Distributed beam steering computer

Details Distributed beam steering computer Distributed beam steering computer

1981-04-30

1984-04-24

Wilbur, Maynard R.

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

343372, H04B 700

Patent

active

044451199

ABSTRACT:
A distributive beam steering computer network for a radar phased array antenna is disclosed which provides direct drive for individual antenna phase shifter elements using a plurality of microcomputers co-located with each phase shifter. The microcomputers calculate the phase shift based on constants stored in a ROM which is located in each microcomputer and phase shift data comprising sin .alpha., sin .beta., and 1/.lambda. signals are distributed to all microcomputers over a single serial data line. The constants required for each shifter are different, and therefore, the ROM in each microcomputer is programmed for a specific location in an array antenna. A phase shift steering command for each element of the phased array antenna is calculated using a shift-and-add multiplication algorithm which is hard-wired into each microcomputer.

REFERENCES:
patent: 3305867 (1967-02-01), Miccioli et al.
patent: 3560985 (1971-02-01), Lyon
patent: 3680109 (1972-07-01), Steudel
patent: 3683386 (1972-08-01), Leysieffer
patent: 3697994 (1972-10-01), O'Daniel
patent: 3745580 (1973-07-01), Burnham
patent: 3775769 (1973-11-01), Heeren et al.
patent: 4087855 (1978-05-01), Bennett et al.

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