摘要
本文介绍了GPST 1型GPS实时钟研制中的一些新设计 ,新技术 ,如 :自动置时 ,核对和修正 ;分段并行同步 ;软硬件抗干扰措施以及应急下的人工置时外同步功能等等。这种GPS实时钟的精度达 85ns,稳定可靠。
This paper introduces some new desings and techniques in developing the GPS real time clock such as automatic initial time setup, time check and correction, parallel sychronization, hardware and software methods in reducing interference, manual time setup and external sychronization selection. The accuracy of the stable GPS real time clock is 85 ns.