An Autonomous Mission Planning Method for Spaceborne SAR Imaging

In order to meet the requirement of high-precision and small-width spaceborne SAR real-time imaging mission, the current method of ground imaging mission planning is not applicable. The spaceborne SAR satellite needs to carry out the onboard imaging mission planning according to the target position and target characteristics. Therefore, a mission planning method for spaceborne SAR imaging is proposed in this paper, the mission planning criteria of spaceborne SAR imaging, the sequence criteria of spaceborne SAR imaging region, the mission planning process of spaceborne SAR imaging, the mission constraints of spaceborne SAR imaging, and the mission planning objective function of spaceborne SAR imaging are presented. According to the characteristics of ground target distribution, the reasonable observation sequence of target region is determined, and the imaging tasks are arranged independently, and the imaging time and the imaging angle of each target point are obtained. Finally, the validity of the proposed method is verified by simulation data.