acoustical efficiency

акустичен коефициент на полезно действие

English-Bulgarian polytechnical dictionary . 2013.

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  • акустическая эффективность — 3.2 акустическая эффективность (заглушающая способность) (insertion loss): Алгебраическая разность в децибелах между уровнем звукового давления третьоктавной полосы, измеренным микрофоном акустического измерителя в определенном звуковом поле и… …   Словарь-справочник терминов нормативно-технической документации

  • ГОСТ Р 53571-2009: Акустика. Шум, производимый на стрельбищах. Часть 2. Определение акустических характеристик дульной волны и звука пули путем расчета — Терминология ГОСТ Р 53571 2009: Акустика. Шум, производимый на стрельбищах. Часть 2. Определение акустических характеристик дульной волны и звука пули путем расчета оригинал документа: 3.4.3 акустическая эффективность sас (acoustical efficiency) …   Словарь-справочник терминов нормативно-технической документации

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