多波束合成孔径声呐技术研究进展  

Technical Progress in Research of Multibeam Synthetic Aperture Sonar

作　　者：李海森 魏波[1,2] 杜伟东 

机构地区：[1]哈尔滨工程大学水声技术重点实验室,哈尔滨150001 [2]哈尔滨工程大学水声工程学院,哈尔滨150001

出　　处：《测绘学报》2017年第10期1760-1769,共10页Acta Geodaetica et Cartographica Sinica

摘　　要：随着近年人们对海洋科学研究的迫切需要,水下目标精细探测与成像声呐技术逐步成为国内外研究的热点。本文重点分析了国内外主流多波束测深声呐技术与合成孔径技术的发展现状和趋势,并结合二者技术优势提出了一种多波束合成孔径声呐探测机理。研究讨论了多波束合成孔径声呐关键技术的研究进展,通过试验,初步验证了其探测机理的有效性和提升水下目标分辨能力的潜力。Recently,detailed underwater target detection and imaging sonar technology has become a research hotpot with the urgent need of marine research.Multibeam synthetic aperture sonar technology has been proposed combining the both technological advantages in this paper,owing to the emphatically analyses of the technology trends of multibeam bathymetric sonar and synthetic aperture sonar.The research progress in the key technologies of multibeam synthetic aperture sonar has been discussed in this paper,the effectiveness of multibeam synthetic aperture sonar detection mechanism is preliminary verified by the experiments.The potential that the multibeam synthetic aperture technique can effectively enhance the underwater target resolution has aslo been proved through the contrast experiment.

关 键 词：多波束合成孔径 目标仿真 运动误差估计 技术发展趋势 

分 类 号：P227[天文地球—大地测量学与测量工程]