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this computer lab will investigate the use of spectral windows in the estimation of the power spectrum via the modified periodogram

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enas
enas 2012-1-2
关闭： MATLAB Answer Bot 2021-8-20
generate the following windows for M=128 and 0<=n<=M-1
a)bartlett:w(n)=1-(2n-M-1)/(M-1)
b) Blackman:w(n)=0.42-0.5cos[(2nΠ)/(M-1)]+0.08cos[(4nΠ)/(M-1)]
c)hamming:w(n)=0.54-0.46cos[(2nΠ)/(M-1)]
d)hanning:w(n)=0.5-0.5cos[(2nΠ)/(M-1)]
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Walter Roberson
Walter Roberson 2012-1-2
What is 2n180 and 4n180 ?
Please be aware that MATLAB's sin() and cos() routines work in radians. sind() and cosd() work in degrees.

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