Fetches the EVM trace for the QEVM measurement.

Syntax

Namespace: NationalInstruments.RFmx.WcdmaMX

public int FetchEvmTrace(string selectorString, double timeout, ref AnalogWaveform< float > evm)

Parameters

NameTypeDescription
selectorStringstring

Specifies a selector string comprising of the result name. Example:
""
"result::r1"
You can use the BuildResultString(string) method to build the selector string.

timeoutdouble

Specifies the time for which the method waits for the measurement to complete. This value is expressed in seconds. A value of -1 specifies that the method waits until the measurement is complete.

evmref AnalogWaveform< float >

Upon return, contains the trace of error vector magnitude of the QPSK corrected signal for the last acquisition. This value is expressed as a percentage.

Returns

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