DEVICE AND METHOD FOR POLARIZATION CONTROL FOR A PHASED ARRAY ANTENNA
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Abstract
A method of configuring a phased array antenna having a plurality of radiators, each said radiator elements capable of radiating or receiving signals in one of two orthogonal polarizations determined to achieve a pseudo-random mix of horizontally and vertically polarized radiators. Upon switching of each of the radiator elements to a calculated one of said two polarizations, a desired slant angle for the antenna is achieved.
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Citations
12 Claims
- 1. (canceled)
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2. A method of controlling the polarization of a phased array antenna having a plurality of individual radiator elements, each of which is capable of radiating and receiving signals in one of two orthogonal, switch-selected polarizations, to yield a desired polarization in said antenna with any desired slant angle, comprising the steps of:
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determining a desired polarization slant angle for said phased array antenna for communication with an orbiting satellite from a terrestrial location; employing a polarization assignment algorithm to calculate a population ratio of said plurality of radiator elements between two orthogonal polarizations to ascertain a determined polarization state, from said two orthogonal polarizations, for each said plurality of radiator elements, to achieve said population ratio; and switching each respective said radiator element, to said determined polarization state, to yield said population ratio, whereby the desired slant angle is achieved in said phased array antenna. - View Dependent Claims (3, 4, 5, 6, 7, 9, 10, 11, 12)
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Specification