Why the DFT is necessary

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This video looks at the differences between the DFT (Discrete Fourier Transform) and the FT (Fourier Transform) and why the DFT is crucial for practical signal processing. The DFT is specifically designed for discrete signals making it the go-to tool for most everyday applications.

For a comprehensive and visually intuitive exploration of the Fourier Transform and its workings, I invite you to explore my book series on the Fourier Transform available at:
  1. Mark Newman
  2. DFT vs Fourier Transform
  3. Discrete Fourier Transform advantages
  4. Digital signal processing techniques
  5. Frequency analysis with DFT
  6. Spectral content analysis
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Комментарии
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Sir, you literally taught me what my Telecomunication professor tried to do in half the course, in a few seconds. He didn’t even actually reach the goal nor was near to this amount of “clear-iness”.

alessandrorodolico
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Sir, i request you to please make a complete video on it, just this 5-10sec video changes changes my view and so i need to know more about this how practically it is working.... DFT, thank you so much for this short video.

snehilverma