RayTek 54301 6.4PostProcessing, 38MID

Operation
6.4PostProcessing
6.4.1Averaging
Averagingisusedtosmooththeoutputsignal.Thesignalis
smootheddependingonthedefinedtimebasis,wherebytheoutput
signaltracksthedetectorsignalwithsignificanttimedelaybutnoise
andshortpeaksaredamped.Usealongeraveragetimeformore
accuratedampingbehavior.Theaveragetimeistheamountoftime
theoutputsignalneedstoreach90%magnitudeofanobject
temperaturejump.
Temp

output temperature
object temperature
temperature jump
90% of
temperature
j
ump
average time
Time
Figure25:Averaging
Alowlevelinput(GND)atexternalinputFTC3willpromptly
interrupttheaveragingandwillstartthecalculationagain.
Attention: Thedisadvantageofaveragingisthetimedelayofthe
outputsignal.Incaseofhavingatemperaturejumpattheinput(hot
38MID