H - Electricity – 01 – Q
Patent
H - Electricity
01
Q
351/53, 351/59
H01Q 21/22 (2006.01) H01Q 3/26 (2006.01)
Patent
CA 1185365
- 18 - PHASED ARRAY ANTENNA EMPLOYING LINEAR SCAN FOR WIDE ANGLE ORBITAL ARC COVERAGE Abstract The present invention relates to phased array antenna arrangements which comprise a linear array of feed elements where the array has an aperture which is cut at a bias angle along the minor axis of the array to produce a fixed linear phase taper along the minor axis by all elements. Then by linearly scanning the array along the major axis of the aperture of the array, a beam is scanned along an arc which can be made to correspond to an orbital arc segment around a celestial body and within the field of view of the antenna arrangement when the bias angle is properly chosen. The feed elements can comprise long feedhorns or horn antenna configurations which can be used in a separate array or disposed in an array on a conjugate plane of a main cylindrical reflector when used in multiple reflector phased array antenna arrangements.
404034
Amitay Noach
Gans Michael J.
Kirby Eades Gale Baker
Western Electric Company Incorporated
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