The Fresnel wave ray equation is deduced by use of the fundamental equations of crystal optics. The crystal optics question is solved by Fresnel wave ray equation cooperating with Maxwell equation.

利用晶体光学基本方程推导出菲涅耳波射线方程，通过波射线方程并结合麦克斯韦方程组求解晶体光学问题。

dict.cnki.net

This algorithm USES ray tracing to calculate traveltime, and DE - rives reflection amplitude from wave field interface equation.

该算法使用射线追踪计算传播时间，应用波场界面方程计算反射振幅。

dict.cnki.net

Gaussian beam method is essentially a seismic forward modeling method that combines wave equation and ray theory.

高斯射线束方法是将波动方程和射线理论相结合的一种地震正演模型方法。

dict.cnki.net