Abstract
摘要: 超宽带穿墙成像雷达作为一种能够隔墙探测和定位的新型雷达系统,在很多领域得到应用。该文提出利用时域波束形成对穿墙雷达进行成像的方法。电磁波穿墙传播时产生速度变化、衰减和折射等现象。该文在电磁波穿墙传播的折射模型上用解析的方法计算电磁波的传播时间,在时域波束形成成像算法中考虑了墙体对电磁波的影响,并用FDTD模拟对成像方法进行验证。最后定性分析了墙体厚度、介电常数估计误差对成像的影响。 关键词: 成像雷达; 超宽带; 穿墙成像; 时域波束形成
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