The time-frequency interpretation for transient evolution of wave propagation through dispersive medium

被引:0
|
作者
Dong, XT [1 ]
Jiang, YS [1 ]
Wang, WB [1 ]
机构
[1] Xian Jiao Tong Univ, Sch Elect & Informat Engn, Xian 710049, Peoples R China
关键词
dispersive medium; time-frequency analysis; transient electromagnetic field;
D O I
10.1109/7260.928934
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
The propagation of electromagnetic waves in a linear, dispersive Lorentz medium is calculated using finite-difference time-domain (FDTD) method; their time-frequency (TF) characteristics are studied using Gabor extension. Numerical results show that TF spectrum gives clear interpretation for transient evolution of ultra wide-band pulse propagation through Lorentz medium.
引用
收藏
页码:267 / 269
页数:3
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