航海雷达系统是海上目标探测的主要技术之一，为了能够正确检测目标，在现代雷达接收机中，大动态范围是非常重要的。
Marine radar system is one of the main techniques of the target detection at sea, in the modern radar receivers, in order to detect the correct target, high dynamic range is very important.
根据此方法定期检测轨道电路的主要参数，在误差允许范围之内判断轨道电路的安全性具有很强的实际意义。
Testing the main parameters of track circuit at interval by this method and estimating the safety of track circuit when error is permitted have strong practical meaning.
数字化相位生成载波(PGC)方法是实现光纤干涉仪大动态范围、高精度信号检测的主要手段。
Digital phase generated carrier (PGC) is the key method for larger dynamic and high sensitivity detection of optical fiber interferometers.
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