Monopulse cavity-backed multipole antenna system

Details Monopulse cavity-backed multipole antenna system Monopulse cavity-backed multipole antenna system

1984-02-01

1987-03-10

Tubbesing, T. H.

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

Determining direction

Monopulse

343789, 343797, 343816, G01S 1344, H01Q 2126, H01Q 2502

Patent

active

046493913

ABSTRACT:
A cylindrical cavity-backed multipole antenna system for high frequency applications is disclosed. The antenna system comprises a plurality N of planar radiation elements disposed on a dielectric disc mounted on the top surface of a conductive cylindrical cavity and equally spaced about its axis. A network circuit is adapted to introduce, for the system sum signal, progressive phase shifts of 360.degree./N to signals associated with adjacent elements and, for the difference signal, progressive phase shifts of 720.degree./N. The antenna system may be used to both transmit and receive electromagnetic radiation. The antenna sum and difference patterns are substantially symmetric in space about the antenna boresight.

REFERENCES:
patent: 3344425 (1967-09-01), Webb
patent: 3358288 (1967-12-01), Du Bost et al.
patent: 3821740 (1974-06-01), Erlich
patent: 4042935 (1977-08-01), Ajioka
patent: 4081803 (1978-03-01), Dempsey
patent: 4543579 (1985-09-01), Teshirogi
Antenna Engineering Handbook, 2ed., 1984, chapter 4, 7 and 14. R. C. Johnson and H. Jasik.
Reference Data for Radio Engineers, ITT, 1975, pp. 27-1 through 27-9 and pp. 27-17 through 27-19.

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