| 基于正交子空间波达方向的新算法 |
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| 引用本文： | 韩仲祥,夏军利.基于正交子空间波达方向的新算法[J].空军工程大学学报,2002,3(4):30-32. |
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| 作者姓名： | 韩仲祥 夏军利 |
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| 作者单位： | 空军工程大学电讯工程学院 陕西西安710077
(韩仲祥)，空军工程大学电讯工程学院 陕西西安710077(夏军利) |
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| 摘 要： | 将实际接收到的多个无线信号进行合理的假设，建立数学模型，取得信号的协方差方程及协方差方程的特征子空间，同时引入噪音的协方差方程与噪声空间分析讨论，结合软件编程，提出一种低信噪比、短时数据情况下估计多个信号波达方向的新方法。
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| 关 键 词： | 功率谱 传感器 方向角 特征子空间 |
| 文章编号： | 1009-3516(2002)04-0030-03 |
| 修稿时间： | 2001年10月24 |
A New Method Based on Orthogonal Subspace for Estimation of the Direction of Signals |
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| HAN Zhong - xiang,XIA Jun - li.A New Method Based on Orthogonal Subspace for Estimation of the Direction of Signals[J].Journal of Air Force Engineering University(Natural Science Edition),2002,3(4):30-32. |
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| Authors: | HAN Zhong - xiang XIA Jun - li |
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| Abstract: | This paper presents a new method in estimating the direction of more signal waves under conditions of low signal-to-noise ratio and short data. Simultaneously in the paper first some reasonable assumptions are given, then the mathematical model is created. Through deduction the covariance equation of the signal and the character subspace are obtained, at the same time, the covariance equation of noise and the noise space should also be taken into consideration. |
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| Keywords: | power spectrum sensor directional angle characteristic subspace |
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