Modulation 265
9.6.1 Limiters 266
9.6.2 Bandwidth 266
9.6.3 FM detector noise and processing gain 269
9.6.4 Signal-to-noise ratio 272
9.6.5 Preemphasis and deemphasis 273
9.6.6 Noise weighting 274
9.6.7 S/N and bandwidth for FDM/FM telephony 276
9.6.8 Signal-to-noise ratio for TV/FM 278
9.7 Problems and Exercises 279
References 281
Chapter 10. Digital Signals 283
10.1 Introduction 283
10.2 Digital Baseband Signals 283
10.3 Pulse Code Modulation 288
10.4 Time-Division Multiplexing 292
10.5 Bandwidth Requirements 293
10.6 Digital Carrier Systems 296
10.6.1 Binary phase-shift keying 298
10.6.2 Quadrature phase-shift keying 300
10.6.3 Transmission rate and bandwidth for PSK modulation 302
10.6.4 Bit error rate for PSK modulation 303
10.7 Carrier Recovery Circuits 309
10.8 Bit Timing Recovery 310