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snapshot of signal automatically??

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Tariq Nazzal
Tariq Nazzal 2012-11-10
Hi everybody...
I work at my final project...and I need to snapshot of my signal from serial port, but I need that automatically by codes not manually...
I can do that in Matlab, if yes, how to do that?
Help me please...
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Walter Roberson
Walter Roberson 2012-11-10
What do you mean by "snapshot" in this context?
Tariq Nazzal
Tariq Nazzal 2012-11-10
after I drawing the signal, I need to save this signal, but I need save it as image, snapshot is take a picture for the signal, that is I mean

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Walter Roberson
Walter Roberson 2012-11-10
getframe()
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Walter Roberson
Walter Roberson 2012-11-10
http://www.mathworks.com/help/matlab/ref/getframe.html
F = getframe(h) gets a frame from the figure or axes identified by handle h.
getframe returns a movie frame, which is a structure having two fields: [...]
In other words the captured data is returned as an array, and you capture an axes (which would contain a plot). No figure name or signal name involved.

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