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单词 θ197861
释义
society > communication > telecommunication > radio communications > radio equipment > [noun] > aerial > assembly of specific aerials (7)
array1919

An assembly of directional radio aerials. See aerial, adj. 5, beam, n.1 24.

broadside array1932

an aerial array having its directional effect perpendicular to the elements of the array.

musa1937

A radio aerial consisting of a number of rhombic elements in an end-fire array, giving a beam that can be varied in direction by varying the phase…

phased array1938

an array of (esp. radar) antennas that can be made to transmit or receive at a variable angle by delaying the signals to or from each one by an…

mattress1947

Radio. = billboard, n. 2. rare.

mattress array1947

= billboard, n. 2.

billboard1950

An aerial array resembling a billboard in appearance, consisting of a number of dipoles mounted in front of a large vertical metal reflector…

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