高重频激光对激光导引头解码干扰的研究

为有效评估高重频激光对导引头解码过程的干扰效果,针对解码过程中的搜索识别和锁定跟踪阶段,分别建立了干扰效果量化评估模型。通过仿真,重点研究了高重频激光频率因素对采取了抗干扰技术下的导引头的干扰影响。结果表明:干扰效果与干扰激光频率、编码方式、离散化时间宽度以及时间波门宽度有关;高重频对搜索识别阶段的干扰效果要好于锁定跟踪阶段,当频率达到一定值后对两阶段均可实现100%干扰。

Jamming effect of high repetition laser on laser guidance's decoding

To estimate the jamming effect of high repetition laser on laser seeker's decoding effectively, two quantized model were adopted, which were concerning to code distinguishing stage and code locking stage respectively. During simulation, the research emphasis was put on the effect of laser frequency on the laser seeker which adopted anti-interference technology. The simulating results show that the jamming effect is affected by laser frequency, coding pattern, sampling period, the width of time-gate, and so on. And the jamming effect during code distinguishing stage is better than code locking stage, but both stages could be jammed successfully when the frequency become higher than a certain value.