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Owning Palette: Signal Processing VIs

Use the Spectral Analysis VIs to perform array-based analysis on a spectrum.

The VIs on this palette can return signal processing error codes.

Palette Object	Description
Amplitude and Phase Spectrum	Computes the single-sided, scaled amplitude spectrum of a real-valued time-domain signal and returns the amplitude spectrum as magnitude and phase.
Auto Power Spectrum	Computes the single-sided, scaled, auto power spectrum of a time-domain signal.
Buneman Frequency Estimator	Estimates the frequency of a given sine wave of unknown frequency using the Buneman formula.
Cross Power Spectrum	Computes the single-sided, scaled, cross power spectrum of two real-time signals.
Cross Power	Computes the cross power spectrum, Sxy, of the input signals X and Y. The data type you wire to the X input determines the polymorphic instance to use.
Power & Frequency Estimate	Computes the estimated power and frequency around a peak in the power spectrum of a time-domain signal.
Power Spectrum	Computes the Power Spectrum, Sxx, of the input sequence X. The data type you wire to the X input determines the polymorphic instance to use.
Spectrum Unit Conversion	Converts either the power, amplitude, or gain (amplitude ratio) spectrum to alternate formats including Log (decibel and dbm) and spectral density.
STFT Spectrograms	Computes the signal energy distribution in the joint time-frequency domain, using the Short-Time Fourier Transform (STFT) algorithm.
Unevenly Sampled Signal Spectrum	Calculates the power spectrum of a signal that is unevenly spaced in time.
WVD Spectrogram	Computes the signal energy distribution in the joint time-frequency domain using the Wigner-Ville distribution algorithm.