【摘要】 上海天文台使用中的氢原子钟经最近二年的改进,其稳定度指标当取样时间长于100s时已稳定地进入10^-15。本文简述它的改进、测量及结果。更多还原

【Abstract】 The hydrogen masers at Shanghai Observatory have been modified during the recent two years.The measurements have indicated that the stability performance of the modified masers have reached 10-15 for the sample time beyond 100 seconds.The modification,measurements and results of these masers are briefly described in this paper.更多还原