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positive light modulation

noun
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variants: or positive transmission

Definition of positive light modulation

: a system of television in which an increase in the brightness of the picture corresponds to an increase in the signal strength

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“Positive light modulation.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/positive%20light%20modulation. Accessed 6 December 2019.

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