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Fig. 4.23 Rectangular Coordinate Format
a) Logarithmic amplitude format
Display the amplitude information (no phase information).
Y-axis unit: dB
Applicable typical measurement: return loss, insertion loss and gain.
b) Phase format
Display the phase information (no amplitude information).
Y-axis unit: phase (degree)
Applicable typical measurement: linear phase offset.
c) Group delay format
Display the signal transmission time through the tested device.
Y-axis unit: time (second)
Applicable typical measurement: group delay.
d) Linear amplitude format
Only display the positive value.
Y-axis: no unit (U) in ratio measurement and milliwatt (mW) in non-ratio measurement.
Applicable typical measurement: reflection and transmission coefficient (amplitude) value and time domain transformation
e) Standing wave ratio format
Display the reflection measurement data calculated by the formula (1+ρ)/(1-ρ), where ρ is the reflection coefficient.
Effective in reflection measurement.
Y-axis: no unit.
Applicable typical measurement: standing wave ratio.
f)
Real part format
Display the real part of the measurement complex.