Paul Chang Posted April 30, 2020 Share Posted April 30, 2020 Dear Sir, I am test 1Mhz sinewave loop-back .(see attach file sig.png and spectrum.png and scope.png) And output the result to csv file. I try to analysis csv data in matlab. But the matlab spectrum result is different with result of waveforms.(matlab_spectrum.png) How to solve this? Best Regards, Paul fftscope.m test.csv Link to comment Share on other sites More sharing options...
attila Posted April 30, 2020 Share Posted April 30, 2020 Hi @Paul Chang Select RMS unit. Link to comment Share on other sites More sharing options...
Paul Chang Posted May 4, 2020 Author Share Posted May 4, 2020 Hi @attila thanks. Link to comment Share on other sites More sharing options...
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Paul Chang
Dear Sir,
I am test 1Mhz sinewave loop-back .(see attach file sig.png and spectrum.png and scope.png)
And output the result to csv file.
I try to analysis csv data in matlab.
But the matlab spectrum result is different with result of waveforms.(matlab_spectrum.png)
How to solve this?
Best Regards,
Paul
fftscope.m test.csv
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