High resolution scanning reflectarray antenna

Details High resolution scanning reflectarray antenna High resolution scanning reflectarray antenna

1998-04-30

2000-06-27

Wong, Don

Communications: radio wave antennas

Antennas

Microstrip

343909, 333161, 333156, H01P 118, H01Q 1502

Patent

active

060812354

ABSTRACT:
The present invention provides a High Resolution Scanning Reflectarray Antenna (HRSRA) for the purpose of tracking ground terminals and space craft communication applications. The present invention provides an alternative to using gimbaled parabolic dish antennas and direct radiating, phased arrays. When compared to a gimbaled parabolic dish, the HRSRA offers the advantages of vibration free steering without incurring appreciable cost or prime power penalties. In addition, it offers full beam steering at a fraction of the cost of direct radiating arrays and is more efficient.

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