hw = phased.FMC​WWaveform(​'SweepBand​width',1e5​,... 'OutputFor​mat','Swee​ps','NumSw​eeps',2); plot(hw);

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Seetha Rama Raju Sanapala
回答： Honglei Chen 2015-6-15
hw = phased.FMCWWaveform('SweepBandwidth',1e5,... 'OutputFormat','Sweeps','NumSweeps',2); plot(hw);
Why does this code plot only one sweep?
Of course, I know how to extend the vector and draw plot of 2 sweeps. But my question is what the reason could be that it only gives one sweep data and plots only one sweep data. Even though NumSweeps is given as 2.

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回答（1 个）

Honglei Chen
Honglei Chen 2015-6-15
The 'NumSweep' property is used control the output of step() method, not for the ploting. If you want to see multiple sweeps, or want to see what the output signal looks like, you can do the following
wav = phased.FMCWWaveform('NumSweeps',2);
x = step(wav);
plot((0:numel(x)-1)/wav.SampleRate,real(x));
xlabel('Time (s)');

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