R&S FSW Series, Руководство пользователя

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Measurements and Results
R&S
®
FSW
222 User Manual 1173.9411.02 ─ 43
In the result summary, the following results are provided for the specified channel and
individual notches:
Table 7-11: Noise Power Ratio result summary parameters
Parameter Description
"Channel" / "Notch" Channel or notch number
"Channel BW" (auto
mode) / "Integration BW" Specified channel bandwidth or manually defined integration bandwidth used
as basis for power density calculation in total channel or notch
"Offset" Frequency offset of notch or integration bandwidth to center frequency
"Power density" Power measured in channel or notch divided by the "Channel BW"/"Integra-
tion BW" in dBm/Hz
"NPR" (Notches only:) Ratio of total channel power density to notch power density in
dB
Remote command:
Channel power density, notch power density, power ratio:
CALCulate<n>:NPRatio:RESult?
on page 915
Measured power values for each sweep point (by default 1001):
TRAC:DATA? TRACe1
(see
TRACe<n>[:DATA]
on page 1143).
7.5.4 NPR Configuration
Access : "Overview" > "Select Measurement" > "Noise Power Measurement" > "NPR
Config" > "Noise Power Ratio" tab
Noise Power Ratio (NPR) Measurement