本文介绍了态势评估的国内外理论、应用研究现状,总结了态势评估常用的技术是人工智能、专家系统、黑板模型、逻辑模板匹配、计划识别、贝叶斯网络等。并就态势评估在国外的主要应用进行了总结。本文还讨论了态势评估与信息融合之间的关系,介绍了广义、狭义的信息融合概念并着重介绍了JDL模型。 This paper introduces the theory of situation assessment at home and abroad, the status quo of applied research, and summarizes the commonly used technologies of situation assessment are artificial intelligence, expert system, blackboard model, logic template matching, program identification, Bayesian networks. The main applications of the situation assessment in foreign countries are summarized. This paper also discusses the relationship between situation assessment and information fusion, introduces the generalized and narrow concept of information fusion and emphatically introduces the JDL model.