舰船尾迹的电磁成像机理及特征提取技术

第1 章 舰船尾迹电磁散射的理论基础·········································001
1.1 海浪和舰船尾迹的基本概念········································002
1.1.1 海浪仿真·······················································002
1.1.2 典型海谱函数·················································005
1.1.3 舰船尾迹的基本类型·······································.011
1.2 海面与舰船尾迹电磁散射的计算基础····························017
1.2.1 Bragg 散射理论···············································018
1.2.2 半确定面元散射模型········································020
1.2.3 海面散射场分析··············································023
1.3 本章小结································································026
参考文献······································································027
第2 章 Kelvin 尾迹······························································031
2.1 Kelvin 尾迹流场模型·················································032
2.1.1 船行波基本特征··············································032
2.1.2 Kelvin 尾迹波高场···········································033
2.1.3 Kelvin 尾迹仿真结果········································035
2.2 海面调制理论··························································037
2.2.1 海浪波的流体力学描述·····································037
2.2.2 倾斜调制·······················································038
2.2.3 流体力学调制·················································039
2.2.4 速度聚束调制·················································040
2.2.5 三种调制作用对比···········································041
2.3 速度聚束成像模型与尾迹成像仿真·······························043
2.3.1 实孔径雷达和合成孔径雷达·······························043
2.3.2 Kelvin 尾迹SAR 成像仿真·································045
2.3.3 Kelvin 尾迹SAR 图像特性分析···························048
2.3.4 Kelvin 尾迹中的窄尾迹分量·······························057
2.4 本章小结································································061
参考文献······································································062
第3 章 湍流远场综合尾迹·······················································063
3.1 远场湍流尾迹的流场仿真···········································064
3.1.1 CFD 理论基础·················································065
3.1.2 基于CFD 理论的远场尾迹仿真···························068
3.2 调制谱面元散射模型·················································069
3.2.1 调制谱方程····················································070
3.2.2 调制谱源项····················································071
3.2.3 调制谱的求解·················································075
3.2.4 基于调制谱的海面散射·····································078
3.3 湍流尾迹散射场分析·················································079
3.3.1 尾迹的背景波调制作用·····································079
3.3.2 远场综合尾迹SAR 成像····································083
3.4 本章小结································································087
参考文献······································································087
第4 章 泡沫流尾迹·······························································090
4.1 泡沫流尾迹的理论基础··············································090
4.1.1 泡沫层反射率·················································090
4.1.2 泡沫覆盖率····················································093
4.2 泡沫海面的体散射统计模型········································095
4.2.1 球形气泡的电磁散射特性··································095
4.2.2 散射矩阵·······················································099
4.2.3 泡沫海面体散射的VRT 模型······························104
4.3 泡沫流尾迹的相干散射场模型····································.110
4.3.1 泡沫层的相干散射场模型·································.110
4.3.2 仿真结果与分析·············································.115
4.4 本章小结································································120
参考文献······································································121
第5 章 近场尾迹··································································123
5.1 近场尾迹的几何建模·················································124
5.1.1 尾迹流场仿真设置···········································125
5.1.2 近场尾迹仿真结果···········································126
5.2 近场尾迹电磁散射的算法···········································129
5.2.1 网格转换和消隐处理········································129
5.2.2 迭代物理光学法（IPO）····································131
5.2.3 迭代优化技术·················································133
5.3 近场尾迹的电磁散射特性分析·····································134
5.3.1 FBIPO