Astronomy and Astrophysics – Astronomy
Scientific paper
Jun 2002
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002jass...19..163m&link_type=abstract
Journal of Astronomy and Space Science, vol. 19, no. 2, p. 163-172
Astronomy and Astrophysics
Astronomy
1
Preprocessing, Precision Orbit Determination, Gps, Cycle Slip, Bad Point, Dgps Technique
Scientific paper
This article investigates the problem of data preprocessing for the precision orbit determination (POD) of low earth orbit satellite using GPS raw data. Several data preprocessing algorithms have been developed to edit the GPS data automatically such that outlier deletion, cycle slip identification and correction, and time tag error correction. The GPS data are precisely edited for the accuracy of POD. Some methods of data preprocessing are restricted to the rate of the collections of the pseudorange and carrier phase measurements. This study considers the preprocessing efficiency varied with the rate, the quality of receiver and the altitude of the satellite's orbit. We also propose the proper methods in accordance with the rate for single frequency and dual frequency receivers.
Choi Kyu-Hong Choi
Kim Jae-Hoon
Lee Byoung-Sun
Lee Jeong-Sook
Moon Bo-Yeon
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