Dear LabView experts...!
I am trying to find the peaks in my Signal offline . I like to find out the amplitude,location of the peaks and manipulate it. But the signal has noise and if i try to feed in this signal to a peak detector it gives false results as taking the small noise peaks . i like to get the large peaks (3 peaks in the given data ) .
Please help me out to detect these peaks.
When i used a peak detector.vi for a simulated noise less data its works fine. I am using LabVIEW 7.1.
Expecting your reply.
Solved! Go to Solution.
Then you use any digital filter you must provide some information about the timing (sample frequency/interval). Else it will not give the correct output result.
Thank you for the reply. I tried to use the digital filters in the express vi but it gives out an error that the cut off frequency shouls be less than Fs/2 . The sampling freq for my signal was 7hz.
Please give the program in LabVIEW 7.1.
Sorry I can not save for Labview 7.1.
Here is a picture
This will give you peak values without filtering. You could get the time with a little more coding.
ya ..i need the time also too....! As with that peak amplitude i will calculate 10 % of the peak and where it occurs (time).So need the location of the peak.