Programming
1049
Commands are available for reading or writing calibration coefficient data
arrays. To read or write, first use the following command:
:SENS{1-160}:CORR:COEF
• If any calibration coefficient is interpolated, the interpolated
calibration coefficient data array will be retrieved. Once a
calibration coefficient data array has been written, execute the
command SENS{1-160}:CORR:COEF:SAVE to validate it
Corrected data arrays
A corrected data array contains the corrected data obtained by performing
error correction, port extension compensation (calibration), Fixture
Simulator operations on the raw measured data of S-Parameter specified
for each trace of each channel. Each data element is stored as a complex
number (Re/Im).
To read/write one of the corrected data arrays, use the following
command:
:CALC{1-160}:DATA:SDAT
Corrected data arrays (S-Parameter)
You can get the S-Parameter measurement result which the analyzer has.
For example, when you measure 2 full ports calibration, the analyzer
measures not only the S-Parameter you selected but also four S-
Parameters at the measurement. In this case, you can get the other S-
Parameter.
To read one of the corrected S-Parameter data arrays, use the following
command:
:SENS{1-160}:DATA:CORR
Corrected memory arrays
When the :CALC{1-160}:MATH:MEM command is executed on a particular
corrected data array, its copy is stored into the corrected memory array
corresponding to that corrected data array.
To read/write one of the corrected data arrays, use the following
command:
:CALC{1-160}:DATA:SMEM
Formatted data array
A formatted data array contains the formatted data (values to be
displayed) obtained by performing data math operations, measurement
parameter conversion, and smoothing on a particular corrected data array.
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