[1]于智龙,沈锋.一种在相干信源下的快速DOA估计算法[J].哈尔滨工程大学学报,2019,40(02):318-322.[doi:10.11990/jheu.201807050]
 YU Zhilong,SHEN Feng.Fast direction of the arrival estimation algorithm for coherent sources[J].hebgcdxxb,2019,40(02):318-322.[doi:10.11990/jheu.201807050]
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一种在相干信源下的快速DOA估计算法(/HTML)
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《哈尔滨工程大学学报》[ISSN:1006-6977/CN:61-1281/TN]

卷:
40
期数:
2019年02期
页码:
318-322
栏目:
出版日期:
2019-02-05

文章信息/Info

Title:
Fast direction of the arrival estimation algorithm for coherent sources
作者:
于智龙12 沈锋3
1. 哈尔滨理工大学 自动化学院, 黑龙江 哈尔滨 150080;
2. 哈尔滨工程大学 自动化学院, 黑龙江 哈尔滨 150000;
3. 哈尔滨工业大学 自动化学院, 黑龙江 哈尔滨 150001
Author(s):
YU Zhilong12 SHEN Feng3
1. College of Automation, Harbin University of Science and Technology, Harbin 150080, China;
2. College of Automation, Harbin Engineering University, Harbin 150001, China;
3. College of Automation, Harbin Engineering University, Harbin 150080, China
关键词:
波达方向估计传播因子算法相干信号源空间平滑技术阵列信号
分类号:
TN911.7
DOI:
10.11990/jheu.201807050
文献标志码:
A
摘要:
针对利用信号的协方差特征值分解求取信号的波达方向计算复杂的问题,本文提出了一种基于传播算子方法的空间平滑技术波达方向估计算法。与传统的子空间方法相比,通过简单的线性分割变换来快速估计噪声子空间,避免了传统子空间算法中运算量极大的特征分解,从而降低了运算复杂度。空间平滑技术处理相干信号源具有良好的性能,通过使用双向空间平滑矩阵和它的共轭复数的区别,构造出广义的协方差阵,可以完全消除空间非均匀噪声。仿真结果证明,空间平滑技术与传播因子算法的结合,能够有效地保持平滑技术良好的性能,进一步降低运算复杂度。

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备注/Memo

备注/Memo:
收稿日期:2018-07-11。
基金项目:国家自然科学基金项目(61374208,61673128,61573117);黑龙江省自然科学基金项目(F2015031);哈尔滨市科技创新人才项目(2017RAQXJ069).
作者简介:于智龙,男,副教授;沈锋,男,教授,博士生导师.
通讯作者:于智龙,E-mail:zlyu@hrbust.edu.cn
更新日期/Last Update: 2019-01-30