Publication IEICE TRANSACTIONS on CommunicationsVol.E83-BNo.9pp.1978-1982 Publication Date: 2000/09/25 Online ISSN: DOI: Print ISSN: 0916-8516 Type of Manuscript: Special Section PAPER (Special Issue on Advances in Radar Systems) Category: Keyword: Weibull distribution, K-distribution, X-band radar, AIC,
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Summary: In order to observe temporal distribution of sea clutter, radar echoes were taken from high sea state 7 at a fixed azimuth angle of 317. It is shown that the sea-clutter amplitudes obey the Weibull distribution at a grazing angle of 3.9, and obey both the Weibull distribution and K-distribution at grazing angles of 7.5 and 61.4. As the grazing angle increases, the shape parameters of Weibull distribution and K-distribution increase with both the distributions themselves tending to be closer to the Rayleigh distribution.