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本文叙述一种叫做自适应信道化装置(Self Adaptive Channeliser——SAC)的自适应前端,它能成功地解决截获LPI雷达信号的问题.讨论SAC接收机获得检测LPI所需灵敏度的方法以及在同一频段内鉴别常规信号的方法,给出了实际的结果,并简述了表征LPI信号的技术.
This paper describes an adaptive front-end called Self Adaptive Channeliser (SAC) that successfully solves the problem of intercepting LPI radar signals.We discuss how the SAC receiver can obtain the sensitivity required for LPI detection, The method of identifying regular signals in frequency band gives the actual results and the technology of characterizing LPI signal is briefly described.