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Purpose of Antenna
The antenna converts electrical energy into radio waves to enable communication between two points. These usually are radio receivers and transmitters that are critically needed because no radio device will operate without them. Antennas can be very simple. It all depends on the application that it is being used for. These antennas start working when some radio waves travel to the antenna and cause the electrons to vibrate inside it. This leads to creating an electric current that resembles the original signal.
Transmission
In radio engineering, the antenna is known as interference between radio waves arising through space and electric currents moving in conductors with the help of transmitters and receivers. In the transmission process, the electric current is supplied to the antenna through the transmitters, and the antenna will radiate energy from that current provided as radio waves.
Reception
In the reception process, the antenna will intercept some of the power from the electromagnetic waves to create electric currents at the terminals of the antennas. The current produced at the terminals is applied to the receiver to be amplified. In all radio equipment, antennas are an essential part.
Omnidirectional Antenna
Omnidirectional antennas radiate radio power in the same direction perpendicular to an axis, with varying power angles to the axis, and declining to zero on that axis.
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