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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The property of the near field subwavelength imaging in a metal thin-film structure is investigated using finite difference time domain method based on Drude model.

采用基于等离子体物理模型的时域有限差分方法模拟了金属薄膜近场成像特性；采用薄膜传输矩阵方法计算了金属薄膜对倏逝波分量的放大作用。

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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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