How to plot multiple filter response on the same filter visualizer?
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I have two filter responses and I would like to plot them on the same figure on the filter visulizer but I could not find any way to do it. I was trying to retrieve xData and yData but I could not find them in the figure handler of the filter visualizer.
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Accepted Answer
Honglei Chen
on 26 Nov 2018
To get XData and YData of phase noise visualization, you can do the following
pn = comm.PhaseNoise;
h = visualize(pn);
x = h.CurrentAxes.Children.XData;
y = h.CurrentAxes.Children.YData;
HTH
More Answers (2)
Honglei Chen
on 26 Nov 2018
How do you describe your filter? The following example plots two filter responses in one figure and you should be able to do similar with your filters.
b1 = firpm(20,[0 0.4 0.5 1],[1 1 0 0]);
b2 = firpm(40,[0 0.4 0.5 1],[1 1 0 0]);
fvtool(b1,1,b2,1);
HTH
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