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影响高分辨率卫星影像定位精度的因素有很多,主要包括卫星轨道和姿态等动态参数、相机与卫星平台之间的几何关系以及相机内方位元素等静态参数,所有这些参数相互作用一起影响卫星影像的定位精度。对于星载线阵CCD影像的应用来说,首先要建立正确的传感器模型,以便恢复正确的物像间的关系。因此,本文试图建立能用于几何检校的、完备物理因素下的星载线阵CCD影像的严密传感器模型。
There are many factors affecting the positioning accuracy of high-resolution satellite imagery, including the dynamic parameters such as satellite orbit and attitude, the geometric relationship between camera and satellite platform, and static parameters such as the in-plane elements of the camera. All these parameters interact with each other to affect satellite imagery The positioning accuracy. For spaceborne linear CCD image applications, we must first establish the correct sensor model in order to restore the correct relationship between objects and images. Therefore, this paper attempts to establish a rigorous sensor model of satellite-borne linear array CCD images that can be used for geometric calibration.