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Summary Of: Decibels

a ratio can be expressed in decibels by evaluating ten times the base... represents that ratio expressed in decibels and is calculated using the formula... decibels are used to account for the gains and losses of a signal from a transmitter... conversions of voltage ratios to decibels must square the amplitude...

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This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Decibels".