Using the definition and character of vector function, the field is separated to TM wave and TE wave relative tor without complex vector-differential operation.
利用球矢量波函数的定义及性质，提取出场的径向分量，将初级场分解为相对于径向的TE波和TM波，避免了复杂的矢量微分运算。
Numerical simulation is an important means of recognizing the character of wave field of earthquake.
数值模拟是了解地震波场特征的重要手段。
Making a new approach to study this noise by us is using wave character of scattered wave, by post stack wave field continuation to make imaged, and then make it attenuated by means.
利用散射波的波动特性，在叠后通过波场延拓使其聚焦成像，然后通过压制强噪声的手段将其衰减，是我们对这种噪声研究的一种新的探索。
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