Batavia Posted September 18, 2020 Report Share Posted September 18, 2020 18 hours ago, WotEver said: Yep. If you draw a sine wave then add the second harmonic over the top, then the third, and keep going... you get a square wave To be pedantic (before anyone else is), you only need the fundamental and the odd harmonics! Chris G (who still occasionally uses Fourier Transforms) 1 Link to comment Share on other sites More sharing options...
WotEver Posted September 18, 2020 Report Share Posted September 18, 2020 1 minute ago, Batavia said: To be pedantic (before anyone else is), you only need the fundamental and the odd harmonics! Chris G (who still occasionally uses Fourier Transforms) I originally wrote “... third harmonic, fifth harmonic...” but then changed it ‘cos I couldn’t remember if that was right (it was a long time ago). Link to comment Share on other sites More sharing options...
Batavia Posted September 18, 2020 Report Share Posted September 18, 2020 Just now, WotEver said: I originally wrote “... third harmonic, fifth harmonic...” but then changed it ‘cos I couldn’t remember if that was right (it was a long time ago). Trust your memory! Link to comment Share on other sites More sharing options...
Chewbacka Posted September 18, 2020 Report Share Posted September 18, 2020 55 minutes ago, Batavia said: Trust your memory! As I got older my long term memory is ok, but short term, not so, hence remembering where I put my keys......... Link to comment Share on other sites More sharing options...
WotEver Posted September 18, 2020 Report Share Posted September 18, 2020 29 minutes ago, Chewbacka said: As I got older my long term memory is ok, but short term, not so, hence remembering where I put my keys......... There are three things I can never remember... ... er... Link to comment Share on other sites More sharing options...
Chewbacka Posted September 18, 2020 Report Share Posted September 18, 2020 3 hours ago, WotEver said: There are three things I can never remember... ... er... Did I mention my short term memory wasn’t as good as it used to be? Link to comment Share on other sites More sharing options...
WotEver Posted September 18, 2020 Report Share Posted September 18, 2020 1 hour ago, Chewbacka said: Did I mention my short term memory wasn’t as good as it used to be? I’m not sure. Do I know you, young man? 1 Link to comment Share on other sites More sharing options...
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