Campbell-scientific CR800 and CR850 Measurement and Control Systems Uživatelský manuál stáhnout pdf (Strana 455)

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Appendix A. CRBasic Programming Instructions

455

A.2.3 Final Data Storage (Output) Processing

Read More! See Data Output Processing Instructions (p. 130).

FieldNames

Immediatelyfollowsanoutputprocessinginstructiontochangedefaultfield

names.

Syntax

FieldNames("Fieldname1 : Description1, Fieldname2 :

Description2…")

A.2.3.1 Single-Source

Average

Storestheaveragevalueovertheoutputintervalforthesourcevariableoreach

elementofthearrayspecified.

Syntax

Average(Reps, Source, DataType, DisableVar)

Covariance

Calculatesthecovarianceofvaluesinanarrayovertime.

Syntax

Covariance(NumVals, Source, DataType, DisableVar, NumCov)

FFT

PerformsaFastFourierTransformonatimeseriesofmeasurementsstoredinan

array.

Syntax

FFT(Source, DataType, N, Tau, Units, Option)

Maximum

Storesthemaximumvalueovertheoutputinterval.

Syntax

Maximum(Reps, Source, DataType, DisableVar, Time)

Median

Storesthemedianofadependantvariableovertheoutputinterval.

Syntax

Median(Reps, Source, MaxN, DataType, DisableVar)

Minimum

Storestheminimumvalueovertheoutputinterval.

Syntax

Minimum(Reps, Source, DataType, DisableVar, Time)

Moment

Storesthemathematicalmomentofavalueovertheoutputinterval.

Syntax

Moment(Reps, Source, Order, DataType, DisableVar)

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