| dB |
Decibel. A unit used to express relative difference in power or intensity, usually between two acoustic or electric signals, equal to ten times the common logarithm of the ratio of the two levels. Decibels indicate the ratio of power output to power input dB = 10 log10 (P1/P2).
출처: www.powersource.net/glossary-d.htm
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| dB |
The standard unit used to express the ratio of two power levels. It is used in communications to express either a gain or loss in power between the input and output devices.
출처: www.satnews.com/GLOSSARY.HTML
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| dB |
An analog unit of measure of signal strength, volume, or signal loss due to resistance as expressed in logarithmic form. (Satellite Industry News, Jan, 1999)
출처: www.adec.edu/tag/glossary.html
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| dB |
A unit of measurement for audio volume level.
출처: www.video-business-school.com/Glossedit.htm
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| dB |
Logarithmic representation of a mathematical value. It can be used to represent power (dBW), audio level (dBm), gain of an antenna (dBi) and losses in a system (dB).
출처: www.telesat.ca/satellites/terminology.htm
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