add white gaussian noise

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Jessie Bessel
Jessie Bessel am 19 Jun. 2018
Kommentiert: OCDER am 19 Jun. 2018
I tried to add noise to a signal. The signal noise ratio must be 0 dB. I tried with
Is there any method?

Antworten (1)

OCDER am 19 Jun. 2018
SNR = 1 means 0 dB.
  2 Kommentare
OCDER am 19 Jun. 2018
noise = sig * randn(size(signal)); %sig is your standard dev.
signa_noise = signal + noise %you have to determine value of "sig".
%sig = std(signal) ?

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