BDS/GPS/GLONASS组合载波相位精密时间传递研究  

A Study on Time Transfer using BDS/GPS/GLONASS Carrier Phase

作　　者：覃进 Qin Jin(Yichang Surveying and Mapping Institute,Yichang 443000,China)

机构地区：[1]宜昌市测绘大队,湖北宜昌443000

出　　处：《城市勘测》2020年第5期102-105,共4页Urban Geotechnical Investigation & Surveying

摘　　要：全球卫星导航系统(GNSS)时间传递技术是当前最具实用价值和应用前景的精密时间传递技术之一,利用GNSS时间传递技术中的载波相位(CP)法,对两个基站的观测数据进行单差无电离层组合,采用GPS、GPS+BDS、GPS+GLONASS、GPS+BDS+GLONASS四种方案进行时间传递,并对时间传递结果进行对比分析。实验结果表明,GPS+BDS+GLONASS方案在高截止高度角的情形下具有更高的可用性和时间传递精度。The Global Navigation Satellite System(GNSS)has proved to be one of the most practical and promising technique for precise time transfer.The observation data from two stations which can track BDS,GPS,and GLONASS was processed using the GNSS carrier-phase(CP)approach.According to analyzing and comparing the different combination of GPS,GPS+BDS,GPS+GLONASS,and GPS+BDS+GLONASS,the results indicated that the fourth combination could increase the number of available satellites and improve the precision of time transfer.

关 键 词：BDS GPS GLONASS 载波相位 时间传递 

分 类 号：P228[天文地球—大地测量学与测量工程]