环月遥感立体影像构建的几种模式比较

Comparative Analyses of Stereo Imaging Modes in Remote Sensing Around the Moon

通过对环月遥感立体影像构建可能被采纳的几种模式比较,从理论上分析卫星航高、立体构像基线、影像分辨率、平面测量精度、高程测量精度诸因素间的关系。提醒注意,当保持卫星高度,用指定面阵相机作正直摄影时,提高影像分辨率却不能提高高程量测精度的事实。提出了使用双相机倾斜摄影模式提高高程量测精度的建议。

The modes for obtaining remote sensing stereo imagery around the moon are compared. The relationship among measuring preeisions of horizontal position and height, satellite orbit height, length of base line and special resolution is analyzed. It should be noted that the height measuring precision can not be impoved by higher resolution if the satellite orbit height and the parameters of CCD camera keep no change. For improving the height measuring precision, a mode of inclined imaging by using two CCD cameras is proposed.