Automobile anti-collision radar array antenna and circuit board provided with the array antenna

The invention belongs to the field of radar technology, and discloses an automobile anti-collision radar array antenna, comprising at least one transmitting antenna and at least two receiving antennas, wherein a transmitting array and a transmitting power divider are arranged in the transmitting antenna, and a receiving array and a receiving power divider are arranged in each receiving antenna. The invention further discloses a circuit board provided with the array antenna, comprising the automobile anti-collision radar array antenna, wherein the automobile anti-collision radar array antenna is arranged on a dielectric board. The automobile anti-collision radar array antenna disclosed by the invention is capable of providing a high antenna gain, having no blind zone in beam coverage, and having a wide angle measurement range and a low sidelobe. 本发明属于雷达技术领域，公开了种汽车防碰撞雷达阵列天线，包括至少个发天线及至少两个收天线，所述发天线内设有发送阵列及发送功分器，所述收天线内设有接收阵列及接收功分器；本发明还公开种设有阵列天线的电路板，包括汽车防碰撞雷达阵列天线，汽车防碰撞雷达阵列天线设于介质板。本发明能够提供高的天线增益，波束覆盖无盲区、宽测角范围和低旁瓣。