atmospheric acoustics

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• atmospheric acoustics — atmosferos akustika statusas T sritis fizika atitikmenys: angl. atmospheric acoustics vok. Akustik der Atmosphäre, f rus. атмосферная акустика, f pranc. acoustique atmosphérique, f …   Fizikos terminų žodynas

• Atmospheric diffraction — is manifested in the following principal ways:* Fourier optics is the bending of light rays in the atmosphere, which results in remarkable visual displays of astronomical objects, such as depictions on this page.* Radio wave diffraction is the… …   Wikipedia

• acoustics — /euh kooh stiks/, n. 1. (used with a sing. v.) Physics. the branch of physics that deals with sound and sound waves. 2. (used with a pl. v.) the qualities or characteristics of a room, auditorium, stadium, etc., that determine the audibility or… …   Universalium

• Underwater acoustics — The field of underwater acoustics is closely related to a number of other fields of acoustic study, including sonar, transduction, acoustic signal processing, acoustical oceanography, bioacoustics, and physical acoustics.HistoryUnderwater sound… …   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

• Infrasound — is sound with a frequency too low to be heard by the human ear. The study of such sound waves is sometimes referred to as infrasonics, covering sounds beneath the lowest limits of human hearing (20 hertz) down to 0.001 hertz. This frequency range …   Wikipedia

• Lapse rate — The lapse rate is defined as the rate of decrease with height for an atmospheric variable. The variable involved is temperature unless specified otherwise.[1][2] The terminology arises from the word lapse in the sense of a decrease or decline;… …   Wikipedia

• 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

• Acoustic impedance — The acoustic impedance Z (or sound impedance) is a frequency f dependent parameter and is very useful, for example, for describing the behaviour of musical wind instruments. Mathematically, it is the sound pressure p divided by the particle… …   Wikipedia

• Akustik der Atmosphäre — atmosferos akustika statusas T sritis fizika atitikmenys: angl. atmospheric acoustics vok. Akustik der Atmosphäre, f rus. атмосферная акустика, f pranc. acoustique atmosphérique, f …   Fizikos terminų žodynas

• acoustique atmosphérique — atmosferos akustika statusas T sritis fizika atitikmenys: angl. atmospheric acoustics vok. Akustik der Atmosphäre, f rus. атмосферная акустика, f pranc. acoustique atmosphérique, f …   Fizikos terminų žodynas