NASA NTRS · 19900009945
Synthetic Aperture Interferometric Radiometer (SAIR)
Abstract
The aperture size requirements of imaging microwave radiometers in geosynchronous orbit ruled out filled aperture antenna systems below 10 GHz. In the regions 10 to 30 GHz, filled apertures are only marginally practical. The size requirements in turn aggravate the problems with a mechanically steered antenna beam. Both the aperture size and steering problems are resolved with a synthetic aperture interferometric radiometer (SAIR). The SAIR imaging is discussed, along with the requirements of the two-dimensional antenna elements.
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Ruf, C. S.. 1989-07-01. Synthetic Aperture Interferometric Radiometer (SAIR). https://ntrs.nasa.gov/citations/19900009945
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