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Comparing the result from WA Arbitrary Path Decomposition VI with a constant number to trigger events

Comparing the result from WA Arbitrary Path Decomposition VI with a constant number to trigger events

‎04-14-2014 07:34 AM

Hi,

 

Currently I am using Labview to obtain the real time signal and use the WA Arbitrary Path Decomposition to obtain the DWT value of the signal. I will use the result to compare with the threshold set by the user to trigger the event.

 

The picture below shows the block diagram of my code.Capture.PNG

 

The bug is that the event could only be triggered if the input threshold is 0. If the value is changed to 0.000001 (no matter how close this value is to 0) the event indicator will not be updated.

 

And this bug only happen if I use the  'WA Arbitrary Path Decomposition VI' function. If I remove this function and compare the real time value with a threshold, the 'event indicator' will always be updated.

 

Could anyone help me to debug this?

 

Thank you very much for the help!!!!!

 

Ryan Dai

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