Star map identification method for precise tracking telescope
A technology of star map recognition and recognition method, which is applied in the field of star map recognition, can solve problems such as cumulative error, unsuitable large field of view, slow matching speed, etc., and achieve the effects of speeding up, increasing universality, and reducing storage space
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[0034] Specific implementation mode one, combination Figure 1 to Figure 3 In this embodiment, a star pattern recognition method for precision tracking telescopes includes two parts: the first frame recognition method and the continuous frame refresh method.
[0035] The spatial position corresponding to the midpoint of the photo and the initial corresponding fitting parameters obtained by the first frame recognition method are used as the input of the continuous frame refresh algorithm. Among them: the position corresponding to the midpoint of the first frame plus the change of the telescope in each frame relative to the position of the first frame is used as the parameter for the subsequent calculation of the ideal coordinates of the navigation star; the initial corresponding fitting parameters obtain the first fitting correspondence in the second frame , And then update the fitting of this relationship, output the fitting parameters and use it to obtain the corresponding relati...
Example Embodiment
[0076] Embodiment 2 This embodiment is an example of a star pattern recognition method for precision tracking telescopes described in Embodiment 1:
[0077] Telescope platform: Changchun Artificial Satellite Observatory 1.2-m telescope.
[0078] Observation time: April 21, 2019
[0079] The telescope points to the sky: (Ra: 9.318417h–9.402894h), (Dec: 0.392261°–0.069461°)
[0080] Data composition: A total of 30 frames of data, the number of observation stars per frame: 360–616, and the number of navigation stars per frame: 19–27.
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