Antenna device having low side-lobe characteristics

Details Antenna device having low side-lobe characteristics Antenna device having low side-lobe characteristics

1993-07-19

1994-09-06

Blum, Theodore M.

Communications: directive radio wave systems and devices (e.g.,

Directive

Including a steerable array

342371, 342372, H01Q 322, H01Q 324

Patent

active

053452461

ABSTRACT:
There is disclosed an antenna device having low side-lobe characteristics comprising a pair of array antennas having the same construction. Each array antenna has array elements equidistantly arranged. The center-to-center distance between the array antennas is so determined that the angle of the first zero point of the array factor determined by the center-to-center distance equals the angle of the first side lobe point of the pattern of each array antenna. The array antennas are electrically connected so as to become excited in phase.

REFERENCES:
patent: 3811129 (1974-05-01), Holst
patent: 4228436 (1980-10-01), Dufort
patent: 4257050 (1981-03-01), Ploussios
patent: 4580141 (1986-04-01), Gutleber
Proceedings of the IEEE Proceedings Letters, vol. 66, No. 3, Mar. 1978, New York pp. 347-349, Vishwani D. Agrawal "Grating-Lobe Suppression in Phased Arrays by Subarray Rotation".

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