{"title":"Estimation of power absorbed by human body using reverberation chamber","authors":"K. Harima","doi":"10.1109/ISEMC.2012.6351753","DOIUrl":null,"url":null,"abstract":"A technique of estimating the whole-body averaged specific absorption rate (SAR) in a random electric field using a reverberation chamber is presented. The method we propose is based on measuring the S-parameters in the chamber unloaded and loaded with humans. Using this technique, exposure levels to humans can be low, yet the S-parameters can be used to calculate SAR for higher exposures. The SAR in a human volunteer was measured from 1 to 4 GHz. We found that SAR under conditions of random wave exposure was approximately 50% lower than that under the worst-case conditions.","PeriodicalId":197346,"journal":{"name":"2012 IEEE International Symposium on Electromagnetic Compatibility","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"2012-11-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"7","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2012 IEEE International Symposium on Electromagnetic Compatibility","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ISEMC.2012.6351753","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 7
Abstract
A technique of estimating the whole-body averaged specific absorption rate (SAR) in a random electric field using a reverberation chamber is presented. The method we propose is based on measuring the S-parameters in the chamber unloaded and loaded with humans. Using this technique, exposure levels to humans can be low, yet the S-parameters can be used to calculate SAR for higher exposures. The SAR in a human volunteer was measured from 1 to 4 GHz. We found that SAR under conditions of random wave exposure was approximately 50% lower than that under the worst-case conditions.