Presentation 2005-11-17
Study on estimating the complex reflection coefficient of the EM-wave absorption materials by the power measurements
Atsushi YANAGISAWA, Yoshinori KOGAMI,
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Abstract(in English) An estimating method for the millimeter wave absorber is investigated in this paper. The rotating electric field vector method is well known for a measurement technique in the free space method. As this technique is applying with the vector measurements, the measurement system may be very expensive, especially for millimeter-wave region. In order to reduce the cost for the measurement equipment, we propose a modified technique of the complex reflectivity evaluation. At first, the measurement principle is shown and its validity is proved by the experiments in the microwave region. Furthermore, the millimeter wave measurement with this technique is investigated experimentally.
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Keyword(in English) EM-wave absorber / Reflection coefficient / Free space method / Rotating electric field vector method / Power measurement
Paper # ED2005-171,MW2005-126
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Committee ED
Conference Date 2005/11/10(1days)
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Title (in English) Study on estimating the complex reflection coefficient of the EM-wave absorption materials by the power measurements
Sub Title (in English)
Keyword(1) EM-wave absorber
Keyword(2) Reflection coefficient
Keyword(3) Free space method
Keyword(4) Rotating electric field vector method
Keyword(5) Power measurement
1st Author's Name Atsushi YANAGISAWA
1st Author's Affiliation Faculty of Engineering, Utsunomiya University()
2nd Author's Name Yoshinori KOGAMI
2nd Author's Affiliation Faculty of Engineering, Utsunomiya University
Date 2005-11-17
Paper # ED2005-171,MW2005-126
Volume (vol) vol.105
Number (no) 400
Page pp.pp.-
#Pages 6
Date of Issue