| 一种基于三元阵的水下目标被动定位方法 |
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| 引用本文： | 姜可宇,姚直象,尹敬湘.一种基于三元阵的水下目标被动定位方法[J].兵工学报,2012,33(9):1107-1111. |
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| 作者姓名： | 姜可宇 姚直象 尹敬湘 |
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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： | 提出了基于3个子阵接收信号间相关性度量的水下目标被动检测和定位方法，理论分析了该方法相对二元相关法在检测性能上的优势，并进行了检测性能和时延差估计精度方面的仿真检验。理论分析和仿真实验结果表明，与二元相关法相比，该方法在检测性能上具有不低于2 dB的优势，时延差估计精度有一定提高。
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| 关 键 词： | 信息处理技术 被动定位 互相关函数 检测性能 时延估计 |
| 收稿时间： | 2012-02-22 |
A Passive Locating Method for Underwater Target Based on Three-element-array |
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| JIANG Ke-yu
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YAO Zhi-xiang
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YIN Jing-xiang.A Passive Locating Method for Underwater Target Based on Three-element-array[J].Acta Armamentarii,2012,33(9):1107-1111. |
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| Authors: | JIANG Ke-yu YAO Zhi-xiang YIN Jing-xiang |
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| Affiliation: | (College of Electronic Engineering, Naval University of Engineering, Wuhan 430033, Hubei, China) |
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| Abstract: | A new passive detection and location method for underwater targets based on the correlation metric of three signals received by three elements was proposed, and its advantages compared with two-element- correlation in detection performances were analyzed. The simulation was performed to verify the detection performances and time delay estimation accuracy. The simulation results show that, compared with two-element-correlation method, the modified method can improve the detection performance by 2 dB and the time delay estimation accuracy in a certain extent. |
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