| 基于雷达散射特性的复杂目标SAR图像仿真 |
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| 引用本文： | 孙玉康,王润生,刘方,齐彬.基于雷达散射特性的复杂目标SAR图像仿真[J].计算机仿真,2008,25(9). |
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| 作者姓名： | 孙玉康 王润生 刘方 齐彬 |
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| 作者单位： | 国防科技大学电子科学与工程学院,湖南长沙,41003 |
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| 基金项目： | 国防科技重点实验室ATR基金，解放军总装备部预研项目 |
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| 摘 要： | 高频区复杂目标宽带雷达特征信号仿真,尤其是两维SAR图像的仿真对雷达目标识别和SAR图像解译具有重要意义.根据复杂目标三维模型运用物理光学(PO)法与增量长度绕射系数(ILDC)法结合的改进图形电磁算法快速计算目标雷达散射截面,而后通过对不同SAR成像模式的研究建立SAR仿真成像系统,从而分别仿真得到StripSAR、SpotSAR、ISAR图像.仿真结果与真实图像相比具有较好的相似度,验证了方法的有效性.
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| 关 键 词： | 雷达特征信号 图形电磁计算 雷达散射截面 仿真成像 |
Simulation of Complex Target's SAR Image Based on Backscatter Characteristics |
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| SUN Yu-kang,WANG Run-sheng,LIU Fang,QI Bin.Simulation of Complex Target's SAR Image Based on Backscatter Characteristics[J].Computer Simulation,2008,25(9). |
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| Authors: | SUN Yu-kang WANG Run-sheng LIU Fang QI Bin |
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| Affiliation: | SUN Yu-kang,WANG Run-sheng,LIU Fang,QI Bin(School of Electronic Science , Engineering,National University of Defense Technology,Changsha Hunan 410073,China) |
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| Abstract: | Simulation of complex target's wideband radar signature in high frequency region,especially SAR image simulation is of great importance to radar target recognition and SAR image interpretation.At first,based on complex targer's 3D model,the radar cross section is computed fast by improved graphic electromagnetic computing algorithms integrated with physical optics(PO) method and incremental length diffraction coefficients(ILDC) method,and then the simulation result of StripSAR,SpotSAR and ISAR can be got by... |
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| Keywords: | Radar signature GRECO RCS Simulation imaging |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
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