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Signal Processing VIs

LabVIEW 2013 Help

Edition Date: June 2013

Part Number: 371361K-01

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Requires: Full Development System. This topic might not match its corresponding palette in LabVIEW depending on your operating system, licensed product(s), and target.

Use the Signal Processing VIs to perform signal generation, digital filtering, data windowing, and spectrum analysis.

SubpaletteDescription
Digital Filter Design VIs and FunctionsUse the Digital Filter Design VIs and functions to create digital filters and filter banks, analyze filter characteristics, process signals, convert floating-point filters to fixed-point filters, simulate fixed-point filtering processes, and generate code to implement filters on embedded platforms.
Filters VIsUse the Filters VIs to implement IIR, FIR, and nonlinear filters.
Point By Point VIsUse the Point By Point VIs to conveniently and efficiently process data a point at a time. Point By Point VIs are included in the LabVIEW Full Development and Professional Development Systems.
Real-Time Analysis Utilities VIsUse the Real-Time Analysis Utilities VIs to handle the resources used by analysis functions in an RT application.
Signal Generation VIsUse the Signal Generation VIs to generate one-dimensional arrays with specific waveform patterns. The Signal Generation VIs generate digital patterns and waveforms.
Signal Operation VIsUse the Signal Operation VIs to manipulate signals and return a signal output.
Spectral Analysis VIsUse the Spectral Analysis VIs to perform array-based analysis on a spectrum.
System Identification VIsUse the System Identification VIs to create and estimate mathematical models of dynamic systems. You can use the VIs to estimate accurate models of systems based on observed input-output data.
Time Frequency Analysis VIsUse 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.
Time Series Analysis VIsUse the Time Series Analysis VIs to perform preprocessing, statistical analysis, correlation analysis, spectrum estimation, and modeling. You can extract useful information from a time series with different analysis methods for different applications.
Transforms VIsUse the Transforms VIs to implement common transforms used in signal processing. The LabVIEW FFT-based VIs use different output units and scale factors.
Waveform Conditioning VIsUse the Waveform Conditioning VIs to perform digital filtering and windowing.
Waveform Generation VIsUse the Waveform Generation VIs to generate different types of single and multi-tone signals, function generator signals, and noise signals.
Waveform Measurements VIsUse the Waveform Measurements VIs to perform common time and frequency domain measurements, such as DC, RMS, Tone Frequency/Amplitude/Phase, Harmonic Distortion, SINAD, and Averaged FFT Measurements.
Wavelet Analysis VIsUse the Wavelet Analysis VIs to perform transforms and inverse transforms between signals and coefficients. You can use these VIs to perform denoising, detrending, probability density function estimation, peak detection, edge detection, and ridge detection on a 1D or 2D signal.
Windows VIsUse the Windows VIs to implement smoothing windows and to perform data windowing.

Some LabVIEW toolkits provide additional signal processing VIs and functions.

  • Adaptive Filters VIs

 

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