趋肤深度
- 网络Skin depth
![趋肤深度](../cache/1504475.jpg)
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模拟结果表明在磁场Hall渗透机制特征长度远远小于等离子体离子的无碰撞趋肤深度的条件下,等离子体内部磁场渗透过程主要由电子流体运动的Hall项来控制。
The simulation results show that the penetration of magnetic field into plasma is due to Hall field on the condition that the characteristic Hall length is small compared with the ion collisionless skin depth .
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这种变化是由于高频谐波分量的趋肤深度减小导致的。
The reason is that the skin depth of high frequency harmonic components becomes smaller .
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构成PCB电感的导线是印制电路板上的铜线,其厚度一般接近导体的一个趋肤深度,此时电感的电感值及等效电阻值都会随频率的变化而变化。
The windings of the PCB inductors are formed by the copper tracks on PCB board which thickness is close to a skin-effect depth .
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并经计算证明,信号强度与近表面趋肤深度壳层Meissner态的体积成正比。
The signal intensity was proportional to the Meissner state volume which was a shell layer of the skin effeet in the penetration layer .
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经过数值试验研究了方位各向异性对近、远区划分的影响。得出了如下结论:当各向异性参数一定时,远区场距离(FFD)与趋肤深度之间存在线性关系;
The influence of azimuth-anisotropy on division of the near-field from the far-field has been studied by numeric tests , that resulted in following conclusions : the linear relation between the far-field distance ( FFD ) and skin effect existed when the anisotropic parameters are certain ;
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通过趋肤深度,可以确定波导产品的镀层厚度。
Waveguide product plating thickness can be confirmed through surface effect depth .
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研究表明,有效剖面长度与反演最低频率的趋肤深度相关。
Research has shown that the effective sectional length and the skin depth with the lowest frequency of inversion are relative .
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根据不同频率具有不同的趋肤深度的原理,在模型试验的基础上给出适合三频航空电磁系统的经验公式。
Based on the theory of skin depth , we obtain the empirical formulae that adapt to the triplex-frequency AEM system after modeling .
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随着墙体电导率增大,能量密度衰减越快,直至出现导体的趋肤深度现象。
So it is easy to get different frequency surface effect depth . but as the media conductivity increase , energy attenuation fast .
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可以方便地求出不同频率的趋肤深度。舰载高频地波雷达目标检测与估值研究
So it is easy to get different frequency surface effect depth . Study of Target Detection and Estimation for Shipborne High Frequency Surface Wave Radar
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用迭代方法研究了磁流变体中体心立方结构、面心立方结构及简立方结构3种立方格子导电球的有效磁导率与磁导率比、趋肤深度及频率的依赖关系。
Relations between effective magnetic permeability of body-centered cubic , face-centered cubic and simple cubic lattices of conducting spheres and ratio of magnetic permeability , frequency are studied .
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而多层金属镀膜的等效趋肤深度和等效表面阻抗,是多层金属镀膜导波结构边界条件的直接反映,是分析多层金属镀膜导波结构的基础和关键,必须要首先加以分析。
However , the effective skin depth and the equivalent surface impedance of multilayer metal-plating are the direct reflection of the boundary condition of multilayer metal-coated guided wave structures .
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研究计算了双线圈传感器的感应电动势、信噪比和趋肤深度,为今后仪器的设计提供了理论依据。
In this paper , we research the induction electromotive force , signal - to-noise ratio of the two-coil sensor , all of these can lay the foundation for designing apparatus .
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从设备能量利用率的角度进行分析,得出在设备能量相同的情况下,板料厚度等于趋肤深度时,设备能量利用率最高,板料变形程度最大。
It is acquired that in the cases where all of other forming conditions are the same , the equipment energy utility efficiency and deformation heights of the workpieces are both maximum when the sheet metal thickness is equal to skin depth .
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钢与铝相比具有密度大、电导率小、趋肤深度大等物理特性,钢的电磁铸造需要强大的磁场支持,悬浮钢液所需的磁通密度是铝液的约4.4倍。
As compared with aluminum , steel has some physical properties , such as higher density , lower conductance . EMC of steel needs stronger magnetic field . The magnetic density to suspend liquid steel is about 4.4 times than that to suspend aluminum liquid .