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Impact on GPS Data Processing of Changing fom Relative Phase Center Corrections to Absolute Phase Center Corrections

Wanke Liu

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Abstract

In precise GPS data processing,absolute antenna phase center correction model has much advantage with relative model. When using different antenna phase center correction model,it has impact on GPS results. After analyzing the results of a city's CORS GPS data processed by Bernese GPS software,we find that coordinate in height various at a cm level,net scale factor changed 6.4 ppb,difference of troposphere ZPD value is -6.9±4.0 mm.

About this research paper

What this paper is about

In precise GPS data processing,absolute antenna phase center correction model has much advantage with relative model. When using different antenna phase center correction model,it has impact on GPS results. After analyzing the results of a city's CORS GPS data processed by Bernese GPS software,we find that coordinate in height various at a cm level,net scale factor changed 6.4 ppb,difference of troposphere ZPD value is -6.9±4.0 mm.

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Available abstract

In precise GPS data processing,absolute antenna phase center correction model has much advantage with relative model. When using different antenna phase center correction model,it has impact on GPS results. After analyzing the results of a city's CORS GPS data processed by Bernese GPS software,we find that coordinate in height various at a cm level,net scale factor changed 6.4 ppb,difference of troposphere ZPD value is -6.9±4.0 mm.

Key concepts: Phase center, Global Positioning System, Geodesy, Absolute phase, Phase (matter), Center (category theory), Remote sensing, Data center

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