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Owning Palette: Advanced PSD VIs
Requires: Advanced Signal Processing Toolkit
Separates the harmonic peaks in the power spectral density (PSD) by computing the power cepstrum of the input PSD and filtering out unnecessary harmonic peaks in the power cepstrum. The word lifter is an anagram of the word filter.
|lifter range specifies how many data points to remove around the selected peaks. The default is 8.|
|PSD specifies information about the power spectral density. |
|base t specifies the position of base peak in harmonic families. Each element of the array represents one base peak of a harmonic family.|
|error in describes error conditions that occur before this node runs. This input provides standard error in functionality.|
|dB on? specifies to express PSD in decibels. The default is TRUE.|
|liftered PSD returns information about the liftered power spectral density. |
|power cepstrum returns information about the calculated power cepstrum. |
|error out contains error information. This output provides standard error out functionality.|
|liftering mask returns information about the mask of the power cepstrum. |
Refer to the Lifter Power Spectral Density of Gearbox VI in the labview\examples\Time Series Analysis\TSAApplications directory for an example of using the TSA Lifter PSD VI.