超高斯光束在自由空间中的衍射传播，利用角谱理论。-Super-Gaussian beam diffraction propagation in free space, the use of the angular spectrum theory.

全息成像中利用子程序达到仿真采用菲涅尔法，还原采用角谱法的完整程序-Holographic imaging simulation subroutines reached Fresnel, reduction method using the angular spectrum of the complete program