超宽带穿墙成像雷达作为一种能够隔墙探测和定位的新型雷达系统，在很多领域得到应用。穿墙成像雷达有非相干方法和相干方法两种成像方法。本文采用一发二收的天线组合形式，用非相关成像方法，研究了在无墙体和有墙体两种情况下目标的定位，分析了雷达的方位向分辨率,并通过二维FDTD仿真验证了目标定位方法。

Ultra-wideband (UWB) through-wall imaging radar is a promising technique and can be widely used for detecting and locating moving people through obstacles. Through-wall imaging radar employs coherent and non-coherent imaging techniques. In this paper we focus on a one-transmitter two-receiver non-coherent radar system. Analytical formulations of the target localization are given under the condition of both the absence of the wall and the presence of the wall. This paper also provides the cross-range resolution analysis and the supporting FDTD simulation results.