基于距离波门交错和多普勒扩频的参数估计方法  

Based on Range Gate Interleaving and Doppler Spread Spectrum Parameter Estimation Method

作　　者：吴生昊 WU Shenghao(Institute of the Third Academy of Astronautics,Beijing 102445,China)

机构地区：[1]航天三院三十五所,北京102445

出　　处：《移动信息》2024年第9期200-203,213,共5页Mobile Information

摘　　要：脉冲多普勒雷达是在动目标显示雷达基础上开发出来的一个全新形式的雷达,它通过目标和雷达的相对运动所形成的多普勒效应实现对目标信息提取与处理,速度分辨率很高,对强杂波具有很强的抑制能力.由于脉冲多普勒雷达所发出的脉冲串带有相参特征,为减少在检测速度上的模糊,因此必须在高重频模式下对目标进行探测,所采用的工作比以往较高,但由于脉冲重复周期小,采用上述方法会产生距离模糊,文中旨在探究新的方法以实现高重频模式下雷达目标探测,提出了基于基于距离波门交错和多普勒扩频的目标参数估计方法.Pulse Doppler radar is a new form of radar developed on the basis of moving target display radar.It extracts and processes target information through the Doppler effect formed by the relative motion between the target and the radar.It has high velocity resolution and strong suppression ability against strong clutter.Due to the coherent characteristics of the pulse train emitted by the pulse Doppler radar,in order to reduce the ambiguity in detection speed,it is necessary to detect the target in high repetition rate mode.The work used is higher than before,but due to the small pulse repetition period,the above method will produce distance ambiguity.This paper aims to explore new methods to achieve radar target detection in high repetition rate mode,and proposes a target parameter estimation method based on range gate interleaving and Doppler spread spectrum.

关 键 词：高重频 杂波 参数估计 

分 类 号：TN951[电子电信—信号与信息处理]