書誌事項
- タイトル別名
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- Microwave Absorber Properties of Magnetic and Dielectric Composite Materials
- ジセイ ユウデンセイ フクゴウタイ ノ デンパ キュウシュウ トクセイ
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抄録
In recent years, because of the rapid progress in wireless technology, microwave absorbers or noise suppressors have become necessary for a safe-electromagnetic-wave-level environment. To design microwave absorbers or noise suppressors, it is necessary to have knowledge of complex permittivity, εr* and permeability, μr*. In this report, we show the values of complex permeability, μr* and permittivity, εr* for a composite materials of magnetic (Iron, Fe, coated by Fe3O4) and dielectric (Titanium Oxide, TiO2), by changing Fe / TiO2 volume fraction ratio. As changing of these, we can change the values of complex permeability (μr* = μr' - jμr") and complex permittivity (εr* = εr' - jεr"). And the results are applied in the design of a microwave absorber which makes reflection losses and the central frequency to do a purpose, for example, necessary conditions of ETC (5.8GHz) use in Japan.
収録刊行物
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- 電気学会論文誌. A
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電気学会論文誌. A 128 (6), 441-448, 2008
一般社団法人 電気学会
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詳細情報 詳細情報について
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- CRID
- 1390001204594178304
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- NII論文ID
- 10021130066
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- NII書誌ID
- AN10136312
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- BIBCODE
- 2008IJTFM.128..441A
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- ISSN
- 13475533
- 03854205
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- NDL書誌ID
- 9532173
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可