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SVT and NI-Scope: Third-Octave Analysis

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Overview

Perform a third-octave analysis on digitizer data acquired with NI-SCOPE using the Sound and Vibration Toolkit (SVT).

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Filename: scopesvt_thirdoctaveanalysis.vi
Requirements: View

Sound and Vibration Toolkit & NI-SCOPE: Third-Octave Analysis:
This VI continuously acquires data from the specified channel of a high-speed digitizer. The data is scaled to engineering units, the third-octave spectrum is computed, and the octave spectrum is weighted according to the specified weighting.

The third-octave spectrum can be computed according to ANSI or IEC standards

This example demonstrates the compatibility between NI-SCOPE and SVT. It is a good illustration of how to modify other SVT examples to work with NI-SCOPE.

NOTE: Due to the hardware differences between DAQ/DSA devices and digitizers, not all SVT examples can be modified to work with NI-SCOPE.

Related Links:
Sound and Vibration Measurements: How-To Guide
Sound and Vibration Analysis Software
Getting Started with NI-SCOPE
Digitizer/Oscilloscope Fundamentals

Requirements


Filename: scopesvt_thirdoctaveanalysis.vi

Software Requirements


Application Software: LabVIEW Base Development System 8.0
Toolkits and Add-Ons: LabVIEW Sound and Vibration Toolkit 3.1
Language(s): LabVIEW

Hardware Requirements


Hardware Group: High-Speed Digitizers (Scopes)
Hardware Model: NI PCIe-5122, NI PCIe-5142, NI PXIe-5122, NI PXIe-5122, NI PXIe-5142, NI PXIe-5622, PCI-5105, PCI-5112, PCI-5122, PCI-5124, PCI-5142, PCI-5152, PCI-5153, PCI-5154, PCI-5922, PXI-5105, PXI-5112, PXI-5122, PXI-5124, PXI-5142, PXI-5152, PXI-5153, PXI-5154, PXI-5620, PXI-5621, PXI-5922
Driver: NI-SCOPE 3.3.1

 
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This example program (this "program") was developed by a National Instruments ("NI") Applications Engineer. Although technical support of this program may be made available by National Instruments, this program may not be completely tested and verified, and NI does not guarantee its quality in any way or that NI will continue to support this program with each new revision of related products and drivers. THIS EXAMPLE PROGRAM IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND AND SUBJECT TO CERTAIN RESTRICTIONS AS MORE SPECIFICALLY SET FORTH IN NI.COM'S TERMS OF USE (http://ni.com/legal/termsofuse/unitedstates/us/).