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Statistical Property and Signal Processing of Received Wave of Subsurface Radar
Kihachiro TAKETOMI Yasumitsu MIYAZAKI
IEICE TRANSACTIONS on Communications
Publication Date: 1993/10/25
Print ISSN: 0916-8516
Type of Manuscript: Special Section PAPER (Special Issue on Radar Technology)
Category: Subsurface Radar
subsurface radar, Weibull distribution, radar signal processing, Log/CFAR,
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This paper proposes that the statistical property of the wave form obtained by a pulse type subsurface radar follows the Weibull probability density distribution. The shape parameter of this distribution is related to the underground condition. By using the shape parameter, we calculated the statistical variance. The ratio of the variance of target area to that of non-target area in invisible medium is evaluated for the effect of the radar signal processing. Over 20dB improvement, for example, can be obtained by means of Log/CFAR processing. It made clear that the cell size of processing should be selected the length corresponding to self-correlation.