Tabla de Contenidos:
  • ALTERNATIVES FOR MILITARY SPACE RADAR; ALTERNATIVES FOR MILITARY SPACE RADAR ; CONTENTS; PREFACE; ALTERNATIVES FOR MILITARY SPACE RADAR; SUMMARY; Space Radar's Operations and Intended Missions; Issues in Designing a Space Radar System; Design Trade-Offs; Key Technological Challenges; Alternative Space Radar Architectures; Costs of the Alternative Space Radar Systems; Performance Comparison of the Alternative Architectures; SAR Performance; Access; Response Time; Coverage; GMTI Performance; Access; Coverage; Mean Track Life; Performance against Mobile Missile Launchers.
  • Data Processing and Communications Bandwidth1. INTRODUCTION; Space Radar's Intended Missions; Synthetic Aperture Radar Imaging; Ground Moving-Target Indication; High-Resolution Terrain Information and Open-Ocean Surveillance; CBO's Analytic Approach; 2. PAST AND PRESENT SAR AND GMTI PLATFORMS; Previous SAR Spacecraft; BOX 2-1. RADAR BANDS; Current SAR Spacecraft; Designs for Planned SAR Spacecraft; Airborne SAR and GMTI Systems; Discoverer II GMTI Program; 3. DESIGN TRADES, KEY TECHNOLOGIES, AND ALTERNATIVE ARCHITECTURES FOR SPACE RADAR; Trade-Offs in Designing a Space Radar System.
  • Orbital Altitude and InclinationBenefits and Drawbacks of Various Altitudes; Potential Problems with Medium Earth Orbits; The Role of Inclination; Radar Antenna: Electronically Steered Array or Reflector?; Radar Frequency; Challenges Posed by Key Technologies; Satellite Power; Radar Bandwidth; GMTI Signal Processing; Communications Bandwidth; The Alternative Architectures Analyzed in This chapter; BOX 3-1. THE WALKER NOTATION SYSTEM FOR SATELLITE CONSTELLATIONS; Costs of the Alternatives; 4. PERFORMANCE COMPARISON OF ALTERNATIVE ARCHITECTURES FOR SPACE RADAR; SAR Imaging Performance.
  • SAR AccessSAR Response Time; SAR Coverage; GMTI Performance; GMTI Access; GMTI Response Time; GMTI Coverage; Mean Track Life for Individual Targets; Performance against Mobile Missile Launchers; Data Processing and Communications Bandwidth; SAR Data Rates; GMTI Data Rates; APPENDIX A. COST ESTIMATES FOR THE ALTERNATIVE SPACE RADAR SYSTEMS IN CBO'S ANALYSIS; A Summary of the Alternatives and Their Costs; CBO's Estimating Methods; Research and Development Costs; Procurement Costs; Payload; Spacecraft; Integration and Assembly; Ground Equipment; Launch Vehicle; Program Management.
  • Operations CostsSatellite Operations; Tasking, Processing, Exploitation, and Dissemination; Sustaining Engineering; Replacement Space Radars and Launch Vehicles; APPENDIX B. SAR AND GMTI ANALYSIS METHODOLOGIES; SAR Analysis Methodology; GMTI Analysis Methodology; GLOSSARY; End Notes; TRANSFORMATIONAL SATELLITE AND SPACE RADAR CHALLENGES; RESULTS IN BRIEF; CONCLUSION; RECOMMENDATION FOR EXECUTIVE ACTION; SCOPE AND METHODOLOGY; ENCLOSURE I: COMMENTS FROM THE DEPARTMENT OF DEFENSE; ENCLOSURE II: SPACE RADAR BRIEFING SLIDES; Space Radar; Briefing Contents; BACKGROUND.