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Correlation between Matlab and SA Plots

Question asked by appu_sen on Feb 21, 2011
Latest reply on Feb 24, 2011 by andyowen
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I have plotted power spectrum of same time signal in both Matlab (FFT) and Spectrum Analyzer (Superhetrodyne + FFT).  Though I keep the RBW same in both, I see the SA plot is much smoother than the Matlab plot.
Please let me know the reason for the same.  
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