Modular constrained feed for low sidelobe array

Details Modular constrained feed for low sidelobe array Modular constrained feed for low sidelobe array

1984-05-16

1993-06-01

Sotomayor, John B.

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

Directive

Including a steerable array

342372, 342373, H01Q 336, H01Q 340

Patent

active

052164284

ABSTRACT:
A modular feed system for a phased array antenna is disclosed. Several contiguous radiative elements in a row (or column) are grouped together by a module network to form a linear array module having two inputs. Excitation of one input produces a constant even distribution at the module output, while excitation of the second input produces a linear odd distribution. The module is adapted to approximate both the average value as well as average slope of a segment of an ideal linear array distribution. A network interconnects a plurality of modules to provide independent sum and difference distributions producing low array pattern sidelobes.

REFERENCES:
patent: 3568207 (1971-03-01), Boyns et al.
patent: 3803624 (1974-04-01), Kinsey
patent: 3916417 (1975-10-01), Wong et al.
patent: 4228436 (1980-10-01), DuFort
patent: 4246585 (1981-01-01), Mailloux
patent: 4499471 (1985-02-01), Luh
patent: 4503434 (1985-03-01), Luh
patent: 4766437 (1988-08-01), Schmidt et al.
patent: 4849763 (1989-07-01), DuFort

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