Owning Palette: Frequency-Domain Weighting VIs

Requires: Sound and Vibration Toolkit

Converts acceleration to velocity or displacement using a frequency spectrum as the input. Wire data to the spectrum input to determine the polymorphic instance to use or manually select the instance.

SVL Integration (Spectrum) (1 Ch)SVL Integration (Spectrum) (N Ch)SVL Integration (Peaks) (1 Ch)SVL Integration (Peaks) (N Ch)

SVL Integration (Spectrum) (1 Ch)

length units specifies the desired units for length in the integrated spectrum. Use this parameter to change the base units for the integrated spectrum.
0 no change
1 m (default)
2 mm
3 microns
4 in
5 mils
spectrum specifies the frequency-domain data, which contains the frequency scaling and the magnitude of the spectrum.
f0 specifies the start frequency, in hertz, of the spectrum.
df specifies the frequency resolution of the spectrum expressed in hertz.
magnitude specifies the magnitude of the spectrum.
integration type specifies the type of integration to perform. The default is double integration.
0 Single integration €”Returns the velocity if the input is acceleration.
1 Double integration (default)€”Returns the displacement if the input is acceleration.
spectrum info in specifies the properties of the previously computed spectrum.
Note You must wire spectrum info in when performing extended measurements. Do not modify the spectrum info in values. If you want to view the information, you can right-click the spectrum info in wire and select Custom Probe»Spectrum Info from the shortcut menu.
error in describes error conditions that occur before this node runs. This input provides standard error in functionality.
integrated spectrum returns the integrated spectrum.
f0 returns the start frequency, in hertz, of the spectrum.
df returns the frequency resolution of the spectrum expressed in hertz.
magnitude returns the magnitude of the integrated spectrum.
unit label returns the selected engineering units.
spectrum info out returns the properties of the computed spectrum.
Note You must wire spectrum info out when performing extended measurements. Do not modify the spectrum info out values. If you want to view the information, you can right-click the spectrum info out wire and select Custom Probe»Spectrum Info from the shortcut menu.
error out contains error information. This output provides standard error out functionality.

SVL Integration (Spectrum) (N Ch)

length units specifies the desired units for length in the integrated spectrum. Use this parameter to change the base units for the integrated spectrum.
0 no change
1 m (default)
2 mm
3 microns
4 in
5 mils
spectra specifies the frequency-domain data for each spectrum.
f0 specifies the start frequency, in hertz, of the spectrum.
df specifies the frequency resolution of the spectrum expressed in hertz.
magnitude specifies the magnitude of the spectrum.
integration type specifies the type of integration to perform. The default is double integration.
0 Single integration €”Returns the velocity if the input is acceleration.
1 Double integration (default)€”Returns the displacement if the input is acceleration.
spectrum info in specifies the properties of the previously computed spectrum.
Note You must wire spectrum info in when performing extended measurements. Do not modify the spectrum info in values. If you want to view the information, you can create a custom probe.
error in describes error conditions that occur before this node runs. This input provides standard error in functionality.
integrated spectra returns an array of single or double-integrated spectra.
f0 returns the start frequency, in hertz, of the spectrum.
df returns the frequency resolution of the spectrum expressed in hertz.
magnitude returns the magnitude of the integrated spectrum.
unit labels returns the selected engineering units for each channel.
spectrum info out returns the properties of the computed spectrum.
Note You must wire spectrum info out when performing extended measurements. Do not modify the spectrum info out values. If you want to view the information, you can create a custom probe.
error out contains error information. This output provides standard error out functionality.

SVL Integration (Peaks) (1 Ch)

length units specifies the desired units for length in the integrated spectrum. Use this parameter to change the base units for the integrated spectrum.
0 no change
1 m (default)
2 mm
3 microns
4 in
5 mils
peaks specifies the frequency and value for each peak.
frequency [Hz] specifies the frequency of the peak.
value specifies the peak value of the peak.
integration type specifies the type of integration to perform. The default is double integration.
0 Single integration €”Returns the velocity if the input is acceleration.
1 Double integration (default)€”Returns the displacement if the input is acceleration.
spectrum info in specifies the properties of the previously computed spectrum.
Note You must wire spectrum info in when performing extended measurements. Do not modify the spectrum info in values. If you want to view the information, you can right-click the spectrum info in wire and select Custom Probe»Spectrum Info from the shortcut menu.
error in describes error conditions that occur before this node runs. This input provides standard error in functionality.
integrated peaks returns the frequency and value for each peak.
frequency [Hz] returns the frequency of the peak.
value returns the peak value of the peak.
unit label returns the selected engineering units.
spectrum info out returns the properties of the computed spectrum.
Note You must wire spectrum info out when performing extended measurements. Do not modify the spectrum info out values. If you want to view the information, you can right-click the spectrum info out wire and select Custom Probe»Spectrum Info from the shortcut menu.
error out contains error information. This output provides standard error out functionality.

SVL Integration (Peaks) (N Ch)

length units specifies the desired units for length in the integrated spectrum. Use this parameter to change the base units for the integrated spectrum.
0 no change
1 m (default)
2 mm
3 microns
4 in
5 mils
peaks specifies the frequency and value for each peak.
frequency [Hz] specifies the frequency of the peak.
value specifies the peak value of the peak.
integration type specifies the type of integration to perform. The default is double integration.
0 Single integration €”Returns the velocity if the input is acceleration.
1 Double integration (default)€”Returns the displacement if the input is acceleration.
spectrum info in specifies the properties of the previously computed spectrum.
Note You must wire spectrum info in when performing extended measurements. Do not modify the spectrum info in values. If you want to view the information, you can create a custom probe.
error in describes error conditions that occur before this node runs. This input provides standard error in functionality.
integrated peaks returns the frequency and value for each peak.
frequency [Hz] returns the frequency of the peak.
value returns the peak value of the peak.
unit labels returns the engineering units for the weighted peaks.
spectrum info out returns the properties of the computed spectrum.
Note You must wire spectrum info out when performing extended measurements. Do not modify the spectrum info out values. If you want to view the information, you can create a custom probe.
error out contains error information. This output provides standard error out functionality.