| Electric Potential in a Dielectric Sphere Head Produced by a Time-Harmonic Equivalent Current Dipole |
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| 引用本文： | Xiao-Yong Duan Shi-Zheng Peng Long-Wu Li Xiao-Chun Liu Rong Xin. Electric Potential in a Dielectric Sphere Head Produced by a Time-Harmonic Equivalent Current Dipole[J]. 中国电子科技, 2007, 5(3): 268-271 |
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| 作者姓名： | Xiao-Yong Duan Shi-Zheng Peng Long-Wu Li Xiao-Chun Liu Rong Xin |
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| 作者单位： | with Laboratory for Photoelectric Technology and Application and School of Science, Guizhou University, Guiyang, 550025, China |
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| 基金项目： | This work was supported by the Science and Technology Foundation of Guizhou Province under Grant No.20052005. |
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| 摘 要： |
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| 关 键 词： | 电子准静态 介电常数 频率 时间谐波当量 |
| 修稿时间： | 2007-05-15 |
Electric Potential in a Dielectric Sphere Head Produced by a Time-Harmonic Equivalent Current Dipole |
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| Xiao-Yong Duan,Shi-Zheng Peng,Long-Wu Li,Xiao-Chun Liu,Rong Xin. Electric Potential in a Dielectric Sphere Head Produced by a Time-Harmonic Equivalent Current Dipole[J]. Journal of Electronic Science Technology of China, 2007, 5(3): 268-271 |
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| Authors: | Xiao-Yong Duan Shi-Zheng Peng Long-Wu Li Xiao-Chun Liu Rong Xin |
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| Abstract: | A time-harmonic equivalent current dipole model is proposed to simulate EEG source which deals with the problem concerning the capacitance effect. The expressions of potentials in both homogeneous infinite dielectric medium and dielectric sphere on the electroquasistatic condition are presented. The potential in a 3-layer inhomogeneous spherical head is computed by using this model. The influences on potential produced by time-harmonic character and permittivity are discussed. The results show that potentials in dielectric sphere are affected by frequency and permittivity. |
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| Keywords: | Electroquasistatic frequency permit- tivity time-harmonic equivalent current dipole time- harmonic factor. |
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