基于卫星时频的高精度测频系统设计  

Design of high-precision frequency detectionsystem based on satellite time-frequency

作　　者：曾全胜[1] Zeng Quansheng(Changsha Aeronautical Vocational and Technical College,Changsha Hunan,410014)

机构地区：[1]长沙航空职业技术学院,湖南长沙410014

出　　处：《电子测试》2020年第10期34-36,75,共4页Electronic Test

基　　金：湖南省科技厅科技计划一般项目资助(2010FJ3143)资助。

摘　　要：双同步测量是实现高精度频率测量的一种有效方法。本文提出基于卫星时频技术的双同步频率测量电路架构,利用软件对双同步测量电路进行了仿真,采用U-blox公司的高精度时钟模块LEA-5T和CD4046等器件构建了系统样机。实验结果表明,所设计的系统能实现频率的高精度测量。Dual synchronous detection is an effective method to achieve high-precision frequency measurement.Based on the circuit structure of dual synchronous frequency detection in satellite time-frequency technology,in this paper,the circuit of dual synchronous detection is simulated by a software and system prototype is constructed with high-precision Clock Module LEA-5T and CD4046 of U-blox company.According to experimental results,high-precision detection can be achieved by this designed system.

关 键 词：卫星时频 双同步测量 设计 

分 类 号：TM935[电气工程—电力电子与电力传动] P228.4[天文地球—大地测量学与测量工程]