Remote Control Commands
R&S
®
NRX
288
User Manual 1178.5566.02 ─ 07
Table 13-4: <expression> parameters for relative power measurements
Channel calculation func-
tion
<expression>
Description
Ratio
"(SENSn/SENSm)"
Quotient of the values measured by sen-
sor
n and sensor
m
Standing wave ratio
"SWR(SENSn,SENSm)"
Standing wave ratio. No output unit.
SENSm/SENSn
SENSm/SENSn
1+
1-
Sensor
n measures the forward power of a
wave.
Sensor
m measures the reflected power.
Reflection coefficient
"RCO(SENSn,SENSm)"
Reflection coefficient of a DUT. No output
unit.
SENSm/SENSn
Sensor
n measures the forward power of a
wave.
Sensor
m measures the reflected power.
Return loss
"RLOS(SENSn,SENSm)"
Return loss of a DUT. The output unit is dB.
SENSm/SENSn
SENSm/SENSn
10 x log
Sensor
n measures the forward power of a
wave.
Sensor
m measures the reflected power.
Reflection ratio
"REFL(SENSn,SENSm)"
Reflection ratio of a DUT. The output unit is
percent.
SENSn
SENSm
100
Sensor
n measures the forward power of a
wave.
Sensor
m measures the reflected power.
With n and m = 1, 2, 3, 4 or A, B, C, D
Table 13-5: Additional <expression> parameters for queries
<expression>
Description
OFF
No channel calculation function is selected.
-
For
SENSn
or
SENSm
, if no primary or secondary sensor is selected.
Suffix:
<Measurement>
.
1 to 8
Measurement
Calculation Functions
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