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Introduction To Antennas
Nov 19, 2016

Antenna (antenna) is a converter of guided wave propagation on a transmission line, transformed into an unbounded medium (usually a free space) in the propagation of electromagnetic waves, transformation or vice versa. Radio equipment used to transmit or receive electromagnetic waves in parts. Radio communication, radio, television, radar, navigation, electronic countermeasures, such as remote sensing and radio astronomy engineering system uses electromagnetic waves to transmit information, rely on an antenna to work. In addition, in terms of using electromagnetic waves transfer energy and non-energy radiation of signals need antennas. Antennas are reversible, the same antenna is used for transmitting antenna, can also be used as the receiving antenna. Basic parameters of lines as transmitting or receiving on the same day is the same.

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