Field compatible ESA calibration method

Details Field compatible ESA calibration method Field compatible ESA calibration method

2011-03-29

2011-03-29

Tarcza, Thomas H (Department: 3662)

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

Directive

Including a steerable array

Reexamination Certificate

active

07916082

ABSTRACT:
A method may include cycling a first beam steering control antenna element of an electronically scanned antenna (ESA) array through a first portion of beam steering control states for the first beam steering control antenna element. The first beam steering control antenna element is probed while cycling the first beam steering control antenna element through the first portion of beam steering control states. A first amplitude and a first phase for energy coupled from the ESA array to a probe are recorded for each one of the first portion of beam steering control states. The recorded first amplitude and the recorded first phase are separated into a first component and a second component. The phase of the first beam steering control antenna element is determined utilizing the first component and the second component.

REFERENCES:
patent: 5721554 (1998-02-01), Hall et al.
patent: 6771216 (2004-08-01), Patel et al.
patent: 7327313 (2008-02-01), Hemmi et al.
patent: 2009/0066727 (2009-03-01), Lu et al.

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