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How to generate white noise spectrum graph?

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YONG TING SHEN
YONG TING SHEN 2020-2-17
评论： YONG TING SHEN 2020-3-6
How to generate white noise spectrum with power spectral density function =2.0 and the range of excitation frequency is 0.1-500Hz ?

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Koushik Kureti
Koushik Kureti 2020-3-5
Hello Yong Ting Shen,
The White noise spectrum is plotted as given below:
You have given Power Spectral Density function = 2.0 and the range of excitation frequency is 0.1 – 500Hz.
Thus Sx(f) = 2.0 and range of f is 0.1 - 500 Hz and you can use the plot function to plot the white noise spectrum graph as given below
t = 0.1:1:500;
plot(t,2,'*');

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