| Presentation | 2010-07-29 Estimation of whole-Body Average SAR in Grounded Human Models for RF Far-Field Esposures Kazuya YANASE, Akimasa HIRATA, Osamu FUJIWARA, Tomoaki NAGAOKA, Soichi WATANABE, |
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| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | Biological effects due to whole-body exposure at radio frequencies is caused by core temperature rise. According to the international guidelines, whole-body average specific absorption rate (WBSAR) is used as a metric of basic restriction for radio frequency whole-body exposure. It is well known that WBSAR is largely dependent on the frequency of the incident wave for a given incident power density. The frequency at which the WBSAR becomes maximal is called the "resonant frequency". Our previous study proposed a scheme for estimating WBSAR at resonance frequency based on an analogy between power absorption characteristic of human models and a dipole antenna. However, a scheme for estimating WBSAR in a grounded human has not been discussed sufficiently, even though WBSAR in a grounded human is thought to be larger than that in an ungrounded human. In the present study, we calculated the WBSARs in grounded human models at their respective resonant frequencies by the Finite-Difference Time-Domain (FDTD) method. We then proposed a fonnula for estimating the WBSAR based on an analogy to a quarter-wavelength monopole antenna. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | resonant frequency / Whole-body average specific absorption rate / FDTD method |
| Paper # | MW2010-53,OPE2010-38 |
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| Committee | MW |
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| Conference Date | 2010/7/22(1days) |
| Place (in Japanese) | (See Japanese page) |
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| Topics (in Japanese) | (See Japanese page) |
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| Registration To | Microwaves (MW) |
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| Language | JPN |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Estimation of whole-Body Average SAR in Grounded Human Models for RF Far-Field Esposures |
| Sub Title (in English) | |
| Keyword(1) | resonant frequency |
| Keyword(2) | Whole-body average specific absorption rate |
| Keyword(3) | FDTD method |
| 1st Author's Name | Kazuya YANASE |
| 1st Author's Affiliation | () |
| 2nd Author's Name | Akimasa HIRATA |
| 2nd Author's Affiliation | Nagoya Institute of Technology |
| 3rd Author's Name | Osamu FUJIWARA |
| 3rd Author's Affiliation | Nagoya Institute of Technology |
| 4th Author's Name | Tomoaki NAGAOKA |
| 4th Author's Affiliation | National Institute of Information and Communications Technology |
| 5th Author's Name | Soichi WATANABE |
| 5th Author's Affiliation | National Institute of Information and Communications Technology |
| Date | 2010-07-29 |
| Paper # | MW2010-53,OPE2010-38 |
| Volume (vol) | vol.110 |
| Number (no) | 155 |
| Page | pp.pp.- |
| #Pages | 6 |
| Date of Issue | |