how to stop count as a peak until the pulse fall below a threshold?

[frogliang]

sometimes the noise is high, peak detector count more than one peak on a pulse when is it above the threshold, how to set a lower threshold than only when the pulse falls below that, the detector starts to count another peak.

[GerdW]

Hi frogliang,

why don't you reduce the noise?

And why don't you attach a VI with some meaningful default data? (Or atleast an image of your signal to explain what you are talking about?)