Measurements and Result Displays
R&S
®
ESW
114User Manual 1177.6298.02 ─ 08
"Scan Table"
The R&S ESW performs scans based on the configuration defined in
the scan table.
"Current"
The R&S ESW performs scans on the general receiver configuration.
The scan table becomes unavailable.
Remote command:
not supported
Selecting the mode for time domain scans
The R&S ESW provides two time domain scan modes.
You can select the time domain scan mode with the "TDS Optimization" feature.
●
Automatic
The effects of this mode depend on the detectors currently in use.
When you are using one of the CISPR detectors, the R&S ESW uses a small
analysis bandwidth (FFT size) for the data capture in favor of a high dynamic
range.
When you are using no CISPR detector, the R&S ESW uses a large analysis band-
width (FFT size) for the data capture in favor of an increased measurement speed.
●
Dynamic
The R&S ESW always applies a small analysis bandwidth in favor of a high
dynamic range, regardless of the detector you are using.
Remote command:
[SENSe:]FREQuency:TDOPtim on page 454
9.3.3 Performing a Scan
● Designing a Scan Table.........................................................................................114
● Interrupting a Scan................................................................................................115
● Configuring the Scan Table................................................................................... 116
9.3.3.1 Designing a Scan Table
The scan table is a tool that reduces the effort of performing a scan. It divides a given
frequency range into smaller portions.
In that way you are able to:
●
keep the measurement times as low as possible by creating several frequency
ranges and configuring each one most effectively
●
configure some frequency ranges differently than others if the test scenario
requires so and still run one measurement only
●
skip parts of the spectrum that are of no interest for the measurement.
If you do not use the scan table (Current parameters), the R&S ESW uses the current
instrument settings for the scan.
You can define up to 100 scan subranges within the complete scan range. The size of
each subrange is arbitrary, depending on the measurement requirements. Just make
sure that the ranges are within the overall scan range defined by the general start and
Test Automation
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