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三角板角反射器在RCS定标测试中的应用

, PP. 220-224

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Abstract:

对三角板角反射器的散射特性进行分析,提出了其在单站及收发分离单站RCS(RadarCrossSection)定标测试中的应用方案.三角板角反射器后向散射方向图的主瓣部分很宽且很平缓,并具有较强的方位稳定性,适用于较大RCS目标的单站定标测试.但在收发分离的单站RCS定标测试系统中,发射馈源与接收馈源间存在一个小双站角,这会使得三角板角反射器散射方向图的主瓣部分急剧下降,并呈现较强的纹波,从而无法利用其进行精确定标.而其散射方向图的某一旁瓣部分,在存在小双站角时的变化不大,且同样具有较强的方位稳定性,故可利用旁瓣峰值作为收发分离单站RCS测试中的定标参考点.

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