| 传播算子方法在宽带DOA估计中的应用 |
| |
| 引用本文： | 于红旗,刘剑,黄知涛,周一宇.传播算子方法在宽带DOA估计中的应用[J].航天电子对抗,2008,24(2):43-46. |
| |
| 作者姓名： | 于红旗 刘剑 黄知涛 周一宇 |
| |
| 作者单位： | 国防科技大学电子科学与工程学院,湖南,长沙,410073 |
| |
| 摘 要： | 将传播算子与宽带相干信号子空间方法相结合,推导了基于传播算子的宽带相干信号子空间方法,该方法所构造的聚焦矩阵不需要奇异值分解,在获取噪声子空间时不需要特征值分解,因而大大降低了运算量.比较了双边变换(TCT)方法与所推导的方法在分辨两个相邻较近信号源时的性能,仿真表明,在高信噪比时,该方法性能与TCT方法相近.
|
| 关 键 词： | 阵列信号处理 波达方向估计 宽带信号 相干信号子空间方法 传播算子方法 |
Application of propagator method in wideband direction-of-arrival estimation |
| |
| Yu Hongqi,Liu Jian,Huang Zhitao,Zhou Yiyu.Application of propagator method in wideband direction-of-arrival estimation[J].Aerospace Electronic Warfare,2008,24(2):43-46. |
| |
| Authors: | Yu Hongqi Liu Jian Huang Zhitao Zhou Yiyu |
| |
| Institution: | Yu Hongqi,Liu Jian,Huang Zhitao,Zhou Yiyu(College of Electronic Science , Engineering,National University ofDefense Technology,Changsha 410073,Hunan,China) |
| |
| Abstract: | A new DOA estimation algorithm for wideband sources is introduced.The method is based on the combination of propagator method and coherent signal subspace method.The focusing matrix of the new method needn't singular value decomposition.When getting noise subspace,the new method needn't eigenvalue decomposition.The method for resolving two closely spaced sources is compared with the two-sided correlation transformation(TCT) method.Simulation results demonstrate the performance of the method is near that of ... |
| |
| Keywords: | array signal processing direction-of-arrival estimation wideband sources coherent signal subspace method propagator method |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
|
