【摘要】 本文概述了原子颁标技术的发展．给出了各种实用原子频率标准的目前现状以及它们性能指标的最新结果。对有前景的新型原子频标的研究进展也进行了介绍与评述。更多还原

【Abstract】 This paper describes the developments of atomic frequency standard techniques,and gives the present status of various applied atomic frequency standards as well as their new performance results. The research progress of some new atomic frequency standards with bright prospects is also reviewed.更多还原