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Volume 24 Issue 7
Jul.  2002
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Xu Jing-Wei, Liao Gui-Sheng, Zhu Sheng-Qi, Liu Ai-Fei. Research on STAP Approach of Forward Looking Array Radar with High-velocity[J]. Journal of Electronics & Information Technology, 2013, 35(3): 509-515. doi: 10.3724/SP.J.1146.2012.00992
Citation: Wang Jiyang, Wang Jianying, Chen Tianqi . Joint estimation of frequencies, two-dimensional AOAs and polarization for spatial broad-band signals[J]. Journal of Electronics & Information Technology, 2002, 24(7): 872-878.

Joint estimation of frequencies, two-dimensional AOAs and polarization for spatial broad-band signals

  • Received Date: 2000-08-23
  • Rev Recd Date: 2001-04-12
  • Publish Date: 2002-07-19
  • Under the condition of spatial subsampling, with flexible definition of fourth-order cumulant matrix of L-shaped array antennas output, utilizing the blind Gaussian and aperture extension properties of high-order cumulant, the estimation of frequency and two-dimensional(2D) Angles Of Arrivals (AOAs) are separated from the estimation of polarization of spatial non-Gaussian broad-band signals. An algorithm based on fourth-order cumulant ESPRIT and integral search is proposed to jointly estimate the parameters in multi-signal and arbitrary Gaussian noise environment. The array antennas are consisted of crossed dipoles that are parallel to the coordinate axes. Numerical simulation results verify the feasibility of this method.
  • J. Li, R. T. Compton, Angle and polarization estimation using ESPRIT with a polarization sensitive array, IEEE Trans. on AP, 1991, AP-39(9), 1376-1383.[2]J. Li, R. T. Compton, Two-dimensional angle and polarization using ESPRIT algorithm, IEEE Trans. on AP, 1992, AP-40(5), 550-555.[3]J. Li, R. T. Compton, Direction and polarization estimation using arrays with small loops and short dipoles, IEEE Trans. on AP, 1993, AP-41(3), 379-387.[4]Y. Hua, A pencil-MUSIC algorithm for finding two-dimensional angles and polarizations using crossed dipoles, IEEE Trans. on AP, 1993, AP-41(3), 370-375.[5]王建英,陈天麒,频率、二维到达角和极化联合估计,电子学报,1999,27(11),71-74.[6]王建英,曾庆华,陈天麒,用任意阵实现二维到达角和极化的联合估计,电波科学学报,1999,14(4),410-415.[7]王激扬,黄佑勇,陈天麒,空间欠采样信号DOA估计的解模糊算法,电波科学学报,1999,14(4),450-456.[8]王激扬,黄佑勇,陈天麒,任意几何结构阵列下的空间信号频率估计,电子与信息学报,2001,23(5),431-438.[9]黄佑勇,王激扬,陈天麒,一种基于高阶累积量的信号频率和到达角联合估计算法,电子与信息学报,2001,23(2),140-146.
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