| 基于互相关和最大似然估计的弱信号检测 |
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| 引用本文： | 吕振肃,熊景松.基于互相关和最大似然估计的弱信号检测[J].武汉科技大学学报(自然科学版),2007,30(4):398-400. |
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| 作者姓名： | 吕振肃 熊景松 |
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| 作者单位： | 兰州大学信息科学与工程学院,甘肃,兰州,730000 |
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| 摘 要： | 弱信号检测一直以来是人们研究的热点，如何从强噪声环境下提取有用的信号非常关键。简单介绍互相关检测的原理及最大似然理论，并在此基础上，提出了将互相关检测与最大似然理论相结合检测弱信号的新方法。仿真结果表明，此方法是可行的。
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| 关 键 词： | 互相关检测 最大似然理论 新方法 |
| 文章编号： | 1672-3090（2007）04-0398-03 |
| 修稿时间： | 2007-01-08 |
Weak signal detection based on cross-correlation and maximum likelihood estimation |
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| Lu Zhensu,Xiong Jingsong.Weak signal detection based on cross-correlation and maximum likelihood estimation[J].Journal of Wuhan University of Science and Technology(Natural Science Edition),2007,30(4):398-400. |
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| Authors: | Lu Zhensu Xiong Jingsong |
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| Institution: | School of Information Science and Engineering, Lanzhou University, Lanzhou 730000, China |
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| Abstract: | Weak signal detection has been a hot research topic, and how to obtain useful signal from strong noise setting is strategically significant in weak signal detection. This paper introduces cross- correlation detection theory and maximum likelihood theory and based on the two theories, puts for ward a new method for weak signal detection. Computer simulation suggests that the proposed method is feasible. |
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| Keywords: | cross-correlation detection maximum likelihood theory new method |
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