Fault isolation in a Butler matrix fed circular phased array ant

Details Fault isolation in a Butler matrix fed circular phased array ant Fault isolation in a Butler matrix fed circular phased array ant

1991-04-10

1992-02-04

Issing, Gregory C.

Communications: directive radio wave systems and devices (e.g.,

Directive

Including a steerable array

342173, H01Q 322, G01S 740

Patent

active

050863029

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.

REFERENCES:
patent: 4176354 (1979-11-01), Hsiao et al.
patent: 4639732 (1987-01-01), Acoraci et al.

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