基于FDTD方法的无线电波透地传输特性的研究  

Propagation Characteristics of the Radio Wave Through-the-stratum Based on the FDTD Method

作　　者：刘凌志[1] 王建新[1] 刘联会[1] 

机构地区：[1]西安科技大学通信与信息工程学院,陕西西安710054

出　　处：《现代电子技术》2004年第10期55-56,59,共3页Modern Electronics Technique

摘　　要：介绍了时域有限差分法 ( F DTD)的基本原理 ;模拟了电磁波在大地非均匀介质信道中的传播 ,研究了透地通信系统中的电磁波在有耗大地分层面的反射和透射 ,得出了对透地通信系统设计有重要意义的反射系数和透射系数 ,说明了The principle of the Finite Difference Time Domain(FDTD) method id introduced, the propagation characteristic of EM wave in the inhomogeneous and multiplayer channel of communication system through the earth is calculated and simulated, and the reflection and transmission coefficients are obtained based on the different electric parameters in the channel The result is very important to design the system of communication through the earth it has shown that the FDTD method is a very effective way to solve the transmission problem in complex mediums

关 键 词：透地通信 大地信道 时域有限差分法 透射 

分 类 号：TN011[电子电信—物理电子学]