Import/Export Functions - R&S FSW-K7 User Manual

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R&S FSW-K7
7 I/Q Data Import and Export
Baseband signals mostly occur as so-called complex baseband signals, i.e. a signal
representation that consists of two channels; the in phase (I) and the quadrature (Q)
channel. Such signals are referred to as I/Q signals. The complete modulation informa-
tion and even distortion that originates from the RF, IF or baseband domains can be
analyzed in the I/Q baseband.
Importing and exporting I/Q signals is useful for various applications:
●
Generating and saving I/Q signals in an RF or baseband signal generator or in
external software tools to analyze them with the R&S FSW later
●
Capturing and saving I/Q signals with an RF or baseband signal analyzer to ana-
lyze them with the R&S FSW or an external software tool later
For example, you can capture I/Q data using the I/Q Analyzer application, if available,
and then analyze that data later using the R&S FSW Analog Demodulation application.
As opposed to storing trace data, which may be averaged or restricted to peak values,
I/Q data is stored as it was captured, without further processing. The data is stored as
complex values in 32-bit floating-point format. Multi-channel data is not supported. The
I/Q data is stored in a format with the file extension .iq.tar.
For a detailed description see the R&S FSW I/Q Analyzer and I/Q Input User Manual.
Export only in MSRA mode
In MSRA mode, I/Q data can only be exported to other applications; I/Q data cannot be
imported to the MSRA Master or any MSRA applications.
● Import/Export
● How to Export and Import I/Q

7.1 Import/Export Functions

Access: "Save"/ "Open" icon in the toolbar > "Import" / "Export"
The R&S FSW provides various evaluation methods for the results of the performed
measurements. However, you may want to evaluate the data with further, external
applications. In this case, you can export the measurement data to a standard format
file (ASCII or XML). Some of the data stored in these formats can also be re-imported
to the R&S FSW for further evaluation later, for example in other applications.
The following data types can be exported (depending on the application):
●
Trace data
●
Table results, such as result summaries, marker peak lists etc.
User Manual 1173.9240.02 ─ 23
Functions........................................................................................ 162
Data....................................................................... 164
I/Q Data Import and Export
Import/Export Functions
162