The Venus Radar Mapper (VRM) mission will observe the planet Venus at microwave frequencies in three simultaneous modes: Synthetic Aperture Radar (SAR or 'imaging') mode, an altimeter mode, and a radiometer mode. Mission constraints require that the radar system operates from a highly elliptical orbital geometry, for which there exists little previous flight experience. A multimode radar system has been designed to accommodate this new constraint. In addition, cost and data rate considerations prompted several novel approaches to subsystem design. The nominal mission will last one full Venusian rotation or 243 days. This paper will describe the science objectives, mission constraints, radar system design, flight hardware, and ground processing methods.
The Venus Radar Mapper: Radar system design for highly elliptical orbits
Das Venus Radarabbildungssystem: Radarsystementwicklung fuer extrem elliptische Umlaufbahnen
1984
5 Seiten, 2 Tabellen, 1 Quelle
Conference paper
English
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