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《地球科学与环境学报》[ISSN:1672-6561/CN:61-1423/P]

卷:

第45卷

期数:

2023年第06期

页码:

1389-1397

栏目:

大地测量、遥感与地学大数据

出版日期:

2023-11-15

文章信息/Info

Title:

Influence of Satellite/Ground Antenna Phase Center Correction on Precise Point Positioning Based on Different Reference Frames

文章编号:

1672-6561(2023)06-1389-09

作者:

田晓静; 王盼龙; 马新莹; 刘 璐

(自然资源部大地测量数据处理中心,陕西 西安 710054)

Author(s):

TIAN Xiao-jing;  WANG Pan-long;  MA Xin-ying;  LIU Lu

(Geodetic Data Processing Centre of Mininstry of Natural Resources, Xi'an 710054, Shaanxi, China)

关键词:

GNSS精密定位;  天线相位中心改正;  精密单点定位;  国际参考框架;  站点位置差异;  IGS站

Keywords:

GNSS precise positioning;  antenna phase center correction;  precise point positioning;  international reference frame;  site position difference;  IGS station

分类号:

P228

DOI:

10.19814/j.jese.2022.12003

文献标志码:

A

摘要:

天线相位中心改正是GNSS精密定位中的重要误差源,分析不同参考框架下的天线相位中心模型差异及其对事后静态定位位置参数估计的影响,有助于获得参考框架一致性的定位结果,提高定位可靠性。首先分析不同参考框架下卫星/地面天线相位中心改正差异,其次选取全球均匀分布的国际GNSS服务(IGS)核心站,计算基于不同参考框架的卫星/地面天线相位中心改正引起的站点估计位置差异。结果表明:不同参考框架下天线相位中心改正引起的站点坐标差异水平方向为毫米级,高程方向的影响可达厘米级,引起的站点位置差异平均值为7.1 mm; 不同参考框架下的卫星天线相位中心改正对站点估计位置的影响大于地面天线相位中心改正; 地面天线相位中心改正对站点的影响与天线类型相关,同一种天线类型在不同站点上的影响基本一致。

Abstract:

The antenna phase center correction is an important error source in GNSS precise positioning. The discussion on the difference of antenna phase center model based on different reference frames and its influence on post-static positioning position parameter estimation is helpful to obtain the consistent positioning results of the reference frame and improve the positioning reliability. Firstly, the difference of satellite/ground antenna phase center correction was analyzed under different reference frames, and then the IGS core station with uniform global distribution was selected; the estimated position difference caused by satellite/ground antenna phase center correction based on different reference frames was calculated and analyzed. The results show that the site difference caused by phase center correction under different reference frames is millimetre in plane direction and centimetre in elevation direction, and the average value of site difference is 7.1 mm; the influence of satellite antenna phase center correction on the estimated position of stations under different reference frames is greater than that of ground antenna phase center correction, the influence of the same type of antenna on different stations is basically the same.

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相似文献/References:

备注/Memo

备注/Memo:

收稿日期:2022-12-02; 修回日期:2023-01-08
基金项目:国家自然科学基金项目(41904040); 2019年度自然资源部高层次科技创新人才培养工程杰出青年人才资助项目(12110600000018000000)
作者简介:田晓静(1987-),女,山东潍坊人,高级工程师,E-mail:908006926@qq.com。

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更新日期/Last Update: 2023-12-01