这是关于现代信号处理的一些课件，主要讲述了有关离散序列的傅里叶变换等-This is about some of the courseware of modern signal processing, mainly tells about the discrete Fourier transform sequence

matlab与数字信号处理的相关代码，内附有详细的讲解课件-matlab and digital signal processing related code, containing a detailed explanation of courseware