同轴电缆，一种通常用来联接天线与接收机或发射机的电缆。电缆由中心导体和外层的屏蔽所组成。
COAXIAL cable, an electrical cable usually connecting an antenna with a receiver or transmitter. The cable has an inner conductor and an outer grounded shield.
它利用微带线或者同轴线等馈线馈电，在导体贴片与接地板之间激励起辐射电磁场，并通过贴片四周与接地板之间的缝隙向外辐射。
Microstrip and coaxial-cable are used to feed to the antennas. Electromagnetic field can radiate to space through the patches and the aperture which connect to the ground plane.
小环是由56厘米RG213同轴短路电缆内导体外同轴电缆编织。
The small loop is made on 56 centimeters of RG213 coaxial cable shorting the inner conductor with the outer coaxial braid.
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