Matlab Script that I can add a Gaussian Noise to a Discrete Wavelet Transform processed fault signal
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Please does any one has a matlab script where I can add a Gausssian Noise to a Discrete Wavelete Transform processed fault signal. This will mimic a lightning disturbance and switching disturbance during fault connditions and normal steady state. Forf the protective relay to distinguish between this lightning disturbance and fault conditions
William Rose 2022년 9월 18일
편집: William Rose 2022년 9월 18일
If you have a fault signal x(t), processed by a DWT (or not), add Gaussian noise as shown.
s=1; %standard deviation of the added noise
xn=x+s*randn(size(x)); %x=signal without added noise
The fact that the signal has been processed by a DWT is not really relevant, unless there is more information that you want to share. Good luck with your work on lightning and faults.