acoustic aperture


acoustic aperture
акустическая апертура

English-russian dictionary of physics. 2013.

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  • Acoustic Doppler Current Profiler — Head of an ADCP with the four transducers ADCP view ahead, mo …   Wikipedia

  • aperture — 1. An inlet or entrance to a cavity or channel. in anatomy, an open gap or hole. SEE ALSO: fossa, ostium, orifice, pore. 2. The diameter of the objective of a microscope. SYN …   Medical dictionary

  • Ocean acoustic tomography — The western North Atlantic showing the locations of two experiments that employed ocean acoustic tomography. AMODE, the Acoustic Mid Ocean Dynamics Experiment (1990 1), was designed to study ocean dynamics in an area away from the Gulf Stream,… …   Wikipedia

  • Underwater acoustic communication — is a technique of sending and receiving message below water. There are several ways of doing such communication but the most common is using hydrophones. Under water communication is difficult due to factors like multi path propagation, time… …   Wikipedia

  • Synthetic aperture sonar — (SAS) is a form of sonar in which sophisticated post processing of sonar data are used in ways closely analogous to synthetic aperture radar. Synthetic aperture sonars combine a number of acoustic pings to form an image with much higher… …   Wikipedia

  • Synthetic Aperture Radar — Radaraufnahme (SIR C/X SAR) des Vulkans Teide auf Teneriffa aus dem Space Shuttle Endeavour Ein Synthetic Aperture Radar (Abkürzung: SAR; deutsch etwa: „Radar mit synthetischer Apertur“) gehört zur Klasse der abbildenden Radare und wird als… …   Deutsch Wikipedia

  • pore — 1. An opening, hole, perforation, or foramen. A p., meatus, or foramen. SEE ALSO: opening. 2. SYN: sweat p.. SEE ALSO: opening, meatus, foramen. [G. poros, passageway] alveolar pores openings in the …   Medical dictionary

  • Geophysical MASINT — is a branch of Measurement and Signature Intelligence (MASINT) that involves phenomena transmitted through the earth (ground, water, atmosphere) and manmade structures including emitted or reflected sounds, pressure waves, vibrations, and… …   Wikipedia

  • Sonar — This article is about underwater sound propagation. For atmospheric sounding, see SODAR. For other uses, see Sonar (disambiguation) …   Wikipedia

  • microscope — /muy kreuh skohp /, n. 1. an optical instrument having a magnifying lens or a combination of lenses for inspecting objects too small to be seen or too small to be seen distinctly and in detail by the unaided eye. 2. (cap.) Astron. the… …   Universalium

  • Foramen — A natural opening. Although a foramen is usually through bone, it can be an opening through other types of tissue, as with the foramen ovale. * * * An aperture or perforation through a bone or a membranous structure. SYN: trema (1). [L. an… …   Medical dictionary