GUI reference
R&S
®
ZND
522
User Manual 1173.9557.02 ─ 61
Given the specified attenuation values the R&S
ZND calculates the attenuation factor
at the center of the channel's sweep range and corrects the impulse response trace
using this attenuation factor
Attenuation (f
center
)
.
The frequency dependence can be defined in two alternative ways:
●
Single reference frequency
If the cable attenuation is specified at a single frequency
f
1
, the R&S
ZND calcu-
lates
Attenuation (f
center
)
using
Attenuation (f
1
) / Attenuation (f
center
) = sqrt (f
1
/ f
center
),
which accounts for the impact of the skin effect.
●
Frequency list
If the cable attenuation is specified at several frequency points, the R&S
ZND cal-
culates the
Attenuation (f
center
)
by linear interpolation. If
f
center
is below (above) the
specified frequency range, then
Attenuation (f
center
)
is linearly extrapolated from the
two lowest (highest) frequency points.
It is recommended to specify the cable attenuation as accurately as possible. The cor-
rection due to the attenuation factor is proportional to the measured distance between
the fault and the reference plane: The larger the distance, the larger the correction.
Add / Delete
Creates/deletes a user-defined cable type.
Remote command:
CALCulate<Chn>:TRANsform:DTFault:DEFine
CALCulate<Chn>:TRANsform:DTFault:DELete
MMEMory:LOAD:CABLe
MMEMory:STORe:CABLe
Import Cable Type
Opens the "Import Cable Type" variant of the
dialog that lets you select a
cable type file (
*.rsc
) for import.
Remote command:
Applic softtool
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