Introduction to Circular Convolution and Filtering with the DFT

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Relates the DTFT convolution-multiplication property to the DFT and the conditions under which multiplication of DFT coefficients corresponds to convolution in the time domain. Introduction to filtering by multiplication of DFT coefficients.
  1. Barry Van Veen
  2. circular convolution
  3. linear convolution
  4. filtering DFT
  5. fast convolution
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Комментарии
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One of the most useful resources to learn Signal Processing .
Thanks a lot Sir .

chandanjaiswal
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If only you would teach at my university. Thank you so much!

paliendroom
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My gosh I just found this...amazing. My DSP class is a killer

dallasjohnson
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Thanks for the great lecture! If do H[n]* Sum{X[n-lN]}. this will convolute with all X[n-lN] ? The result shouldn't be the same as H[n]* X[n-lN] ?

zz
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Circular convolution is described in the next lecture in the DFT and Applications playlist. Somehow that temporarily got deleted from the playlist, but it is there again now.

allsignalprocessing
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thank you. I have a problem.what the apply of the circular convulation? example: in the audio edited?

aothothien
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Great !..All your videos help me a lot to my DSP learning !
This video would be listed to which playlist?
Or there will be a playlist about Circular convolution ?

sacrusytong
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I'm little confused at 8:14 . Convolution duration is (Mx + Mh - 2) or (Mx + Mh - 1) ?

thevoid