Communications: radio wave antennas – Antennas – Balanced doublet - centerfed
Patent
1978-06-22
1980-08-05
Blum, Theodore M.
Communications: radio wave antennas
Antennas
Balanced doublet - centerfed
343854, H04B 700
Patent
active
042164753
ABSTRACT:
A method and apparatus for forming a set of simultaneous multiple antenna beams. The digital technique utilizes a Fermat Number Transform (FNT) processor which takes the transform of number sequences consisting of the output signals from the elements of a preferably circular, equiangularly spaced antenna array, then forms the complex linear vector product of the transformed signals and a stored beam-forming function, and finally processes the complex linear vector product through an inverse FNT network to generate a set of simultaneous multiple antenna beams. The advantages of utilizing the FNT include reduced hardware requirements, greater processing speed due to a reduction in multiplications required to be performed, and sharper output beams due to the absence in the FNT of round-off errors.
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Blum Theodore M.
Edelberg Nathan
Elbaum Saul
Gibson Robert P.
The United States of America as represented by the Secretary of
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