what to do to run dsp.SpectrumAnalyzer?

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nazmul islam
nazmul islam on 30 Mar 2017
Answered: Greg Dionne on 30 Mar 2017
Hello, I wonder why the following code showing the error (i.e. Undefined variable "dsp" or class "dsp.SpectrumAnalyzer".)?
fs = 100;t = (0:1/fs:100)'; fc = 10; x = sin(2*pi*t); ydouble = ammod(x,fc,fs);ysingle = ssbmod(x,fc,fs); sa = dsp.SpectrumAnalyzer('SampleRate',fs,'PlotAsTwoSidedSpectrum',false,'YLimits',[-60 40]); step(sa,ydouble)
Regards

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Accepted Answer

Greg Dionne
Greg Dionne on 30 Mar 2017
You might not have the DSP System Toolbox installed.
Try using pwelch() or periodogram()

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