1、

Numerical model of cesium atomic clock velocity distribution

铯原子钟速度分布的计算机模型

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2、

Optical clock is the most promising atomic clock and its uncertainty will reach to 10? 1 8 theoretically, which could be the time and frequency standard of the next generation.

光钟是目前公认的最具有发展潜力的原子钟,理论上预期光钟的频率不确定度可达10-18,有望成为国际新一代时间频率基准。

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3、

The atomic clock is accurate to one millionth of a second.

原子钟计时可以精确到百万分之一秒.

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4、

The atomic clock enabled scientists to measure time with much greater accuracy.

原子钟使科学家能够以更大的精度来测算时间.

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5、

Rubidium atomic clock is used for the time reference signal in the system, by which the user can get the positioning information without sending any signal.

该系统用高稳定度铷钟作为时间基准信号,实现了无源导航定位功能。

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6、

The synergetic method mainly includes: noise-separating method based on time sequence model of atomic clock and malfunction-separating and positioning method based on malfunction-tree.

该方法的内容包括:原子钟一阶模型的噪声分离方法和故障树的故障分离、故障定位方法。

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7、

In order to resolve the equipment-monitoring of main system, in this thesis, we have established a synergetic method to synthesize the followings: analytical model ( time sequence model of atomic clock), expert system, malfunction tree, signal processing method, and so on.

为了解决主系统设备的状态监测,本论文确立了基于解析模型(时间序列的一阶原子钟模型)、专家知识、故障树和信号处理等几种方法综合起来的故障诊断融合方法。

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8、

In a traditional atomic clock , atoms are illuminated by microwaves, in the gigahertz frequency range.

在传统的原子钟里, 原子受到吉赫波段的微波照射.

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9、

Such a molecular or atomic clock is now being developed and promises to be very accurate.

这种分子和原子钟目前正在发展中,预期能有很高的准确度.

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10、

Optimization and experimental research of the frequency stabilizing system of satellite-borne MEMS atomic clock

星载MEMS原子钟稳频系统的优化及实验研究

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11、

The key to both experiments is the quantum logic atomic clock, which uses the oscillation of a single aluminium ion to maintain precise timing.

两个实验的重点是量子铝原子钟,它利用单一铝离子的震荡来精准测量时间的流逝。

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12、

A User Terminal Equipment Based on Rubidium Atomic Clock for the Double-Satellite Positioning System

一种基于铷钟的双星系统用户终端机

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13、

In order to supplying the laser source for the 3D optical lattice in our Yb atomic clock experiments, we design an injection-locked Ti: sapphire laser at 759 nm by taking the advantages of the injection locking technique and the Ti: sapphire laser.

为此,结合注入锁定技术和钛宝石激光器的优势,我们旨在实现高功率、窄线宽、频率稳定的注入锁定钛宝石激光源,为冷镱原子光晶格钟的实验研究提供三维光品格光源。

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14、

In the proposed schemes, the redundant configuration of grandmaster clock using Beidou navigation satellite system, GPS ( Global Positioning System) and atomic clock is discussed.

在应用方案中,讨论了利用北斗卫星定位系统、全球卫星定位系统(GPS)和原子时钟构建最高级时钟的冗余配置方案。

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15、

High precision time reference which based on the technology of atomic clock, usually affects the national security and the development level in the related high-tech field.

高精度时间基准即原子钟技术,关系到国家安全和其他高科技领域发展水平。

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16、

his discoveries, which won him the nobel prize, led to the caesium atomic clock and the hydrogen maser.

这一获得诺贝尔奖的发现产生了铯原子钟和氢微波激射器。

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17、

in a traditional atomic clock, atoms are illuminated by microwaves, in the gigahertz frequency range.

在传统的原子钟里,原子受到吉赫波段的微波照射。

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18、

Cs atomic fountain clock is the reappearance of "seconds" definition of time and frequency standard device, has the highest accuracy, as a reference clock calibration with other atomic clock, is a time and frequency system based.

Cs原子喷泉钟是目前复现秒定义时间频率基准装置,具有最高的准确度,作为基准钟标校其他原子钟,是一个国家时间频率系统的基础。

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19、

Scientists developed the first atomic clock in 1949.

科学家们于1949年制作了第一台原子钟.

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20、

Design of VCSEL laser control system based on CPT atomic clock

基于CPT原子钟的VCSEL激光器控制系统设计

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