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The DESDynI synthetic aperture radar array-fed reflector antenna

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15 Author(s)
Chamberlain, N. ; Jet Propulsion Lab., California Inst. of Technol., Pasadena, CA, USA ; Ghaemi, H. ; Giersch, L. ; Harcke, L.
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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 large-aperture 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.

Published in:

Phased Array Systems and Technology (ARRAY), 2010 IEEE International Symposium on

Date of Conference:

12-15 Oct. 2010

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