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资源三号卫星是我国首颗高分辨率光学三线阵立体测绘卫星.对于推扫式卫星影像而言,姿态和轨道统计模型的精度会直接影响后期卫星数据处理和无控制点的定位精度.通过对资源三号卫星的姿态和轨道数据进行分析研究,提出逐点带权多项式姿轨模型,推导出该模型在几何处理中的微分方程.使用资源三号卫星数据验证了逐点带权多项式模型对资源三号卫星姿轨拟合的正确性和实用性.
Resource No. 3 satellite is China’s first high-resolution optical three-dimensional array of three-dimensional satellite mapping For push-broom satellite imagery, attitude and orbit statistical model accuracy will have a direct impact on post-satellite data processing and control points without the positioning accuracy by This paper analyzes the attitude and orbit data of Resource No.3 satellite and proposes a point-by-point weighted polynomial attitude and orbit model to derive the differential equation of the model in geometry processing. The satellite data of resource No.3 is used to verify the point-by-point weighted polynomial model Correctness and practicability of fitting satellite orbit satellite orbit.