| Preface | p. xiii |
| Acknowledgments | p. xv |
| Telemetry System Definition | p. 1 |
| Learning Objectives | p. 1 |
| Telemetry System Overview | p. 1 |
| Data Collection System | p. 4 |
| Multiplex System | p. 5 |
| FDM System | p. 5 |
| PCM Time Division Multiplexing | p. 9 |
| Combination of FDM and TDM | p. 12 |
| Modulator, Transmitter, and Antenna | p. 12 |
| FM/FM | p. 12 |
| PCM/FM Generation | p. 12 |
| Hybrid Systems: PCM/FM + FM/FM, PCM/FM/FM | p. 12 |
| Transmission or Waveform Channel | p. 13 |
| Antenna, RF Receiver: RF and IF Amplifiers, Carrier Demodulator | p. 15 |
| Demultiplex System | p. 15 |
| Frequency Division Demultiplexing | p. 15 |
| Time Division Demultiplexing | p. 15 |
| Hybrid Systems | p. 16 |
| Data Processing, Handling, and Display | p. 17 |
| Supporting Equipment and Operations | p. 17 |
| Diversity Combining | p. 17 |
| Predetection Recording | p. 18 |
| IRIG Channel Standards | p. 19 |
| Problems | p. 21 |
| References | p. 23 |
| Analog Frequency Modulation | p. 25 |
| Learning Objectives | p. 25 |
| Single-Channel FM | p. 26 |
| Time Domain FM Carrier Model | p. 26 |
| FM Spectrum | p. 27 |
| FM Bandwidth Requirements | p. 28 |
| FM Modulation Implementation | p. 30 |
| FM Demodulation Implementation | p. 31 |
| FM/FM | p. 32 |
| FM/FM Definition | p. 32 |
| IRIG Spectrum Utilization | p. 33 |
| Systems Contaminated With Noise | p. 34 |
| Single-Channel FM | p. 34 |
| FM/FM | p. 35 |
| FM/FM Multiplex Systems | p. 39 |
| PBW Channels | p. 39 |
| CBW Channels | p. 39 |
| Operational Filter Bandwidths | p. 40 |
| Receiver IF Bandwidth | p. 40 |
| Video Filter Bandwidth | p. 40 |
| Development of the FM Noise Model and Signal-to-Noise Ratio | p. 40 |
| Carrier Plus Noise Model | p. 40 |
| Signal-to-Noise Ratios | p. 41 |
| Threshold | p. 44 |
| Threshold Description | p. 44 |
| Threshold Carrier Model and Description | p. 44 |
| Effect of Increasing the IF Bandwidth | p. 45 |
| Transmission Bandwidth Estimation | p. 46 |
| Problems | p. 46 |
| References | p. 48 |
| Design of FM/FM Systems | p. 51 |
| Learning Objectives | p. 51 |
| System Parameters | p. 52 |
| Design procedure | p. 52 |
| Design Examples | p. 56 |
| PBW Channel | p. 56 |
| CBW Channel | p. 64 |
| Threshold | p. 68 |
| Signal-to-Noise Ratio for a Bandpass Filter | p. 68 |
| Threshold Design Margin | p. 69 |
| Changing the Preemphasis Schedule to Utilize Specified IF or Transmission Bandwidth | p. 72 |
| Bandwidth Utilization | p. 72 |
| Design Equations | p. 72 |
| Designing to a Specified Transmission Bandwidth | p. 74 |
| Design Process | p. 74 |
| Designing the Preemphasis Schedule for Different Values for the D[subscript si]'s | p. 77 |
| Design Equations and Procedure | p. 77 |
| Example 7 | p. 78 |
| Summary of the Results for Example 7 | p. 79 |
| Designing the Preemphasis Schedule for the Minimum Transmission Bandwidth With Equal D[subscript si]'s (Concurrent All-Channel Dropout) | p. 79 |
| Design Equations and Procedure | p. 80 |
| Example 8 | p. 81 |
| Summary of Examples 6 and 8 | p. 83 |
| Designing the Preemphasis Schedule for All-Channel Dropout and Unequal D[subscript si]'s | p. 83 |
| Example 9 | p. 84 |
| Designing the Preemphasis Schedule for Different Specified Signal-to-Noise Ratios in the Channels | p. 85 |
| Example 10 | p. 86 |
| Hardware Implementation of the Preemphasis Schedule | p. 87 |
| Example 11 | p. 87 |
| Summary of Design Procedures | p. 88 |
| IRIG B[subscript IF] Specifications | p. 89 |
| Preliminary Problems | p. 89 |
| Regular Design Problems | p. 91 |
| References | p. 100 |
| Pulse Code Modulation (PCM) | p. 101 |
| Learning Objectives | p. 102 |
| Quantization and Analog-to-Digital Conversion | p. 102 |
| Quantization Errors | p. 102 |
| Hardware Implementation of Quantizers and Analog Converters | p. 103 |
| Line Coding or Transmission Format | p. 106 |
| Line Code Formats | p. 106 |
| Characteristics of the NRZ and Bi[phi] Line Codes | p. 108 |
| Delay Modulation Code Characteristics | p. 109 |
| Power Spectrum | p. 109 |
| Frame Design and Creation | p. 111 |
| Frame Design | p. 111 |
| Frame Creation | p. 113 |
| Frame Synchronization | p. 116 |
| False Lock | p. 117 |
| Subframe Synchronization | p. 117 |
| Minor Frame Sync Word Complement | p. 117 |
| Recycle Subframe Synchronization | p. 118 |
| Identification Subframe Synchronization | p. 118 |
| IRIG Specifications Overview | p. 119 |
| IRIG Fixed Format, Type I | p. 119 |
| IRIG Type II | p. 120 |
| Problems | p. 120 |
| References | p. 122 |
| PCM/FM | p. 123 |
| Learning Objectives | p. 123 |
| PCM/FM | p. 123 |
| Time Waveform | p. 124 |
| PCM/FM Spectrum | p. 125 |
| PCM/FM Bandwidth | p. 125 |
| PCM/FM Overview | p. 128 |
| PCM/FM Transmitter System | p. 128 |
| PCM/FM Receiving System | p. 129 |
| BER in a PCM/FM System | p. 131 |
| BER in Terms of System Parameters | p. 131 |
| Comparison of PCM/FM and Noncontinuous PCM/FM | p. 134 |
| BER as a Function of Bit Rate | p. 135 |
| Bit Synchronizer Performance | p. 135 |
| PCM/FM Example 1 | p. 137 |
| PCM/FM System Design | p. 138 |
| Setting the PCM/FM Transmission and Receiver System Operating Parameters in Terms of the Bit Rate for NRZ | p. 138 |
| Design of PCM/FM for Bi[phi] (Manchester) | p. 139 |
| BER | p. 139 |
| Setting System Parameters for a Minimum BER for Bi[phi] | p. 140 |
| Signal-to-Noise Ratio for PCM, Including Quantization and Bit Error Noise | p. 141 |
| Actual PCM/FM Spectrum | p. 143 |
| Problems | p. 147 |
| References | p. 148 |
| Binary Phase Shift Keying, Pulse Code Modulation/Phase Modulation | p. 149 |
| Learning Objectives | p. 149 |
| Binary Phase Shift Keying Model | p. 150 |
| BPSK Generation | p. 152 |
| BPSK Detection by a Correlation Receiver | p. 152 |
| No Noise | p. 153 |
| With Noise | p. 155 |
| Maximum Likelihood Detection | p. 156 |
| Bit Errors | p. 157 |
| Bit Error Probability in Terms of N[subscript o] and E[subscript b] | p. 158 |
| BPSK Modulation | p. 159 |
| BPSK in General | p. 159 |
| Model for General BPSK | p. 160 |
| Actual Receiving Hardware | p. 161 |
| The Receiver | p. 161 |
| The Bit Synchronizer and Matched-Filter Implementation | p. 162 |
| Comparison of BERS for BPSK and PCM/FM | p. 163 |
| Q-Function | p. 165 |
| BPSK Power Spectral Density | p. 165 |
| Spectrum in a Practical System | p. 165 |
| Overall Comparison Between PCM/FM and BPSK | p. 166 |
| BER | p. 166 |
| Transmission Bandwidth | p. 166 |
| Hardware Considerations | p. 167 |
| General PM Modulation | p. 167 |
| Comparison of PM and FM Modulation | p. 168 |
| FM Modulation Employing a PM Modulator | p. 169 |
| Hardware to Achieve FM With a PM Modulator | p. 169 |
| Differential Phase Shift Keying (DPSK) | p. 171 |
| Problems | p. 173 |
| References | p. 175 |
| Synchronization | p. 177 |
| Learning Objectives | p. 178 |
| Functions of the Bit Synchronizer | p. 178 |
| Bit Detector Function | p. 179 |
| Clock Extractor Function | p. 179 |
| Data Formatter Function | p. 179 |
| Control Signals | p. 179 |
| Hardware Block Implementation | p. 179 |
| Bit Detector Implementation | p. 179 |
| Clock Extractor Implementation | p. 180 |
| Frame Synchronizer | p. 184 |
| Synchronization Steps | p. 184 |
| Digital Correlator | p. 185 |
| Demultiplexer | p. 186 |
| Problems | p. 188 |
| Reference | p. 189 |
| Hybrid Systems: PCM/FM + FM/FM and PCM/FM/FM | p. 191 |
| Learning Objectives | p. 191 |
| PCM/FM + FM/FM System Design | p. 191 |
| Filter Specification | p. 193 |
| Interference | p. 193 |
| Impact of the Interference on the FM/FM Channels Output [S/N][subscript o] | p. 196 |
| Signal-to-Noise Ratios for Composite Modulation | p. 198 |
| Carrier Deviation by the PCM Sequence and the Highest Frequency Subcarrier | p. 199 |
| Impact of the Subcarriers on the BER of the Bit Sequence | p. 199 |
| PCM/FM + FM/FM Design Example | p. 199 |
| Constant Bandwidth Channels | p. 200 |
| PCM/FM/FM | p. 205 |
| Selecting the Subcarriers for FM/FM | p. 206 |
| Selecting the PCM Subcarrier Channel | p. 206 |
| FM/FM Preemphasis Design | p. 207 |
| Designing for the Output Signal-to-Noise in the PCM Channel | p. 207 |
| PCM/FM/FM Design Example | p. 208 |
| Problems | p. 211 |
| PCM/FM/FM Design Problems | p. 212 |
| References | p. 214 |
| Convolutional Coding for Forward Error Correction | p. 215 |
| Learning Objectives | p. 216 |
| Hamming Distance | p. 216 |
| Convolutional Encoding | p. 216 |
| Two-Stage Encoder | p. 217 |
| Convolutional Code Trellis | p. 218 |
| Free Distance of a Convolutional Code | p. 220 |
| Code Vectors | p. 220 |
| Decoding | p. 221 |
| Viterbi Decoding | p. 222 |
| Detection Decisions | p. 224 |
| Hard Decisions | p. 225 |
| Soft Decisions | p. 226 |
| Coding Gains and BERS | p. 227 |
| Asymptotic Coding Gain | p. 228 |
| Hardware Implementation | p. 229 |
| Comparison of Coded and Uncoded Systems | p. 229 |
| Relationship Between the Parameters of Coded and Uncoded Systems | p. 229 |
| Example: Design a Binary PSK System | p. 232 |
| Coded PCM/FM | p. 233 |
| Hardware Decoder Implementation for PCM/FM | p. 234 |
| Problems | p. 234 |
| References | p. 236 |
| IRIG Specifications | p. 237 |
| Frame Synchronization Words | p. 243 |
| Glossary | p. 245 |
| About the Author | p. 247 |
| Index | p. 249 |
| Table of Contents provided by Syndetics. All Rights Reserved. |
