MULTIPLE INTERLEAVED PHASED ANTENNA ARRAY PROVIDING SIMULTANEOUS OPERATION AT TWO FREQUENCIES AND TWO POLARIZATIONS

摘要

A phased array antenna including within its single electromagnetic radiating aperture two or more groups of radiating elements, each group of radiating elements being distinguished by the polarization and frequency spectrum of its radiation. The radiating elements of each group are of sufficiently small physical size compared to their free space wavelength to permit their being interleaved among the radiating elements of the other groups in a configuration whereby each group of radiating elements has approximately the same control of the beamwidth and the steering of its beam of radiation as would be the case if only one of these groups were present.