Disclosed are a method for correcting a satellite image acquisition posture and a device for correcting the same. To this end, the method for correcting a satellite image acquisition posture according to an embodiment of the present invention is linked with an image acquisition command, and may comprise: a step in which an imaging-desired satellite position (P_Desired) and a ground plan imaging time (T_Imaging) of a satellite are received from a ground-based orbit propagator; a step in which a predicted satellite position (P_Predicted) at which the satellite is to be positioned at the ground plan imaging time (T_Imaging) is estimated; a step in which a posture correction angle (dθ) is calculated with respect to the satellite at the predicted satellite position (P_Predicted) by using the imaging-desired satellite position (P_Desired); and a step in which the satellite is controlled to acquire an image after the posture correction of the satellite in accordance with the posture correction angle (dθ).
위성 영상 획득 자세를 보정하는 방법 및 보정 장치가 개시된다. 본 발명의 일실시예에 따른 위성 영상 획득 자세를 보정하는 방법은, 영상 획득 명령에 연동하여, 지상기반 궤도전파기로부터 위성의 촬영희망 위성위치(P)와 지상계획 촬영시각(T)을 수신하는 단계, 상기 지상계획 촬영시각(T)에 상기 위성이 위치하게 되는 예측 위성위치(P)를 추정하는 단계, 상기 촬영희망 위성위치(P)를 이용하여, 상기 예측 위성위치(P)에서의, 상기 위성에 대한 자세 보정각(dθ)을 연산하는 단계, 및 상기 자세 보정각(dθ)에 따른 상기 위성의 자세 보정 후, 상기 위성에서 영상을 획득하도록 제어하는 단계를 포함할 수 있다.
METHOD AND DEVICE OF CORRECTING SATELLITE IMAGE ACQUISITION POSTURE
위성 영상 획득 자세를 보정하는 방법 및 보정 장치
2020-05-14
Patent
Electronic Resource
Korean
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