为了在复杂电磁环境中快速准确地获取雷达辐射源信息,采用SoPC可配置技术,设计实现了宽带雷达侦察信号分选系统.基于软硬件一体化设计框架,阐述了信号分选和参数测量算法的设计流程.对250 MHz带宽内的三种不同调制类型信号做了仿真实验,在15 dB信噪比将6个输入信号进行了正确分选输出,各项雷达参数测量结果精度均超过90％.同时对信号的处理时间进行了讨论,该系统在雷达信号脉冲占空比小于10％时,脉冲信息丢失概率不超过2％.工程应用表明,该设计方法具备准实时处理能力,参数测量准确,资源利用率高,适用于机载或星载辐射源侦察.%In order to acquire the radar radiation source information from the complex electromagnetic environment quickly and accurately, a reconnaissance signal sorting system for broadband radars was designed and implemented with the SoPC configured technology. Based on the integration frame with software and hardware, the design flow of the signal sorting and parameter measurement algorithms are expounded. A simulation experiment of three different modulation types within the bandwidth of 250 MHz was made, in which six radar signals were de-interleaved correctly at 15 Db signal-to-noise ratio and the measuring accuracy of the radar parameters reached to 90%. Meanwhile, the system processing time is discussed. The loss probability on pulse information is no more than 2% when PRI is less than 10%. The system designed in the paper has half real-time processing capacity. Morever, the measured parameters are accurate and the utility of resources is high. It is applied to the reconnaissance of airborne or spaceborne radiation source.
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