修正空时自适应处理在水下自导系统中的应用

doi:10.3969/j.issn.1000-1093.2012.08.008

兵工学报 ›› 2012, Vol. 33 ›› Issue (8): 944-950.doi: 10.3969/j.issn.1000-1093.2012.08.008

修正空时自适应处理在水下自导系统中的应用

吕维^1,2，王志杰¹，李建辰^1,2，王明洲^1,2，胡桥^1,2，杨宝民^1,2

(1.中国船舶重工集团公司第705研究所，陕西西安 710075;2.中国船舶重工集团公司第705研究所水下信息与控制重点实验室陕西西安 710075)

收稿日期:2011-11-18 修回日期:2011-11-18 上线日期:2014-03-04
作者简介:吕维（1984—）女博士研究生
基金资助:
陕西省科学技术研究发展计划项目（2010KJXX-09）；国家重点实验室基金项目（9140A050205110C23）

Application of Modified Space-Time Adaptive Processing in Sonar

LU Wei^1,2, WANG Zhi-jie¹, LI Jian-chen^1,2, WANG Ming-zhou^1,2, HU Qiao^1,2, YANG Bao-min^1,2

(1. The 705th Research Institute, China Shipbuilding Industry Corporation, Xi’an 710075, Shaanxi, China;2. Science and Technology on Underwater Information and Control Laboratory, The 705th Research Institute,China Shipbuilding Industry Corporation, Xi’an 710075, Shaanxi, China)

Received:2011-11-18 Revised:2011-11-18 Online:2014-03-04

摘要/Abstract

摘要： 为了将空时自适应处理（STAP）抑制杂波的理论应用于水下环境，从而解决浅水抗混响问题，提出了应用于水下自导系统的修正空时自适应方法。结合雷达目标回波模型分析了空时自适应的原理；比较了雷达和水下自导系统目标回波模型，针对水下自导系统目标模型和混响空-时耦合项对空时自适应方法进行修正，并提出了应用空时耦合导向矢量进行空时处理；将该修正方法用于最优处理和目标检测。仿真结果表明，修正空时自适应方法有利于水下目标检测，应用空-时耦合导向矢量有助于提高目标方位估计能力。

关键词: 信息处理技术, 声纳混响, 空时自适应处理, 回波模型, 空时耦合项

Abstract: In order to solve the problem of anti-reverberation in shallow water, a modified method of space-time adaptive processing (STAP) for sonar was proposed. Firstly, the principle of STAP was analyzed according to the echo model of radar. Secondly, comparing the echo model of sonar with radar, the space-time coupling guiding vector was used in space-time processing. Finally, the proposed method was applied in optimization processing and object detection. The simulation results illustrate that the modified method is beneficial to underwater object detection, and the application of space-time coupling guiding vector can increase the accuracy of the direction estimation of targets.

Key words: information processing technique, reverberation, space-time adaptive processing, echo signal model, space-time coupling term

中图分类号:

TB566

吕维，王志杰，李建辰，王明洲，胡桥，杨宝民. 修正空时自适应处理在水下自导系统中的应用[J]. 兵工学报, 2012, 33(8): 944-950.

LU Wei, WANG Zhi-jie, LI Jian-chen, WANG Ming-zhou, HU Qiao, YANG Bao-min. Application of Modified Space-Time Adaptive Processing in Sonar[J]. Acta Armamentarii, 2012, 33(8): 944-950.

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修正空时自适应处理在水下自导系统中的应用

Application of Modified Space-Time Adaptive Processing in Sonar

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