原子钟

yuán zǐ zhōnɡ
  • atomic clock
原子钟原子钟
  1. 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

  2. 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 .

  3. 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 .

  4. 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

  5. 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

  6. 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

  7. 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

  8. 原子钟时间尺度与Kalman滤波器

    Application of Kalman Filter in Atomic Time Scale

  9. 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

  10. 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

  11. 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

  12. 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

  13. 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

  14. CPT原子钟电路系统的设计与实现

    Design and Realization for Circuit System of CPT Atomic Clock

  15. 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

  16. 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

  17. 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 .

  18. 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 .

  19. 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 .

  20. 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 .

  21. 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 .

  22. 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 .

  23. 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 .

  24. 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 .

  25. 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

  26. 原子钟数据消噪方法比较研究

    A Comparative Study of Noise Reduction Method for Atomic Clock Data

  27. 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

  28. 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

  29. 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

  30. 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