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Design, Modeling, and Optimization of a Mechanically Reconfigurable Smart Reflector Antenna SystemYoon, Hwan-Sik 20 December 2002 (has links)
No description available.
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Tri-Band Ground Station Antenna for Earth Observation SatellitesBaggett, Brian, Parekh, S., Sinyard, David, Chandler, Brian, Morris, R. 10 1900 (has links)
ITC/USA 2013 Conference Proceedings / The Forty-Ninth Annual International Telemetering Conference and Technical Exhibition / October 21-24, 2013 / Bally's Hotel & Convention Center, Las Vegas, NV / The need for increased downlink data rates and bandwidth for Earth Observation (EO) missions is driving mission planners to consider Ka-Band (25.5 to 27.0 GHz) downlinks to replace or augment the existing X-Band (8.025 to 8.400 GHz) services. Future ground stations will be required to support both bands as well as S-Band (2.0-2.3) GHz telemetry and command functions. This paper discusses the inherent tradeoffs in such a design, and proposes an implementation which permits simultaneous data reception in X-Band and Ka-Band, while providing TT&C functionality at S-Band. Analytical and measured data for the implementation are provided.
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