中文摘要：

受测量机理的制约,侧扫声呐拖鱼位置及姿态难以准确获得,这也使得侧扫声呐图像长期用于定性分析,而忽略了其精处理工作。本文针对瀑布图像存在的各种畸变、使用不直观等问题,从侧扫声呐成图机理出发,对侧扫声呐条带数据处理方法开展了系统研究,形成了一套集海底追踪、斜距改正、拖鱼归位计算、地理编码、缝隙填补等技术为一体的综合方法,最终形成了一幅消除了各种畸变、灰度均衡、目标轮廓清晰、具有直观坐标信息的高质量无缝侧扫声呐地貌图像。

英文摘要：

Because of the measuring mechanism and operating mode of side-scan sonar system,it is hard to obtain the exact position of tow-fish,which also makes the side-scan sonar image only used for the qualitative analysis,but ignored its fine processing work.In order to solve the distortion problem of side-scan sonar waterfall image,a systematic study about processing principles of side-scan sonar data,including seabed line tracing,slant distance correction,tow-fish position calculation,geocoding mosaic and gap filling,is carried out in this paper.In the end,a high-quality relief,with less distortion,intuitive coordinate,clean outline,uniform gray level is built.