instantaneous sound pressure level

См. также в других словарях:

• instantaneous sound pressure — noun the difference between the instantaneous pressure at a point in a sound field and the average pressure at that point • Syn: ↑sound pressure • Hypernyms: ↑pressure, ↑pressure level, ↑force per unit area * * * Physics. See sound pressure ( …   Useful english dictionary

• Sound pressure — Sound measurements Sound pressure p, SPL Particle velocity v, SVL Particle displacement ξ Sound intensity I, SIL Sound power Pac Sound power level SWL Sound energy Sound energy d …   Wikipedia

• sound pressure — noun the difference between the instantaneous pressure at a point in a sound field and the average pressure at that point • Syn: ↑instantaneous sound pressure • Hypernyms: ↑pressure, ↑pressure level, ↑force per unit area …   Useful english dictionary

• pressure level — noun the force applied to a unit area of surface; measured in pascals (SI unit) or in dynes (cgs unit) the compressed gas exerts an increased pressure • Syn: ↑pressure, ↑force per unit area • Derivationally related forms: ↑press ( …   Useful english dictionary

• Pressure measurement — The construction of a bourdon tube gauge, construction elements are made of brass Many techniques have been developed for the measurement of pressure and vacuum. Instruments used to measure pressure are called pressure gauges or vacuum gauges. A… …   Wikipedia

• Sound localization — refers to a listener s ability to identify the location or origin of a detected sound in direction and distance. It may also refer to the methods in acoustical engineering to simulate the placement of an auditory cue in a virtual 3D space (see… …   Wikipedia

• Sound energy density — The sound energy density or sound density (symbol E or w ) is an adequate measure to describe the sound field at a given point as a sound energy value. The letter lower case w sign w is easily mixed with the sign omega (omega), therefore we… …   Wikipedia

• 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

• Blood pressure — For information about high blood pressure, see Hypertension. Blood pressure Diagnostics A sphygmomanometer, a device used for measuring arterial pressure. MeSH …   Wikipedia

• ГОСТ Р 53567-2009: Акустика. Методы описания и измерения единичного импульса или последовательностей импульсов — Терминология ГОСТ Р 53567 2009: Акустика. Методы описания и измерения единичного импульса или последовательностей импульсов оригинал документа: 3.1.2 В длительность импульса (В длительность) (B duration), с: Суммарное время, в течение которого… …   Словарь-справочник терминов нормативно-технической документации

• мгновенный уровень звукового давления — 3.1.7 мгновенный уровень звукового давления (instantaneous sound pressure level), дБ: Величина, равная десяти десятичным логарифмам квадрата отношения мгновенного звукового давления к опорному звуковому давлению. Примечания 1 Опорное звуковое… …   Словарь-справочник терминов нормативно-технической документации