Fourier Examples

#1 Pubblicato: 06/01/2016 23:23:11

983 apprezzamenti in 6.866 post.

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... New/revised/added
idct2 has been doctored and repaired.
In thhe WS [ ... Scrap] Smath does seem to be willing evaluate complex ?

Jean

Fourier Budapest39 Smoothing.sm (28,12 KiB) scaricato 1690 volta(e).
Fourier Fejer Lanczos.sm (10,26 KiB) scaricato 1713 volta(e).
Fourier Budapest39 Spectrum.sm (36,76 KiB) scaricato 1656 volta(e).
Fourier Sampling.sm (30,71 KiB) scaricato 1705 volta(e).
Fourier Sampling Complex [Scrap].sm (29,34 KiB) scaricato 1421 volta(e).
Fourier IDCT-II Smath CODE.sm (38,75 KiB) scaricato 1654 volta(e).
Fourier DCT-II [Data].sm (78,87 KiB) scaricato 1474 volta(e).

2 utenti hanno apprezzato questo post

Davide Carpi 07/01/2016 05:15:00, ioan92 07/01/2016 06:05:00

#2 Pubblicato: 08/01/2016 23:16:54

Jean Giraud

983 apprezzamenti in 6.866 post.

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... Fourier Smpling Complex has been doctored /repaired.
Please, recycle the prevous work sheet "Fourier Sampling complex [Scarp]"
Observe the definition of 'i' imaginary in the program.

Jean

Fourier Sampling Complex.sm (41,39 KiB) scaricato 1711 volta(e).

#3 Pubblicato: 10/01/2016 18:27:16

Jean Giraud

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... finally, the "i" imaginary does not have to be included in the program.
I have just checked "ifft" padding 0's: works great, here is proof/application.
Something wrong with "Phase_mod_pi".

Jean

Fourier ifft Padding [Dirac Filter].sm (46,06 KiB) scaricato 1467 volta(e).

#4 Pubblicato: 12/01/2016 00:36:09

Jean Giraud

983 apprezzamenti in 6.866 post.

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... these two are added mostly as a saving place.

Fourier fft, ifft Sanity.sm (34,86 KiB) scaricato 1650 volta(e).
Fourier fft, ifft Reconciliation.sm (30,25 KiB) scaricato 1628 volta(e).

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Fourier Examples - Fourier Examples - Messaggi