Efficient target identification for MIMO high-resolution imaging radar via plane-rotation-invariant feature

Target identification has been an active researching area in past decades. In this paper, we present an identification method based on the high-resolution image from a narrowband multiple-input multiple-output (NMIMO) imaging radar system. Different from the traditional image-based method, the key idea of the proposed method is to build the plane-rotation-invariance features of a candidate target with its location parameters of 2-D scatterers, regardless of the amplitude information of a 2-D scatterer. Numerical examples are presented for testing our method.