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针对我国长期以来,对复杂系统的电磁兼容管理主要依赖于对设备电磁兼容测试来发现问题,极大可能导致产品的“过设计”和“欠设计”两种不利现象。本文以空间通信链路为例,分析研究电磁环境对空间通信链路的影响,建立与通信链路相关的统计模型,并根据电磁环境特征的随机性特点,提出了电磁环境效应的分析方法,通过实验测试,验证了方法的有效性,为空间通信链路等复杂系统环境效应仿真及预测提供了评估准则。
For our country for a long time, the EMC management of complex systems relies mainly on the EMC testing of equipment to find problems, which may result in two unfavorable phenomena of “over design” and “under design” of the product. Taking the space communication link as an example, the paper analyzes and studies the influence of the electromagnetic environment on the space communication link and establishes the statistical model related to the communication link. According to the random characteristic of the electromagnetic environment, this paper proposes the analysis method of electromagnetic environment effect, The experimental results verify the effectiveness of the proposed method and provide an evaluation criterion for simulation and prediction of environmental effects in complex systems such as space communication links.