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Fechner fraction |
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Fechner fraction [′fek·ner ‚frak·shən]
(physiology) The smallest difference in the brightness of two sources that can be detected by the human eye divided by the brightness of one of them. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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