Fourier Examples

#1 Posted: 1/6/2016 11:23:11 PM

983 likes in 6,866 posts.

Group: User

... 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) downloaded 1151 time(s).
Fourier Fejer Lanczos.sm (10.26 KiB) downloaded 1164 time(s).
Fourier Budapest39 Spectrum.sm (36.76 KiB) downloaded 1131 time(s).
Fourier Sampling.sm (30.71 KiB) downloaded 1180 time(s).
Fourier Sampling Complex [Scrap].sm (29.34 KiB) downloaded 949 time(s).
Fourier IDCT-II Smath CODE.sm (38.75 KiB) downloaded 1107 time(s).
Fourier DCT-II [Data].sm (78.87 KiB) downloaded 1024 time(s).

2 users liked this post

Davide Carpi 1/7/2016 5:15:00 AM, ioan92 1/7/2016 6:05:00 AM

#2 Posted: 1/8/2016 11:16:54 PM

Jean Giraud

983 likes in 6,866 posts.

Group: User

... 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) downloaded 1158 time(s).

#3 Posted: 1/10/2016 6:27:16 PM

Jean Giraud

983 likes in 6,866 posts.

Group: User

... 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) downloaded 986 time(s).

#4 Posted: 1/12/2016 12:36:09 AM

Jean Giraud

983 likes in 6,866 posts.

Group: User

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

Fourier fft, ifft Sanity.sm (34.86 KiB) downloaded 1109 time(s).
Fourier fft, ifft Reconciliation.sm (30.25 KiB) downloaded 1070 time(s).

SMath

Fourier Examples

Fourier Examples - Fourier Examples - Messages

SMath Forum

Fourier Examples - Fourier Examples - Messages