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然后用理论授时信号与实际得到的授时信号进行相关运算，求出中央台授时信号的准确的整点时刻。 The correlation technique has been used to determine the accurate time at ao'clock sharp signal of the radio by correlation calculation of theoretical and observed time signal. | ||
这里啊，是国家授时中心。 This is the National Time Service Center. | ||
当我教授时，我是一名科学家。 When I teach, I am a scientist. | ||
时间同步是高精度授时不可缺少的环节。 The time synchronism is important link for high time service. | ||
数字调制技术是BPL时码发播和自主授时的基础。 Digital modulation technology is the foundation of BPL time code broadcast and independent time service. | ||
该产品结合IC卡的信息存贮技术与GPS全球卫星定位系统的位置信息输出及授时功能。 This product combines the technology of IC Card information store and the position information outputting and time service functions of GPS. | ||
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。 In this paper a circuit of filter and shaping is provided for obtaining a better time service signal of the China Central Radio Station from a noised record. | ||
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