说明：  本文针对图象匹前技术在飞行器巡航制导和导弹投射系统束制导寻的中的应用问题，首先简 要地介绍了图象匹配技术的定位原理，然后对各类图象匹配算法进行了分类和比较
(This image piece for the technology in the aircraft before the cruise missile guidance and homing guidance beam projection system of problems, first of all briefly introduced the principle of image matching technology to locate, and then all image matching algorithms are classified and compared)