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米波圆阵雷达全向测角算法及其性能分析 被引量：2

Omni-directional angle measurement algorithm of meter-wave circular array radar and its performance analysis
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摘要 基于均匀圆阵的相位模式激励提出了一种实用的全向测角算法。在互耦矩阵为对称Toeplitz矩阵的情况下,该方法可以消除天线阵元间互耦的影响并通过解模糊可以实现全方位测角。通过对该方法中固有误差、噪声和通道幅相不一致等对测角精度影响的理论分析,得到了各种因素与测角精度间的显式关系,进而可以为阵列参数的选择和根据测角精度要求提出对各种因素的约束指标提供参考。仿真结果验证了理论分析在相应条件下的正确性。 A practical omni-directional angle measurement algorithm based on phase mode excitation of the uniform circular array is proposed. The effect of mutual coupling between antennas to angle measurement could be neglected in this algorithm if the mutual coupling matrix is a symmetrical Toeplitz matrix and the omni-direc-tional measurement can be implemented by solving the ambiguity. The quantitative relationships between the accuracy of the angle measurement and several kinds of factors such as the system error, the noise and the unbal-ance of the amplitude and phase among the channels are deduced so that there are some references for how to se-lect the parameters of the array and how to restrict unfavorable factors according to the requirement of the accu-racy of angle measurement. The simulation results demonstrate that the theoretical analysis is legitimate under the corresponding conditions.
作者 田超 文树梁
机构地区 北京无线电测量研究所
出处 《系统工程与电子技术》 EI CSCD 北大核心 2013年第12期2507-2512,共6页 Systems Engineering and Electronics
关键词 米波圆阵雷达 全向测角 相位模式激励 性能分析 meter wave circular array radar omni-directional angle measurement phase mode excitationperformance analysis
分类号 TN95 [电子电信—信号与信息处理]
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参考文献11

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同被引文献21

  • 1李颖,黄晓涛,周智敏.幅相误差对均匀圆阵列系统性能的影响[J].雷达科学与技术,2005,3(2):123-128. 被引量：7
  • 2施龙飞,王雪松,肖顺平,徐振海.干扰背景下雷达最佳极化的分步估计方法[J].自然科学进展,2005,15(11):1324-1329. 被引量：13
  • 3苏保伟,王永良,李荣峰,周良柱.阻塞矩阵方法对消主瓣干扰[J].系统工程与电子技术,2005,27(11):1830-1832. 被引量：50
  • 4CHEN B X,ZHAO G H,ZHANG S H.Altitude Mea- surement Based on Beam Split and Frequency Diversity in VHF Radar[J].IEEE Transactions on Aerospace and Electronic Systems,2010,46(1):3-13.
  • 5MATHEWS C P,ZOLTOWSKI M D.Eigenstructure Techniques for 2-D Angle Estimation with Uniform Cir- cular Arrays[J].IEEE Transactions on Signal Process- ing,1994,42(9):2395-2407.
  • 6PESAVENTOAND M,BOHME J F.Direction of Arrival Estimation in Uniform Circular Arrays Composed of Di- rectional Elements[C].Proc of Sensor Array and Multi- channel Signal Processing Workshop Proceedings,2002:503-507.
  • 7GOOSSENS R,ROGIER H.A Hybrid UCA-RARE/Root-MUSIC Approach for 2-D Direction of Arrival Esti- mation in Uniform Circular Arrays in the Presence of Mutual Coupling[J].IEEE Transactions on Antennas and Propagation,2007,55(3):841-849.
  • 8WANG BH,HUI H T,LEONG M S.Decoupled 2D Direction of Arrival Estimation Using Compact Uniform Circular Arrays in the Presence of Elevation-Dependent Mutual Coupling[J].IEEE Transactions on Antennas and Propagation,2010,58(3):747-755.
  • 9LU Zu-kun,JIANG Hong,GAO Ying.Amplitude and Phase Errors Self-Correcting Algorithm Based on the Uniform Circular Array[C]//Proc of 2nd International Conference on Computer Science and Network Technolo- gy,Changchun,2012:136-140.
  • 10DU Yong-xing,XI Xiao-Ii,XI Wen-jing.The Correc- tion of Mutual Coupling and the Amplitude and Phase error Based on Digital Beamforming Receiving Antenna[C]//Proc of 10th International Symposium on Anten- nas,Propagation & EM Theory,2012;231-233.

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系统工程与电子技术
2013年 第12期

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