BDS/GPS/GLONASS组合单历元姿态测量性能对比分析  

Comparison and Analysis of Single-Epoch Attitude Measurement Performance with Combined BDS/GPS/GLONASS

作　　者：张康 郝金明[2] 刘伟平[2] 谢建涛 陈逸伦[2] 

机构地区：[1]北京卫星导航中心,北京100094 [2]信息工程大学,河南郑州450001

出　　处：《测绘科学技术学报》2016年第4期368-373,共6页Journal of Geomatics Science and Technology

基　　金：地理信息工程国家重点实验室重点基金课题(SKLGIE2014-Z-2-1)

摘　　要：相比于单一卫星导航系统,多卫星导航系统组合具有显著增加可用卫星数目、改善卫星空间几何结构等优点,因而多卫星导航系统组合应用成为近年来关注的热点。在复杂观测条件下,利用BDS/GPS/GLONASS组合进行载体姿态测量具有单系统无法比拟的优势。首先阐述了BDS/GPS/GLONASS组合超短基线解算的双差模型以及姿态测量基本原理;然后分析了BDS/GPS/GLONASS组合多频单历元姿态测量性能。通过实测静态数据设置不同高度截止角进行分析表明:相比于单系统及双系统组合的姿态测量,BDS/GPS/GLONASS组合能够有效地提高姿态测量的精度、稳定性和可用性。当运动载体处于高楼、峡谷等受遮挡严重的复杂环境时,BDS/GPS/GLONASS组合单历元姿态测量更具有应用价值。Compared with a single satellite navigation system, the combination of multi-GNSS can significantly in-creases the number of available satellites, and improves the satellite geometry, so the application of combination of multi-GNSS becomes the focus of attention in recent years. The carrier attitude determination with combined BDS/GPS/GLONASS has the unmatchable advantage over a single system in complex observing conditions. This paper describes the double difference model used by ultra-short baseline solution with combined BDS/GPS/GLONASS and the basic principles of attitude determination, then the single-epoch attitude determination performance of multi-frequency combined BDS/GPS/GLONASS is analyzed. By setting different satellite elevation mask angle in static data analysis, it shows that： Compared with a single system or a combination of the two systems, the attitude determination with combined BDS/GPS/GLONASS can effectively improves the accuracy, stability, and availabili-ty. The attitude determination with combined BDS/GPS/GLONASS shows more value when carriers are moving in tall buildings, canyons and other shadowed serious complex environments.

关 键 词：BDS/GPS/GLONASS组合 超短基线 姿态测量 单历元 高度截止角 

分 类 号：P228[天文地球—大地测量学与测量工程]