fan beam

См. также в других словарях:

• fan beam — A fan shaped radar beam, broad in the vertical plane and narrow in the horizontal plane. A fan beam allows only the measurement of the azimuth angle. Typically, a fan beam in aircraft surveillance radar is 1° to 2° in azimuth and 20° to 40°, or… …   Aviation dictionary

• Fan-beam antenna — A fan beam antenna is a directional antenna producing a main beam having a narrow beamwidth in one dimension and a wider beamwidth in the other dimension. This pattern will be achieved by a truncated paraboloid reflector or a circular paraboloid… …   Wikipedia

• Fan Ye (gymnast) — Infobox Gymnast gymnastname= Fan Ye imagesize = 150px caption= fullname= altname= nickname= country=CHN formercountry= birthdate= birth date and age|1986|10|23 birthplace=Baoding hometown= residence= deathdate= deathplace= height= discipline=WAG… …   Wikipedia

• beam — Synonyms and related words: AM signal, CRT spot, DM display, Doppler signal, FM signal, H beam, I beam, IF signal, IF video signal, IM display, RF amplifier, RF echoes, RF signal, RF stage, TV band, X ray, abutment, actinic ray, actinism,… …   Moby Thesaurus

• fan fiction — n. Fictional, often pornographic, stories created by fans of movies (particularly Star Trek and Star Wars) and TV shows (such as the X Files). Example Citation: If you ever wondered what Chewbacca and Han Solo really did together, all those… …   New words

• fan marker — noun : a radio beacon located near an airport and on a radio range that transmits a vertical fan shaped beam with distinctive code signal usually crossing one leg of the range station as an aid to landing compare radio marker …   Useful english dictionary

• Cone beam reconstruction — For microtomography, X ray scanners typically use two methods for scanning: Fan beam reconstruction Cone beam reconstruction. Cone beam set up Cone beam reconstruction uses a 2 dimensional approach for obtaining projection data. Instead of… …   Wikipedia

• radar beam — A beam of focused electromagnetic energy radiated by radar. It is akin to a searchlight beam, although not in the visible spectrum. See fan beam …   Aviation dictionary

• Chilled beam — A chilled beam is a type of convection HVAC system designed to heat or cool large buildings.[1] Pipes of water are passed through a beam (a heat exchanger) suspended a short distance from the ceiling of a room.[2] As the beam chills the air… …   Wikipedia

• H. Beam Piper — Henry Beam Piper (March 23, 1904 – c. November 6, 1964) was an American science fiction author. He wrote many short stories and several novels. He is best known for his extensive Terro Human Future History series of stories and a shorter series… …   Wikipedia

• Laser beam profiler — A laser beam profiler captures, displays, and records the spatial intensity profile of a laser beam at a particular plane transverse to the beam propagation path. Since there are many types of lasers ultraviolet, visible, infrared, continuous… …   Wikipedia