空馈式雷达目标模拟误差分析方法研究

Research on Analysis Method of Space Radiation Radar Target Simulation Error

空馈式雷达目标模拟器在检验雷达性能方面发挥着不可替代的作用,同时由于模拟目标误差建模复杂,难以定量表征其误差特性。针对模拟目标距离和角度误差分析问题,建立了基于站心坐标系下模拟目标误差的数学模型,给出了模拟目标不同仰角下的距离和角度误差,并通过仿真分析了模拟目标距离和角度误差变化情况和影响误差的因素。结果表明,该误差分析方法能够为基于模拟器的雷达外场试验提供有力的支撑。

Space radiation radar target simulator plays an important role in radar field test,but it has the problem that the er-ror model is hard to build and describe the error characteristics.In order to analysis simulation target range and angle error,the pa-per presentes an mathematic model based on the station center coordinate system,and gives the rang and angle error when the eleva-tion angle is different,demonstrates the error change pattern and influence factor.It shows that the error analysis method can pro-vide strong support by target simulator in radar field test.