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Microwave Antenna Components

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Photo Credits to Telecom Hall Forum

Microwave Antenna Components:-

#Frequency:
The frequency of the microwave signals the antenna is designed to transmit or receive, typically specified in gigahertz (GHz).

#Wavelength:
The distance between successive peaks (or troughs) of a wave. In microwave communications, wavelength is inversely proportional to frequency.

#Parabolic Reflector:
A reflector shaped like a parabola that focuses incoming or outgoing microwave signals, enhancing the antenna’s performance.

#Feed System:
The components responsible for generating or receiving microwave signals and directing them toward or away from the reflector. This includes feed horns, dipoles, or waveguides.

#Feed Horn:
A component at the focal point of the reflector that directs microwave signals to or from the reflector.

#Dipole:
A simple antenna consisting of two conductive elements used as part of the feed system in some microwave antennas.

#Dual-Polarization:
An antenna system capable of transmitting or receiving signals with two different polarizations simultaneously, often denoted as vertical and horizontal.

#Polarization:
The orientation of the electric field in a radio wave. Common polarizations include vertical, horizontal, circular, and elliptical.

#Subreflector:
A secondary reflector used in some antenna designs to redirect microwave signals to the primary reflector or feed system.

#Mounting Structure:
The support structure that holds the antenna, including elevation and azimuth adjustments for proper pointing.

#Azimuth:
The horizontal angle of the antenna, specifying its direction with respect to true north.

#Elevation:
The vertical angle of the antenna, specifying its tilt above the horizon.

#Beamwidth:
The angular width of the main lobe of the antenna’s radiation pattern, often specified as the half-power beamwidth (HPBW).

#Gain:
The measure of an antenna’s ability to focus energy in a particular direction compared to an isotropic radiator.

#Antenna Efficiency:
The ratio of the radiated power to the input power, indicating how effectively the antenna converts input power into radiated power.

#Radome:
A protective cover made of dielectric material that shields the antenna from environmental elements without significantly affecting microwave signals.

#Waveguide:
A metal tube that carries microwave signals between the feed system and the transmission line.

#Transmission Line:
A cable or waveguide that connects the antenna to the communication equipment, carrying microwave signals between them.

#Cross-Polarization Isolation:
The measure of the ability of an antenna to isolate signals of one polarization from signals of the orthogonal (cross) polarization.

#Side Lobes:
Secondary lobes in an antenna’s radiation pattern, outside the main lobe, that can contribute to interference.

Disclaimer – This post has only been shared for an educational and knowledge-sharing purpose related to Technologies. Information was obtained from the source above source. All rights and credits are reserved for the respective owner(s).

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Source: LinkedIn

Credits: Mr. Ashutosh Kumar

LinkedIn Case Study | TMF Group

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