| 任意方向电场作用下电缆方程的研究 |
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| 引用本文： | 王萍,宋清虹,王江,费向阳,张立.任意方向电场作用下电缆方程的研究[J].天津大学学报(自然科学与工程技术版),2004,37(6):515-519. |
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| 作者姓名： | 王萍 宋清虹 王江 费向阳 张立 |
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| 作者单位： | 天津大学电气与自动化工程学院,天津300072 |
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| 基金项目： | 国家自然科学基金资助项目(50177023). |
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| 摘 要： | 在传统电缆方程基础上，增加径向电场的作用，提出了一种能够描述磁场刺激神经轴突兴奋的改进的电缆方程和激活函数，仿真结果验证了其正确性．利用改进的电缆方程计算了磁场刺激的神经轴突膜电压响应，充分表明径向电场在膜电压形成中的作用，改进的电缆方程和激活函数能够比较准确地描述任意方向电场作用下膜电压的响应，更好地描述神经轴突在磁场作用下的兴奋．
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| 关 键 词： | 电缆方程 激活函数 轴向 径向 |
| 文章编号： | 0493-2137(2004)06-0515-05 |
| 修稿时间： | 2003年2月11日 |
Research on Cable Equation Under Any Directional Electrical Field |
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| WANG Ping,SONG Qing-hong,WANG Jiang,FEI Xiang-yang,ZHANG Li.Research on Cable Equation Under Any Directional Electrical Field[J].Journal of Tianjin University(Science and Technology),2004,37(6):515-519. |
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| Authors: | WANG Ping SONG Qing-hong WANG Jiang FEI Xiang-yang ZHANG Li |
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| Abstract: | A modified cable equation and an activating function are obtained to describe the response of the neuraxon under the magnetic field based on the traditional model. Simulation results show the modified model is valid. The response of the neuraxon under the magnetic field is calculated by applying the modified cable equation. In the process, the influence of radial direction electrical field is presented.The modified cable equation and the activating function can be used to represent the response of membrane voltage under any directional electrical field and describe exactly the excitation of neuraxon to the magnetic field. |
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| Keywords: | cable equation activating function axial direction radial direction |
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