There are two methods according to equation form in electromagnetic scattering numerical analysis: one is integral equation method, the other is differential equation method.

电磁散射数值分析方法根据方程形式可分为两种：一种是积分方程法，另一种是微分方程法。

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The time domain integral equation (TDIE) method is one of the important methods in electromagnetic numerical simulations for several advantages over conventional method in frequency domain.

相对于频域方法而言，时域积分方程法有这许多优势，因此，它是计算电磁学数值方法中一个重要的方法。

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In the numerical analysis of axially symmetry electromagnetic field, the finite element method using ring unit with rectangular cross-section has more advantages than other methods.

在具有轴对称特性电磁场的数值分析中，用矩形截面环单元分析具有比其他单元更多的优点。

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