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
来源：
IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS | 2001年 / 11卷 / 06期
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.
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页码：267 / 269
页数：3
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