Concepts and features
R&S
®
ZNA
120User Manual 1178.6462.02 ─ 29
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"Once": At the initial start of the measurement, the firmware runs a user-defined
number of pre-measurement sweeps. Subsequent sweeps are run with the
derived, constant HW settings
In "Once" mode, during the pre-measurement averaging is (temporarily) disabled.
4.1.7 Data flow
The analyzer processes the raw measurement data in a sequence of stages to obtain
the displayed trace. The following subsections give an overview.
4.1.7.1 Channel data flow
The diagram below illustrates the data processing stages for the entire channel. All
stages are configurable.
Note that the channel data flow for S-parameters (and quantities derived from S-
parameters such as impedances, admittances, stability factors) differs from the chan-
nel data flow for wave quantities (and derived quantities such as ratios).
Basic concepts
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