Specifies the method used to perform crest factor reduction (CFR) when you set the DPD Pre-DPD CFR Enabled property to True. Refer to DPD concept topic for more information about CFR methods.

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 Clipping.

Remarks

The following table lists the characteristics of this property.

Short Name DPD Pre-DPD CFR Method
Data type ci32.png
Permissions Read/Write
High-level VIs N/A
Resettable Yes
Clipping 0

Hard clips the signal such that the target PAPR is achieved.
Peak Windowing 1

Scales the peaks in the signal using weighted window function to get smooth peaks and achieve the target PAPR.
Sigmoid 2

Scales the peaks using modified sigmoid transfer function to get smooth peaks and achieve the target PAPR. This method does not support the filter operation.