TopicFilesReading
17.   DFT: Discrete Fourier Transform8–1  SlidesCh. 8, Sects. 8-1, 8-2 & 8-4
18.   DFS: Discrete Fourier Series, & Windowing8–2  SlidesCh. 8, Sects. 8-3, 8-5 & 8-6
19.   Spectrogram: Spectral Analysis via DFT & DTFT8–3  SlidesChapter 8, Sects. 8-6 & 8-7