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Appendix D
Pages 40-46

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From page 40...
... antennas high-power, solid-state transponder systems phased-array antennas up-down transmission technologies, including raindrop compensation wideband (i.e., optical) communications Earth-Based Systems automated and semi-automated processing of image data autonomous ground control development of space systems using nanotechnology image storage and dissemination integrated design systems large-scale information management and simulation low-cost operations paperless designs rapid system prototyping tools using multimedia capabilities verification and validation approaches and databases for commercial offthe-shelf technologies 40
From page 41...
... solid-state avionics use of Global Positioning System for guidance and control Information Technologies artificial intelligence systems automatic fault recovery autonomous systems data compression technologies data fusion digital systems processing distributed functions among spacecraft effective human-machine interfaces high-density, fiber-optic sensor networks high-density, low-cost command and data handling with open architecture high-temperature electronics hundred-fold increase in processing capability integrated vehicle health-monitoring systems low-cost, high-capacity, low-mass, radiation-resistant, solid-state memories neural nets neuro-engineering systems onboard image processing onboard mission planning capability parallel computer processor architectures radiation-hardened electronics sequencing systems system standards to expand software reuse
From page 42...
... organic coatings (instead of hermetically sealed containers) silicon carbide structures · advanced solar power · arc-proof, environmentally durable solar arrays
From page 43...
... APPENDIX D 43 beamed power compact electrical power supplies flywheels high-conversion efficiency, low-mass solar arrays high-efficiency, high-power, low-mass power generating systems high-power sources at millimeter wavelengths higher-energy density batteries integrated energy conversion/energy storage concepts large-capacity energy storage systems large gossamer fresnel lenses for concentrating solar energy lithium ion batteries long life, lighter, cheaper regenerative fuel cells long-term, compact nuclear-electric systems long-term nonphotovoltaic power sources low-cost, high-efficiency solar arrays low-cost power storage devices low-mass, high-capacity, low-cost power storage more efficient long-term solar power conversion nuclear power sources power conversion power management and distribution-on-a-chip smart power-management systems sodium sulfur batteries · solar cells with different bandgap energies with better than 40 percent efficiency · thin-film solar arrays Propulsion antimatter propulsion concentric combustion chamber engine electric propulsion high-energy density matter propulsion high-energy density storable propellants high-performance, less expensive, more producible electric propulsion high thrust-to-weight engines laser propulsion magnetic sail nontoxic storable bipropellants nuclear fusion propulsion nuclear propulsion nuclear-thermal rocket propulsion for 50 kg spacecraft
From page 44...
... 44 Robotics Sensors SPACE TECHNOLOGY FOR THE NEW CENTURY · rockets using native propellants · solar sail · solar-thermal propulsion · tethers for momentum exchange/electromagnetic maneuvering · xenon thrusters curious, autonomous, adaptive probes mobile robots partially self-replicating robots rovers small robots for planetary mining, manufacturing, assembly telerobotics active sensors using synthetic aperture radar and high-frequency microwaves free-flying, synthetic-aperture radars and interferometers high-power local oscillators high-resolution, stereoscopic Earth sensing systems high-sensitivity, room temperature mid-infrared detector arrays highly-integrated, multifunctional atmospheric sounders hyperspectral focal planes infrared interferometer (for planet detection) large-aperture, deployable, optical telescopes with active alignment large-format, low-noise, long-wavelength, direct-detection sensors low-cost, low-power imaging sensors low-mass, low-power radars low-noise heterodyne mixers microcalorimeters for high throughput spectroscopy micro sensors microwave technologies multiband phased arrays multispectral sensors remote sensing signal chain miniaturization smaller autonomous instruments solid-state sensor systems with high spectral and spatial resolution space-based lidars Spacecraft Systems and Electronics · almost monolithic small spacecraft · highly integrated multifunction modules
From page 45...
... multifunctional structures spinning spacecraft (for gravity) structures to reduce vibrations on crowed platforms technologies and processes for deploying "quiet" structures to precise dimensional tolerances · tethers Thermal Control advanced coatings for thermal control and electrostatic discharge control electrochromic radiator surfaces electronics able to function at high temperatures electronics able to function at low temperatures electronics cooling with direct immersion heat pipe graphite/aluminum radiator panels improved heat-rejection technologies long-life cryocoolers low-mass, low-power cryocoolers multichip modules with integral thermal control nuclear heat sources rugged thermal protection for reentry spacecraft that can approach the sun
From page 46...
... 46 Working in Space aerocapture/aerobraking autonomous landing chemical processing of off-Earth resources construction with off-Earth resources lasers for debris shielding/removal lightweight, high-efficiency cryogenic liquefaction long-term cryogenic fluid storage in space planetary surface transportation technologies remote (cryogenic) fluid transfer and handling remote robotic rendezvous, docking, and other operations space traffic management systems structures for planetary surfaces surface/subsurface sample acquisition terraforming technologies SPACE TECHNOLOGY FOR THE NEW CENTURY


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