given a time axis:t=linspace(0,10,512); and a signal x=3sin(5t)-6cos(9t). how do i add random noise n to obtain a noisy signal y=x+n. help me write a mathlab expression for random noise that will match my time axis. thanks

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Attai Abubakar 2014 年 10 月 24 日

回答済み: Rick Rosson 2014 年 10 月 27 日

mathlb use in digital filtering.

John D'Errico 2014 年 10 月 24 日

編集済み: John D'Errico 2014 年 10 月 24 日

It is MATLAB. And read the help for randn.

Rick Rosson 2014 年 10 月 27 日

n = randn(size(t));

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given a time axis:t=lin​space(0,10​,512); and a signal x=3sin(5t)-6cos(9t). how do i add random noise n to obtain a noisy signal y=x+n. help me write a mathlab expression for random noise that will match my time axis. thanks