随机步进频引信近距泄漏抑制方法研究

Research on the Method of Random Step Frequency Fuze Close Range Leakage Signal Inhibition

首先分析了近距泄漏信号对随机步进频引信探测能力的影响。然后对近距泄漏信号进行了分析,基于近距泄漏信号与目标回波信号在频谱上的不同特征,采用先经过高通滤波再进行速度匹配对消的方法滤除近距泄漏信号。最后通过仿真验证了所述近距泄漏抑制方法的抑制能力。

Firstly,the influence of close range leakage signal in random step frequency fuze detection ability is analyzed.Then the characteristic of close range leakage signal is analyzed.Based on the different characters of close range leakage signal and target echo signal in frequency domain,high-pass filtering to inhibit close range leakage signal is used.Finally, close range leakage signal inhibition ability of the discussed method is verified.