- Perceived Noise Decibels
- Aeronautics: PNdB
Универсальный русско-английский словарь. Академик.ру. 2011.
Perceived Noise Decibels
Смотреть что такое "Perceived Noise Decibels" в других словарях:
per|ceived noise decibel — «puhr SEEVD», a standard unit for measuring noise as perceived by people, based on the type of sound and its intensity: »Airplane noise is measured in perceived noise decibels (New York Times). Abbr: PNdB or PNdb (no periods) … Useful english dictionary
PNdB — aeronaut. abbr. Perceived Noise Decibels … United dictionary of abbreviations and acronyms
CFM International CFM56 — CFM56 … Wikipedia
EPNDB — Effective Perceived Noise in Decibels Contributor: CASI … NASA Acronyms
EPNdB — aeronaut. abbr. Equivalent Perceived Noise Level, Decibels … United dictionary of abbreviations and acronyms
sound — sound1 soundable, adj. /sownd/, n. 1. the sensation produced by stimulation of the organs of hearing by vibrations transmitted through the air or other medium. 2. mechanical vibrations transmitted through an elastic medium, traveling in air at a… … Universalium
Sound — /sownd/, n. The, a strait between SW Sweden and Zealand, connecting the Kattegat and the Baltic. 87 mi. (140 km) long; 3 30 mi. (5 48 km) wide. Swedish and Danish, Oresund. * * * I Mechanical disturbance that propagates as a longitudinal wave… … Universalium
Auditory masking — occurs when the perception of one sound is affected by the presence of another sound (Gelfand 2004). The term masking is not confined to auditory perception as it can also be used in visual perception tasks.Masking can be simultaneous or non… … Wikipedia
Hearing impairment — See also: Deaf culture for the social movement.. Deaf and/or hard of hearing Classification and external resources The International Symbol for Deafness … Wikipedia
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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
