class="resources" Frequency Domain VIs (Not in Base Package) - LabVIEW 7.1 Help - Support - National Instruments
Company Events Academic NI Developer Zone Support Solutions Products & Services Contact NI MyNI

Frequency Domain VIs (Not in Base Package)

Use the Frequency Domain VIs to implement common transforms used in mathematics and signal processing. The Frequency Domain VIs perform frequency domain transformations, frequency domain analysis, time domain analysis, and other transforms, such as the Hartley and Hilbert transforms.

Click the icons for VI descriptions.

Up to Owning Palette Search Options Auto Power Spectrum Power Spectrum Cross Power Spectrum Amplitude and Phase Spectrum Unevenly Sampled Signal Spectrum Cross Power Fast Hilbert Transform FHT Wavelet Transform Daubechies4 Walsh Hadamard Inverse Fast Hilbert Transform Inverse FHT Wavelet Transform Daubechies4 Inverse Walsh Hadamard Inverse Buneman Frequency Estimator WVD Spectrogram STFT Spectrogram Laplace Transform Real Power & Frequency Estimate Spectrum Unit Conversion Harmonic Analyzer Network Functions (avg) Transfer Function FFT Inverse FFT

Amplitude and Phase SpectrumNetwork Functions (avg)
Auto Power SpectrumPower & Frequency Estimate
Buneman Frequency EstimatorPower Spectrum
Cross PowerSpectrum Unit Conversion
Cross Power SpectrumSTFT Spectrogram
Fast Hilbert TransformTransfer Function
FFTUnevenly Sampled Signal Spectrum
FHTWalsh Hadamard
Harmonic AnalyzerWalsh Hadamard Inverse
Inverse Fast Hilbert TransformWavelet Transform Daubechies4
Inverse FFTWavelet Transform Daubechies4 Inverse
Inverse FHTWVD Spectrogram
Laplace Transform Real

The VIs on this palette can return general LabVIEW error codes or specific signal processing error codes.

Refer to the LabVIEW Analysis Concepts manual for information about frequency analysis.

Examples

Refer to the following VIs for examples of using the Frequency Domain VIs:

  • labview\examples\analysis\dspxmpl.llb

     

  • labview\examples\analysis\windxmpl.llb

     

  • labview\examples\sound\sound adv.llb

     


Resources
 

Your Feedback! poor Poor  |  Excellent excellent   Yes No
 Document Quality? 
 Answered Your Question? 
Add Comments 1 2 3 4 5 submit