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average sound pressure

См. также в других словарях:

  • 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

  • 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 — noun Date: 1893 the difference between the actual pressure at any point in the field of a sound wave at any instant and the average pressure at that point …   New Collegiate Dictionary

  • Sound power level — or acoustic power level is a logarithmic measure of the sound power in comparison to a specified reference level.The sound power level of a signal with sound power W is [ [http://hep.physics.indiana.edu/ rickv/Sound intensity.html Sound Power,… …   Wikipedia

  • 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 — This article is about audible acoustic waves. For other uses, see Sound (disambiguation). In a drum sound is produ …   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

  • 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 level meter — Type 1 Sound Level Meter (Shown: Svantek 979) Sound level meters measure sound pressure level and are commonly used in noise pollution studies for the quantification of almost any noise, but especially for industrial, environmental and aircraft… …   Wikipedia

  • Sound energy flux — The sound energy q results from the integral particle velocity v of the surface A , whereby only the portions perpendicularly to the surface acoustic velocity are important.:q = int overrightarrow{v} , overrightarrow{mathrm{d}A}The sound energy… …   Wikipedia

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