Communications: radio wave antennas – Antennas – With coupling network or impedance in the leadin
Patent
1978-11-14
1980-04-01
Moore, David K.
Communications: radio wave antennas
Antennas
With coupling network or impedance in the leadin
343100LE, 343100SA, 343770, H01Q 326
Patent
active
041964365
ABSTRACT:
This specification discloses an antenna system with a left antenna array having a pair of radiators and a right antenna array having a pair of radiators. The spacing of the radiators is such that one antenna array produces a positive phase backlobe and the other antenna produces a negative phase backlobe. Appropriate processing of the signals from the two antenna arrays permits exclusion of any signal received in the backlobe of the two arrays. The spacing between the radiators in one array is determined by the equation .lambda.(0.25 +x) and the spacing between radiators in the other array is determined by the equation .lambda.(0.25 -x) wherein .lambda. is the wavelength of an electrical signal applied to the antenna system and x is the radiator spacing differential in wavelengths.
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Abolins Peter
Ford Motor Company
Moore David K.
Sadler Clifford L.
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