|Table of Contents|

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

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

Issue:
2023年第06期
Page:
1389-1397
Research Field:
大地测量、遥感与地学大数据
Publishing date:

Info

Title:
Influence of Satellite/Ground Antenna Phase Center Correction on Precise Point Positioning Based on Different Reference Frames
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)
Keywords:
GNSS precise positioning;  antenna phase center correction;  precise point positioning;  international reference frame;  site position difference;  IGS station
PACS:
P228
DOI:
10.19814/j.jese.2022.12003
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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Last Update: 2023-12-01