E4990A Help
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:FORM:BORD
Executing the :SYST:PRES or *RST does not affect the
current setting of the byte order.
Internal Data Processing
•
Overview
• Internal Data Arrays
Other topics about Communication with External Devices
Overview
The following figure provides an overview of the E4990A's internal data
processing flow.
E4990A's data processing flow
Internal Data Arrays
Corrected data arrays
A corrected data array contains the corrected data obtained by performing
error correction and port extension compensation (calibration) 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).
The instrument retains 16 corrected data arrays at maximum, each of
which is associated with one of the 4 traces contained in one of the 4
channels (4 × 4 = 16). To read/write one of the corrected data arrays, use
the following command:
:CALC:DATA:RDAT
Corrected memory arrays
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