一个扩展的CEdit类，可以直接计算数学表达式，目前不支持变量，但可以支持pi、e等常数。具体请看里边的图片说明。-an expansion CEdit category, and can directly calculate mathematical expressions that do not support variable, but it can support pi, e, etc. constant. For details, please read the caption ins

empirical formula with kaiser clc clear all fs=1000 fc=250 df=50 r=0.001 f=fc/fs dw=2*pi*(df/fs) a=-20*log(r) n=floor(((a-8)/(2.285*dw))+1) if a>50 b=0.1102*(a-8.7) elseif a>=21 && a<=50 b=0.5842*((a-