互谱相关的舷侧双线阵空间谱估计方法

doi:10.16182/j.issn1004731x.joss.17-0179

系统仿真学报 ›› 2019, Vol. 31 ›› Issue (5): 978-983.doi: 10.16182/j.issn1004731x.joss.17-0179

互谱相关的舷侧双线阵空间谱估计方法

李智忠¹, 王森^1,2, 许忠良¹, 戴卫国¹, 刘启军¹

1. 海军潜艇学院,山东青岛 266100;
2. 91154部队,海南三亚 572000

收稿日期:2017-04-20 修回日期:2017-08-09 出版日期:2019-05-08 发布日期:2019-11-20
作者简介:李智忠(1979-),男,山东潍坊,博士,副教授,研究方向为水声信号处理;王森(1988-),男,山东潍坊,博士生,研究方向为水声目标识别;许忠良(1987-),男,湖南平江,硕士,讲师,研究方向为信号处理。

Spatial Spectrum Estimation Method of Flank Twin-line Array Based on Cross-spectrum Correlation

Li Zhizhong¹, Wang Sen^1,2, Xu Zhongliang¹, Dai Weiguo¹, Liu Qijun¹

1. Navy Submarine Academy, Qingdao 266100, China;
2. PLA 91154, Sanya 572000, China

Received:2017-04-20 Revised:2017-08-09 Online:2019-05-08 Published:2019-11-20

摘要/Abstract

摘要： 针对舷侧艏艉双线阵基阵结构特点,开展了自适应波束形成和互谱相关的双阵空间谱估计研究。根据互谱测向原理提出了基于互谱相关的空间谱估计方法,与常规波束形成、自适应波束形成进行组合,研究了各不同方法的双线阵谱估计性能。研究结果表明：互谱相关空间谱估计法具有较好的噪声抑制能力;自适应波束形成与互谱相关相结合的空间谱估计方法最适合进行舷侧艏艉双线阵空间谱估计。

关键词: 自适应波束形成, 互谱相关, 舷侧阵, 空间谱估计

Abstract: Considering the structural features of the flank twin-line array, researches on spatial spectrum estimation of twin-line array based on adaptive beam-forming and cross-spectrum correlation were carried out. A spatial spectrum estimation method based on cross-spectrum correlation is proposed according to the theory of cross-spectrum. The study of spectrum estimation performance comparison of the twin-line array was finished by that method combined with the conventional beam-forming and the adaptive beam-forming respectively. The results prove that the method based on cross-spectrum correlation has a better capability in noise suppression; and the method, which combined adaptive beam-forming with cross-spectrum correlation, is the best fit for spatial spectrum estimation of the flank twin-line array.

Key words: adaptive beam-forming, cross-spectrum correlation, flank array, spatial spectrum estimation

中图分类号:

TN911

李智忠, 王森, 许忠良, 戴卫国, 刘启军. 互谱相关的舷侧双线阵空间谱估计方法[J]. 系统仿真学报, 2019, 31(5): 978-983.

Li Zhizhong, Wang Sen, Xu Zhongliang, Dai Weiguo, Liu Qijun. Spatial Spectrum Estimation Method of Flank Twin-line Array Based on Cross-spectrum Correlation[J]. Journal of System Simulation, 2019, 31(5): 978-983.

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互谱相关的舷侧双线阵空间谱估计方法

Spatial Spectrum Estimation Method of Flank Twin-line Array Based on Cross-spectrum Correlation

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