public

The public members of the TSpectrum class are listed here.

	Name	Description
	Add	Add amplitude and phase of the ASpectrum to the current spectrum.
	AmpltEst	This is the overview for the AmpltEst method overload.
	AmpltSpectrum	Compute amplitude spectrum from X.
	BandFlip	Flip the frequency spectrum on the frequency axis.
	ConvergeToMaximum	This is the overview for the ConvergeToMaximum method overload.
	Copy	Copy ASpectrum to the calling spectrum.
	Differentiate	Differentiate the signal in the frequency domain.
	Divide	Divide the calling the spectrum with ASpectrum.
	FilterPeak	Filter the peak at Marks position Index from the signal and recalculate the spectrum.
	FreqToFreqIndex	Computes range checked array indexes in the spectrum from frequency values.
	Integrate	Integrate the signal in the frequency domain.
	IsNumericalInterpolationSupported	This is IsNumericalInterpolationSupported, a member of class TSpectrum.
	LogAmplt	Compute the logarithm of the amplitude spectrum and convert to dB.
	MarksToStrings	Convert marks to strings.
	MinMax	Calls MinMaxAmplt and MinMaxPhase.
	MinMaxAmplt	Find minimum and maximum value of the Amplt spectrum.
	MinMaxPhase	Find minimum and maximum value of the Phase spectrum.
	Mul	Multiply the calling the spectrum with ASpectrum.
	NF	Calculates the average of the noise.
	PeakApproximate	Return the peak closest to the Freq frequency.
	PhaseEst	This is the overview for the PhaseEst method overload.
	PhaseSpectrum	Compute phase spectrum from X.
	PowerSpectrum	Compute power spectrum from X.
	RMS	Returns the RMS of the spectrum.
	RMSSpectrum	Compute RMS spectrum from X.
	Scale	Scale the calling spectrum with Factor.
	SetZero	Initialize spectrum to zero.
	SFDR	Spurious-free-dynamic-range computes the ratio of the largest marked peak towards the second largest.
	SINAD	Signal-to-noise-and-distortion calculates the the ratio of the maximum mark towards the rest (noise).
	Size	Assign Length, Complex and SamplingFrequency properties.
	SNR	Calculates the signal-to-noise ratio.
	Sqr	Square the Amplt and Phase of the ASpectrum and copy it to self.
	Subtract	Subtract ASpectrum from the calling spectrum.
	THD	Returns the ratio of RMS of the marked peaks, excluding the first, towards the first marked peak and returns the result in [%].
	THDN	The total-harmonic-distortion-and-noise computes the sum of sqares of the rest towards the maximum marked peak.
	ValuesToStrings	Convert values to strings.

Public Properties

	Name	Description
	Averages	Used to store the number of averages made.
	BandwidthH	Returns the upper bandwidth edge of the signal.
	BandwidthL	Returns the lower bandwidth edge of the signal.
	ConjExtend	If True, the conjugate symmetric part of the frequency spectrum is to be computed.
	ConjFlip	If True, the conjugate symmetric part of the frequency spectrum will be placed in 0.5..1.0 Fs (as returned by the FFT), and not between -0.5..0.0 Fs.
	Input	Must be "Hidden" unless it is published
	IsSpectrumAnalyzer	Returns true, if the descendant class is derived from TSpectrumAnalyzer.
	Marks	Stores the frequency, amplitude and phase of selected frequency bins.
	MaxAmplt	Stores the maximum value of the Amplt spectrum found by the MinMaxAmplt method.
	MaxFreqIndex	Holds the index at which the maximum amplitude was found by the MinMaxAmplt method.
	MaxPhase	Stores the maximum value of the Phase spectrum found by the MinMaxPhase method.
	MinAmplt	Stores the minimum value of the Amplt spectrum found by the MinMaxAmplt method.
	MinPhase	Stores the minimum value of the Phase spectrum found by the MinMaxPhase method.

Links

TSpectrum Class, Legend, Public Methods, Public Properties

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