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Xiamen Lineyi Electronics Co.,Ltd

Address:701 D2 Bldg., Wanda Plaza No.7 Jinzhong Road, Xiamen, China

Address2:RM 19C LOCKHART CTR 301-307 LOCKHART RD WAN CHAI HONGKONG

phone:+8613599545657

fax:86—592—5174607

E-mail:

jennifer@lineyi.com

jennifer@yexin.net

Website:

www.lineyi.com 

www.yexin.net


How antennas work
Jul 20, 2017

How antennas work
           

An  antenna (All antennas) is a converter that transforms a guided traveling  wave propagating over a transmission line into electromagnetic waves  propagating in an unbounded medium (usually free space), or the searcher  performs the reverse transformation. A component used in radio equipment for transmitting or receiving electromagnetic waves.  Radio communication, radio, television, radar, navigation, electronic  warfare, radio astronomy, remote sensing and other engineering systems  usually use electromagnetic waves to transmit information, rely on to  carry out the work of antenna. In addition, non signal energy radiation is also required for the transmission of energy with electromagnetic waves. The general antenna has reversibility, that is, the same antenna can be used as a transmitting antenna or a receiving antenna. The basic characteristic parameters of the same antenna as transmit or receive are the same. This is the reciprocity theorem of the antenna.


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