File:Phase Comparison image two waves.gif

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Phase_Comparison_image_two_waves.gif(640 × 480 pixels, file size: 12 KB, MIME type: image/gif)

Summary

Description
English: A comparison of the phase of two waveforms, usually of the same nominal frequency. In time and frequency metrology, the purpose of a phase comparison is generally to determine the frequency offset of a device under test (DUT) with respect to a reference. A phase comparison can be made by connecting two signals to a two-channel oscilloscope. The oscilloscope will display two sine waves, as shown in the graphic.
Date
Source National Institute of Standards and Technology (NIST) [1]
Author National Institute of Standards and Technology (NIST) [2]

Licensing

Public domain
This image is in the public domain in the United States because it is a work of the United States Federal Government, specifically an employee of the National Institute of Standards and Technology, under the terms of Title 17, Chapter 1, Section 105 of the US Code.

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12 May 2010

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Date/TimeThumbnailDimensionsUserComment
current05:31, 12 June 2016Thumbnail for version as of 05:31, 12 June 2016640 × 480 (12 KB)Steve QuinnUser created page with UploadWizard
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