Horizontal:RIS Method Property

NI High-Speed Digitizers Help (NI-SCOPE)

Edition Date: January 2017

Part Number: 370592AB-01

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NI-SCOPE (English | Japanese)

Short Name: RIS Method

Property of niScope

Specifies the algorithm for random-interleaved sampling, which is used if the sample rate exceeds the Max Realtime Sample Rate.

Exact Num Avg. (1)

Acquires exactly the specified number of records for each bin in the RIS acquisition.

Min Num Avg. (2)

Each RIS sample is the average of a least a minimum number of randomly distributed points.

Incomplete (3)

If RIS does not complete in the allotted fetch time, the Fetch VI should abort and return the incomplete data. Any missing samples appear as NaN when fetching scaled data or zero when fetching binary data. A warning with a positive error code is returned from the Fetch VI if the RIS acquisition did not finish. The acquisition is aborted when data is returned.

Limit Bin Width (5)

Each RIS sample is the average of Min Num Avg points distributed close to the sample period boundaries (within 200 ps). Points falling between sample periods are ignored.

Remarks

The following table lists the characteristics of this property.

Datatype iL
PermissionsRead/Write
High-level VIs N/A
Channel-based No
ResettableNo

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