Antenna apparatus for bearing angle determination

Details Antenna apparatus for bearing angle determination Antenna apparatus for bearing angle determination

1978-10-05

1980-06-24

Moore, David K.

Communications: radio wave antennas

Antennas

With coupling network or impedance in the leadin

343754, 343909, H01P 118

Patent

active

042097916

ABSTRACT:
Antenna apparatus for representing a bearing angle includes an antenna array of N antenna elements equispaced around the arc of a circle of at least 90.degree., and preferably greater than 180.degree. in a plane for receiving microwave energy, microwave power dividing and phase transforming matrix having N input ports respectively connected to the antenna elements and a set of output ports connected to a utilization device for indicating the bearing angle of the incoming microwave energy, and a utilization device including means for measuring the phase difference between signals at pairs of the output ports for representing the bearing angle.

REFERENCES:
patent: 3500412 (1970-03-01), Trigon
patent: 4127857 (1978-11-01), Capps et al.

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