Inertia-assisted multi-frequency multi-mode GNSS cycle slip repair method and system
An inertial assistance and repair method technology, applied in radio wave measurement systems, satellite radio beacon positioning systems, instruments, etc., can solve the problems of difficult fixation, easy failure of cycle slip repair, and low fixation rate, so as to improve forecast accuracy, Significant market value, the effect of increasing the fixed rate
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[0046] The implementation of the technical solution of the present invention will be described in detail and completely below with reference to the embodiments of the present invention and the accompanying drawings.
[0047] The invention proposes an inertial assisted multi-frequency multi-mode GNSS cycle slip repair method. The inter-epoch difference model of cycle slip repair adopts non-difference and non-combination and contains only one clock error variation parameter, and the time-varying parameter is selected according to the ionospheric activity. The ionospheric modeling method uses inertial assistance to enhance the strength of the cycle-slip solution equation, adopts the three-step LAMBDA fixed, rounded-fixed and search-fixed solution to fix the cycle slip, and use the cycle slip detection to verify the correctness of the cycle slip fixed solution sex.
[0048] In the cycle-slip repair model, the phase and pseudorange observations of multi-frequency multi-system GNSS ...
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