| 基于不同频率的动态人体模型的SAR研究 |
| |
| 引用本文： | 刘圣蓉,苏丹,孙朋,章敬雪,严巧凤,李章勇,庞宇.基于不同频率的动态人体模型的SAR研究[J].北京理工大学学报,2015,35(S1):105-110. |
| |
| 作者姓名： | 刘圣蓉 苏丹 孙朋 章敬雪 严巧凤 李章勇 庞宇 |
| |
| 作者单位： | 重庆邮电大学 光电信息感测与传输技术重庆市重点实验室, 重庆 400065,重庆邮电大学 光电信息感测与传输技术重庆市重点实验室, 重庆 400065,解放军309医院, 北京 100091,重庆邮电大学 光电信息感测与传输技术重庆市重点实验室, 重庆 400065,重庆邮电大学 光电信息感测与传输技术重庆市重点实验室, 重庆 400065,重庆邮电大学 光电信息感测与传输技术重庆市重点实验室, 重庆 400065,重庆邮电大学 光电信息感测与传输技术重庆市重点实验室, 重庆 400065 |
| |
| 基金项目： | 国家自然科学基金资助项目(61471075);重庆高校创新团队建设计划(智慧医疗系统与核心技术创新团队)及光电信息感测与传输技术重庆重点实验室资助项目;重庆市应用技术研究重点基金资助项目(cstc2012gg-yyjsB10009) |
| |
| 摘 要： | 为研究人体处于动态时对电磁辐射的吸收情况,基于时域有限差分法建立了步行和跑步两态的非均匀的三维动态人体模型,在0.9 GHz和2.4 GHz下采用半波偶极子天线贴近人体皮肤表面处对人体的SAR值进行仿真,得到其在不同频率和不同位置下的SAR值.仿真结果表明,无论在人体步行还是跑步过程中,频率越大,人体对电磁辐射的吸收越多,对人体危害越大,同时步行和跑步过程中对电磁辐射的吸收也不同.
|
| 关 键 词： | 无线体域网 比吸收率 动态人体模型 电磁辐射 |
| 收稿时间： | 2015/3/20 0:00:00 |
Compare of Dynamic Human Model SAR About Different Frequency Radiation in BAN |
| |
| LIU Sheng-rong,SU Dan,SUN Peng,ZHANG Jing-xue,YAN Qiao-feng,LI Zhang-yong and PANG Yu.Compare of Dynamic Human Model SAR About Different Frequency Radiation in BAN[J].Journal of Beijing Institute of Technology(Natural Science Edition),2015,35(S1):105-110. |
| |
| Authors: | LIU Sheng-rong SU Dan SUN Peng ZHANG Jing-xue YAN Qiao-feng LI Zhang-yong and PANG Yu |
| |
| Institution: | School of Telecommunication and Information Engineering, Chongqing University of Posts and Telecommunications, Chongqing 400065, China,School of Telecommunication and Information Engineering, Chongqing University of Posts and Telecommunications, Chongqing 400065, China,The 309th Hospital of Chinese People's Liberation Army, Beijing 100091, China,School of Telecommunication and Information Engineering, Chongqing University of Posts and Telecommunications, Chongqing 400065, China,School of Telecommunication and Information Engineering, Chongqing University of Posts and Telecommunications, Chongqing 400065, China,School of Telecommunication and Information Engineering, Chongqing University of Posts and Telecommunications, Chongqing 400065, China and School of Telecommunication and Information Engineering, Chongqing University of Posts and Telecommunications, Chongqing 400065, China |
| |
| Abstract: | A study on the absorption electromagnetic radiation of human in static and dynamic state was presented. The specific absorption rate was studied by using the finite-difference time-domain (FDTD) method and moving human models. Two movements including walking and running, each of which had a different dynamical characteristic, were considered. The half wave dipole antenna was used to calculate specific SAR at 0.9 GHz and 2.4 GHz, which acquired the SAR under different frequencies and different positions. The simulation results indicate that, when human walking or running, the greater the frequency the antenna works, the more electromagnetic radiation the human body absorbs, and the greater the harm to the human body suffers. At the same time, it is different for absorption of electromagnetic radiation while the human body is walking and running. |
| |
| Keywords: | wireless body area network SAR dynamic channel characteristics electromagnetic radiation |
|
| 点击此处可从《北京理工大学学报》浏览原始摘要信息 |
| 点击此处可从《北京理工大学学报》下载免费的PDF全文 |
|
