## 留言板

 引用本文: 刘俊, 刘峥, 刘韵佛. 米波雷达仰角和多径衰减系数联合估计算法[J]. 电子与信息学报, 2011, 33(1): 33-37.
Liu Jun, Liu Zheng, Liu Yun-Fu. Elevation Angle and Multipath Fading Coefficient Joint Estimation Algorithm in VHF Radar[J]. Journal of Electronics and Information Technology, 2011, 33(1): 33-37. doi: 10.3724/SP.J.1146.2010.00251
 Citation: Liu Jun, Liu Zheng, Liu Yun-Fu. Elevation Angle and Multipath Fading Coefficient Joint Estimation Algorithm in VHF Radar[J]. Journal of Electronics and Information Technology, 2011, 33(1): 33-37.

## Elevation Angle and Multipath Fading Coefficient Joint Estimation Algorithm in VHF Radar

• 摘要: 针对多径信号严重影响米波雷达低仰角测高的问题，基于广义MUSIC算法的思想，提出了一种可同时估计目标仰角和多径衰减系数的新算法。该算法利用阵列协方差矩阵和搜索角度计算出虚拟的多径衰减系数，然后将该系数与搜索角度一起构造子空间，当该子空间与噪声子空间正交时，即可获得波达方向角度，对应的系数即为多径反射波相对于直达波的多径衰减系数。该算法在克服多径效应的同时，不损失阵列孔径，不要求阵列具有特殊的结构。理论分析和仿真结果表明了该算法的优越性。
•  吴向东, 张守宏, 董玫. 一种基于线性预处理的米波雷达低仰角处理算法[J]. 电子学报, 2006, 34(9): 1668-1671.Wu Xiang-dong, Zhang Shou-hong, and Dong Mei. An algorithm based on linear preprocessing for meter-wave radar to a target at low altitude[J]. Acta Electronica Sinica, 2006, 34(9): 1668-1671.[2]Ziskind I and Wax M. Maximum likelihood localization of multiple sources by alternating projection[J].IEEE Transaction on Acoustics, Speech, and Signal Processing.1988, 36(10):1553-1560[3]赵永波, 张守宏. 雷达低角跟踪环境下的最大似然波达方向估计方法[J]. 电子学报, 2004, 32(9): 1520-1523.Zhao Yong-bo and Zhang Shou-hong. Maximum likelihood DOA estimation in radar low-angle tracking environment[J]. Acta Electronica Sinica, 2004, 32(9): 1520-1523.[4]Zoltowski M and Haber F. A vector space approach to direction finding in a coherent multipath environment[J].IEEE Transaction on Antennas and Propagation.1986, 34(9):1069-1079[5]张文俊, 赵永波, 张守宏. 广义MUSIC 算法在米波雷达测高中的应用及其改进[J].电子与信息学报.2007, 29(2):387-390浏览[6]Zhang Wen-jun, Zhao Yong-bo, and Zhang Shou-hong. Altitude measurement of meter-wave radar using the general[7]MUSIC algorithm and its improvement[J]. Journal of[8]Electronics Information Technology, 2007, 29(2): 387-390.[9]Lo T and Litva J. Use of a highly deterministic multipath signal model in low-angle tracking[J]. IEE Proceedings-F, 1991, 138(2): 163-171.[10]胡晓琴, 陈建文, 王永良. 米波雷达测高多径模型研究[J]. 电波科学学报, 2008, 23(4): 651-657.Hu Xiao-qin, Chen Jian-wen, and Wang Yong-liang. Research on meter-wave radar height-finding multipath model[J]. Chinese Journal of Radio Science, 2008, 23(4): 651-657.[11]Zhang Yu-feng, Ye Zhong-fu, and Liu Chao. Estimation of fading coefficients in the present of multipath propagation[J]. IEEE Transaction on Antennas and Propagation, 2009, 57(7): 2220-2224.[12]赵光辉, 陈伯孝, 董玫. 基于交替投影的DOA估计方法及其在米波雷达中的应用[J].电子与信息学报.2008, 30(1):224-227浏览Zhao Guang-hui, Chen Bai-xiao, and Dong Mei. A new DOA estimator based on alternating projection and its application in VHF radar[J].Journal of Electronics Information Technology.2008, 30(1):224-227[13]Shan T J, Wax M, and Kailath T. On spatial smoothing for direction-of-arrival estimation of coherent signals[J].IEEE Transaction on Acoustics, Speech, and Signal Processing.1985, 33(4):806-811[14]董玫, 赵永波, 张守宏, 等. 倾斜面阵下的米波雷达测高方法[J]. 西安电子科技大学学报, 2009, 36(1): 43-47.Dong Mei, Zhao Yong-bo, and Zhang Shou-hong. Method for altitude measurement in the VHF radar under the oblique planar array[J]. Journal of Xidian University, 2009, 36(1): 43-47.

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##### 出版历程
• 收稿日期:  2010-03-18
• 修回日期:  2010-08-23
• 刊出日期:  2011-01-19

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