the comparisons between the frequency stabilities for atomic time and pulsar time are presented.
给出了毫秒脉沖星长期计时观测最新结果和脉沖星时与原子时频率稳定度的比较。
based on available frequency standards: one prototype laboratory model of cesium clock, three hydrogen clocks and several (2- 6) rubidium clocks, the so atomic time scale has been established.
at present, this standardization is worldwide used by the research institutes of time and frequency standards, which makes the comparison of the atomic time standards in the world more conveniently.
the results show that ntscgps-1 provides good stability, higher accuracy and fair compatibility and can be used in the reconstructing of jatc(joint atomic time of china).
the results indicate that this equivalent model can improve the atomic time calculation speed and fit for the fast calculation of atomic time algorithm.
结果表明,该模型可以提高原子时计算的速度,适合于原子时算法的快速计算。
based on the requirement for establishing coordinated atomic time scale at shangha1 observatory, the application of arima model to the forecasting of atomic time was discussed.
根据上海天文台协调原子时尺度建立的要求,探讨了arima模型在原子时预报中的应用。
a time keeping system consists of atomic clock assembly, measuring and comparing system and computation of atomic time scale, etc.
守时系统是一种需要连续、可靠运转的复杂系统 ,包括守时钟组、比对测量系统、原子时归算等多个环节。
it is thought that the time scale of millisecond pulsar is possible to be set up, and that pulsar time and atomic time can be contrasted and verified with each other and developed side by side.
论述了脉沖星时间尺度的建立是可行的,脉沖星时和原子时可以「交叉比对,相互检验,并肩发展」。
in order to establish real international atomic time scale with high precision and to improve time synchronization on worldwide, the bipm propose the project of global time comparison via twstt.
国际计量局(bipm)为改善世界范围内时间同步,提出了全球双向卫星时间传递(twstt)计划。
the new results of timing observation for millisecond pulsars are introduced. the comparisons between the frequency stabilities for atomic time and pulsar time are presented.
给出了毫秒脉沖星长期计时观测最新结果和脉沖星时与原子时频率稳定度的比较。
as a collected data system for atomic time at (csao), up to now the system has been used for two years and a half and proved to be stable and fail—safe.
作为原子时的数据收集系统,到目前为止,经过两年多的使用,证明该系统稳定可靠,效果良好。
the time that it takes to complete a connection to the atomic time service affects the precision of the time reading.
完成一个到原子时间服务的连接所需的时间会影响时间读取的精确性。
there are many ways to have the systems stay on atomic time by themselves.