In this article, a wideband wide-angle scanning phased array is designed using all-metal Vivaldi antenna with reflective floor and triangular grid as array element. The simulation and test results show that the X-band array with 16 × 16 elements can realize no-gate lobe beam scan of ±60 °on both E and H planes and the maximum gain decrease is 3.4 dBi, and the active VSWR is less than 2.5 in the scanning range.
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