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File:Phase Comparison image two waves.gif

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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copyright status

public domain

applies to jurisdiction: United States of America
determination method or standard: work of the federal government of the United States

inception

12 May 2010

media type

image/gif

File history

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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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