Dew Signal for .NET
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The following tables list the members exposed by TBiSpectrumAnalyzer.
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Name |
Description |
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Event triggered just after the average has been applied. | |
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Event triggered just after complex spectrum has been computed, but before averaging in the complex domain. | |
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The event is triggered after the call to the Update method. | |
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If assigned, this event will be called instead of a call to Bands.Update method. | |
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Event triggered just before the average is applied. | |
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Event triggered just before spectrum type is aplied, but after averaging in the complex domain. | |
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The event is triggered just before the call to the Update method. | |
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The event is triggered after the OnAfterUpdate event. Use this event to update any associated charts or graphs or result tables. | |
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If the Input property is not assigned, the component will call OnGetInput. | |
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Assign the event returning the custom computed frequency spectrum to be used for computation of third order spectrum (bispectrum). | |
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The event is called after a call to InternalUpdate, OnAfterUpdate and OnDisplayUpdate from within the Update method. | |
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The event is triggered when ParamUpdate method is called. The ParamUpdate method is usually called by component editors when a value was changed by the user and the editor was "Live". | |
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If assigned, this event will be called instead of a call to Peaks.Update method. | |
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Called from the UpdateSpectrum routine. The event is called after the spectrum data is updated and before the chart is updated. |
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Name |
Description |
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Add amplitude and phase of the ASpectrum to the current spectrum. | |
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This is the overview for the AmpltEst method overload. | |
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This is the overview for the AmpltEst method overload. | |
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Converts the amplitude of the frequency spectrum at Freq frequency to dB according to the value of the Peaks property. | |
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Compute amplitude spectrum from X. | |
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This is Assign, a member of class TAnalysis. | |
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Flip the frequency spectrum on the frequency axis. | |
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This is the overview for the ComplexEst method overload. | |
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Compute the frequency spectrum where the Num is the numerator and Den is the denominator of the transfer function. | |
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Searches for the closes maximum of the amplitude spectrum. Returns the frequency as the result. | |
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Copy ASpectrum to the calling spectrum. | |
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This is Destroy, a member of class TBiSpectrumAnalyzer. | |
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This is DetectChannelCount, a member of class TAnalysis. | |
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Differentiate the signal in the frequency domain. | |
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Divide the calling the spectrum with ASpectrum. | |
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This is EditorClass, a member of class TBiSpectrumAnalyzer. | |
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Filter the peak at Marks position Index from the signal and recalculate the spectrum. | |
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Filter the peak defined with a TMarkRecord record stored at position Index within Marks list from Input.Data. | |
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If all Inputs[i] are dirty the function returns true. | |
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Integrate the signal in the frequency domain. | |
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This is IntegrateSpectrum, a member of class TCustomSpectrumAnalyzer. | |
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When called, the method will pass Update requests recursively to all connected objects. | |
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Notifies all connected components that this component has fresh data. | |
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This is LoadFromStream, a member of class TSpectrumAnalyzer. | |
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Compute the logarithm of the amplitude spectrum and convert to dB. | |
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Convert marks to strings. | |
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Calls MinMaxAmplt and MinMaxPhase. | |
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Find minimum and maximum value of the Amplt spectrum. | |
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Find minimum and maximum value of the Phase spectrum. | |
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Multiply the calling the spectrum with ASpectrum. | |
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Calculates the average of the noise. | |
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The method can be assigned to some other component even handler, as a notification that a parameter has changed and that Self should consider a recalculation. | |
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Return the peak closest to the Freq frequency. | |
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Find the peak nearest to the Freq frequency and return the frequenyc of the newly found peak. | |
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Returns the phase of the frequency spectrum at Freq frequency according to the value of the Peaks property. | |
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This is the overview for the PhaseEst method overload. | |
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Compute phase spectrum from X. | |
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Recursively processes all connected components backward and calls Reset method. | |
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Compute power spectrum from X. | |
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Compute the frequency spectrum where the SrcNum is the numerator and SrcDen is the denominator of the transfer function. | |
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Request recalculation of the entire chain of all connected components. | |
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Calls Pull until pipeEnd is returned. | |
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Resets averaging and frees internal memory. | |
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Reset the frequency spectrum averaging. | |
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Returns the RMS of the spectrum. | |
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Compute RMS spectrum from X. | |
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This is SaveToStream, a member of class TSpectrumAnalyzer. | |
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Scale the calling spectrum with Factor. | |
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Initialize spectrum to zero. | |
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Spurious-free-dynamic-range computes the ratio of the largest marked peak towards the second largest. | |
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Signal-to-noise-and-distortion calculates the the ratio of the maximum mark towards the rest (noise). | |
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Calculates the signal-to-noise ratio. | |
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Compute the spectrum from Input.Data according to the state of the component and place the result in Dst. | |
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Subtract ASpectrum from the calling spectrum. | |
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This is the overview for the TBiSpectrumAnalyzer constructor overload. | |
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Returns the ratio of RMS of the marked peaks, excluding the first, towards the first marked peak and returns the result in [%]. | |
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The total-harmonic-distortion-and-noise computes the sum of sqares of the rest towards the maximum marked peak. | |
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This is the overview for the TSpectrum constructor overload. | |
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This is the overview for the TSpectrumAnalyzer constructor overload. | |
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Request recalculation of the data and place the result in Self. | |
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Call the method after changing the Logarithmic property. | |
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Call this method only, if SuspendNotifyUpdate is True. | |
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Decode data from the bispectrum matrix and place it in Self.Amplt. | |
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If Stats.Recursive was False, calling this method will compute the averaged spectrum and associated statistics. | |
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Convert values to strings. |
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Name |
Description |
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Ready only. Returns the ratio between the original signal length and the length of the analyzed signal padded with zeros. | |
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Stores the amplitude of the spectrum. | |
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Defines the order for the autogressive spectral estimators. | |
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Used to store the number of averages made. | |
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Holds the parameters for the frequency bands. | |
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Returns the bandwidth of the spectrum in [Hz]. | |
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Returns the upper bandwidth edge of the signal. | |
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Returns the lower bandwidth edge of the signal. | |
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Parameters required by the higher order spectral analysis. | |
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Set this property to true, to request computation using complex numbers. | |
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After the first call to Update method, this property returns a pointer to the scaled complex spectrum. | |
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If True, the conjugate symmetric part of the frequency spectrum is to be computed. | |
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If True, the conjugate symmetric part of the frequency spectrum is to be computed. | |
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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. | |
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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. | |
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If True, the component will pass on the udpate request to the connected component. | |
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If True, calculate the cross spectrum and not the transfer function. | |
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Holds Chirp Z-transform configuration. | |
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If True, the DC component will be removed from the signal prior to the transform to the frequency domain. | |
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This is Descriptor, a member of class TStaticSpectrumAnalyzer. | |
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Returns the distance in seconds between two consecutive samples of the signal on which the frequency spectrum is based. | |
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The parameter for the exponential windowing function. | |
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Set this property to request computation in 32bit/64bit precision with real/complex numbers. | |
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Set this property to true to lock changes to FloatPrecision property. | |
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Defines number of harmonics to be used when calculating statistical parameters from the amplitude spectrum. | |
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Returns the frequency resolution in Hz. | |
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Connector property to obtain a pointer to the TSignal component holding the data to be processed. | |
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Connector property to obtain a pointer to the TSignal component holding the data to be processed. | |
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Connector property to obtain a pointer to the TSignal component holding the data to be processed. | |
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Connector property to obtain a pointer to a list of TSignal components holding the data to be processed. | |
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Define the integration/differenation of the frequency spectrum. | |
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Set this property to false, to request computation in 32bit floating point precision, 64bit, if true. | |
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Number to label the object when it is an item in the List. | |
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This is LdBSpan, a member of class TCustomSpectrumAnalyzer. | |
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Defines the length of the spectrum. | |
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Set it to True, to obtain the logarithm of the spectrum in dB. | |
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Defines the base of the logarithmic spectrum. | |
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This is LogMaxAmplt, a member of class TSpectrumAnalyzer. | |
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Defines the scaling of the logarithmic spectrum. | |
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Defines the span of the logarithmic spectrum in dB. | |
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Specify how to apply the logarithm to the spectrum. | |
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Defines the width of the main lobe. Each frequency component in the frequency spectrum should theoretically be infinitely thin. | |
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Stores the frequency, amplitude and phase of selected frequency bins. | |
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Stores the maximum value of the Amplt spectrum found by the MinMaxAmplt method. | |
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Holds the index at which the maximum amplitude was found by the MinMaxAmplt method. | |
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Stores the maximum value of the Phase spectrum found by the MinMaxPhase method. | |
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Defines the method to be used for frequency spectrum estimation. | |
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Stores the minimum value of the Amplt spectrum found by the MinMaxAmplt method. | |
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Stores the minimum value of the Phase spectrum found by the MinMaxPhase method. | |
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Event triggered just after the average has been applied. | |
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Event triggered just after complex spectrum has been computed, but before averaging in the complex domain. | |
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The event is triggered after the call to the Update method. | |
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If assigned, this event will be called instead of a call to Bands.Update method. | |
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Event triggered just before the average is applied. | |
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Event triggered just before spectrum type is aplied, but after averaging in the complex domain. | |
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The event is triggered just before the call to the Update method. | |
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The event is triggered after the OnAfterUpdate event. Use this event to update any associated charts or graphs or result tables. | |
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If the Input property is not assigned, the component will call OnGetInput. | |
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Assign the event returning the custom computed frequency spectrum to be used for computation of third order spectrum (bispectrum). | |
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The event is called after a call to InternalUpdate, OnAfterUpdate and OnDisplayUpdate from within the Update method. | |
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The event is triggered when ParamUpdate method is called. The ParamUpdate method is usually called by component editors when a value was changed by the user and the editor was "Live". | |
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If assigned, this event will be called instead of a call to Peaks.Update method. | |
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Called from the UpdateSpectrum routine. The event is called after the spectrum data is updated and before the chart is updated. | |
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This is Output, a member of class TSpectrumAnalyzer. | |
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Pointer to the component that manages peak analysis. | |
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Stores the phase of the spectrum. | |
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This property determines how to handle the phase of the frequency spectrum. | |
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Specify the range of the phase spectrum. | |
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Defines the units of phase. (radian, degrees). | |
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Returns the state of the pipe after the last update. | |
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Holds the parameters needed to generate a spectrum analysis report. Requires that the descriptor property is properly filled up. | |
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Before the frequency analysis, the signal can be circularly rotated by a specified number of samples. Rotation defines the number of samples. | |
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Defines how to remove the constant (running) phase from the phase spectrum. | |
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Defines the sampling frequency of the signal on which the frequency spectrum is based. | |
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Defines the length of the signal on which the frequency spectrum is based in seconds. | |
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Frequency spectrum will be scaled by a scale factor. | |
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Specifies the attenuation of the main sidelobe in dB. This parameter applies only, if you use the Kaiser or Chebyshev window. | |
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The scaling factor applied to the frequency spectrum. | |
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Specifies the spectrum type to be computed. | |
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Defines the parameters for the averaging and statistical analysis. | |
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This is SupportComplexSpectra, a member of class TSpectrumAnalyzer. | |
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Set this property to True, to prevent calling OnNotifyUpdate from the Update Method. | |
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If True, the phase of the phase spectrum will be "unwrapped". | |
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Set it to True to indicate, that valid signals will be connected to the Input or Inputs properties. | |
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Specifies the window type to be used. Windows decrease spectral leakage, but also decrease spectral resolution. | |
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Defines the level of zero padding of the source signal. |
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