雷达信号预处理系统主要负责对雷达回波信号的采集以及一系列的杂波处理。
Radar signal preprocessing system is mainly responsible for the radar echo signal acquisition and processing a series of clutter.
信号预处理系统对原始的相位信号和温度信号进行预处理，使之适合数字电路作进一步的处理。
There are three branch circuits for phase signal. Two branches are completely similar to process phase signals respectively from right and left sensors on primary instrument.
信号预处理系统还包括温度信号提取电路，通过铂热敏电阻实现对温度信号的提取，采用了三线制恒流源测量法。
The signal pre-processing system also has circuit to extract temperature signal via platinum thermistance, in which three-wire system and constant current measurement method are adopted.
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