现代当微波辐照一个雷达接收机时,将对雷达接收机产生“带内”干扰但是当入射电 磁脉冲作用于系统中的某一设备时,系统中的其他设备也很可能会受到影响。本文采用传输线网络拓扑模型来表示复杂系统,并运用BLT 方程来分析传输线网络对电磁激励的响应。最后结合三种典型的系统结构进行了举例分析。 关键词:BLT 方程;传输线网络;电磁激励;结点散射矩阵;系统结构 Abstract: Modern electric devices always work in complicated electromagnetic environment. Although some shield measures, when an incident electromagnetic pulse acts on a certain device in the system, other devices may be affected. In this paper, a complicated system is represented by a transmission line network topology model, and its response to the electromagnetic excitement is analyzed using BLT Equation. And this paper gives an example of three typical system configurations. Key words: BLT Equation;Transmission Line Network;Electromagnetic Excitement;Node Scattering Matrix; systemic configuration