反演点(inverse points;inverse)是在圆或球直径上的一对点P与P′，如果它们到中心O之距离的乘积，等于半径r的平方，则称它们互为反演点，O称为反演中心，r称为反演半径。从P变到P′或从P′变到P的变换，称为反演变换，或反演映射，简称反演。有时把求倒数的运算也称为反演。
并利用共轭、互易、反演点对变换方法图解高斯光束传输变换特性。
The conceptions of conjugation, exchange and inverse evolve point pair are used to explain the transformation properties of Gaussian beam.
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.
在反演计算中，射线轨迹点处的慢度可用三次多项式基函数予以计算。
In inversion, the slowness at points on ray path can be calculated by using three order polynomial primary function.
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