Electronic scanning reflector antenna and method for using same

Details Electronic scanning reflector antenna and method for using same Electronic scanning reflector antenna and method for using same

1997-10-03

2000-07-18

Wong, Don

Communications: radio wave antennas

Antennas

With spaced or external radio wave refractor

343755, 343909, H01Q 1906

Patent

active

060913711

ABSTRACT:
An antenna subsystem (120) which comprises an electronic scanning reflector antenna (400) is used for the formation of single and multiple beams. Reflecting surface (420) is covered with at least one dielectric layer (430) which is used to simultaneously and independently steer multiple beams. Electronic scanning reflector antenna (400) operates similar to a phased array antenna. ESRA (400) comprises a number of independent controllable reflecting surfaces (450) which are combined together in close proximity. Each one of the individual regions is covered by a dielectric layer, and the dielectric constant for each can be independently controlled. Electronic scanning reflector antennas (400, 600) are used in both space-based and terrestrial-based applications. Electronic scanning reflector antennas (400, 600) are used for both transmission and reception of electromagnetic signals.

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