原子钟
- 名atomic clock
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基于CPT原子钟的VCSEL激光器控制系统设计
Design of VCSEL laser control system based on CPT atomic clock
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本文讨论了原子钟可靠性的适用测量是条件故障率函数Z(t)和相应的半寿命统计。
It is discussed that the suitable measurements of reliability of atomic clock are the conditional failure rate function Z ( t ) and the corresponding half-life statistic .
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他们将非常稳定、准确的原子钟装在定期飞行的喷气式班机上。
They placed very stable and accurate atomic clocks on regularly scheduled jet airliners .
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GPS卫星原子钟频率稳定度表征方法分析
The Analysis of Frequency Stability 's Presenting Methods for Atomic Clocks of GPS Satellites
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原子钟辅助GPS定位的研究
Study of atom clock aiding GPS positioning Beauty of the Clock The Second Clock
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三状态时钟模型kalman滤波器在GPS驯服铷原子钟中的应用
Kalman filter with three-state clock model applied in GPS disciplining rubidium clock
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高精度GPS时间传递测定和校准原子钟频率偏差
Frequency deviation of atomic clock determined and calibrated by GPS time transfer with high precision
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原子钟时间尺度与Kalman滤波器
Application of Kalman Filter in Atomic Time Scale
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星载MEMS原子钟稳频系统的优化及实验研究
Optimization and experimental research of the frequency stabilizing system of satellite-borne MEMS atomic clock
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GPSBlockIIR(M)星载原子钟钟差预报研究
Research on clock error prediction for atomic clocks loaded on GPS block iir ( m ) satellite clocks
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MEMS原子钟理论、设计及Cs/Rb气体盒气密性封装研究
Design of MEMS Chip - Scale Atomic Clock and Hermetic Packaging of Cs / Rb Vapor
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小波包分解算法及Kalman滤波进行原子钟信号消噪的比较
A Comparison between Wavelet Packets Decomposition Algorithm and Kalman Filter on Reducing the Noise of Atomic Clock Signal
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基于CPT原理原子钟的频率控制系统
Frequency Control Model of Atomic Clock Based on Coherent Population Trapping
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CPT原子钟电路系统的设计与实现
Design and Realization for Circuit System of CPT Atomic Clock
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CPT原子钟的原理及其电路系统框架设计
Principle and circuit system design of CPT atomic clock
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南山VLBI站氢原子钟的研制与性能测试
The Study and Performance Evaluation of Hydrogen Masers Used in Nanshan VLBI Station
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介绍了一种利用Kalman滤波器进行原子钟控制的方法,并对此方法作了改进,可以把一个原子钟的相位&时间非常精确地控制到时间标准上。
A clock disciplined method based on Kalman filter was given , and this method was improved . It could steer one atomic clock phase-time into time standard precisely .
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在GPS接收机中使用一个原子钟的出发点是其授时精度和稳定度足够高,可以假定接收机时钟与GPS时间之间的偏差为已知量,从而避免了对其进行估计。
The motivation for employing an atomic clock in a GPS receiver is that the timing is precise and stable enough so that the receiver clock offset from GPS time can be assumed known , avoiding its estimation .
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芯片级原子钟是量子力学、波谱学、高频电路技术、MEMS技术、激光稳频技术等学科交叉的产物,是一个系统级的科研课题。
The quantum mechanics , coherent optics , high frequency electrocircuit design , MEMS process and laser technology are necessary for the CSAC , which is a long-term , cross-subject , complicated and system level research .
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后来,今年2月23日,该团队的研究人员承认,他们用以使中微子束两端的原子钟同步的全球定位系统(gps)信号中发现了可能导致实验误差的来源。
But then , on February 23rd , its researchers owned up to discovering what could be a source of experimental error in the global positioning system ( GPS ) signals used to synchronise atomic clocks at either end of the neutrino beam .
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从数学角度探讨包含闪烁噪声的原子钟状态模型,提出原子钟观测相位自回归混合模型,并导出相应的自适应Kalman滤波方程。
The atomic clock state model that is concerned in scintillating noise is discussed from the view of mathematics , and a autoregressive mixed model of atomic clock phase is proposed and corresponding self-adaptive Kalman filter equation is presented in this paper .
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根据原子钟的噪声理论和Allan提出的偏函数[1],可以由测量结果来确定噪声强度,然后建立原子钟的噪声模型。
According to the noise theory of atomic clock and Bias functions presented by Allan , the noise indensity can be determined from consequence of measurements , hence the establishment of the noise model of atomic clock .
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介绍了光抽运铯原子钟计算机模型系统的基本结构体系,该计算机模型系统包括铯原子炉、抽运和检测激光、Ramsey微波作用腔、C场、荧光检测系统等程序模块。
In this paper , the system structure of an optically pumped cesium beam atomic clock computer model is introduced . This cesium atomic clock computer model included program modules of cesium oven , pumping laser , detecting laser , Ramsey microwave cavity , C field , fluorescence detecting system .
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针对这些年来许多氢钟出现的有关问题,上海天文台在借鉴国外氢钟实验室经验的基础之上,对原有氢钟进行了技术改造,并为国家授时中心研制了SOHM-4型氢原子钟。
In view of all the relevant problems in hydrogen masers , the existing hydrogen masers have been improved technically and the hydrogen maser SOHM-4 has been developed based on the experiences of foreign atomic standard laboratories .
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利用小波方差进行原子钟频率稳定度的估计
The Estimation of Atomic Clock 's Frequency Stability by Wavelet Variance
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原子钟数据消噪方法比较研究
A Comparative Study of Noise Reduction Method for Atomic Clock Data
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上海天文台氢原子钟热敏电阻控温系统
Thermistor thermal control system on the hydrogen clock at Shanghai Observatory
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上海天文台对航天部二院203研究所氢原子钟的改进
The Improvement of Hydrogen Maser at National Space Bureau No.203 Institute
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原子钟有色噪声模型的自适应滤波方法的探讨
Application of Self-adaptive Filtering Mothod to Atomic Clock Coloured Noise Model
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原子钟的闪变噪声及其小波分析
On Flicker Noise in an Atomic Clock and Its Wavelet Analysis