| 影响感应电场分布的线圈设计因素分析 |
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| 引用本文： | 韩建新,张杰,王学民,王明时. 影响感应电场分布的线圈设计因素分析[J]. 中国生物医学工程学报, 2001, 20(1): 80-84 |
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| 作者姓名： | 韩建新 张杰 王学民 王明时 |
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| 作者单位： | 天津大学生命科学与工程研究院, |
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| 摘 要： | 本文理论上分析了影响头部磁刺激感应电场分布的各种因素，包括刺激线圈的形状、线圈的直径、直径与刺激深度比的影响以及线圈间距和通过线圈电流方向的影响等。分别计算了这些因素的变化引起的感应电场的变化情况，结果表明当直径为刺激浓度的２－４倍时刺激的定位性能较好。
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| 关 键 词： | 头部磁刺激 感应电场 蝶形线圈 影响因素 神经刺激 |
| 修稿时间： | 1999-09-09 |
ANALYSIS OF FACTORSINFLUENCING THE DISTRIBUTION OF INDUCED ELECTRIC FIELDS DURING COIL DESIGN |
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| Han Jianxin,Zhang Jie,WANG Xuemin,Wang Mingshi. ANALYSIS OF FACTORSINFLUENCING THE DISTRIBUTION OF INDUCED ELECTRIC FIELDS DURING COIL DESIGN[J]. Chinese Journal of Biomedical Engineering, 2001, 20(1): 80-84 |
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| Authors: | Han Jianxin Zhang Jie WANG Xuemin Wang Mingshi |
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| Abstract: | In this paper, influences of coil geometry and related factors on distribution of induced electric fields during magnetic stimulation were analyzed theoretically, which includes the shape and the diameter of the coil, the ratio between diameter and stimulation depth, the gap between two coils and current direction. The different changes of induced electric field brought about by changing of these factors were calculated. The result showed the effect of localization was good, when the diameter of the coil was 2 to 4 times of the depth of stimulation. |
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| Keywords: | Magnetic stimulation Induced electric field Butterfly shaped coils |
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