基于双尺度海谱的动态海面场景仿真建模分析  

Modeling and analysis of dynamic sea scene simulation based on dual scale sea spectrum

作　　者：叶宗民[1] 宋广[1] YE Zong-min;SONG Guang(No.91404 Unit of PLA,Qinhuangdao 066001,China)

机构地区：[1]中国人民解放军91404部队,河北秦皇岛066001

出　　处：《舰船科学技术》2024年第9期138-142,共5页Ship Science and Technology

基　　金：国防基础基金资助项目(2020-JCJQ-JJ-408)。

摘　　要：针对典型复杂环境下动态海面目标场景,采用双尺度海谱用于风驱海面的建模构建公里级别复杂场景电磁仿真模型,研究面向体-面复合结构的自适应弹跳射线法,结合区域分解和并行加速技术实现典型目标及地物环境的耦合电磁散射特性分析,形成公里级别复杂场景多维复合散射特性仿真能力,实现大场景复杂环境与目标一体化模型的高效电磁散射计算与分析。通过测量海面邮轮在实际海面背景下的电磁散射特性,进行验证,为复杂海面背景下大尺度目标的动态场景生成和目标特性研究提供重要支撑作用。This article focuses on dynamic sea surface target scenarios in typical complex environments,and uses dual scale sea spectra for modeling wind driven sea surfaces to construct an electromagnetic simulation model for kilometer level complex scenes.It studies the adaptive bouncing ray method for volume surface composite structures,and combines region decomposition and parallel acceleration technology to achieve coupled electromagnetic scattering characteristics analysis of typical targets and ground environment,forming a multi-dimensional composite scattering characteristics simulation capability for kilometer level complex scenes,Efficient Electromagnetic Scattering Calculation and Analysis for Integrating Large Scene,Complex Environment,and Target Models。And the electromagnetic scattering characteristics of cruise ships on the sea surface were verified by measuring the actual sea background。Providing important support for the dynamic scene generation and target characteristics research of large-scale targets in complex sea background。

关 键 词：海面场景 建模分析 双尺度 

分 类 号：TB56[交通运输工程—水声工程]