一种改进的脉冲去交错算法

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从Pulse Repetition Interval(PRI)变换的思路出发,提出了一种改进的去交错算法。该算法没有将整个脉冲流自相关运算的结果作为判断PRI存在与否的唯一准则,而是提取出具有相同脉冲间隔的子脉冲流。通过对子脉冲流中脉冲间隔的逻辑分析可以识别出真实的PRI,大大降低了信号分析的难度,并且有效抑制子谐波和多源脉冲的相互干扰,还可以有效识别出参差雷达。通过计算机仿真验证了该算法的有效性。
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