Time Frequency Analysis VIs

LabVIEW 2014 Advanced Signal Processing Toolkit Help

Edition Date: June 2014

Part Number: 372656C-01

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June 2013, 371419E-01

Requires: Advanced Signal Processing Toolkit. This topic might not match its corresponding palette in LabVIEW depending on your operating system, licensed product(s), and target.

Use the Time Frequency Analysis VIs to transform a time-domain signal to a joint time-frequency domain representation. You can extract useful information from the time-frequency domain representation of a signal, or you can process a time-frequency domain representation and reconstruct a time-domain signal.

The VIs on this palette can return general LabVIEW error codes or specific Time Frequency Analysis error codes.

Feature Extraction VIsUse the Feature Extraction VIs to extract useful information from the quadratic time-frequency representation of signals.
Online JTFA VIsUse the Online JTFA VIs to perform time-frequency type calculations continuously.
Time Frequency Spectrogram VIsUse the Time Frequency Spectrogram VIs to compute the quadratic energy distribution of the signal in the joint time-frequency domain.
Time Frequency Transform VIsUse the Time Frequency Transform VIs to decompose signals as linear combinations of elementary functions. The elementary functions are localized in time and frequency. You also can reconstruct the signal from the elementary functions.
Utilities VIsUse the Utilities VIs to generate signals for demonstration purposes or to access scale information in the time-frequency representation.

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