NASA NTRS · 20150008522
The DESDynI Synthetic Aperture Radar Array-Fed Reflector Antenna
Abstract
DESDynI is a mission being developed by NASA with radar and lidar instruments for Earth-orbit remote sensing. This paper focuses on the design of a largeaperture antenna for the radar instrument. The antenna comprises a deployable reflector antenna and an active switched array of patch elements fed by transmit/ receive modules. The antenna and radar architecture facilitates a new mode of synthetic aperture radar imaging called 'SweepSAR'. A system-level description of the antenna is provided, along with predictions of antenna performance.
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Chamberlain, Neil, Ghaemi, Hirad, Giersch, Louis, Harcke, Leif, Hodges, Richard, Hoffman, James, Johnson, William, Jordan, Rolando, Khayatian, Behrouz, Rosen, Paul, Sadowy, Gregory, Shaffer, Scott, Shen, Yuhsyen, Veilleux, Louise, Wu, Patrick. 2010-10-12. The DESDynI Synthetic Aperture Radar Array-Fed Reflector Antenna. https://ntrs.nasa.gov/citations/20150008522
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