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大坡度水下地形的SAR遥感模拟仿真

DOI: 10.6046/gtzyyg.2003.01.09, PP. 33-37

Keywords: 合成孔径雷达,数值模拟,大坡度,水下地形

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Abstract:

根据星载合成孔径雷达(SAR)的成像机理,建立了浅海水下地形的数学物理模型,提出了利用该模型进行水下地形计算的数值方法.利用该模型和方法对大坡度水下地形进行数值模拟,分析了大坡度水下地形的地形坡度与SAR探测程度的关系,发现在水下地形坡度较大的情况下,SAR可测量水深达100~200m.通过对曾文溪附近海域水下地形的数值模拟,证明了SAR对大坡度水下地形的探测深度.

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