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Interference of Sea Surface Echo and Rain Echo Observed by a Real Aperture Airborne Imaging Radar
Kenji NAKAMURA Toshiaki KOZU Seiho URATSUKA
IEICE TRANSACTIONS on Communications
Publication Date: 1996/06/25
Print ISSN: 0916-8516
Type of Manuscript: Special Section PAPER (Special Issue on Weather Radar Technology)
SLAR, rain, aircraft,
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Rain over ocean was observed by a real aperture microwave imaging radar. The radar has a function to record the received power on hit-by-hit base. Since the imaging radar has a wide beam in a plane perpendicular to the flight direction, rain echo and sea surface echo are overlapped in some range gates. In the overlapped range gates, a short-term received power fluctuations appeared. The correlation time of the fluctuation is shorter than those of rain and sea surface echoes. This fluctuation is thought to be due to an interference between rain and sea surface echoes. A computer simulation supports this speculation.