基于互累积量的多雷达信号层融合检测  

Multiple Radar Signal Fusion and Detection Based on Cross Cumulant

作　　者：王成[1] 胡卫东[1] 杜小勇[1] 郁文贤[1] 

机构地区：[1]国防科技大学ATR重点实验室,湖南长沙410073

出　　处：《信号处理》2006年第4期480-485,共6页Journal of Signal Processing

摘　　要：针对多雷达检测海上目标的研究背景,本文提出了一种新的基于互累积量的多带雷达信号层融合检测方法,该方法融合不同雷达的观测信息,对不同频带的雷达观测在统计相关域上进行积累,最后进行检测。仿真结果表明,与传统的融合检测方法相比,新方法能够显著提高融合处理后的信杂比,有效提高海上目标检测概率。A novel multiple-band radar signal level fusion and detection method based on cross cumulant was presented for multiple radar targets detection in sea clutter. Because the statistic characteristic of sea clutter and target is different in different frequency band, the method utilizes the characteristic to integrate observations returns of different radars in statistics correlation domain. Firstly, the cumulant of returns in same windows of different radar was estimated. Secondly, the cumulant of returns was integrated with two algorithms. Lastly, a target was detected with correlation domain threshold detector or CFAR detector. The results of simulations show that the new method can distinctly improve signal-to-clutter ratio and increase the probability of target detection in sea clutter after integration.

关 键 词：信号层融合 互累积量 目标检测 

分 类 号：TN95[电子电信—信号与信息处理]