计算机工程与应用Issue(1)：211-214,4.DOI:10.3778/j.issn.1002-8331.1203-0372
水下运动阵列多目标检测和方位估计一体化方法
Integrated method for multi-target detection and DOA estimation by underwater moving array
摘要
Abstract
In the field of array signal processing, the detection of the number of signals and estimation of the Direction of Arrival(DOA)of signals are two important issues. They are generally solved separately with some algorithms dedicated to detection and other algorithms dedicated to DOA estimation. An integrated method called Synthetic Aperture Technique based Detection and Estimation(SATDE)is proposed for multi-target detection and DOA estimation by underwater moving array. The proposed method exploits the synthetic aperture technique to achieve high angular resolution and the energy detection idea embodied in Minimum Variance Distortionless Response(MVDR)spectrum function to determinate the number and DOA of signals at the same time. Simulations and experimental results show that the proposed method yields better detection performance than conventional detection methods such Akaike Information Criterion(AIC)and Minimum Descriptive Length(MDL)for closely-spaced coherent signals and produces correct DOA estimations at the same time.关键词
目标检测/方位估计/角度分辨率/合成孔径/最小方差无失真响应(MVDR)Key words
target detection/DOA estimation/angular resolution/synthetic aperture/Minimum Variance Distortionless Response(MVDR)分类
信息技术与安全科学引用本文复制引用
侯云山,汤艳红..水下运动阵列多目标检测和方位估计一体化方法[J].计算机工程与应用,2014,(1):211-214,4.基金项目
国家自然科学基金（No.61001153）；河南省自然科学基金（No.112300410024）。 （）
