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One Shot Gain Phase and Distortion.

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Overview

This example, while not specifically written for the LabVIEW Real-Time Module, runs on RT targets. This VI generates and acquires data for a single-shot acquisition and performs gain and phase measurements on the acquired stimulus and response channels. This VI also measures the signal in noise and distortion (SINAD) on the acquired response channel. You can specify the initial settling time of the device under test, the integration time to use for the measurement, and the frequency range of interest. The graphical output displays the time record of the stimulus and response data to process. gain and phase lag measure the relative response of the response to the stimulus at the specified test frequency. SINAD [dB] measures the quality of the response signal in the specified frequency range. This program is a shipping example VI included with the NI Sound and Vibration Measurement Suite and NI Sound and Vibration Toolkit.

This Virtual Instrument is designed to work with data acquisition hardware from National Instruments. To find compatible hardware for this application, visit ni.com/soundandvibration.

Downloads

Filename: gain-phase-and-distortion.vi
Requirements: View

Front Panel


This is a picture of the VI's front panel. To view the block diagram and additional documentation, download the attached file.



Related Links

Requirements


Filename: gain-phase-and-distortion.vi

Software Requirements


Application Software: LabVIEW Full Development System 8.2
Toolkits and Add-Ons: LabVIEW Sound and Vibration Toolkit 5.0

Hardware Requirements


Hardware Group: Dynamic Signal Analyzers (DSA)
Driver: NI-DAQmx 8.3

 
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Legal
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/).