| 摘要 |
An array antenna comprising a first metal layer, a first dielectric layer, a second metal layer, a second dielectric layer, and a third metal layer, all stacked in sequence; the second dielectric layer being provided with a plurality of metal through-holes, the plurality of metal through-holes forming a feed region; the first metal layer comprising a plurality of subarrays, each subarray comprising a plurality of radiating arrays and a power divider, the power divider comprising a central region and a plurality of branches extending from the central region; the radiating arrays being connected to the ends of the plurality of branches away from the central region; the second metal layer being provided with a plurality of coupling grooves, and the plurality of coupling grooves facing the central region; the feed region being used for feeding a signal; the signal passing through a plurality of coupling grooves and being transmitted to the central region of said power divider, then passing through the plurality of branches and said signal being transmitted to the radiating arrays. By means of the parallel transport architecture formed by the plurality of radiating arrays of the subarrays and the power divider, the present invention increases antenna bandwidth and provides a high-gain wideband compact planar millimeter wave array antenna. |
