Explains how the output of a DFT, and a Fast Fourier Transform (FFT), relates to the Fourier Transform of real-time signals. As pointed out in the video, note that the FFT gives the same output as the DFT - it's just a more efficient implementation of the function.
* If you would like to support me to make these videos, you can join the Channel Membership, by hitting the "Join" button below the video, and making a contribution to support the cost of a coffee a month. It would be very much appreciated.
Check out my 'search for signals in everyday life', by following my social media feeds:
Facebook: https://www.facebook.com/profile.php?id=100091651540952
Instagram: https://www.instagram.com/iainexplains/
Website: http://www.iaincollings.com
Related videos: (see http://www.iaincollings.com)
• How does the Discrete Fourier Transform DFT relate to Real Frequencies? https://youtu.be/pIFz84oj9cA
• Discrete / Fast Fourier Transform DFT / FFT of a Sinusoid Signal https://youtu.be/lwQTNcWtN7w
• What is the Fourier Transform? https://youtu.be/G74t5az6PLo
• What is the Fourier Transform used for? https://youtu.be/VtbRelEnms8
• Fourier Transform Equation Explained https://youtu.be/8V6Hi-kP9EE
• Why do Periodic Signals have Discrete Frequency Spectra? https://youtu.be/wA3VXyl9xVg
• Discrete Time Basis Functions https://youtu.be/P7q2YMQiat8
• How are the Fourier Series, Fourier Transform, DTFT, DFT, FFT, LT and ZT Related? https://youtu.be/2kMSLqAbLj4
• OFDM and the DFT https://youtu.be/Z4LIgNgNAlI
• Fourier Series and Eigen Functions of LTI Systems https://youtu.be/gRq3K4ZQKi8
• Discrete Time Basis Functions https://youtu.be/P7q2YMQiat8
• Is Phase important in the Fourier Transform? https://youtu.be/WyFO6yBQ0Cg
For a full list of Videos and accompanying Summary Sheets, see the associated website: http://www.iaincollings.com