FPGA器件的出现，为实现宽带雷达信号侦察数字接收机提供了硬件支持。
However, the invention of FPGA device makes it convenient to realize such a wideband radar signal reconnaissance digital receiver.
信号识别是侦察系统信号处理的目的，是整个雷达对抗信号处理中关键性的一个环节。
The purpose of reconnaissance system's information processing is signal recognition, which is also a key step in whole process of radar reconnaissance information processing.
首先，对侦察雷达所能探测到的目标雷达信号的载频、脉宽、重频，应用证据理论将其组合，得到雷达参数的联合概率分配函数。
Firstly, the obtained radar signal radio frequency, pulse width, repeat frequency are composed to get a combined probability assignment function of radar parameters by applying D-S method.
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