| 混响背景下基于MTI技术的目标检测 |
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| 引用本文： | 许江湖,张明敏.混响背景下基于MTI技术的目标检测[J].声学技术,2005,24(3):157-159,166. |
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| 作者姓名： | 许江湖 张明敏 |
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| 作者单位： | 海军工程大学电子工程学院,武汉,430033 |
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| 摘 要： | 研究了一种基于MTI技术的水下目标检测方法。该方法无需混响干扰的先验知识,利用MTI技术在线性估计并及时跟踪混响功率谱的变化,通过归一化匹配滤波器检测水下目标的回波。仿真数据和实验数据的处理结果验证了本方法的有效性,在信混比较低的情况下检测器仍具有很好的检测性能。
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| 关 键 词： | 运动目标显示技术 水下目标检测 归一化匹配滤波器 |
| 文章编号： | 1000-3630-（2005）03-0157-03 |
| 收稿时间： | 2004-05-25 |
| 修稿时间： | 2004-05-252004-07-11 |
Target detection in the presence of reverberation based on MTI technique |
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| XU Jiang-hu and ZHANG Ming-min.Target detection in the presence of reverberation based on MTI technique[J].Technical Acoustics,2005,24(3):157-159,166. |
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| Authors: | XU Jiang-hu and ZHANG Ming-min |
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| Affiliation: | College of Electronic Engineering, Na val University of Engineering, Wuhan 430033, China;College of Electronic Engineering, Na val University of Engineering, Wuhan 430033, China |
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| Abstract: | An underwater target detection method is studied based on the MTI technique. With this method, changes in reverberation spectrum can be tracked in real time and estimated online without any prior knowledge. Validity of the method is tested with both simulation results and real data. |
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| Keywords: | MTI technique underwater target detection normalized matched filter |
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