X-band low-profile wide-shaped antenna

An X-band low-profile wide-shaped antenna comprises a radiation patch, an upper-layer dielectric plate, a slotted metal ground, a lower-layer dielectric plate, a microstrip feeder layer, a metal cavity, a first feed coaxial line and a second feed coaxial line, and the first feed coaxial line and the second feed coaxial line penetrate through the metal cavity. The slotted metal ground is arranged between the upper-layer dielectric plate and the lower-layer dielectric plate, and the microstrip feeder line layer is arranged on the lower surface of the lower-layer dielectric plate and feeds power to the radiation patch in a slot coupling feeding mode; a first feed coaxial line and a second feed coaxial line of an external excitation source pass through the metal cavity and are connected with the microstrip feeder line layer so as to provide feed excitation. The antenna not only solves the problems of high power consumption, high cost and large size of array antenna wide beam forming, but also widens the transvers