horn aperture


horn aperture
раскрыв рупора

English-Russian dictionary of telecommunications. 2015.

Смотреть что такое "horn aperture" в других словарях:

  • Horn antenna — Pyramidal microwave horn antenna, with a bandwidth of 0.8 to 18 GHz. A coaxial cable feedline attaches to the connector visible at top. This type is called a ridged horn; the curving fins visible inside the mouth of the horn increase the antenna… …   Wikipedia

  • Horn Antenna — Infobox nrhp name =Horn Antenna nrhp type = nhl caption = location= Holmdel, New Jersey USA lat degrees = 40 lat minutes = 23 lat seconds = 29.43 lat direction = N long degrees = 74 long minutes = 11 long seconds = 6.91 long direction = W… …   Wikipedia

  • Horn (instrument) — Corno redirects here. For the river, see Corno (river). French horn redirects here. For the luxury hotel and restaurant, see French Horn, Sonning Eye. Horn Horn Brass instrument Other names …   Wikipedia

  • Horn (telecommunications) — In telecommunications, the term horn has the following meanings:* In radio transmission, an open ended waveguide, of increasing cross sectional area, which radiates directly in a desired direction or feeds a reflector that forms a desired beam.… …   Wikipedia

  • horn — i. An antenna shaped like a horn. Radar waves are radiated directly into space without benefit of a reflector. A horn is usually designed as an extension of a waveguide whose sides flare from the original waveguide size to a larger aperture size …   Aviation dictionary

  • Horn–Schunck method — The Horn–Schunck method of estimating optical flow is a global method which introduces a global constraint of smoothness to solve the aperture problem (see Lucas–Kanade method for further description).A global energy function is sought to be… …   Wikipedia

  • Steam whistle — A steam whistle is a device used to produce sound with the aid of live steam. Unlike a horn, the sounding mechanism of a whistle contains no moving parts (compare to train horn).The whistle consists of the following main parts, as seen on the… …   Wikipedia

  • Parabolic antenna — A parabolic satellite communications antenna at Erdfunkstelle Raisting, the biggest facility for satellite communication in the world, in Raisting, Bavaria, Germany. It has a Cassegrain type feed. A parabolic antenna is an antenna that uses a… …   Wikipedia

  • Antenna (radio) — Whip antenna on car …   Wikipedia

  • Embouchure — The embouchure is the use of facial muscles and the shaping of the lips to the mouthpiece of a wind instrument.The word is of French origin and is related to the root bouche (fr.), mouth .The proper embouchure allows the instrumentalist to play… …   Wikipedia

  • motion-picture technology — Introduction       the means for the production and showing of motion pictures. It includes not only the motion picture camera and projector but also such technologies as those involved in recording sound, in editing both picture and sound, in… …   Universalium

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