Virtual Polar Region Method Based on Horizontal Geographical Coordinate System
A geographic coordinate system and horizontal technology, applied in the field of virtual polar regions based on the horizontal geographic coordinate system, 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 area method based on the horizontal geographic coordinate system of the present invention are as follows:
[0031] 1. Reconstruction of polar trajectory data.
[0032] Define b as the carrier coordinate system, the coordinate axis points to the upper right direction of the carrier; i and e systems are the traditional inertial coordinate system and the earth coordinate system; g is the geographic coordinate system, the coordinate axis points to the northeast sky direction of the local location, the coordinate system The position coordinates of the lower position use p g =[λLh] T express. define e t It is a horizontal earth coordinate system, which is orbited by the e system and ox e Rotate the shaft -90°, then around oz e Obtained after turning -90°; g t It is a horizontal geographic coordinate system, and the coordinate axes respectively point to the northeast sky direction of the horizontal pseudo-l...
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