Title :
Low Earth Orbiter Satellite Precise Orbit Determination and its Precision Analysis from Satellite-Borne GPS with LP Estimation
Author :
Zheng Zuoya ; Dang Yamin ; Lu Xiushan ; Tian Maoyi
Author_Institution :
Inst. of Geodesy & Geodynamics, SDUST, Beijing, China
Abstract :
To get high precise low earth orbiter (LEO) satellite orbit from satellite-borne GPS data, the satellite-borne GPS carrier phase measurements must be used, but there are still remnant cycle-slips after GPS data pre-processing. Least Square is an optimal method to solve parameters if the residual obeys to normal distribution, but it is difficult to process data with systematic error, LP estimation is an effective method to process data with systematic error, LP estimation is applied to estimate satellite-borne GPS data in LEO satellite precise orbit determination in this paper. It is showed that LP estimation is more effective than that of LS to process GPS phase carrier with systematic error, and improve the LEO satellite orbit precision.
Keywords :
Global Positioning System; artificial satellites; normal distribution; phase measurement; LP estimation; low earth orbiter satellite; normal distribution; orbit determination; phase measurements; precision analysis; satellite-borne GPS data; Data analysis; Data processing; Educational institutions; Equations; Estimation error; Extraterrestrial measurements; Gaussian distribution; Global Positioning System; Instruments; Low earth orbit satellites; LP Estimation; Low earth orbiter; Precise Orbit Determination; satellite-borne GPS;
Conference_Titel :
Artificial Intelligence and Computational Intelligence, 2009. AICI '09. International Conference on
Conference_Location :
Shanghai
Print_ISBN :
978-1-4244-3835-8
Electronic_ISBN :
978-0-7695-3816-7
DOI :
10.1109/AICI.2009.493
