code for calculate pseudo zernike moment

This version of the 2D Gabor filter is basically a bi-dimensional Gaussian function centered at origin (0,0) with variance S modulated by a complex sinusoid with polar frequency (F,W) and phase P.-This version of the 2D

利用matlab 的系统函数绘制连续系统的零极点图。-draw the pzmap of continuous system