根据可压缩情况下的流体力学方程组，导出垂直切变风场中大气声重波的谱方程。
By using the compressible hydrodynamic equations, a spectral equation describing propagation of AGW's in a region of vertical wind shear is derived.
为了降低噪声的影响，对高速列车穿越带有竖井的隧道时产生的压缩波进行了三维粘性流场数值模拟。
To decrease the effect of compression wave, the numerical simulation of a three-dimensional viscous flow induced by a high-speed train entering tunnels with a shaft was made.
通过对算子矩阵和地震波场矩阵进行多分辨分解和压缩，得到了小波域中地震波场正演模拟算法。
Through the multiresolution decomposition and compression of operator matrix and seismic wave field matrix, we proposed a new method of seismic modeling in wavelet domain.
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