“战斧”巡航导弹是美国七十年代初研制的一种新型的先进的低价巡航导弹。它具有多种发射方式、弹道可变、隐蔽性好、突防能力强的特性,加之采用了地形匹配系统和数字景象相关器,使其命中精度明显地提高。本文介绍了“战斧”巡航导弹采用的数字式景象匹配区域相关器的组成和工作原理。 “Tomahawk” cruise missiles is the United States developed in the early seventies a new type of advanced low-cost cruise missiles. It has a variety of launch modes, trajectory variable, good concealment, penetration ability and strong features, combined with the terrain matching system and digital scene correlator, so that the accuracy of its hit significantly improved. This article describes the composition and working principle of the Digital Scene Matching Correlator used in Tomahawk cruise missiles.