e1276e
12
Siemens Building Technologies
Cerberus Division
09.2000
Response threshold 3 of the different sensitivities
Time
Signal [%]
0
10
20
30
40
50
60
70
80
90
100
110
0 % NFW
30% response threshold 3
50% response threshold 3
65% response threshold 3
(low)
(high)
(standard)
NFW = Compensation value
Smoothing
The measuring signal is measured with a 6Hz clock. The raw data are processed with
so-called ”smoothing filters” for subsequent evaluation. In this way extreme peak values
caused by signal interference are ”smoothed”.
An alarm is triggered based on the smoothed signals.
Time
Raw data
Smoothing
Counts
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