In this paper a circuit of filter and shaping is provided for obtaining a better timeservicesignal of the China Central Radio Station from a noised record.
本文给出了一个滤波整形电路，以便从干扰记录中，尽可能干净地提取出中央台授时信号。
2
The precondition of accuracy control of timeservicesignal is established on the foundation of timeservice signal's precise calibration.
授时信号精确控制的前提建立在授时发播信号精确定标的基础之上。
3
The calibration method of the original BPL timeservice broadcast control signal is analyzed and studied.