Specifies the aperture mode to be used for the computation of group delay for all S-Parameters for which Sparams Format property is set to Group Delay.

You do not need to use a selector string to configure or read this property for the default signal instance. Refer to the Selector Strings topic for information about the string syntax for named signals.

The default value is Points.

Remarks

The following table lists the characteristics of this property.

Short Name SParams Group Delay Mode
Data type ci32.png
Permissions Read/Write
High-level VIs N/A
Resettable Yes
Points 0

Sets group delay aperture mode to Points. You can specify the aperture in terms of the number of frequency points by configuring SParams Group Delay Aperture Points.
Percentage 1

Sets group delay aperture mode to Percentage. You can specify the aperture in terms of the frequency separation expressed in percentage by configuring SParams Group Delay Aperture Percentage.
Frequency Span 2

Sets group delay aperture to Frequency Span. You can specify the aperture in terms of the frequency separation by configuring SParams Group Delay Aperture Frequency Span.