| dB |
A dB is a unit of measure of signal strength, usually the relation between a transmitted signal and a standard signal source. Every 3 dB = 50% of signal strength, so therefore a 6 dB loss = a loss of 75% of total signal strength.
출처: www.kraycabling.com/technical_info/glossary.htm
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| dB |
A decibel describes the relative loudness of a sound. Some common sounds are fairly close to a typical air conditioner or heat pump's sound level: human voice, 7.0 decibels; blender, 8.8 decibels.
출처: www.acca-saacca.org/definitn.htm
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| dB |
A logarithmic measure of the ratio between two powers, voltages, currents, sound intensities, etc. Signal-to-noise ratios are expressed in decibels.
출처: www.retailspy.com/html/tech/glossary.htm
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| DBI |
Data Base Initiative. A cost accounting and performance tracking system established by the Oregon Department of Education, for the purpose of tracking expenditures against performance.
출처: www.salkeiz.k12.or.us/Resources/Budget/backgroundi...
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| dB |
The measurement of the intensity of sound.
출처: www.climatemakers.com/glossary.htm
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