Chapter 5 Measurement Functions
5-72
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S.Level
Level difference (dB) from the maximum level, which sets the level
range for detecting the signal.
Peaks with values above the lowest value in the S. Level portion below
the maximum peak are detected as the signal. In the following figure,
the peaks detected are points b, c, d, and e.
Figure 5.8.2-2 Peaks Targeted for Analysis
Note:
Peak level is the sum of signal level and noise level.
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Search Threshold
This sets the threshold value for detecting the peak for the next
highest and subsequent levels after the maximum level peak.
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Wavelength
Detection Type: Signal wavelength detection method
Peak: Wavelength peaks
Threshold: Center wavelength analyzed Threshold
Threshold Cut Level: Detects peak as signal and level range from
maximum.
This parameter is enabled when Threshold is selected.
Threshold Cut Level is set in the range of 0.1 to 50.0.
a
b
c
d
e
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