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为模拟电磁信号在大尺度复杂大气和地形环境下的传播,研究其传播特性,基于抛物方程模型,以Java为开发语言,设计并实现了一款电磁信号传播模拟系统.该系统包含对大气和地形的建模和以抛物方程为算法的步进计算,最终输出指定计算区域的电磁传播损耗值.测试结果表明:其结果与美国高级折射效应预测系统(AREPS)输出结果基本相符,表明该系统对于复杂战场环境下的电磁环境模拟以及我国国防预警设施建设具有重要意义.
In order to simulate the propagation of electromagnetic signals in large-scale complex atmosphere and terrain environment, the propagation characteristics of electromagnetic signals are studied, and based on the parabolic equation model and Java language, a simulation system of electromagnetic signal propagation is designed and implemented. Terrain modeling and step calculation based on parabolic equation, and finally outputs the electromagnetic propagation loss values of the specified calculation area.The test results show that the results are in good agreement with the output of the Advanced Prediction Effect Prediction System (AREPS) in the United States, indicating that the system It is of great significance to simulate the electromagnetic environment in complex battlefield environment and the construction of national defense early warning facilities in our country.