I'm using psd in python using mlab library

# A means samples (N)
a = int(len(V))
ps1, freqs = mlab.psd(V, a,1/dt,detrend='none', window=signal.gaussian(a,a),noverlap=0)

This is My code...My problem is window function.

Using signal.gaussian(a,a) is the best result and signal.gaussian(a,0.2*a) is not fitted...

What is difference? Really appreciate your help


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