A Cumulant-Based Method to Wideband DOA Estimates

雷中定; 黄绣坤; 张树京; 马承敏

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A Cumulant-Based Method to Wideband DOA Estimates

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- A Cumulant-Based Method to Wideband DOA Estimates
- Acta Electronica Sinica Issue 10, Pages: 45-49(1998)
- 作者机构：
  
  1.   北方交通大学信息所!北京
  2.   100044
  3.   上海铁道大学电信系!上海
  4.   200331
  5.   上海爱利信公司!上海
  6.   200003
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN911.4
- Published：1998
- 稿件说明：
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[1]雷中定,黄绣坤,张树京,马承敏.宽带非高斯信号波达方向的估计方法[J].电子学报,1998(10):45-49.

雷中定, 黄绣坤, 张树京, et al. A Cumulant-Based Method to Wideband DOA Estimates[J]. Acta Electronica Sinica, 1998, (10): 45-49.
[1]雷中定,黄绣坤,张树京,马承敏.宽带非高斯信号波达方向的估计方法[J].电子学报,1998(10):45-49. DOI：

雷中定, 黄绣坤, 张树京, et al. A Cumulant-Based Method to Wideband DOA Estimates[J]. Acta Electronica Sinica, 1998, (10): 45-49. DOI：

摘要

本文提出了一种解决宽带非高斯相干信号波达方向估计的新方法，这种方法是采用阵列频域数据四阶累积量的新颖思想，通过将各频段的四阶累积量聚焦到同一参考频段下来实现的.它不仅能获得高斯噪声环境下非高斯宽带相干信号的高分辨率方向估计，同时，对于非高斯噪声环境也具有很好的估计性能，且不需要有关噪声的原始分布的先验知识.文中还通过计算机仿真实验对该方法进行了性能分析，验证了方法的有效性.

Abstract

A cumulant-based method is presented to estimate the DOA of non-Gaussian wideband sources.It is efficient even in the non-Gaussian noises environment without a priori knowledge of powerspectral density of the noises.

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