基于计数器的频标自动检定系统设计  

Design of Automatic Verification System for Frequency Standard Based on Counter

作　　者：张东云[1] 潘晓[1] 韩小余[1] 韩耀东 ZHANG Dongyun;PAN Xiao;HAN Xiaoyu;HAN Yaodong(Xichang Satellite Launch Center,Xichang 615000)

机构地区：[1]中国西昌卫星发射中心,西昌615000

出　　处：《舰船电子工程》2023年第5期180-184,共5页Ship Electronic Engineering

摘　　要：为提高频率测量标准的可靠性,利用铯原子频标、分频器、计数器等设备组成测量装置,设计了基于计数器的频标自动检定软件。给出了一种GNSS驯服铷频标的锁定方法,以及频标在长时间运行时准确度的使用方法。通过实验验证了软件功能,实现了频标的自动检定。The measurement device is composed of cesium atomic frequency standard,frequency divider and universal counter,in order to improve the frequency measurement standard's reliability.An automatic verification software is designed based on universal counter.A locking method of the accuracy for GNSS tamed rubidium frequency standard is given.The method of using the accuracy of frequency standard in long-time operation is given.The software's function is validated by experiments.The automatic verification of frequency standard is realized.

关 键 词：频率标准 计数器 直接测频法 时差法 自动检定系统 

分 类 号：TH724[机械工程—仪器科学与技术]