结论:多信道经颅磁刺激线圈阵列在人体头部产生的电磁场可控性强,聚焦性能强,而且可同时刺激不同的靶目标。
Conclusion: the magnetic and electric fields produced by transcranial brain multichannel magnetic stimulation are easy to focus and control, and they can focus on two or more targets simultaneously.
建立了磁刺激的一般模型,以了解和预测磁线圈所产生的感应电场的空间分布。
A model of magnetic stimulation is presented for analysis of the spatial distributions of the electric field induced by magnetic coils.
在磁刺激激活函数达到阈值条件下,调整平面螺旋线圈的结构并计算出依赖于线圈结构参数的输出性能值,从而,寻找最优的线圈几何参数。
With the activating function at stimulating threshold, an optimal coil is searched by adjusting the coil structure parameters and computing the corresponding coil output.
设计制作了一套磁刺激系统,这套系统可产生2.5特斯拉的磁感应强度(8字形线圈),最高工作电压为2千伏。
A set of MS system that produces 2.5 Tesla pulsed magnetic field (8-shaped coil) and the highest working voltage is 2kv is developed.
方法:设计了一种新型经颅磁刺激仪的线圈阵列,建立在人体头部产生的电磁场模型。
Methods: The coil array of transcranial brain multichannel magnetic stimulation is designed and the theoretical field model is built in this paper.
通过两种磁线圈电场强度三维分布的仿真,确定了磁刺激的效果和影响磁刺激聚焦性和深度的因素。
By 3 D simulation of the induced electric field of two kinds of coils, the effect of magnetic stimulation can be demonstrated and the factors influencing stimulating focality and depth are identified.
通过两种磁线圈电场强度三维分布的仿真,确定了磁刺激的效果和影响磁刺激聚焦性和深度的因素。
By 3 D simulation of the induced electric field of two kinds of coils, the effect of magnetic stimulation can be demonstrated and the factors influencing stimulating focality and depth are identified.
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