Based on geometrical optics formulation, this paper deals with the problem of Angle of arrival influence of reflected beam by a reflector, and derived the expression of Angle of arrival variance.
本文运用几何光学近似，导出了湍流大气中束状反射回波的到达角起伏表达式。
2
With the help of the ray of equal rank and double-faced reflector, the telescopic visual angle of the spectrometer was analyzed and measured. And the conclusion was drawn.
借助平行光和双面反射镜，对分光计望远镜的视场角进行了分析和测量，并通过实验得出了结果。
3
The Angle distribution curve has been given. This conclusion will advantage using the corner reflector reasonably.