Analysis of Stochastic Model in GEO/IGSO/MEO based on Triple-Frequency Observations

doi:10.23940/ijpe.18.07.p18.15421549

Abstract

Abstract:

Focusing on the complex constellation of the BeiDou satellite navigation positioning system in China, this article analyzes the relationship between zero baseline and ultrashort baseline according to the residual value of carrier observation, signal to noise ratios, and elevation angles of different constellation satellites. A stochastic model based on the distance between the satellite and Earth, signal-to-noise ratio and elevation angle was proposed, which applied to the baseline solution of the Beidou triple-frequency single epoch. Analysis of measured data shows that compared with the traditional sinusoidal trigonometric function model, although the proposed model has no obvious effect on improving the positioning accuracy, the success rate of the ambiguity resolution of 4.2m, 4.17km and 8.84km are effectively improved by 0.1%, 4.7% and 1.1%, which enhanced the stability of calculation results.

Submitted on April 8, 2018; Revised on May 20, 2018; Accepted on June 11, 2018
References: 12

Xinjian Fang, Xuexiang Yu, and Chao Yan. Analysis of Stochastic Model in GEO/IGSO/MEO based on Triple-Frequency Observations [J]. Int J Performability Eng, 2018, 14(7): 1542-1549.

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References 0

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