If we have data such as time (s) and Knock sensor Signal (V), how can we convert them to Frequency and Amplitude?
Dear Chivon Choeung ,
please 'google' for that topic; there will be a lot of results, for example:
https://www.ehow.co.uk/how_4670778_fourier-transform-fft-microsoft-excel.html
https://www.youtube.com/watch?v=0qRDxcb7PV8
https://www.youtube.com/watch?v=8nkKPR3-H1w
https://www.youtube.com/watch?v=gsNV3nvitV4
etc...
Enabling EXCEL Data Analysis ToolPak see Appendix 1 in:
https://youssef-lab.sdsu.edu/wp-content/uploads/2016/09/FFT-Tutorial.pdf
Good luck and
best regards
G.M.
It is better to use Matlab
Thank you so much for these questions. I have found the solution.
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