Hello MATLAB community,
Below, you will find 2 WAV files. One is the background noise and the other is the signal obtained during the experiment. I am interested in the 0-1000 Hz frequency range and as you can see in the below image, I figured out how to overlay 2 FFT's in 1 graph.
Now, I want to delete "noise FFT signal" from the "experimental FFT signal". Can I somehow subtract directly in the "Figure Window"? or I need to write an additional code?
In the example shown below, you can see a strong peak around 350 Hz, which I am looking at and by subtracting it from the background noise, I would get a smooth curve and obtain a raw experiment signal.
Finally, when I subtract 2 graphs, I could get just data points on the plot, which I want to join in a smooth line.
title ('Background noise & experiment signals overlayed');