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Average/mean of input signals

Hi,

i have ni-daq 6024E and i collect a analog signals (voltage, 1000Hz, 100 samples/s). Problem is, that this signals are a bit unstable... and i need a average value of each sample-block separate NOT for the all signals. i try it with meanptbypt.vi and simple length = 300, but it's not good for me because:

example:
1st block "1 and 3" - mean = 2 🙂
2nd block "4 and 8" - should be 6, but it's 4 😞

I hope you can see the problem... is there any function to make signal more stable... i got already filters in.

thanx in advance

vedran divkovic
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