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What is Discrete Fourier Transform in MATLAB about?

This document discusses the Fourier transform and its application to analyzing signals in the frequency domain. It begins with an introduction to frequency and periodicity. It then covers discrete Fourier transform (DFT) and how it can be used to obtain the magnitude and phase spectra of a signal. An example analyzing CPU usage data throughout a day is presented to demonstrate DFT. Key topics covered include discrete frequency, DFT computation, the picket fence effect, windowing, and examples of computing m

Author

Yordan Pavas

Language

EN