Deterministic thinned aperture phased antenna array

Details Deterministic thinned aperture phased antenna array Deterministic thinned aperture phased antenna array

1987-06-08

1989-01-10

Sikes, William L.

Communications: radio wave antennas

Antennas

Plural antennas spaced a fractional or full wave length apart

343770, 343777, 343853, H01Q 2100

Patent

active

047976829

ABSTRACT:
A phased array antenna (10) includes a plurality of radiating elements (14) arranged in concentric rings (11, 12) to form a deterministically thinned antenna aperture which facilitates heat removal from the array, while minimizing side lobe signals and thereby increasing directively of the antenna for a preselected antenna gain. The radiating elements (14) in any one of the rings (11, 12) are the same radiating size, and the spacing (L, L') between elements in the same ring and between elements in adjacent rings (S, S') is determined by the number of elements in each ring. The rings may be any of several shapes, including circular or polygonal.

REFERENCES:
patent: 3553706 (1968-07-01), Charlton
patent: 3811129 (1974-05-01), Holst
patent: 4352110 (1982-09-01), Braak
patent: 4617573 (1986-10-01), Davidson
Collins, Robert E. and Francis J. Zucker, Antenna Theory, Part 1, 1969, Chapter 6.
W. T. Patton, "Limited Scan Arrays," Phased Array Antennas, Ed. Oliner and Knittel, Polytechnic Institute of Brooklyn, pp. 332-343.

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