Elastic wave propagation in anisotropic medium is simulated by solving the equation system with the aid 'of Fourier numerical method (pseudo-spectrum method).
本文利用傅里叶数值方法(即伪谱法)求解该方程来模拟各向异性介质中弹性议的传播。
The pseudo-spectrum method uses Fourier transform and finite difference to solve wave equation. It is one of the important methods used to simulate the seismic wave field.
伪谱法利用傅立叶变换和有限差分求解波动方程，是三维波场正演模拟的重要方法之一。
As an example, the seismic responses of the Tsingma bridge obtained by the pseudo excitation method are compared with those obtained by the response spectrum method and the time history method.
以青马桥为例，将虚拟激励法的计算结果及效率与反应谱方法和时间历程法作了比较。
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