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I don't think the way I filtered it was correct, but below are the results. I used 3th order Butterworth IIR bandpass (4900Hz-5000Hz) filter.
So as you can see, it is not what I would like to have. Sine does not have square envelope and the components related to (I guess) square wave still...
Hi!
I have generated a sine signal with square envelope (signal for echolocation). My task is to add white gaussian noise, which I already did and then to filter the noise.
How can I filter the noise with this kind of signal? I tried Bandpass IIR, but it does not completely filter the noise...
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