Simrad EM多波束声纳系统回波强度数据的分析与应用  

Analysis and Application of Echo Intensity Data in Simrad EM Multibeam Sonar System

作　　者：金绍华[1] 翟京生[2] 刘雁春[1] 崔高嵩[1] 肖付民[1] 

机构地区：[1]海军大连舰艇学院海洋测绘与科学系,辽宁大连116018 [2]海军海洋测绘研究所,天津300061

出　　处：《海洋技术》2011年第1期48-51,共4页Ocean Technology

基　　金：国家自然科学基金资助项目(40871207)

摘　　要：首先分析了Simrad EM多波束声纳系统回波强度数据获取时系统进行的增益处理,分别探讨了深度数据包和海底图像数据包中回波强度数据的表征内容及意义,研究了不同数据包中回波强度数据的记录方式、特点及应用范围,为多波束水下目标识别和海底底质分类研究提供准确、表述清晰的基础数据。Simrad EM multibeam sonar systems have echo intensity as part of their data output.The systematic gain in collecting these data is analyzed.The content and significance of echo intensity showed by depth datagram and sonar image datagram are respectively explored.The recording pattern,characteristic and applied scope are studied at last.The founding will provide exact and clear basic data in underwater target identification and seafloor classification by multibeam sonar systems.

关 键 词：多波束声纳系统 回波强度 时间变化增益 声纳图像 

分 类 号：TB565[交通运输工程—水声工程]