Onboard Signal Processing:DDC:Fetch Interleaved IQ Data Property

NI High-Speed Digitizers Help (NI-SCOPE)

Edition Date: January 2017

Part Number: 370592AB-01

View Product Info

DOWNLOAD (Windows Only)

NI-SCOPE (English | Japanese)

Short Name: Fetch Interleaved IQ Data

Property of niScope

Specifies whether a fetch call retrieves a single waveform with I and Q interleaved, or two separate waveforms. If enabled, the number of elements returned by scalar fetch types (such as 16-bit integer) is twice the requested number of samples. If disabled during DDC acquisitions in Complex mode, two noninterleaved arrays of data are returned per channel, per record.

Note  This property can be used only with high-speed digitizers that support onboard signal processing (OSP). NI-SCOPE returns an error if you use this property with a device that does not support OSP.


The following table lists the characteristics of this property.

Datatype bool
High-level VIs N/A
Channel-based No


Not Helpful