How to get data only on a single period from function generator

[Weiye Zhu]

Thank you for replying so soon. By average waveform, I mean the average of the first data point, then the second data, etc...just like you said. For example, I run 500 times, then average these 500 waveforms to one to get rid of noise. Your explaination is really helpful, but it is hard for me to follow... i just start to learn Array in labview..Can you modify my code a little bit so that I can see what you really did?

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Weiye 

[aeastet]

You could also do it this way.

[aeastet]

Have you considered zero phase shift data filter.

[tbob]

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@Weiye wrote:

Thank you for replying so soon. By average waveform, I mean the average of the first data point, then the second data, etc...just like you said. For example, I run 500 times, then average these 500 waveforms to one to get rid of noise. Your explaination is really helpful, but it is hard for me to follow... i just start to learn Array in labview..Can you modify my code a little bit so that I can see what you really did?

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Weiye 

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The code is already in its most simplest form.  You need to learn Labview better.  Look for free online tutorials on the NI website.

[Weiye Zhu]

I didn't see the image you attached on your last post before. I tried later and It works the way that you suggested. Thank you so much! The problem is solved!