| 双基地MIMO雷达收发阵列互耦条件下目标定位方法 |
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| 引用本文： | 郭艺夺,张永顺,张林让,童宁宁. 双基地MIMO雷达收发阵列互耦条件下目标定位方法[J]. 西安电子科技大学学报(自然科学版), 2011, 38(6): 82-88. DOI: 10.3969/j.issn.1001-2400.2011.06.013 |
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| 作者姓名： | 郭艺夺 张永顺 张林让 童宁宁 |
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| 作者单位： | 空军工程大学导弹学院;西安电子科技大学雷达信号处理国家重点实验室; |
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| 基金项目： | 国家自然科学基金资助项目(60601016) |
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| 摘 要： | 利用均匀线阵互耦矩阵的带状、对称Toeplitz特性,基于子空间原理,提出了一种双基地MIMO雷达目标定位及互耦自校正方法.将对目标二维方位角估计与互耦参数估计相"去耦",不需要任何互耦矩阵信息,且角度估计性能与互耦已知时二维MUSIC算法相近;同时,基于信源二维方位角的精确估计,算法还可以精确地估计出互耦矩阵,从而实现双基地MIMO雷达的互耦自校正.该方法对目标二维方位角与互耦矩阵的联合估计不涉及高维的非线性优化搜索,只需一维搜索,具有较小的计算量.计算机仿真结果证明了本方法的正确性和可行性.
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| 关 键 词： | 阵列信号处理 MIMO雷达 目标定位 互耦 |
| 收稿时间： | 2010-09-23 |
Target localization method for the bistatic MIMO radar in the presence of mutual coupling of receiver and transmitter arrays |
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| GUO Yiduo,ZHANG Yongshun,ZHANG Linrang,TONG Ningning. Target localization method for the bistatic MIMO radar in the presence of mutual coupling of receiver and transmitter arrays[J]. Journal of Xidian University, 2011, 38(6): 82-88. DOI: 10.3969/j.issn.1001-2400.2011.06.013 |
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| Authors: | GUO Yiduo ZHANG Yongshun ZHANG Linrang TONG Ningning |
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| Affiliation: | (1. Missile Institute, Air Force Eng. Univ., Sanyuan 713800， China;2. National Key Lab. of Radar Signal Processing, Xidian Univ., Xi'an 710071， China) |
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| Abstract: | By using the banded symmetric and Toeplitz matrix model for the mutual coupling of uniformly linear array(ULA),a subspace-based target localization and mutual coupling self-calibration method is proposed for the bistatic MIMO radar.The new algorithm can decouple the 2-dimensional(2-D) angles and mutual coupling parameters,and provide a similar estimated performance to 2-D MUSIC without the knowledge of the sensor mutual coupling matrix.At the same time,an accurate estimate of mutual coupling matrix based on... |
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| Keywords: | array signal processing MIMO radar target localization mutual coupling |
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