For infrared optical systems a point spread function is calculated in terms of the spot diagram obtained through geometrical ray trace or the theory of Kirchhoff diffraction.
对红外光学系统，用几何光线追迹得到点列图或用基尔霍夫衍射理论计算得到点扩散函数。
2
The derived formula and the given relevant trend diagram can be applied in arranging the operation parameters for this type of classifiers and designing the geometrical size of the classifier rotor.
本文导出的计算式和给出的相关趋势图可用于确定这类分级机的操作参数及设计分级机转子的几何尺寸。
3
From the geometrical representation of the phase function, it is pointed out that the thermodynamic phase equilibrium diagram is in essence a projection diagram of phase function.