中国光学（中英文）2023，Vol.16Issue(6)：1333-1342,10.DOI:10.37188/CO.2023-0043
舰船尾流气泡目标激光后向散射特性研究
Laser backscattering characteristics of ship wake bubble target
摘要
Abstract
In order to improve the laser wake guidance distance and the detection signal-to-noise ratio,it is of great theoretical and practical value to study the backscattering characteristics of bubble targets with differ-ent distances,bubble sizes,bubble number densities,and bubble layer thicknesses.The laser backscattering characteristics of ship wake bubble targets with different distances,scales,numerical densities,and thick-nesses are studied using Monte Carlo simulations and indoor experiments.When the bubble density is 102-108 mr-3 and the thickness of the bubble layer is greater than 0.05 m,there is always an echo signal for both large-and small-scale bubbles.When the thickness of the bubble layer is less than 0.05 m,no echo sig-nal is detected.At this situation,the thickness of the bubble layer is the greatest impact factor on the back-ward scattering of bubbles.When the bubble number density is 109 m-3 and the thickness of the bubble layer is below 0.05 m,the pulse width of the large-scale bubble echo signal widens.The number density and scale characteristics of the bubbles have the greatest impact on the backscattering of bubbles.A laser backscatter-ing measurement system at the scale of typical underwater bubbles is built to verify the influence of different ship wake bubble characteristics on the laser backscattering detection system,which can provide support for the ship wake laser detection project.关键词
舰船尾流/蒙特卡洛/后向散射/目标特性Key words
ship wake/Monte Carlo/backscattering/target characteristics分类
电子信息工程引用本文复制引用
宗思光,张鑫,杨劭鹏,段子科,陈报..舰船尾流气泡目标激光后向散射特性研究[J].中国光学（中英文）,2023,16(6):1333-1342,10.基金项目
国防科研基金(No.2019-JCJQ-JJ-056)Supported by the National Defense Foundation of China(No.2019-JCJQ-JJ-056) （No.2019-JCJQ-JJ-056）
