Using three non-collinear reference points and a charge coupled device(CCD)camera to get the 3D information of a body,the alignment attitude of a main propulsion engine is described with Euler angles.

• 利用3个非共线设置的特征光标和单个CCD相机来获取空间物体的三维信息,采用广义欧拉角(布利恩角)来描述主机的对中姿态。