Common Analysis and Display Functions
R&S
®
ESW
256
User Manual 1177.6298.02 ─ 08
11.5.2.4
Reference: Limit Line File Format
Limit line data can be exported to a file in ASCII (CSV) format for further evaluation in
other applications. Limit lines stored in the specified ASCII (CSV) format can also be
imported to the R&S
ESW for other measurements (see
on page 255). This reference describes in detail the format of the export/import files for
limit lines. Note that the
bold
data is
mandatory
, all other data is optional.
Different language versions of evaluation programs may require a different handling of
the decimal point. Thus, you can define the decimal separator to be used (see
Table 11-4: ASCII file format for limit line files
File contents
Description
Header data
sep=;
Separator for individual values (required by Microsoft Excel, for
example)
Type
;RS_LimitLineDefinition;
Type of data
FileFormatVersion
;1.00;
File format version
Date;01.Oct 2006;
Date of data set storage
OptionID;SpectrumAnalyzer
Application the limit line was created for
Name;
RELFREQ1
Limit line name
Comment;Defines the upper limit line
Description of limit line
Mode;UPPER
Type of limit line (upper, lower)
ThresholdUnit;LEVEL_DBM
Unit of threshold value
ThresholdValue;-200
Threshold value
MarginValue;0
Margin value
XAxisScaling;LINEAR
Scaling of x-axis linear (LIN) or logarithmic (LOG)
XAxisUnit;FREQ_HZ
Unit of x values
XAxisScaleMode;ABSOLUTE
Scaling of x-axis (absolute or relative)
YAxisUnit;LEVEL_DB
Unit of y values
YAxisScaleMode;ABSOLUTE
Scaling of y-axis (absolute or relative)
NoOfPoints
;5
Number of points the line is defined by
Data section for individual data points
-4500000000;-50
x- and y-values of each data point defining the line
-2000000000;-30
-1000000000;0
0;-30
2500000000;-50
Display and Limit Lines
