| Nota di contenuto |
-- Foreword xv / /Preface xvii -- Acknowledgments xix -- Contributors xxiii -- Chapter 1 Deep Space Communications: An Introduction 1 /by Joseph H. Yuen -- 1.1 Introduction and Overview 1 -- 1.2 Telecommunications Link Analysis 4 -- 1.2.1 Received Power 4 -- 1.2.2 Noise Spectral Density 5 -- 1.2.3 Carrier Performance Margin 6 -- 1.2.4 Telemetry and Command Performance Margins 6 -- 1.2.5 Ranging Performance Margin 7 -- 1.3 Communications Design Control 8 -- 1.3.1 Design Control Tables 8 -- 1.3.2 Design Procedure and Performance Criterion Selection 9 -- References 12 -- Chapter 2 The Deep Space Network: A Functional Description 15 /by Jim Taylor -- 2.1 Uplink and Downlink Carrier Operation 17 -- 2.1.1 The 34-m BWG Stations 17 -- 2.1.2 The 70-m (DSS-14 and DSS-43) Stations 19 -- 2.2 Radiometric Data (Doppler and Ranging) 21 -- 2.3 Delta Differential One-Way Ranging 24 -- 2.4 Command Processing and Radiation 25 -- 2.5 Telemetry Demodulation and Decoding 28 -- 2.6 DSN Performance 31 -- 2.6.1 Antenna Gain 32 -- 2.6.2 Transmitter Power 33 -- 2.6.3 System Noise Temperature 33 -- 2.6.4 Thresholds and Limits 33 -- References 35 -- Chapter 3 Voyager Telecommunications 37 /by Roger Ludwig and Jim Taylor -- 3.1 Voyager Interstellar Mission Description 37 -- 3.2 Overview of Telecom Functional Capabilities 44 -- 3.2.1 Uplink 46 -- 3.2.2 Downlink 47 -- 3.3 Spacecraft Telecom System Design 48 -- 3.3.1 Spacecraft Telecom System Overview 48 -- 3.3.2 Modulation Demodulation Subsystem 51 -- 3.3.3 Radio Frequency Subsystem 52 -- 3.3.4 S/X-Band Antenna Subsystem 54 -- 3.3.5 Telecom System Input Power and Mass 55 -- 3.4 Telecom Ground System Description 56 -- 3.4.1 Uplink and Downlink Carrier Operation 57 -- 3.4.2 Command Processing 59 -- 3.4.3 Telemetry Processing 59 -- 3.5 Sample Telecom System Performance 60 -- 3.5.1 Design Control Tables 61 -- 3.5.2 Long-Term Planning Predicts 61 -- 3.6 New Spacecraft and Ground Telecom Technology 64 -- 3.6.1 Spacecraft and Telecom Link Design Compared with Previous Missions 64.
3.6.2 Spacecraft Improvements for Uranus and Neptune Encounters 64 -- 3.6.3 Ground System Performance Improvements 65 -- 3.6.4 Ground Display and Operability Improvements 68 -- 3.7 Operational Scenarios of the Voyager Interstellar Mission 69 -- 3.7.1 Tracking Coverage 69 -- 3.7.2 RFS Strategies 70 -- 3.7.3 Spacecraft Fault Protection 72 -- References 74 -- Additional Resources 76 -- Chapter 4 Galileo Telecommunications 79 /by Jim Taylor, Kar-Ming Cheung, and Dongae Seo -- 4.1 Mission and Spacecraft Description 79 -- 4.1.1 The Mission 79 -- 4.1.2 The Spacecraft 82 -- 4.2 Galileo Spacecraft Telecommunications System 86 -- 4.2.1 Galileo Telecommunications Functions and Modes 87 -- 4.2.2 Radio Frequency Subsystem 89 -- 4.2.3 Modulation Demodulation Subsystem 90 -- 4.2.4 S-/X-Band Antenna Subsystem 92 -- 4.2.5 X- to S-Band Downconverter 93 -- 4.2.6 Telecom Hardware Performance during Flight 93 -- 4.2.7 Orbiter Input Power and Mass Summary 96 -- 4.3 Galileo S-Band Mission 98 -- 4.3.1 Overview 98 -- 4.3.2 Ground System Improvements for Galileo S-Band Mission 101 -- 4.3.3 Data Compression 103 -- 4.3.4 Galileo Encoding and Feedback Concatenated Decoding 106 -- 4.4 Telecom Link Performance 110 -- 4.4.1 Design Control Tables 111 -- 4.4.2 Long-Term Planning Predicts 112 -- 4.5 Telecom Operational Scenarios 115 -- 4.5.1 Planned and Actual DSN Coverage 115 -- 4.5.2 Launch Phase 115 -- 4.5.3 Cruise Phase 116 -- 4.5.4 HGA Deployment Attempts 118 -- 4.5.5 Probe Separation, Jupiter Cruise, and Jupiter Orbit Insertion 120 -- 4.5.6 Orbital Operational Phase 121 -- 4.5.7 Solar Conjunction 123 -- 4.5.8 Galileo Europa Mission and Galileo Millennium Mission 125 -- 4.6 Probe-to-Orbiter Relay-Link Design 125 -- 4.6.1 Overview 125 -- 4.6.2 Link Requirements and Design 126 -- 4.6.3 Summary of Achieved Relay-Link Performance 128 -- 4.7 Lessons Learned 129 -- References 131 -- Chapter 5 Deep Space 1 135 /by Jim Taylor, Michela Muñoz Fernández, Ana I. Bolea-Alamañac, and Kar-Ming Cheung.
5.1 Mission and Spacecraft Description 136 -- 5.1.1 Technology Validation 136 -- 5.1.2 Mission Overview 137 -- 5.1.3 Telecom Subsystem Overview 138 -- 5.2 Telecom Subsystem Requirements 139 -- 5.3 Telecom System Description 140 -- 5.4 DS1 Telecom Technology 144 -- 5.4.1 Small Deep Space Transponder (SDST) 144 -- 5.4.2 Ka-Band Solid-State Power Amplifier (KaPA) 147 -- 5.4.3 Beacon Monitor Operations Experiment (BMOX) 149 -- 5.4.4 Telecom System Mass and Input Power 153 -- 5.5 Telecom Ground System Description 153 -- 5.5.1 Uplink and Downlink Carrier Operation 154 -- 5.5.2 Radiometric Data (Doppler and Ranging) 154 -- 5.5.3 Command Processing and Radiation 157 -- 5.5.4 Telemetry Demodulation, Decoding, Synchronization, and Display 158 -- 5.6 Telecom Link Performance 161 -- 5.7 Operational Scenarios 173 -- 5.7.1 Launch 173 -- 5.7.2 Safing 174 -- 5.7.3 Anchor Pass (at HGA Earth Point, High Rate) 174 -- 5.7.4 Midweek Pass (at Thrust Attitude for IPS Operation) 175 -- 5.7.5 High-Gain-Antenna Activity (January / June 2000, March 2001) 176 -- 5.7.6 Solar Conjunction 181 -- 5.7.7 Ka-Band Downlink 183 -- 5.8 Lessons Learned 183 -- 5.8.1 Telecom-Related Lessons Learned 183 -- 5.8.2 Project-Level Lessons Learned 188 -- References 190 -- Additional Resources 192 -- Chapter 6 Mars Reconnaissance Orbiter 193 /by Jim Taylor, Dennis K. Lee, and Shervin Shambayati -- 6.1 Mission Overview 193 -- 6.2 Mission Phases and Orbit Summary 194 -- 6.2.1 Mission Objectives 194 -- 6.2.2 The MRO Spacecraft 195 -- 6.2.3 Mission Phases 196 -- 6.2.4 The MRO Orbit and Its Relay Coverage for Surface Vehicles 204 -- 6.2.5 MRO Orbit Phasing to Support Landing Vehicle EDL 206 -- 6.3 Telecommunications Subsystem Overview 207 -- 6.3.1 X-Band: Cruise and Orbital Operations 207 -- 6.3.2 UHF: Proximity Relay Communications 219 -- 6.3.3 Ka-Band: Operational Demonstration 227 -- 6.4 Ground Data System 227 -- 6.4.1 Deep Space Network 227 -- 6.4.2 Ka-Band Demonstration Requirements 228 -- 6.4.3 Ground Data Network Flow for Relay Data through Electra 229.
6.5 X-Band Telecom Operations 231 -- 6.5.1 Cruise Calibrations 231 -- 6.5.2 MOI Telecom Configurations 231 -- 6.5.3 Aerobraking Telecom Configurations 232 -- 6.5.4 Downlink Telemetry Modulation and Coding 233 -- 6.5.5 Coordinating MRO and MER X-Band Operations 236 -- 6.6 Ka-Band Cruise Verification 240 -- 6.6.1 Ka-Band Operations Overview 240 -- 6.6.2 Ka-Band Link Prediction and Performance during Cruise 240 -- 6.6.3 Ka-Band Communications Demonstration Plans 242 -- 6.6.4 Spacecraft X-Band and Ka-Band Constraints and Operational Factors 243 -- 6.6.5 Delta-DOR X-Band and Ka-Band Operations and Performance 244 -- 6.6.6 Planned Solar Conjunction Experiments 245 -- 6.7 Lessons Learned 246 -- 6.7.1 X-Band 246 -- 6.7.2 Ka-Band 247 -- 6.7.3 UHF 248 -- References 248 -- Chapter 7 Mars Exploration Rover Telecommunications 251 /by Jim Taylor, Andre Makovsky, Andrea Barbieri, Ramona Tung, Polly Estabrook, and A. Gail Thomas -- 7.1 Mission and Spacecraft Summary 252 -- 7.1.1 Mission Objectives 252 -- 7.1.2 Mission Description 253 -- 7.1.3 The Spacecraft 255 -- 7.2 Telecommunications Subsystem Overview 261 -- 7.2.1 X-Band: Cruise, EDL, Surface 261 -- 7.2.2 UHF: EDL, Surface 262 -- 7.2.3 Direct-to-Earth Downlink Capability 263 -- 7.2.4 UHF Relay Capability 263 -- 7.3 Telecom Subsystem Hardware and Software 267 -- 7.3.1 X-Band Flight Subsystem Description 267 -- 7.3.2 UHF 280 -- 7.3.3 MER Telecom Hardware Mass and Power Summary 285 -- 7.4 Ground Systems 285 -- 7.4.1 Deep Space Network 285 -- 7.4.2 Entry, Descent, and Landing Communications 291 -- 7.4.3 Relay Data Flow 296 -- 7.5 Telecom Subsystem and Link Performance 299 -- 7.5.1 X-Band: Cruise, EDL, and Surface 299 -- 7.5.2 UHF: EDL and Primary Mission Surface Operations 322 -- 7.6 Lessons Learned 336 -- 7.6.1 What Could Serve as a Model for the Future 337 -- 7.6.2 What Could Be Improved 344 -- 7.7 Beyond the Extended Mission 355 -- 7.7.1 Spirit 355 -- 7.7.2 Opportunity 356 -- References 356 -- Chapter 8 Mars Science Laboratory 359 /by Andre Makovsky, Peter Ilott, and Jim Taylor.
8.1 Mars Science Laboratory Mission and Spacecraft -- Summary 359 -- 8.1.1 Mission Description 362 -- 8.1.2 Launch/Arrival Period Selection 364 -- 8.1.3 Launch Phase and Initial Acquisition 370 -- 8.1.4 Cruise Phase 381 -- 8.1.5 Approach Phase 384 -- 8.1.6 EDL Phase 385 -- 8.1.7 Flight System Description 400 -- 8.2 Telecom Subsystem Overview 407 -- 8.2.1 Telecom for Launch, Cruise, and into EDL 412 -- 8.2.2 Surface Operations 413 -- 8.2.3 X-Band Flight Subsystem Description 415 -- 8.2.4 UHF Flight Subsystem Description 441 -- 8.2.5 Terminal Descent Sensor (Landing Radar) Description 454 -- 8.2.6 MSL Telecom Hardware Mass and Power Summary 457 -- 8.3 Ground Systems EDL Operations: EDL Data Analysis (EDA) 459 -- 8.4 Telecom Subsystem Link Performance 460 -- 8.4.1 X-Band 460 -- 8.4.2 UHF 474 -- 8.5 Surface Operations (Plans) 481 -- 8.5.1 Mission Operations System Approach 481 -- 8.5.2 Initial Surface Ground Operations 482 -- 8.5.3 Tactical Operations after First 90 Sols 484 -- 8.5.4 UHF Telecom Constraints 484 -- 8.6 Surface Operations (Characterized in Flight) 488 -- 8.6.1 Mitigating the Effects of Electromagnetic Interference 489 -- 8.6.2 Data Volume Achieved with MRO and Odyssey Links 489 -- 8.6.3 Relay Link Models 491 -- References 494 -- Acronyms and Abbreviations 499 -- About the Companion Website 523 -- Index 525.
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Deep space communications / / Jim Taylor, editor
