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基于非圆信号的单次快拍二维DOA新算法

DOI: 10.13700/j.bh.1001-5965.2013.0770, PP. 1609-1614

Keywords: 非圆信号,单次快拍,奇异值分解,波达方向估计,相干信号

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Abstract:

针对双平行线阵相干信号二维波达方向(DOA,DirectionofArrival)快速估计问题,利用信号的非圆特性,提出了一种基于非圆信号的单次快拍数据的二维DOA算法.建立新的阵列坐标系,对阵列接收单次快拍数据进行共轭运算,通过数据重新链接得到伪快拍数据,阵列孔径扩展1倍.仅需要对3个伪单快拍矩阵的扩展矩阵进行一次奇异值分解即可实现二维DOA估计和解相干.该算法计算复杂度低,估计精度高,适用于对二维DOA估计实时性要求高的应用背景.计算机仿真结果验证了方法的有效性.

References

[1]  蒋柏峰,吕晓德.一种基于导向矢量变换的DOA估计预处理方法[J].电子与信息学报,2012,34(7):1552-1557 Jiang Baifeng,Lü Xiaode.A DOA estimation pre-processing method based on steering vector transformation[J].Journal of Electronics & Information Technology,2012,34(7):1552-1557(in Chinese)
[2]  Chen C,Zhang X F,Chen H,et al.A low-complexity algorithm for coherent DOA estimation in monostatic MIMO radar[J].Wireless Pers Commun,2013,72:549-563
[3]  Zheng Z,Li G J,Teng Y L.Simplified estimation of 2D DOA for coherently distributed sources[J].Wireless Pers Commun,2012,62:907-922
[4]  Hu X Q,Chen H,Wang Y L,et al.A self-calibration algorithm for cross array in the presence of mutual coupling[J].Science China,Information Sciences,2011,54(4):836-848
[5]  洪升,万显荣,易建新,等.基于单次快拍的双基地MIMO雷达多目标角度估计方法[J].电子与信息学报,2013,35(5):1149-1156 Hong Sheng,Wan Xianrong,Yi Jianxin,et al.An angle estimation method for multi-targets in bistatic MIMO radar with single snapshot[J].Journal of Electronics & Information Technology,2013,35(5):1149-1156(in Chinese)
[6]  Liu C,Ye Z,Zhang Y.DOA estimation based on fourth-order cumulants with unknown mutual coupling[J].Signal Processing,2009,89(9):1839-1843
[7]  殷勤业,邹理和,Newwcomb W R.一种高分辨率二维信号参量估计方法-波达方向矩阵法[J].通信学报,1991,12(4):1-7 Yin Qinye,Zou Lihe,Newwcomb W R.A high resolution approach to 2-D signal parameter estimation-doa matrix method[J].Journal on Communications,1991,12(4):1-7(in Chinese)
[8]  Huang L,Yuan W M.Direction of arrival estimation based on the MSWF[J].Journal of Xidian University,2004,31(6):865-869
[9]  Tayem N,Kwon H M.L-shape 2-dimensional arrival angle estimation with propagator method[J].IEEE Trans on Antennas and Propagation,2008,56(5):1622-1630
[10]  Kim J T,Moon S H,Han D S,et al.Fast DOA estimation algorithm using pseudocovariance matrix[J].IEEE Trans Antennas and Propagation,2005,53(4):1346-1351
[11]  Ren Q S,Willis A J.Extending MUSIC to single snapshot and on line direction finding applications[C]//Proc of IEE Radar'97.Edinburgh,UK:IEE,1997:783-787
[12]  王凌,李国林,隋鉴,等.单次快拍波达方向矩阵法[J].系统工程与电子技术,2012,34(7):1323-1328 Wang Ling,Li Guolin,Sui Jian,et al.Single snapshot DOA matrix method[J].Systems Engineering and Electronics,2012,34(7):1323-1328(in Chinese)
[13]  王凌,李国林.一种新的单次快拍二维ESPRIT算法[J].北京理工大学学报,2013,33(1):99-104 Wang Ling,Li Guolin.A new method of single snapshot 2-D ESPRIT algorithem[J].Transactions of Beijing Institute of Technology,2013,33(1):99-104(in Chinese)
[14]  Haardt M,R?mer F.Enhancements of unitary ESPRIT for non-circular sources[C]//ICASSP,IEEE International Conference on Acoustics,Speech and Signal Processing-Proceedings,2004,2:II101-II104
[15]  Delmas J P,Abeida H.Stochastic Cramer-Rao bound for noncircular signals with application to DOA estimation[J].IEEE Trans on Signal Processing,2004,52(11):3192-3199
[16]  刘剑,黄知涛,周一宇.非圆信号方位、俯仰及初相联合估计[J].电子与信息学报,2008,30(7):1666-1670 Liu Jian,Huang Zhitao,Zhou Yiyu.Joint 2-D angle and noncircularity phase estimation[J].Journal of Electronics & Information Technology,2008,30(7):1666-1670(in Chinese)
[17]  张贤达.矩阵分析与应用[M].北京:清华大学出版社,2009 Zhang Xianda.Matrix analysis and applications[M].Beijing:Tsinghua University Press,2009(in Chinese)

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