Calculate:Smoothing Commands

Controls point-to-point smoothing. Smoothing is a noise reduction technique that averages adjacent data points in a measurement trace. Choose the amount of smoothing by specifying either the number of points or the aperture. Smoothing is not the same as CALC:AVERage which averages each data point over a number of sweeps.

These commands are Superseded by the CALCulate:MEASure:SMOothing commands.

 

Click on a keyword to view the command details.

See Also

Critical Note: CALCulate commands act on the selected measurement. You can select one measurement for each channel using Calc:Par:MNUM or Calc:Par:Select. Learn more.

CALCulate<cnum>:SMOothing:APERture <num>

Applicable Models: N522xB, N523xB, N524xB, M937xA, P937xA

(Read-Write) Sets the amount of smoothing as a percentage of the number of data points in the channel.

See Critical Note

Parameters

 

<cnum>

Channel number of the measurement. There must be a selected measurement on that channel. If unspecified, <cnum> is set to 1.

<num>

Percentage value. Choose any number between:
1 and 25

Examples

CALC:SMO:APER 2

calculate2:smoothing:aperture 20.7

Query Syntax

CALCulate<cnum>:SMOothing:APERture?

Return Type

Numeric

Default

1.5

CALCulate<cnum>:SMOothing:POINts <num>

Applicable Models: N522xB, N523xB, N524xB, M937xA, P937xA

(Read-Write) Sets the number of adjacent data points to average.

See Critical Note

Parameters

 

<cnum>

Channel number of the measurement. There must be a selected measurement on that channel. If unspecified, <cnum> is set to 1.

<num>

Number of points from 1 point to maximum of 25% of data points in the channel. For example: if number of points in a data trace = 401, the maximum value for points = 100. The points value is always rounded to the closest odd number.

Examples

CALC:SMO:POIN 50

calculate2:smoothing:points 21

Query Syntax

CALCulate<cnum>:SMOothing:POINts?

Return Type

Numeric

Default

3

CALCulate<cnum>:SMOothing[:STATe] <ON | OFF>

Applicable Models: N522xB, N523xB, N524xB, M937xA, P937xA

(Read-Write) Turns data smoothing ON or OFF.

See Critical Note

Parameters

 

<cnum>

Channel number of the measurement. There must be a selected measurement on that channel. If unspecified, <cnum> is set to 1.

<ON | OFF>

ON (or 1) - turns smoothing ON.
OFF (or 0) - turns smoothing OFF.

Examples

CALC:SMO ON

calculate2:smoothing:state off

Query Syntax

CALCulate<cnum>:SMOothing[:STATe]?

Return Type

Boolean (1 = ON, 0 = OFF)

Default

OFF