i had some question.i have do some some filtering FFT using a matlab program.but,i need to compared the original signal,noise signal,and filtering signal based on SNR.but i dont understand how to calculate the snr ratio.pls help me or give a suggestion method how to compare and analysis the signal.tq

  • Another homework question mate? Voting to close. This would be better suited to the DSP stack. – Mark Apr 14 at 12:03

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