06-02-2011 10:41 AM
I am using a NI9237 for measuring strain. I do not need to sample at the frequency that is the default for the NI9237, which I believe the lowest sampling rate is 1.629kHZ. How do I filter my data? I may be able to decimate my data but I want to try some type of filtering instead.
Thanks
HS
06-03-2011 12:53 PM
What kind of filtering do you want to do? Do you need a moving average filter? Do you want to filter the data in LabVIEW after acquisition? I'll need some more details, as there are many types of filtering.
Jon S
06-03-2011 01:24 PM
I believe for now it would be a average type filter.
Thanks
06-06-2011 01:41 PM - edited 06-06-2011 01:42 PM
A moving average filter can be accomplished through convolution of your original data with a rect() function. This is a simple VI that indicates how you can accomplish this easily. One input is the data, and the other input is the length of the moving average. The output is the averaged data.
Jon S