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Joint equalization filters that mitigate waveform-diversity modulation of clutter

机译:联合均衡滤波器,可减轻杂波的波形分集调制

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Moving-target indication radars require advanced signal processing to be able to use pulse-to-pulse waveform diversity. The primary challenge is range-sidelobe modulation (RSM) of clutter. Because range sidelobes differ on each pulse, clutter energy that leaks into range sidelobes cannot be cancelled. We find that higher target SINR can be be obtained by joint design of the pulse-compression filters to obtain impulse responses that match across pulses. The proposed filters can reduce RSM by 5-10 dB compared to low-sidelobe mismatch filters designed separately for each pulse.
机译:运动目标指示雷达需要高级信号处理,才能使用脉冲到脉冲的波形分集。主要挑战是杂波的范围旁瓣调制(RSM)。由于范围旁瓣在每个脉冲上都不同,因此无法消除泄漏到范围旁瓣的杂波能量。我们发现可以通过联合设计脉冲压缩滤波器来获得更高的目标SINR,以获得跨脉冲匹配的脉冲响应。与为每个脉冲单独设计的低旁瓣失配滤波器相比,所提出的滤波器可以将RSM降低5-10 dB。

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