2.2 Real-time averaging mode (AVG option)
26 Acqiris SA220P User's Manual
Data readout
The data returned by the driver are 32-bit signed values.
Other AVG Parameters
Finally, below are specific parameters commonly used in the averager:
NumberOfAverages: number of waveforms to average in the record.
DataInversionEnabled: the data acquired may be inverted if desired, before the averaging.
Mode: select the averager mode (IAqMD3Acquisition.Mode property in IVI.NET or AQMD3_
VAL_ACQUISITION_MODE_AVERAGER in IVI-C)
Enabling the Averager mode
IVI.NET
The average mode is selected by setting IAqMD3Acquisition.Mode property to
Acqiris.AqMD3.AcquisitionMode.Averager:
instrument.Acquisition.Mode = AcquisitionMode.Averager;
IVI-C
The attribute AQMD3_ATTR_ACQUISITION_MODE (ViInt32) must be set to value AQMD3_VAL_
ACQUISITION_MODE_AVERAGER:
AqMD3_SetAttributeViInt32( session, "", AQMD3_ATTR_ACQUISITION_MODE,
AQMD3_VAL_ACQUISITION_MODE_AVERAGER );
Program examples for acquisitions with real-time averaging are available:
C:\Program Files\IVI Foundation\IVI\Drivers\AqMD3\Examples
AVG Configuration
The interfaces/methods/properties (functions/attributes) listed below are provided by the Acqiris
MD3 Software. Detailed help on these interfaces may be found in the AqMD3 IVI Driver Help —
Please refer to AqMD3.chm (IVI-C) or Acqiris.AqMD3.Fx40.chm (IVI.NET).
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