测量目标高度的双基地MIMO雷达虚拟阵元技术

Target altitude measurement of bistatic MIMO radar using the virtual elements technique

提出了一种通过双基地多输入多输出雷达虚拟阵元技术进行目标高度测量的方法.该方法在接收端估计目标相对于发射阵列和接收阵列的角度,然后利用获得的角度进行目标高度测量.与传统的双基地雷达测高方法不同,该方法既不需要发射端和接收端之间的时间同步,也不需要在收发两端之间传输数据,从而简化了系统的配置.另外,在多目标情况下,该方法估计的角度能够自动配对,从而避免了目标模糊.

A target altitude measurement method using the virtual elements technique of bistatic multiple-input multiple-output（MIMO） radars is proposed.The method carries out altitude measurement by estimating the angles of targets with respect to the transmitting and receiving arrays.Different from the conventional altitude measurement method of bistatic radars,the proposed method requires neither time synchronization nor communication between transmitting and receiving ends.Hence,the proposal simplifies the configuration of the system.In addition,the angles can be paired automatically when multiple targets exist,and then target ghosts are avoided.Finally,computer simulations validate the proposed method.