Sep 16 2021 03:13 PM - edited Sep 16 2021 03:16 PM
Hi all
I have an a.c. non-sinusoidal signal/waveform as a table of samples taken at a certain number of samples per cycle i.e. it has an unknown number of harmonics of unknown magnitude in the signal.
I want to derive the value of each harmonic which I can put in a bar chart with frequency or harmonic number as the horizontal axis and the magnitude as the vertical axis.
I have tried the Data Analysis Tool Pack <<Fourier>> function which returns a set of complex numbers which doesn't make any sense to me.
I have constructed a test waveform using 4 harmonics and summating them to generate a set of samples .. but in real life I would only have that sum column of samples to work with i.e. the harmonic content is unknown.
I want to take that summed column and generate a bar chart showing the individual harmonic component and its magnitude like the sketched one attached
Sep 18 2021 09:43 PM
Thank you
I note the comments about columns not automatically updating
and I am not familiar with the [@Plex] style of referencing ....
So if I have a different set of samples to analyse, i.e. just two columns of col 2 and col 8, what are the steps needed to get the harmonic chart to work?