数字信号处理一种基于matlab 文件内容/conv(卷积部分)dupconv重叠保留法freqcirconv频域圆周卷积freqconv频域卷积timecirconv时域圆周卷积timeconv时域域卷积积/fft(频域分析部分)d2fft基2FFTdft DFT最简化程序源码dtftDTFT演示/fir(fir滤波器设计)fir 的到fir滤波器hngetwindow 的到fir滤波器窗函数wn -Digital signal processing matlab file content

The sliding DFT is a spectral analysis method based on the classical FFT, implemented over a subset of the N center frequencies of the N-point DFT. The sliding DFT (SDFT) algorithm performs an N-point DFT on time samples within a sliding-window.