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121 sound power level Lw
уровень интенсивности звука Lw- воздушное давление (дБ). В его основе лежат 10 log мощности источника звука w и интенсивность, соответствующая началу отсчета, т.е. 1012W (lpW). Или: Lw = 10 log (w/10-12) = 10 log w + 120 дБ.
Англо-русский словарь по кондиционированию и вентиляции > sound power level Lw
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122 sound pressure level Lp
уровень звукового давления Lp- определяется как Lp = 20 log p + 94 дБ, где начало отсчета равно 20 мкПа.
Англо-русский словарь по кондиционированию и вентиляции > sound pressure level Lp
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123 sound power level Lw
уровень интенсивности звука Lw- воздушное давление (дБ). В его основе лежат 10 log мощности источника звука w и интенсивность, соответствующая началу отсчета, т.е. 1012W (lpW). Или: Lw = 10 log (w/10-12) = 10 log w + 120 дБ.
English-Russian dictionary of terms for heating, ventilation, air conditioning and cooling air > sound power level Lw
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124 sound pressure level Lp
уровень звукового давления Lp- определяется как Lp = 20 log p + 94 дБ, где начало отсчета равно 20 мкПа.
English-Russian dictionary of terms for heating, ventilation, air conditioning and cooling air > sound pressure level Lp
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125 sound level meter
измеритель уровня звука, шумомерАнгло-русский словарь по проекту Сахалин II > sound level meter
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126 sound level
уровень звукаEnglish-Russian dictionary of labour protection > sound level
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127 sound level measurement
измерение уровня звукаEnglish-Russian dictionary of labour protection > sound level measurement
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128 sound level meter
шумометр, измеритель уровня шумаEnglish-Russian dictionary of labour protection > sound level meter
См. также в других словарях:
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Sound intensity — The sound intensity, I , (acoustic intensity) is defined as the sound power Pac per unit area A . The usual context is the noise measurement of sound intensity in the air at a listener s location. For instantaneous acoustic pressure p inst( t )… … Wikipedia