A Triple-Frequency TECR Cycle-Slip Processing Algorithm under Ionospheric Active Conditions
Abstract Existing triple-frequency cycle-slip processing algorithms are usually not effective, and the threshold setting may be not reasonable for cycle-slip detection and repair under high ionospheric activity. To solve those problems, the triple-frequency total electron contents rate(TECR) method for whittling ionospheric delay is proposed based on the dual-frequency TECR method. Both the triple-frequency TECR method and triple-frequency code-phase geometry-free and ionospheric-free combination in this algorithm can whittle the influence of ionospheric delay effectively and determine reasonable threshold adaptively. Triple-frequency measured data are used to validate this algorithm, and experimental results showed that this algorithm can whittle ionospheric delay effectively and can realize the detection and repair of cycle-slip dynamically under ionospheric active conditions.
Key words :
ionospheric active conditions
detection and repair of cycle-slip
triple-frequency TECR algorithm
triple-frequency geometry-free and ionospheric-free combination
threshold
Cite this article:
ZHOU Haitao,CHENG Shuyang,WU Lin. A Triple-Frequency TECR Cycle-Slip Processing Algorithm under Ionospheric Active Conditions[J]. jgg, 2017, 37(11): 1166-1172.
ZHOU Haitao,CHENG Shuyang,WU Lin. A Triple-Frequency TECR Cycle-Slip Processing Algorithm under Ionospheric Active Conditions[J]. jgg, 2017, 37(11): 1166-1172.
URL:
http://www.jgg09.com/EN/ OR http://www.jgg09.com/EN/Y2017/V37/I11/1166
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