PARTLY INTERLEAVED PHASED ARRAYS WITH DIFFERENT ANTENNA ELEMENTS IN CENTRAL AND OUTER REGION

摘要

The present invention relates to an antenna comprising a first antenna array. The first antenna array comprises one or more antenna elements of a first antenna element type in a first region of the antenna array, and a plurality of antenna elements of a second antenna element type in a second region of the antenna array. In one embodiment, the first region of the first antenna array is a central region, and the second region of the first antenna array is a region outside of the central region. In one embodiment, the first antenna array comprises a spacecraft antenna mounted on a spacecraft bus. In another embodiment, the first antenna array comprises a deployed antenna array on a spacecraft.