Astronomical calibration method for synchronization of small-view-field camera and star sensor measurement reference
The invention discloses an astronomical calibration method for synchronization of a small field-of-view camera and a star sensor measurement reference, and the method comprises the following steps: S1, employing a space-based small field-of-view camera and a star sensor to perform simultaneous expos...
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Main Authors | , , , , , , , |
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Format | Patent |
Language | Chinese English |
Published |
25.04.2023
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Subjects | |
Online Access | Get full text |
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Summary: | The invention discloses an astronomical calibration method for synchronization of a small field-of-view camera and a star sensor measurement reference, and the method comprises the following steps: S1, employing a space-based small field-of-view camera and a star sensor to perform simultaneous exposure scanning of sky areas corresponding to respective fields of view, and obtaining an expected fixed star image shot by the small field-of-view camera and a satellite inertia quaternion under a star sensor measurement coordinate system; s2, the star sensor calculates fixed star vector coordinates of a fixed star in a star sensor measurement coordinate system and a space-based small-view-field camera measurement coordinate system according to measurement information of the space-based small-view-field camera and the star sensor; s3, calculating the estimated values of the measurement deviation angles of the space-based small-view-field camera and the star sensor through an optimal estimation algorithm; and S4, sett |
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Bibliography: | Application Number: CN202211714550 |