基于北斗卫星载波相位差分技术的方位标定  

Azimuth Calibration of Radar Based On The Technology of BDS Carrier Phase Difference

作　　者：张帆[1] 王亚锋 ZHANG Fan;WANG Ya-feng(The twentieth research institute of China electronics technology corporation,Xi’an Shaanxi 710068,China)

机构地区：[1]中国电子科技集团公司第二十研究所

出　　处：《科技视界》2019年第19期35-37,共3页Science & Technology Vision

摘　　要：本文针对快速、高精度及高可靠度方位标定的需求,采用北斗卫星载波相位差分技术实现方位角测量。首先介绍了基于北斗卫星定向的原理和算法流程,重点研究了周跳检测及修复和整周模糊度估计等定向核心技术,开展了短基线试验验证,结果表明,方位角精度满足高精度方位标定的应用需求。For the requirements of high-speed,high precision and high-reliability azimuth calibration,we adopt the technology of BDS satellite carrier phase difference to achieve azimuth measurement.Firstly,the principle and algorithm process based on BDS satellite orientation are introduced;Secondly,the core technologies such as cycle-slip detection and ambiguity estimation are emphatically studied;Finally,we carry out the verification in short base-line,the results show that the azimuth accuracy meets the requirements of azimuth calibration.

关 键 词：卫星导航 周跳检测 模糊度估计 方位标定 

分 类 号：P228.4[天文地球—大地测量学与测量工程]