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The correlation between mass-averaged SAR and temperature elevation in the human head model exposed to RF near-fields from 1 to 6 GHz.
https://nitech.repo.nii.ac.jp/records/5479
https://nitech.repo.nii.ac.jp/records/5479f39ceecc-fbfe-4d0d-9069-c5f8f0acc7b1
名前 / ファイル | ライセンス | アクション |
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本文_fulltext (606.8 kB)
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c 2009 IOP Publishing Ltd.This is an author-created, un-copyedited version of an article accepted for publication in Physics in medicine and biology. IOP Publishing Ltd is not responsible for any errors or omissions in this vsion of the manuscript or anversion derived from it. The definitive publisher-authenticated version is available online at 10.1088/0031-9155/54/23/013.
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2013-06-25 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | The correlation between mass-averaged SAR and temperature elevation in the human head model exposed to RF near-fields from 1 to 6 GHz. | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
著者 |
Hirata, Akimasa
× Hirata, Akimasa× Fujiwara, Osamu |
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著者別名 | ||||||
姓名 | 平田, 晃正 | |||||
著者別名 | ||||||
姓名 | 藤原, 修 | |||||
書誌情報 |
Physics in medicine and biology 巻 54, 号 23, p. 7227-7238, 発行日 2009-12-07 |
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出版者 | ||||||
出版者 | Institute of Physics Publishing | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 00319155 | |||||
書誌レコードID(NCID) | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA00774048 | |||||
著者版フラグ | ||||||
出版タイプ | AM | |||||
出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa | |||||
DOI | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | DOI | |||||
関連識別子 | http://dx.doi.org/10.1088/0031-9155/54/23/013 | |||||
関連名称 | 10.1088/0031-9155/54/23/013 | |||||
内容記述 | ||||||
内容記述タイプ | Other | |||||
内容記述 | In the present study, we investigate the relationship between the mass-averaged specific absorption rate (SAR) and temperature elevation in anatomically based Japanese head models due to the dipole antenna. A homogeneous cubical model is also used as a basis for the investigation. The frequency region considered is from 1 to 6 GHz. We focused on the averaging mass of SAR, which maximizes the correlation with local temperature elevation. An averaged SAR over 10 g was found to reasonably correlate with local temperature elevation even for frequencies from 3 to 6 GHz. The dominant factor influencing the correlation between mass-averaged SAR and temperature elevation is suggested to be the thermal diffusion length in biological tissue, together with the penetration depth of radio-frequency waves. The correlation of local temperature elevation to mass-averaged SAR is largely influenced by the blood perfusion rate, while at most 10% or less is due to the pinna, model inhomogeneity and the antenna position relative to the head model. | |||||
フォーマット | ||||||
内容記述タイプ | Other | |||||
内容記述 | application/pdf |