Fetches the two-sample deviation of the measured frequency.

Syntax

Namespace: NationalInstruments.RFmx.SpecAnMX

public int FetchAllanDeviation(string selectorString, double timeout, out double allanDeviation)

Parameters

NameTypeDescription
selectorStringstring

Specifies a selector string comprising of the result name. If you do not specify the result name, the default result instance is used. Example:
""
""
"result::r1"
You can use the BuildResultString(string) method to build the selector string.

timeoutdouble

Specifies the timeout, in seconds, for fetching the specified measurement. Set this value to an appropriate time, longer than expected for fetching the measurement. A value of -1 specifies that the method waits until the measurement is complete.

allanDeviationout double

Upon return, contains the two-sample deviation of the measured frequency.

Returns

Returns the status code of this method. The status code either indicates success or describes a warning condition.