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Document Type: Example Program
NI Supported: Yes
Publish Date: Sep 6, 2006


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Simulation of a Simple Harmonic Analysis of a Nonlinear System Using the HarmonicAnalyzer Function in LabWindows/CVI

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Filename: thd.zip
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Demonstrates a harmonic analysis of a nonlinear system using HarmonicAnalyzer. This sample generates a pure sinusoid with a fundamental frequency and passes it to your system. The sample program windows nonlinearly distorted output of Your System, computes the AutoPowerSpectrum, and passes the computation to the HarmonicAnalyzer function. The system positions cursors to display the fundamental and harmonic frequencies while the sample program computes and displays the Total Harmonic Distortion (THD) and the THD + Noise.

Requirements


Filename: thd.zip

Software Requirements


Application Software: LabWindows/CVI Full Development System 5.5
Language(s): C

 
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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/).