本文提出一个非均匀掺杂、短沟道MOSFET阈电压的准二维解析模型。
A quasi-two dimentional analytical model of threshold voltage for non-uniform doped short channel MOSFET is presented in this paper.
利用解析方法计算了空芯线圈的阻抗，然后通过二维有限元模型进行了阻抗求解，对比结果有较好的一致性。
The impedance of single coil is calculated using analytic method, and the result is compared with that calculated by 2d FEM model.
分别用二维场—路耦合法和解析法建立了磁悬浮力模型。
A model of magnetic suspension forces is built by using 2d field-circuit coupling and analytical methods.
本文提出了一个对称修正模型来解析求解非对称二维平板碰撞问题，并对产生的射流和杵体的性质做出预测。
A modified symmetry model to resolve the problem of asymmetric collision was given and the characteristics of the jet and slug were predicted.
通过变量变换，分离变量等数学手段，将二维数值模型转化为一维数值模型，得出了公式简单实用，物理意义明确的解析解。
Through mathematic means of variant separation and transformation, 2d numerical model was changed into 1d numerical model and acquire the single analytic solution of the equation.
通过变量变换，分离变量等数学手段，将二维数值模型转化为一维数值模型，得出了公式简单实用，物理意义明确的解析解。
Through mathematic means of variant separation and transformation, 2d numerical model was changed into 1d numerical model and acquire the single analytic solution of the equation.
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