tag:blogger.com,1999:blog-1195329121901897762.post2486685403699402284..comments2016-10-19T23:18:34.250-07:00Comments on Physics for my Mom: Fourier analysis 2 - More complicated sound wavesHughhttp://www.blogger.com/profile/07207142714575405001noreply@blogger.comBlogger3125tag:blogger.com,1999:blog-1195329121901897762.post-85800087917127562532015-03-26T13:48:36.273-07:002015-03-26T13:48:36.273-07:00Q1: How do you feed the sound signals into your ma...Q1: How do you feed the sound signals into your mathematical Fourier Transform Program?<br />Q2: What Fourier transform program do you use to Break the signal?<br />Q3. Is this program available?<br />Jaidevtalwar@hotmail.comAnonymousnoreply@blogger.comtag:blogger.com,1999:blog-1195329121901897762.post-39392504375134728152010-10-17T14:44:58.071-07:002010-10-17T14:44:58.071-07:00Hi Aldo,
Sorry for the delayed response, but when ...Hi Aldo,<br />Sorry for the delayed response, but when I plot the Fourier transform, I'm really plotting the amplitude squared to get the power, so multiply the fourier transform by its complex conjugate and that's what is shown in the figure.<br />Cheers,<br />HughHughhttp://www.blogger.com/profile/07207142714575405001noreply@blogger.comtag:blogger.com,1999:blog-1195329121901897762.post-78445187343814927552010-10-07T21:44:38.179-07:002010-10-07T21:44:38.179-07:00Hi!
Sorry for leaving a comment in an old post (I...Hi!<br /><br />Sorry for leaving a comment in an old post (I hope you see it!). I have a question:<br /><br />When you obtain the Fourier trasform of a function, even a real valued one, you get complex values, did you use only the real part of the transform or something like that to plot the power at each freq?<br /><br />Thanks! (Very cool blog, by the way, heh).Aldohttp://www.blogger.com/profile/04088534386702988846noreply@blogger.com