从信号处理的角度，通过对一维信号的离散傅里叶变换频谱dasa-signal processing from the point of view of one-dimensional signals in the discrete Fourier transform spectrum Dasa

从信号处理的角度，通过对一维信号的离散傅里叶变换频谱图特性进行研究，进而推广到二维，daolr-signal processing from the point of view of one-dimensional signals in the discrete Fourier transform spectrum characteristics, thus the promotion of two-dimensional, and daolr

在C++环境下的离散傅里叶变化，我自己运行过的，是可以运行的-In C++, the discrete Fourier changes, I have been running to be able to run

傅里叶级数逼近c语言程序源代码 可根据某个函数在2n+1个离散值计算其傅里叶级数-Fourier series approximation c language source code according to a function in 2n+1 discrete values ​ ​ of its Fourier series