peak detection and find time difference between two graphs

[SivaJ]

hi

Basically i have two different graphs with phase differnece of 90. the problem is that using XY graph, i find it really hard to figure out the time differnece between the peaks. it should be first graph's peak value - peak of second graph. the time differnece much be constant as you can see from running the VI. iam getting some different values too. Is it possible to plot those on waveform chart?. if is possible then can you please show me how to do so.

thanks

[Baji]

Hi siva,

      We can do it in the XY graph itself just take care of your dt if your frquency of the signal changes your time difference also change. find the attached vis

Balaji (CLAD)

[SivaJ]

thanks Balaji for replying. i cant open the file. i have 8.5 version. is there anyway to access the file?

[Baji]

Find the vis in LabVIEW 8.5

Balaji(CLAD)

[SivaJ]

thank you. but still in the difference iam getting (-) values. i just need the time differnece between the peak from 1st graph - the next peak from 2nd graph. so the time differnece always the same. is it possible to detect only one set of peak from the graph, means one set of peaks for every seconds perhaps.

thanks