Basics on I/Q Data Acquisition and Processing
R&S
®
FSWP
34User Manual 1177.5856.02 ─ 07
4.6 I/Q Analyzer in MSRA Operating Mode
The I/Q Analyzer can also be used in MSRA operating mode. The MSRA Master chan-
nel is implemented as an I/Q Analyzer application. Only this channel captures data in
MSRA mode. Thus, the functions and settings described for data acquisition in the I/Q
Analyzer application also apply to the MSRA Master. Furthermore, the I/Q Analyzer
can be used to analyze data in MSRA mode. Thus, the result displays and analysis
functions provided by the I/Q Analyzer can also be used in MSRA mode.
Note that the available functions and settings for the I/Q Analyzer in MSRA mode vary
depending on whether the MSRA Master channel or an I/Q Analyzer application chan-
nel is selected. For example, data acquisition settings for an I/Q Analyzer application
channel in MSRA mode configure the analysis interval, not an actual data capture from
the input signal. And measurements in the time and frequency domain are only availa-
ble in an I/Q Analyzer application channel in MSRA mode.
Analysis line
A frequent question when analyzing multi-standard signals is how each data channel is
correlated (in time) to others. Thus, an analysis line has been introduced. The analysis
line is a common time marker for all MSRA slave applications. It can be positioned in
any MSRA slave application or the MSRA Master and is then adjusted in all other slave
applications. Thus, you can easily analyze the results at a specific time in the measure-
ment in all slave applications and determine correlations.
If the marked point in time is contained in the analysis interval of the slave application,
the line is indicated in all time-based result displays, such as time, symbol, slot or bit
diagrams. By default, the analysis line is displayed, however, it can be hidden from
view manually. In all result displays, the "AL" label in the window title bar indicates
whether the analysis line lies within the analysis interval or not:
●
orange "AL": the line lies within the interval
●
white "AL": the line lies within the interval, but is not displayed (hidden)
●
no "AL": the line lies outside the interval
I/Q Analyzer in MSRA Operating Mode
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