Radar Target Recognition(RTR)technology is of great significance in the fields of national air defense and strategic early warning,and most of the current research is based on High Resolution Range Profile(HRRP).It is sorted out that the current research mainly focuses on the problems of target recognition in the case of complete samples and small samples,and the research method mainly focuses on three aspects:the recognition methods based on feature extraction,statistical modeling,deep learning,etc.Focusing on the two major problems,the review is carried out from three aspects and summarized.It points out five urgent problems in the current research field,and analyzes the direction that can be considered in the next research.
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