| 一种医用微波腔体的并矢格林函数和矩量法分析 |
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| 引用本文： | 薛正辉,刘永善,李德生,王堃. 一种医用微波腔体的并矢格林函数和矩量法分析[J]. 北京理工大学学报(英文版), 1996, 5(1): 19-26 |
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| 作者姓名： | 薛正辉 刘永善 李德生 王堃 |
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| 作者单位： | 北京理工大学材料科学研究中心 |
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| 摘 要： | 描述了一种医用微波辐射器的结构形式，对这种多模矩形介质腔，应用并矢格林函数和矩量法进行了理论分析计算，求得了其中的电磁场强度及功率密度的分布以及受作用生物样品的温度升高率，并以改善生物样品受微波作用的均匀性和腔体的输入驻波比为目的，对腔体的尺寸和腔体微波能输入口的位置进行了计算机优化，进行了必要的实验，并与理论计算和优化的结果进行了比较验证．
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| 关 键 词： | 微波治疗机；矩量问题；并矢格林函数 |
Analysis of a Cavity Used for Medical Purposes with the Dyadic Green''s Functions and the Moment method |
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| Xue Zhenghui,Liu Yongshan,Li Desheng and Wang Kun. Analysis of a Cavity Used for Medical Purposes with the Dyadic Green''s Functions and the Moment method[J]. Journal of Beijing Institute of Technology, 1996, 5(1): 19-26 |
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| Authors: | Xue Zhenghui Liu Yongshan Li Desheng Wang Kun |
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| Affiliation: | Center for Research on Materials Science, Beijing Institute of Technology, Beijing 100081;Center for Research on Materials Science, Beijing Institute of Technology, Beijing 100081;Center for Research on Materials Science, Beijing Institute of Technology, Beijing 100081;Center for Research on Materials Science, Beijing Institute of Technology, Beijing 100081 |
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| Abstract: | The structure of a microwave radiator used for medical purposes is described. The dyadic Green's function and the method are used to analyze this Kind of multimode rectangular medium-filled cavity. The distribution of electromagnetic field intensity and the power density,as well as the temperature effect in the biological sample load are obtained.OPtimization of the size of cavity and the position of the input aperture have been performed with the computer to optimize the uniformity or microwave effect and the input VSWR.Necessary experiments were performed to compare the data obtained with theoretical analysis. |
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| Keywords: | microwave therapy apparatus moment problems dyadic Green's function |
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