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。
Although the wave field based pre-stack depth migration is the most reliable method for complex structure imaging, it has a high computation cost and a poor adaptation to geometry.
基于波场延拓的叠前深度偏移是实现复杂构造地质体成像的可靠方法,但存在着计算量大、对观测系统适应性差等缺点。
Lattice Boltzmann method is used to simulate the flow field in the complex wave type vane. By the use of this method, the state of the flow field is calculated.
利用格子波尔兹曼方法模拟了波形板复杂流道的流场,计算了流场的状态。
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