RFmxTdscdmaMXSemResults.FetchSpectrum Method

public int FetchSpectrum(
	string selectorString,
	double timeout,
	ref Spectrum<float> spectrum,
	ref Spectrum<float> relativeMask,
	ref Spectrum<float> absoluteMask
)

Public Function FetchSpectrum ( 
	selectorString As String,
	timeout As Double,
	ByRef spectrum As Spectrum(Of Single),
	ByRef relativeMask As Spectrum(Of Single),
	ByRef absoluteMask As Spectrum(Of Single)
) As Integer

Parameters

selectorString

Type: SystemString
Specifies a selector string comprising of the result name. If you do not specify the result name, the default result instance is used.

timeout

Type: SystemDouble
Specifies the timeout for fetching the specified measurement. This value is expressed in seconds. 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.

spectrum

Type: NationalInstrumentsSpectrumSingle
Upon return, contains the trace of power levels in the spectral domain. This value is expressed in dBm.

relativeMask

Type: NationalInstrumentsSpectrumSingle
Upon return, contains the trace of power levels representing the relative mask in the spectral domain.

absoluteMask

Type: NationalInstrumentsSpectrumSingle
Upon return, contains the data for a real waveform including the start, delta, and actual values.

Return Value

Reference