中国物理B ›› 2014, Vol. 23 ›› Issue (4): 48403-048403.doi: 10.1088/1674-1056/23/4/048403

• INTERDISCIPLINARY PHYSICS AND RELATED AREAS OF SCIENCE AND TECHNOLOGY • 上一篇    下一篇

The determination of the relative permittivity of periodic stratified media based on the iterative time-reversal method

章志敏a b, 王秉中a, 梁木生a, 纪晴b, 宋钢兵b   

  1. a Institute of Applied Physics, University of Electronic Science and Technology of China, Chengdu 610054, China;
    b Smart Material and Structure Laboratory, Department of Mechanical Engineering, University of Houston, Houston, Texas 77004, USA
  • 收稿日期:2013-06-27 修回日期:2013-10-12 出版日期:2014-04-15 发布日期:2014-04-15
  • 基金资助:
    Project supported by the National Natural Science Foundation of China (Grant Nos. 61071031, 61107018, and 61201089), the Research Fund for the Doctoral Program of Higher Education of China (Grant Nos. 20100185110021 and 20120185130001), the Program for Changjiang Scholars and Innovation Team in University, China (Grant No. IRT1113), the Natural Science Foundation of the Higher Education Institutions of Anhui Province (Grant No. KJ2013Z287), and Fundamental Research Fund for the Central Universities (Grant No. ZYGX2011YB018).

The determination of the relative permittivity of periodic stratified media based on the iterative time-reversal method

Zhang Zhi-Min (章志敏)a b, Wang Bing-Zhong (王秉中)a, Liang Mu-Sheng (梁木生)a, Ji Qing (纪晴)b, Song Gang-Bing (宋钢兵)b   

  1. a Institute of Applied Physics, University of Electronic Science and Technology of China, Chengdu 610054, China;
    b Smart Material and Structure Laboratory, Department of Mechanical Engineering, University of Houston, Houston, Texas 77004, USA
  • Received:2013-06-27 Revised:2013-10-12 Online:2014-04-15 Published:2014-04-15
  • Contact: Wang Bing-Zhong E-mail:bzwang@uestc.edu.cn
  • About author:84.40.Ba; 84.40.Ua; 41.20.-q
  • Supported by:
    Project supported by the National Natural Science Foundation of China (Grant Nos. 61071031, 61107018, and 61201089), the Research Fund for the Doctoral Program of Higher Education of China (Grant Nos. 20100185110021 and 20120185130001), the Program for Changjiang Scholars and Innovation Team in University, China (Grant No. IRT1113), the Natural Science Foundation of the Higher Education Institutions of Anhui Province (Grant No. KJ2013Z287), and Fundamental Research Fund for the Central Universities (Grant No. ZYGX2011YB018).

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摘要： In this paper, we present a new method to determine the relative permittivity of periodic stratified media using the iterative time-reversal method. Based on transmission line theory, the focal peak value of iterative time-reversal electromagnetic waves, which contain information about the periodic stratified medium, is computed in pulse-echo mode. Using the relationship between the focal peak value and the relative permittivity of the periodic stratified medium, the relative permittivity can be obtained by measuring the focal peak value. Numerical simulations are conducted, and the results demonstrate the feasibility of the proposed approach to the measurement of the relative permittivity of a periodic stratified medium.

关键词: iterative time reversal, periodic stratified medium, peak value detection, relative permittivity determination

Abstract: In this paper, we present a new method to determine the relative permittivity of periodic stratified media using the iterative time-reversal method. Based on transmission line theory, the focal peak value of iterative time-reversal electromagnetic waves, which contain information about the periodic stratified medium, is computed in pulse-echo mode. Using the relationship between the focal peak value and the relative permittivity of the periodic stratified medium, the relative permittivity can be obtained by measuring the focal peak value. Numerical simulations are conducted, and the results demonstrate the feasibility of the proposed approach to the measurement of the relative permittivity of a periodic stratified medium.

Key words: iterative time reversal, periodic stratified medium, peak value detection, relative permittivity determination

中图分类号:  (Antennas: theory, components and accessories)

  • 84.40.Ba
84.40.Ua (Telecommunications: signal transmission and processing; communication satellites) 41.20.-q (Applied classical electromagnetism)