pyramid antenna

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• pyramid — Synonyms and related words: add to, aggrandize, amplify, animal kingdom, antenna tower, anthill, arch, architecture, augment, bank, bank up, barbican, barrow, be caught short, be short, beehive tomb, belfry, bell tower, belong, bone house, boost …   Moby Thesaurus

• 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

• Anechoic chamber — An anechoic chamber An anechoic chamber (an echoic meaning non echoing or echo free) is a room designed to stop reflections of either sound or electromagnetic waves. They are also insulated from exterior sources of noise. The combination of both… …   Wikipedia

• LZ 127 Graf Zeppelin — Infobox Aircraft name=LZ 127 Graf Zeppelin caption= type=Passenger airship national origin=Germany manufacturer=Luftschiffbau Zeppelin designer=Ludwig Dürr first flight=18 September avyear|1928 introduced= retired=18 June avyear|1937… …   Wikipedia

• List of tallest buildings and structures in the world by country — This is a list of the tallest buildings and structures by country. The list directly includes the tallest buildings and structures for each country, and where appropriate, it also points to more detailed country specific… …   Wikipedia

• One Canada Square — A view of One Canada Square, the second tallest building in the United Kingdom. Record height Tallest in the United …   Wikipedia

• Radar — For other uses, see Radar (disambiguation). A long range radar antenna, known as ALTAIR, used to detect and track space objects in conjunction with ABM testing at the Ronald Reagan Test Site on Kwajalein Atoll …   Wikipedia

• History of radar — The history of radar starts with experiments by Heinrich Hertz in the late 19th century that showed that radio waves were reflected by metallic objects. This possibility was suggested in James Clerk Maxwell s seminal work on electromagnetism.… …   Wikipedia

• Список самых высоких зданий США — Города США, в которых имеются высотные здания, превышающие планку в 213 метров …   Википедия

• San Francisco Transbay development — Transbay Transit Center Tower The Transbay Transit Center Tower, the tallest of the towers in the development General information Status Approved …   Wikipedia

• Criticisms of The Da Vinci Code — The Da Vinci Code , a popular suspense novel by Dan Brown, generated a great deal of criticism and controversy after its publication in 2003. Many of the complaints centered on the book s speculations and alleged misrepresentations of core… …   Wikipedia