12 August 2004 Spatial statistical characteristics of land and development of radar clutter maps
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Abstract
Land spatial statistical characteristics obtained experimentally and from the topographical maps are analyzed. It is shown that the probability density function of backscattered signal is determined by the temporal fluctuations and the spatial fluctuations because of scattered areas replacement. The experimental spatial statistical characteristics of micro-scale roughness (rms height, the slope distributions, and autocorrelation functions) are presented. It was shown that for mathematical description of surface for different fields it is better to use the fractal process. The spatial statistics of land backscattering for surfaces without vegetation is determined by the distributions of surface local slopes. The roughness height and slope distributions for different terrain types are presented that are obtained from electronic topographical maps. The method of clutter map development is analyzed, it is shown its great dependence on radar and target heights.
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Gennadiy P. Kulemin, Gennadiy P. Kulemin, Evgeniy V. Tarnavsky, Evgeniy V. Tarnavsky, } "Spatial statistical characteristics of land and development of radar clutter maps", Proc. SPIE 5410, Radar Sensor Technology VIII and Passive Millimeter-Wave Imaging Technology VII, (12 August 2004); doi: 10.1117/12.538591; https://doi.org/10.1117/12.538591
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