后方交会程序设计，航空影像单像空间后方交会是利用影像所覆盖地面范围内若干控制点的已知地面坐标和相应点的像点坐标，根据共线方程，在最小二乘法的原则下，计算航空影像的外方位元素。-Resection programming, aerial imagery, as space resection is the single image is covered by a number of ground control points within the known ground coordinates