| 线性时频分析在弱信号检测中的应用 |
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| 引用本文： | 苏峰,曲毅,陈军.线性时频分析在弱信号检测中的应用[J].广西民族大学学报,2004,10(3):63-65. |
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| 作者姓名： | 苏峰 曲毅 陈军 |
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| 作者单位： | 武警南宁指挥学校,教育技术中心,广西,南宁,530023;武警工程学院,通信工程系,陕西,西安,710086 |
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| 摘 要： | 介绍了时频分析理论及线性时频分析方法.将短时Fourier和小波变换用于弱信号的检测并比较了其性能,最后给出了计算机仿真结果.
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| 关 键 词： | 线性时频分析 短时傅里叶 小波变换 弱信号检测 |
| 文章编号： | 1007-0311(2004)03-0063-03 |
| 修稿时间： | 2004年6月20日 |
Linear Time-Frequency Analysis and Its application in Weak Signal Detection |
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| SU Feng,QU Yi,CHEN Jun.Linear Time-Frequency Analysis and Its application in Weak Signal Detection[J].Journal of Guangxi University For Nationalities(Natural Science Edition),2004,10(3):63-65. |
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| Authors: | SU Feng QU Yi CHEN Jun |
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| Institution: | SU Feng~1,QU Yi~2,CHEN Jun~2 |
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| Abstract: | The theory of time-frequency was introduced and two linear methods were also discussed. Weak signal is detected by means of short-time Fourier and wavelet transform methods. Based on comparison, some simulations are given. |
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| Keywords: | Linear time-frequency analysis short-time Fourier transform wavelet transform weak signal detection |
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