In-situ broadband Characterization of Complex EM-parameters of microwave absorber (光・電波ワークショップ)

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概要

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• A coaxial-probe-based in-situ broadband measurement system has been established to characterize the complex Electromagnetic (EM) Parameters of magnetic absorbing materials. With an emphasis on key techniques for dispersive materials, the Frequency-variation method (FVM) was further studied for simultaneously measuring the both complex permittivity and complex permeability by intentionally varying the test frequency to obtain two different reflections. Criterions for a right order of the interpolation polynomial used to approximate the frequency-dependent EM parameters; measures to reduce the residual mismatch errors in reflection measurements and to suppress the ambiguities in solving the transcendent equation system were discussed in detail. Several typical dispersive absorbing coatings have been tested via FVM. The good comparison between the measured results and reference ones validate the feasibility of the proposed improved technique.

• 社団法人電子情報通信学会の論文
• 2006-07-20

著者

• Chen Chun-ping

  Kanagawa University:shanghai University

• MA Zhewang

  Faculty of Engineering, Saitama University

• Ma Zhewang

  Saitama University

• Ma Zhewang

  Faculty Of Engineering Saitama University

• Anada Tetsuo

  Kanagawa University

• Anada Tetsuo

  Department Of Electrical Electronics And Information Engineering Faculty Of Engineering Kanagawa Uni

• CHEN Chun-Ping

  Department of Electronics and Informatics Frontiers &High-Tech Research Center, Kanagawa University

• HSU Jui-Pang

  Department of Electronics and Informatics Frontiers &High-Tech Research Center, Kanagawa University

• Hsu Jui-pang

  Department Of Electronics And Informatics Frontiers &high-tech Research Center Kanagawa Universi

• Hsu Jui-pang

  Department Of Electrical Electronics And Information Engineering Kanagawa University

• Chen Chun-ping

  Department Of Electronics And Informatics Engineering Kanagawa University

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