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宽波束双基地高频雷达海杂波谱特性研究

DOI: doi:10.3969/j.issn.10067043.2010.12.003

Keywords: 双基地高频雷达, 双基地海杂波, 双基地海面RCS, 宽波束

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Abstract:

双基地角在杂波单元内的连续变化导致宽波束双基地高频雷达的海杂波谱不同于窄波束.为了揭示这种差异,在Gill和Walsh窄波束双基地海面雷达散射截面积(RCS)基础上,提出了宽波束双基地海面RCS模型;结合高频地波雷达方程,得到宽波束双基地海杂波功率谱密度模型,通过仿真计算得到海杂波谱的具体形态.理论分析和仿真结果表明,在发射机附近以及基线附近的雷达探测区域,宽波束海杂波谱具有明显的展宽效应.

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