Design of X-band all Metal Transmit Array

In this paper, a design scheme of X-band all-metal transmission array antenna is proposed. The core structure of the antenna basic unit is two symmetrical U-shaped grooves on the metal plate, the length of which is used to control the phase transition of the structural unit. Simulation calculations show that the transmission array antenna has good performance, the maximum gain at 9GHz is 26 dBi, the aperture efficiency reaches 46.5%, the 3dB bandwidth is 8.1GHz~10GHz, and the relative bandwidth is 20.9%.