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to add a noise to a signal

Hello ,
 
Attached is a VI to average out a number of noisy waveforms and produce one clear noise free waveform.
I tested this waveform with noisy sinusoidal signals.. and got the clear noise free sinusoidal signal.
As a part of my project , i need to add noise to a random signal, n show tht i get a clear averaged signal.
I plotted a signal using  " simulate arbitrary signal"  .... but i dont know how to add noise to it ...
Please help me out  😞
 
Thanks
Best regards
Mer
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There are noise functions in LabVIEW (i.e. Signal Processing>Signal Generation). Here's your code with uniform white noise added.
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hello ,
thankyou so much for your help ...Smiley Felice
i also wanted to know one more thing...
in my project, it is required that wen i click on a particular point of the averaged waveform, the co-ordinates of it should be displayed.
Basically , the time taken for tht point to occur in that final waveform should be displayed...
Is there anyway to display the co-ordinates of a point on the waveform by clickng it ??

Plz help me ..

Thnks
best regards
Mer

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The easiest thing to do would be to just add a cursor. As you drag the cursor, the coordinates will be displayed in the cursor legend box.
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Yes i got it... thnku u so much for yours help 🙂

Best regards
Mer


Message Edited by Mer on 05-27-2008 03:00 PM
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Here's another way with a graph method and no cursor. This is recent addition to LabVIEW and had forgotten about it.
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muchas gracias brot! me ayudaste a mi tambien
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