Haskins, P M; Dahele, J S(Department of Electronics, March 14, 1996)
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Abstract:
Two three-clement polarisation-agile active microstrip patch
arrays have been developed . The radiating elements are square
patches each with two transistors mounted on adjacent edges. The
patches radiate orthogonal modes , the relative phase of which can
be varied. Radiation patterns show good agreement with
predictions from theory, in both linear and circular polarization,
and no grating lobes were observed