A network rtk ambiguity resolution method based on non-difference and non-combination model
A non-difference, non-combination, ambiguity technology, applied in the field of global navigation satellite system satellite positioning, can solve the problem of non-difference fuzzy loss of integer characteristics
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[0041] The present invention will be further described below in conjunction with the accompanying drawings.
[0042] Such as figure 1 As shown, a network RTK ambiguity resolution method based on the non-difference and non-combination model. The clock difference product is added as a pseudo-observation; then according to the user's location, the non-difference ambiguity of the user's adjacent sites is extracted, one of the adjacent sites is selected as the reference site, and the integer characteristics of the double-difference ambiguity are obtained by using the difference operator to restore, Single epochs obtain double-differenced ambiguity results with integer properties. The inventive method comprises the following concrete steps:
[0043] Step 1), use the original observation values of each station to estimate the single-station undifference ambiguity of each station, and estimate the satellite clock error as an unknown parameter; the non-combined observation equation...
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