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Study on clutter characteristics of airborne MIMO radar

机译:机载MIMO雷达杂波特性研究

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摘要

This paper builds model of clutter for airborne MIMO radar by transmitting multi-Carrier rectangle pulse signal, then lists the typical clutter spectrum estimator and clutter freedom estimation rule, finally simulates clutter spectrum and clutter characteristics of clutter rank with different transmit frequencies and different error. The analysis results show minimum variance clutter spectrum emerges the clutter with diagonal property in the space-time category. The clutter spectrum spreads and clutter degree of freedom increases because of the fluctuation of clutter and the yaw angle, even blends for airborne MIMO radar, the increase of transmit frequency step degrades the relation of clutter. Based on these studies, we can suppress the clutter more effectively.
机译:本文通过发射多载波矩形脉冲信号建立机载MIMO雷达的杂波模型,然后列出典型的杂波谱估计器和杂波自由度估计规则,最后仿真了不同发射频率和误差的杂波谱和杂波秩的杂波特性。分析结果表明,时空类别中最小方差杂波谱出现具有对角线性质的杂波。由于杂波的波动和偏航角的影响,杂波频谱扩展和杂波自由度增加,即使将其混入机载MIMO雷达中,发射频率步长的增加也会降低杂波的关系。基于这些研究,我们可以更有效地抑制混乱。

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