A Theoretical Approach to Matching Characteristics of a Novel Absorber Based on the Concept of Equivalent Transformation Method of Material Constant(<Special Section>Near-/Far-Field EM Absorption and Shielding)
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概要
- 論文の詳細を見る
Based on the concept of Equivalent Transformation Method of Material Constant (ETMMC), a thin and light weight EM-wave absorber is newly proposed. It becomes possible to merge both the competing characteristics of changing the matching frequency toward a higher frequency region by means of punching out small holes in the magnetic absorber and of changing the matching frequency toward a lower frequency region by attaching periodical conductive patterns to the surface of it. First, the ETMMC idea is introduced in this paper. The detailed matching characteristics of the present absorber are investigated based on FDTD analysis. The matching mechanism is clarified from input admittance chart viewpoints. The matching characteristics can be changed from 2.4 GHz to above 6.0 GHz using carbonyl iron with the thickness of 2 mm and improved below -20 dB.
- 社団法人電子情報通信学会の論文
- 2006-01-01
著者
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Kotsuka Youji
Department Of Telecommunications Engineering Tokai University
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Kotsuka Youji
Department Of Communication Engineering Tokai University
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Shimodaira Kazuo
Department Of Telecommunications Engineering Tokai University:(present Address)kandenko Co. Ltd.
関連論文
- Medical Application of Electromagnetic Waves
- Investigation on a Method of Broadly Changing Matching Frequency Characteristics of Ferrite EM-absorber
- A Method of Broadly Changing the Matching Frequency Characteristics of Ferrite EM-Absorber
- Investigation of a Method of Changing Broadly Matching Frequency Characteristics Using Open-Hole Ferrite Absorber
- A Theoretical Approach to Matching Characteristics of a Novel Absorber Based on the Concept of Equivalent Transformation Method of Material Constant(Near-/Far-Field EM Absorption and Shielding)
- An improving method of matching characteristics of EM-wave absorber with stratified shorting plate.(ABSTRACTS OF PROCEEDINGS OF THE SCHOOL OF INFORMATION TECHNOLOGY AND ELECTRONICS SERIES J TOKAI UNIVERISYT : 2002-2003)
- Present Trends of Electromagnetic Compatibility(ABSTRACTS OF PROCEEDINGS OF THE SCHOOL OF INFORMATION TECHNOLOGY AND ELECTRONICS SERIES J TOKAI UNIVERISYT : 2002-2003)