sound propagation distance

См. также в других словарях:

• 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

• Sound speed gradient — In acoustics, the sound speed gradient is the rate of change of the speed of sound with distance, for example with depth in the ocean,cite book title=Navy Supplement to the DOD Dictionary of Military and Associated Terms month=August year=2006… …   Wikipedia

• Speed of sound — Sound is a vibration that travels through an elastic medium as a wave. The speed of sound describes how much distance such a wave travels in a certain amount of time. In SI Units with dry air at 20 °C (68 °F), the speed of sound is 343 m/s. This… …   Wikipedia

• Sound from ultrasound — Contents 1 Parametric array 2 Applications 2.1 Commercial advertising …   Wikipedia

• Distance la plus lointaine des sonars — Sonar Pour les articles homonymes, voir Sonar (homonymie). Un sonar (acronyme de sound navigation and ranging) est un appareil, utilisant les propriétés particulières de la propagation du son dans l eau pour détecter et situer les objets sous l… …   Wikipédia en Français

• musical sound — Introduction       any tone with characteristics such as controlled pitch and timbre. The sounds are produced by instruments in which the periodic vibrations can be controlled by the performer.       That some sounds are intrinsically musical,… …   Universalium

• Line-of-sight propagation — refers to electro magnetic radiation including light emissions traveling in a straight line. The rays or waves are diffracted, refracted, reflected, or absorbed by atmosphere and obstructions with material and generally cannot travel over the… …   Wikipedia

• Non-line-of-sight propagation — Non line of sight (NLOS) or near line of sight is a term used to describe radio transmission across a path that is partially obstructed, usually by a physical object in the innermost Fresnel zone. Many types of radio transmissions depend, to… …   Wikipedia

• Interference (wave propagation) — Two point interference in a ripple tank. In physics, interference is the phenomenon in which two waves superpose each other to form a resultant wave of greater or lower amplitude. Interference usually refers to the interaction of waves that are… …   Wikipedia

• длина пути распространения звука от воздушного судна — Расстояние oт местоположения воздушного судна в момент излучения регистрируемого шума до точки измерения шума. [ГОСТ 26120 84] Тематики акустика авиационная Обобщающие термины сертификация воздушного судна по шуму EN sound propagation distance… …   Справочник технического переводчика