星载AIS技术是近年来提出的一个新研究方向,它具有广阔的应用前景,引起了各国学者广泛关注.本文介绍了国外星载AIS技术的发展情况,首先介绍船载AIS系统的基本情况,在此基础上详细介绍了星载AIS概念和发展现状,然后着重介绍了其相关关键技术的研究进展,最后指出了星载AIS技术可能的进一步发展方向.“,”Space-based AIS is a new research field which has arisen in recent years. It may be widely spread, which attracts a growing interests from researchers in the world. The technical development status of the space-based AIS abroad is introduced, including the shipbome AIS status, the concept and development of space-based AIS, with the emphasis on the current status concerning the key technologies. The potentially future trend in technology of the space-based AIS is presented.