Complex electromagnetic environment is the basic feature of modern warfare, and its impact on the effectiveness of weapon equipment system cannot be ignored in armament demonstration. On the background of the demand of armament demonstration for complex electromagnetism environment effect assessment, the feature of mission level simulation in US mil-itary equipment acquisition is analyzed. Around the core problem, such as"what simulation","model how to build" of com-plex electromagnetism environment in mission level simulation, model requirements and model architecture is studied, and based on the relationship among electromagnetism environment, role object and influential effect, the element of electromag-netism environment model and the composition and interaction of model architecture are suggested, which can support model analysis and design of mission level simulation system.%复杂电磁环境是现代战争的基本特征,其对武器装备体系效能的影响是装备发展论证不可忽视的重要问题.以装备论证对复杂电磁环境影响效应评估需求为背景,分析了美军装备采办中广泛应用的任务级仿真的特点.围绕任务级仿真系统复杂电磁环境"仿什么"、"模型如何建"关键问题,研究了其建模需求和仿真模型体系,并基于电磁环境、作用对象和影响效应之间的关系,提出了电磁环境建模要素以及模型体系结构组成与交互关系,可支撑任务级仿真系统模型分析与设计.
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