A CORS base station cycle slip detection and repair method
A technology of cycle slip detection and repair method, which is applied in measuring devices, radio wave measurement systems, satellite radio beacon positioning systems, etc., and can solve problems such as systematic errors in forecast values
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[0079] Embodiment: use this method in Tianjin CORS test reference station, Tianjin CORS test reference station network includes 15 continuous operation reference stations such as Dagang (DG), Xiqing (XQ), NH (NH), and experiment adopts December, 2009 The data of the three base stations DG, XQ, and NH in the 11th network, the sampling interval is 1s, and the data of 5 minutes is taken. Such as image 3 shown. Among them, all tracking satellites have no cycle slips. In order to analyze the ability of cycle slip detection and repair, cycle slips are added artificially. Among them, the reference satellite PRN=14 and the altitude angle of 60° are selected. PRN=30 satellites, altitude PRN = 32 satellites with an angle of 10°. The specific cycle slip values are shown in Table 1 below:
[0080]
[0081] Number of cycle slips to be detected added in Table 1
[0082] Use the ionospheric residual method to detect the cycle slip, and classify the observed values according to th...
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