Virtual polar region method based on transverse geographic coordinate system
A geographical coordinate system and horizontal technology, applied in the direction of electrical digital data processing, special data processing applications, complex mathematical operations, etc., can solve problems such as poor applicability, achieve the effect of improving modeling accuracy and expanding the applicable area
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[0030] refer to Figure 1-3 . The specific steps of the virtual polar region method based on the horizontal geographical coordinate system of the present invention are as follows:
[0031] 1. Reconstruction of polar trajectory data.
[0032] Define b as the carrier coordinate system, and the coordinate axis points to the right front and upper direction of the carrier; the i and e systems are the traditional inertial coordinate system and the earth coordinate system; g is the geographic coordinate system, and the coordinate axis points to the northeast sky direction of the local position. The position coordinates under are p g =[λ L h] T express. define e t It is the horizontal earth coordinate system, and the e system revolves around ox e Axis rotation -90°, then around oz e Obtained after turning -90°; g t It is a horizontal geographic coordinate system, and the coordinate axes point to the northeast sky direction of the horizontal pseudo-grid at the current position ...
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