Inertial navigation positioning method and system based on differential GPS
A technology of GPS positioning and positioning method, which is applied in the field of inertial navigation positioning method and system based on differential GPS, which can solve the problems of system stability and reliability limitation, inertial navigation origin and direction deviation, unrecoverable and other problems, and achieve positioning accuracy and High reliability, eliminate the impact of positioning, and reduce the difficulty of initialization
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[0033] The following further describes the present invention with reference to the accompanying drawings of the specification and specific preferred embodiments, but the protection scope of the present invention is not limited thereby.
[0034] Such as figure 1 As shown, the inertial navigation positioning method based on differential GPS in this embodiment includes the following steps:
[0035] S1. Determination of origin positioning parameters: establish a positioning coordinate relationship model between inertial navigation positioning coordinates and differential GPS positioning coordinates for mobile targets based on inertial navigation origin positioning parameters, and test according to the inertial navigation positioning coordinates and differential GPS positioning coordinates of the moving target The data determines the inertial navigation origin positioning parameters; the inertial navigation positioning coordinates are the positioning coordinates obtained based on the in...
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