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Децибел
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, десятая часть бела, обозначается дб.
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Decibel, английский
- Unit to express differences of power level. it is used to express power loss in cables.
- Децибел d-b; d/b decimal-to-binary (conversion) десятично-двоичное преобразование
- A logarithmic measure for power ratios, applied e.g. to optical powers or to noise powers
- The unit in which the level, 4 of various acoustical quantities is expressed.
- A unit of measurement of the loudness of sound, used to compare different levels of sound. symbol db comment: normal conversation is at about 50db. very loud noise with a value of over 120db, e.g. that of aircraft engines, can cause pain.
- Децибел; дб decibel-log frequency characteristic логарифмическая частотная характеристика
- The unit of measurement of audio level. ten times the logarithm of the ratio of two power levels. twenty times the logarithm of the ratio of two voltages. standard abbreviations using decibels include: dbv (decibels relative to 1 volt), dbu (decibels relative to 0.775 volt), dbm (decibels relative to 1 milliwatt) and dba (decibels, a weighted).
- Logarithmic expression of a ratio of two amplitudes; abbreviation is db. db -20 log10 (a2/al), where al and a2 are amplitudes.
Desibeli, финский
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Д. б. н., русский
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