每个地震按照双力偶模型所得到的震源应力场，有的反映构造应力场，有的反映转换应力场。
Some of the stress fields obtained from earthquake mechanism according to double couple model of earthquake represent tectonic stress field, but some of them represent the transformed stress field.
文中推导了双力偶点源模型震源机制解得出的震源参数和用地震矩张量反演得出的震源参数之间的转换关系。
In this paper, we deducted the transform relation between seismic source parameters from seismic fault plane solution in double couple point source model and from the seismic moment.
利用对应原理和FFT技术计算出了无限均匀各向同性介质中双力偶点源产生的位移场，并结合若干实例进行了分析和总结。
According to the correspondence principle and FFT, the author have calculated the displacement field of a double-couple point source in homogeneous, isotropic, unbounded medium.
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