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一种利用信号特点的实值MUSIC算法 被引量：8

Real-value algorithm of MUSIC via exploitation of signal sources property
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摘要 提出了一种实值MUSIC算法来估计波达方向(DOA)。利用BPSK和MASK调制信号为实信号的特点,将阵列上的接收数据用欧拉公式转换为正弦和余弦数据,再将它们进行拼接,增加了数据维数,这相当于将可利用的阵元个数加倍,在此基础上使用实值数据进行MUSIC类波达方向估计。该算法具有精度高、分辨力高和处理信号个数多等优点。仿真实验验证了算法的有效性。 An efficient MUSIC-like algorithm to estimate direction of arrival （DOA） of real signals, such as binary phase shift keying （BPSK） and M-ary ampli-tude shift keying （MASK）, was presented, and a novel measurements eovarianee model was derived in this paper. By utilizing the property of signal sources and Eul- er＇s equation, the array data are transformed to the real sine and cosine data, then are concatenated in tandem. The dimensions of eovariance matrix can be double, this means that the numbers of available sensors are doubled. Therefore, it can provide a more precise DOAs estimation and handle more sources than sensors. Computer simulations illustrate the performance of the proposed algorithm.
作者 冯大政 郑春弟 周祎
机构地区 西安电子科技大学雷达信号处理国家重点实验室
出处 《电波科学学报》 EI CSCD 北大核心 2007年第2期331-335,共5页 Chinese Journal of Radio Science
基金 国家自然科学基金资助项目(No60372049)
关键词 DOA估计 MUSIC 阵列信号处理 direction-of-arrival （DOA） estimation, MUSIC, array signal processing
分类号 TN911.7 [电子电信—通信与信息系统]
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参考文献14

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共引文献1

同被引文献69

  • 1郑春弟,冯大政,周祎.利用信号non-circular特性的信源个数检测算法[J].西安电子科技大学学报,2006,33(3):466-470. 被引量：5
  • 2刘志刚,汪晋宽,薛延波.基于实值分解技术的Unitary Cyclic ESPRIT算法[J].电波科学学报,2007,22(2):219-223. 被引量：1
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引证文献8

二级引证文献23

电波科学学报
2007年 第2期

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