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Knowledge of the antenna reflector surface details

Number of visits: Date:2016-04-11

Antenna reflector antenna surface refers to the electromagnetic waves emitted by a certain feed request to a concentrated reflection direction to enhance the effect of launching a conductive surface or plane, when used for reception, the received signal strength can be enhanced to improve the reception effect, referred to as reflective surfaces.
Reflective surface material may be aluminum, copper, titanium, magnesium, stainless steel, and glass fibers having a metallic coating. Also used an epoxy resin adhesive matrix embedded in the sheet rigidity high strength graphite fiber, the use of different combinations of fiber and coating is obtained for mechanical, electrical characteristics for different purposes. Still close in frequency with copper K-band RF graphite or less reflectance, it needs a highly conductive metal plating film on the higher frequencies, so as not to gain and decreased efficiency. High-strength aluminum sheet and plate glass laying metal mesh are widely used in microwave relay antennas and satellite communication earth station antenna and porous aluminum metal mesh made of aluminum can reduce the pressure to reduce the weight of the antenna, it is widely used in TV One receive earth station. New synthetic materials are mainly used in aerospace communications antenna. On the basis of plastic electroplating, painting, and other methods of metal-clad metal of the antenna can be plastic molding process is simple, inexpensive, suitable for a small antenna.

TypeInfo: Technical Article

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