高距离分辨率雷达目标回波表现为距离扩展目标的形式,距离扩展目标检测技术是目前雷达信号处理领域的一个热门和难点问题。本文对这一技术的发展过程、研究现状及最新研究进展进行了较为全面的综述,主要从高斯背景、部分均匀环境及非高斯背景出发,对这一技术进行了介绍。最后对距离扩展目标检测方法做了总结,并对有待进一步研究和完善的问题进行了展望。
The high range resolution radar echo is modeled as a range-spread target.Moreover,the range-spread target detection is a difficult and crucial problem in the radar signal processing community.The status and development of this problem are reviewed and summarized in terms of Gaussian background,partially homogeneous environment and non-Gaussian background.Finally,the future direction of research and development is viewed.