The emphasis of the research of the method of time difference measurement is how to suppress noise and interference effectively.

有效地抑制噪声和干扰是研究各种时差测量方法的重点。

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For testing daily frequency drift of rubidium frequency standard, this paper used the method of time difference, designed daily frequency drift measuring equipment for rubidium frequency standard.

针对铷频标日频率漂移率的指标测试要求，文中采用时差法，设计了铷频标日频率漂移率测量装置。

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This so-called Uplink Time Difference of Arrival or UTDOA method requires servers to be installed at each transmitter site.

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