三线阵CCD立体测绘相机的集成装调

考虑几何精度对三线阵CCD立体测绘相机测绘精度的影响,研究了测绘相机组合体的装调方法以建立和保证相机的空间几何关系。首先,介绍了测绘相机组合体的结构和坐标系的定义;其次,提出了各基准立方镜和相机的装调要求;最后,确定了多相机集成装调流程,重点介绍了测绘相机的装调步骤。装调结果表明：各相机的光学传递函数〉0.2,畸变〈0.03%,测绘相机的空间几何关系满足要求,提出的集成装调技术有效地保证了测绘相机的空间几何关系。

Integrative assembly for three-line array CCD tridimensional mapping camera

As the geometric precision of a three-line array CCD tridimensional mapping camera is one of the important factors to affect the mapping precision,the assembly method for the mapping camera is studied to build and ensure the spatial geometry relation of the mapping cameras.Firstly,the structure of mapping camera system and the definition of the coordinate are introduced.Then,the assembly requirements of the basal mirrors and the mapping camera are brought out.Finally,the assembly process of the mapping camera is determined,and its assembly steps are significantly introduced.After the camera alignment,the results show that the Optical Transfer Function（OTF） of the mapping camera is more than 0.2,and its distortion is less than 0.03%.Moreover,the space position relation among cameras can meet the installing requirements.The method can satisfy the alignment requirements of space geometry precision of the three-line array CCD tridimensional mapping camera.