Antenna apparatus for bearing angle determination
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United States of America Patent
Stats
-
Jun 24, 1980
Grant Date -
N/A
app pub date -
Oct 5, 1978
filing date -
Oct 5, 1978
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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