Digital bearing indicator

Details Digital bearing indicator Digital bearing indicator

G - Physics

01

S

343/107, 343/112

G01S 3/02 (2006.01) G01S 3/48 (2006.01) H01Q 13/08 (2006.01) H01Q 21/20 (2006.01)

Patent

CA 1135385

Abstract of the Disclosure Apparatus for digitally indicating the bearing angle of a source of microwave energy includes an antenna array of a plurality of antenna elements equispaced about an arc of a circle in a plane. Connected to each of the antenna elements is a different input port of a microwave power dividing and phase transforming hybrid matrix. Some of the output ports of the matrix are connected to input ports of a plurality of digital phase discriminators whose outputs emit a coded combination of binary level signals. The outputs of the phase discrimi- nators are connected to an ambiguity resolving means which transforms the binary level signals to an unambiguous digital word representing the bearing angle.

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