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Spectral Analysis PtByPt VIs (Not in Base Package)

LabVIEW 8.2 Help
August 2006

NI Part Number:
371361B-01

»View Product Info

Owning Palette: Point By Point VIs

Use the Spectral Analysis PtByPt VIs to implement common transforms used in mathematics and signal processing.

The VIs on this palette can return general LabVIEW error codes or specific point by point error codes.

Palette ObjectDescription
Amplitude and Phase Spectrum PtByPtComputes the single-sided, scaled amplitude-spectrum magnitude and phase of a real time-domain signal.
Auto Power Spectrum PtByPtComputes the single-sided, scaled auto power spectrum of a time-domain signal.
Buneman Frequency Estimator PtByPtEstimates the frequency of a given sine wave of unknown frequency using the Buneman formula.
Cross Power PtByPtComputes the cross power spectrum, Sxy, of the set of input data points specified by sample length.
Cross Power Spectrum PtByPtComputes the single-sided, scaled, cross power spectrum of two real-time signals.
Power Spectrum PtByPtComputes the Power Spectrum, Sxx, of the set of input data points specified by sample length.
STFT Spectrogram PtByPtComputes the signal energy distribution in the joint time-frequency domain using the Short-Time Fourier Transform (STFT) algorithm.
WVD Spectrogram PtByPtComputes the signal energy distribution in the joint time-frequency domain using the Wigner-Ville distribution algorithm.


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