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What is Discrete Fourier Transform Overview about?

This document discusses discrete-time Fourier transforms including the discrete-time Fourier transform (DTFT), discrete Fourier transform (DFT), and fast Fourier transform (FFT). It begins with an overview of how the Z-transform links the time and frequency domains of discrete-time signals. It then explains how the DTFT transforms the complex z-plane to the real frequency axis in order to define properties like low-pass and high-pass filtering. The document also covers the DFT and how it makes the transform

Author

Vinay Krishna Vadlamudi

Language

EN