在vc6.0中成功运行，实行了傅里叶变换。输出傅里叶变换的结果为各个点幅值，傅里叶系数a和b。可以利用来计算电力谐波。-In vc6.0 run successfully implemented a Fourier transform. Output the results of the Fourier transform magnitude of each point, the Fourier coefficients a and b. Can be used to calculate the