可以实现模式识别领域的数据的分类及回归，计算十字叉丝的在不同距离的衍射图像,FIR 底通和带通滤波器和IIR 底通和带通滤波器。- You can achieve data classification and regression pattern recognition, Calculation crosshairs diffraction image at different distances, Bottom-pass and band-pass FIR and IIR filter bo