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Understanding Discrete Fourier Transform by Das Naik is a document available to read on EtoBox.
What is Understanding Discrete Fourier Transform about?
The document discusses the discrete Fourier transform (DFT). [1] The DFT contains a finite number of samples equal to the number of samples N in the given signal. [2] The DFT of a discrete time signal x(n) is defined as a sum from n=0 to N-1 of x(n) multiplied by a complex exponential. [3] Both the DFT X(k) and inverse DFT x(n) are periodic with period N, so it is sufficient to compute results for one period from 0 to N-1.
- Author
- Das Naik
- Language
- EN