Distributed beam steering computer

Details Distributed beam steering computer Distributed beam steering computer

H - Electricity

04

B

343/2

H04B 7/00 (2006.01) H01Q 3/36 (2006.01)

Patent

CA 1182888

DISTRIBUTED BEAM STEERING COMPUTER 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 micro- computer 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 micro- computer 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.

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