第44卷第3期2023年3月激光杂志LASERJOURNALVol.44,No.3March,2023http∶//www.laserjournal.cn收稿日期:2022-09-21基金项目:国防科研基金(No.2019-JCJQ-JJ-056)作者简介:张鑫(1998-),男,硕士研究生,主要从事水下激光探测、光电对抗等方面的研究。E-mail:1714308601@qq.com近岸渔网激光探测特性与实验研究张鑫1,宗思光1,余扬2,梁善永11海军工程大学电子工程学院,武汉430034;2武汉大学,武汉430070摘要:在近海岸复杂水体环境下,弱小渔网目标的探测、识别、定位具有较强的挑战性。针对以上问题,采用脉冲激光探测的方式,基于积分雷达方程,仿真分析了渔网目标倾角、探测距离和漫反射强度对接收回波能量的影响,搭建了渔网后向散射回波探测系统,对不同条件下的回波信号进行了验证分析。结果表明,探测距离4m时渔网目标探测信噪比最高;随距离的增加,目标回波信号峰值幅度逐渐降低;目标倾角为正值的回波强度强于目标倾角为负值的回波强度。验证了脉冲激光探测技术在水下渔网探测理论及方法的可行性。可为水下渔网探测技术工程化提供支撑。关键词:积分雷达方程;渔网探测;激光雷达;仿真研究;实验研究中图分类号:TN249文献标识码:Adoi:10.14016/j.cnki.jgzz.2023.03.105LaserdetectioncharacteristicsandexperimentalstudyofinshorefishingnetZHANGXin1,ZONGSiguang1,YUYang2,LIANGShanyong11CollegeofElectronicEngineeringNavalUniversityofEngineering,Wuhan430033,China;2WUhanUniversity,Wuhan430070,ChinaAbstract:Inthecomplexwaterenvironmentnearthecoast,thedetection,recognitionandpositioningofweakandsmallfishingnettargetsareverychallenging.Inviewoftheaboveproblems,thepaperadoptsthepulselaserde-tectionmethod,basedontheintegralradarequation,simulatesandanalyzestheinfluenceofthefishingnettargetin-clination,detectiondistanceanddiffusereflectionintensityonthereceivedechoenergy,buildsthefishingnetback-scatterechodetectionsystem,andverifiesandanalyzestheechosignalsunderdifferentconditions.Theresultsshowthatthesignal-to-noiseratiooffishingnettargetdetectionisthehighestwhenthedetectiondistanceis4m;Withtheincreaseofdistance,thepeakamplitudeoftargetechosignaldecreasesgradually;Theechointensitywithpositivetar-getinclinationisstrongerthanthat...