Computer Science – Performance
Scientific paper
Dec 1998
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998spie.3498...82h&link_type=abstract
Proc. SPIE Vol. 3498, p. 82-93, Sensors, Systems, and Next-Generation Satellites II, Hiroyuki Fujisada; Ed.
Computer Science
Performance
Scientific paper
Millimeter-wave radiometry of the earth's surface from Low Earth Orbit (LEO) with a resolution of a few km requires antenna apertures several meters across and sub-second scanning times. Fulfilling these requirements with a mechanically scanned real-aperture antenna presents formidable mechanical challenges. An attractive alternative described here is to use synthetic aperture techniques employing a sparse-array of antennas that trade the mechanical complexity of real-aperture imaging for the electrical complexity of synthetic aperture imaging. We present results of an ESA- sponsored study aimed at seeking the optimum technique for high performance synthetic aperture mm-wave radiometry from LEO.
Bara Javier
Camps Adriano
Corbella Ignasi
Greenaway Alain H.
Harvey Andrew R.
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