哈尔滨工程大学学报2012，Vol.33Issue(2)：197-202,6.DOI:10.3969/j.issn.1006-7043.201107013
基于多子阵检测法的多波束海底成像技术
Multibeam seafloor imaging technology based on the multiple sub-array detection method
摘要
Abstract
To improve the seailoor image quality of multibeam bathymetric sonar, this paper introduced a seafloor imaging technology based on the multiple sub-array detection method. From the sequence of the time of arrival ( TOA) and direction of arrival ( DOA) of the echo signal from the seafloor which were estimated by the multiple sub-array detection method, the echo intensities of the seafloor detection points were estimated and their spatial locations were calculated after the sampling process of the output signals received by the narrow beams. Considering the effects of an underwater environment and incidence angle, the data was corrected. As the echo intensity and the spatial location estimated by this method come from the same TOA and DOA data, the two kinds of data can accurately correspond, which improves the image quality. Moreover, the processing results of experimental data from lakes show the efficiency and relatively good spatial resolution of this method.关键词
海底成像/多子阵检测法/多波束测深声呐/回波强度/空间位置Key words
seafloor imaging/ multiple sub-array detection method/ multibeam bathymetric sonar/ echo intensity/ spatial location分类
海洋科学引用本文复制引用
刘晓,李海森,周天,徐超,么彬..基于多子阵检测法的多波束海底成像技术[J].哈尔滨工程大学学报,2012,33(2):197-202,6.基金项目
国家"863"计划资助项目(2007AA09Z124):国家科技部国际合作计划资助项目(2008DFR70320) （2007AA09Z124）
国家自然科学基金资助项目(41006057,41076056, 60872107) （41006057,41076056, 60872107）
中国高等学校博士点基金资助项目(20092304110010,20102304120028) （20092304110010,20102304120028）
水声技术重点实验室基金资助项目(91407200302100C2005,9140C200403110C20) （91407200302100C2005,9140C200403110C20）
中央高校基本科研业务费专项资金资助项目(HEUCFR1012). （HEUCFR1012）
