Fault isolation in a Butler matrix fed circular phased array antenna
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United States of America Patent
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Feb 4, 1992
Grant Date -
N/A
app pub date -
Apr 10, 1991
filing date -
Apr 10, 1991
priority date (Note) -
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Abstract
A method for monitoring a phased array antenna system to determine the existence of faulty components in the system and the location of such components in the system. More particularly, the invention relates to a Butler matrix-fed circular phased array antenna system wherein an individual one of the plurality of columns of the array which is faulty can be identified by comparison of a measured amplitude value to a predetermined level.
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