to plot binary data for the predefined time interval

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ABDUL
ABDUL 2019-6-4
评论： Guillaume 2019-6-4
how to plot binary input using matlab?
x=[1 1 1 0 0 1 0 1 1 0 0 0 ] , frequency is 8Mhz , also i need to plot odd and even samples for two bit interval. kindly help in this regard

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Guillaume
Guillaume 2019-6-4
plot means many things. You need to clarify what sort of plot you want.
Possibly:
sampleddata = timetable(x(:), 'SampleRate', 8e6, 'VariableNames', {'sample'})
plot(sampleddata.Time, sampleddata.sample)
  2 个评论
Guillaume
Guillaume 2019-6-4
You're still not giving many details of what you want.
I'd be surprised if there isn't some plotting function for digital signals in the signal processing toolbox or dsp toolbox, but as I've got neither I don't know.
In base matlab, it's fairly easy to get a plot of a digitial signal:
x = [1 1 1 0 0 1 0 1 1 0 0 0 ]; %demo data
sampleddata = timetable(x(:), 'SampleRate', 8e6, 'VariableNames', {'sample'}) %a better way to store the data
stairs(sampleddata.Time, sampleddata.sample);
ylim([-0.5, 1.5]);

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更多回答（1 个）

Sayyed Ahmad
Sayyed Ahmad 2019-6-4
try something like this:
n=0;
while n<5000
for i=1:1000
t(i)=now;
x=[1 0 0 1 1 1 0 0 1]; %read your x from sensor
y(i)=sum(x.*2.^(length(x)-1:-1:0));
end
plot(t,y(end:-1:1))
pause(1e-3);
n=n+1;
end
  2 个评论
Sayyed Ahmad
Sayyed Ahmad 2019-6-4
important is this part of code:
x=[1 0 0 1 1 1 0 0 1];
y(i)=sum(x.*2.^(length(x)-1:-1:0)); % change the binary digital signal to a dec. number
and
plot(t,y(end:-1:1)); % plotting for an acceptable time interval
It is yours, how you embaded the codes!

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