| Presentation | 2011-10-06 Estimation Scheme of Whole-Body Average SARs in Grounded Human Models at Resonance Frequencies Kazuya YANASE, Ilkka Laakso, 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 radio frequency wave exposure is caused by body core temperature rise. According to the international guidelines, whole-body average specific absorption rate (WBA-SAR) is used as a metric for human protection from radio frequency whole-body exposures. It is well known that WBA-SAR largely depends on the frequency of the incident wave for a given incident power density. The frequency at which the WBA-SAR becomes maximal is called the "resonant frequency". It is also said that WBA-SAR in a grounded human is thought to be larger than that in an ungrounded human. Our previous study proposed a scheme for estimating WBSAR based on analogy between power absorption characteristic of human models on grounded and a monopole antenna at respective resonance frequencies. However, the variability of WBA-SAR caused by body shape have not been discussed sufficiently. In the present study, the WBA-SARs in grounded human models including pregnant woman and European and American are calculated at their respective resonant frequencies using the FDTD method. We then proposed a formula 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 / WBSAR / FDTD method |
| Paper # | EST2011-65 |
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| Committee | EST |
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| Conference Date | 2011/9/29(1days) |
| Place (in Japanese) | (See Japanese page) |
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| Topics (in Japanese) | (See Japanese page) |
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| Paper Information | |
| Registration To | Electronic Simulation Technology (EST) |
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| Language | JPN |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Estimation Scheme of Whole-Body Average SARs in Grounded Human Models at Resonance Frequencies |
| Sub Title (in English) | |
| Keyword(1) | resonant frequency |
| Keyword(2) | WBSAR |
| Keyword(3) | FDTD method |
| 1st Author's Name | Kazuya YANASE |
| 1st Author's Affiliation | Nagoya Institute of Technology() |
| 2nd Author's Name | Ilkka Laakso |
| 2nd Author's Affiliation | Nagoya Institute of Technology |
| 3rd Author's Name | Akimasa HIRATA |
| 3rd Author's Affiliation | Nagoya Institute of Technology |
| 4th Author's Name | Osamu FUJIWARA |
| 4th Author's Affiliation | Nagoya Institute of Technology |
| 5th Author's Name | Tomoaki NAGAOKA |
| 5th Author's Affiliation | National Institute of Information and Communications Technology |
| 6th Author's Name | Soichi WATANABE |
| 6th Author's Affiliation | National Institute of Information and Communications Technology |
| Date | 2011-10-06 |
| Paper # | EST2011-65 |
| Volume (vol) | vol.111 |
| Number (no) | 224 |
| Page | pp.pp.- |
| #Pages | 6 |
| Date of Issue | |