Specifies the factor by which the time-domain waveform is zero-padded before fast Fourier transform (FFT). The FFT size is given by the following formula:

Syntax

RFMXSPECAN_ATTR_CHP_FFT_PADDING

Numeric Value

Data Type

Access

Applies To

1060875

float64

Read/Write

N/A

Remarks


waveform size * padding

This attribute is used only when the acquisition span is less than the device instantaneous bandwidth of the device.

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

The default value is -1.