The generalization of an elliptical Gaussian beam is presented by introducing a complex shift in the transverse coordinates.
在椭圆高斯光束横坐标中引入复数偏移量，将其推广为偏心椭圆高斯光束。
The development of spectral method on elliptical and hyperbolic problems is summarized, and spectral method under sphere coordinates and polar coordinates is touched too.
总结了谱方法椭圆问题与双曲问题中的研究进展 ；论述了球面坐标和极坐标下的谱方法 ；
The development of spectral method on elliptical and hyperbolic problems is summarized, and spectral method under sphere coordinates and polar coordinates is touched too.
总结了谱方法椭圆问题与双曲问题中的研究进展 ；论述了球面坐标和极坐标下的谱方法 ；
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