从近场声全息原理出发，利用声波沿不同方向传播的特点，针对平面、柱面和球面全息测量建立了波数域内的声场分离公式。
According to the NAH theory and propagating characteristics along different directions, sound field separation technique can be established in the wave-number domain.
在两对边简支条件下用分离变量函数法给出扁柱面网壳的横向位移。
By using the method of the separating variable function, the transverse displacement of the shallow cylindrical reticulated shells were given under the conditions of two edges simple support.
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