| 经验模态分解方法及其实现 |
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| 引用本文： | 刘慧婷,倪志伟,李建洋.经验模态分解方法及其实现[J].计算机工程与应用,2006,42(32):44-47. |
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| 作者姓名： | 刘慧婷 倪志伟 李建洋 |
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| 作者单位： | 1. 合肥工业大学,计算机网络所,合肥,230009;安徽大学,计算机科学与技术学院,合肥,230039
2. 合肥工业大学,计算机网络所,合肥,230009 |
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| 基金项目： | 安徽省自然科学基金;安徽省高校青年教师科研项目 |
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| 摘 要： | 经验模态分解方法可以有效提取非线性非稳定信号的瞬时特征。提出了经验模态分解方法中“筛”过程存在的端点问题、循环终止条件等重要问题的解决方案;并以经验模态分解方法为核心实现了非线性非稳定信号处理系统,在给出该系统如何处理外来信号流程图的同时,对系统界面的功能、生成方法和运算模块的功能、结构进行了详细地阐述。
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| 关 键 词： | 经验模态分解方法 “筛”过程 非线形非稳定信号处理系统 MATLAB |
| 文章编号： | 1002-8331（2006）32-0044-04 |
| 收稿时间： | 2006-01-01 |
| 修稿时间： | 2006-01-01 |
Empirical Mode Decomposition Method and its Implementation |
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| LIU Hui-ting,NI Zhi-wei,LI Jian-yang.Empirical Mode Decomposition Method and its Implementation[J].Computer Engineering and Applications,2006,42(32):44-47. |
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| Authors: | LIU Hui-ting NI Zhi-wei LI Jian-yang |
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| Affiliation: | 1.Institute of Computer Network System, Hefei University of Technology, Hefei 230009, China; 2.School of Computer Science and Technology,Anhui University,Hefei 230039,China |
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| Abstract: | The empirical mode decomposition method can extract the instantaneous characteristics ot the non-linear and non-stationary signals effectively.In the paper,it gives schemes to solve the important problems that should be paid attention to during the sifting process of the EMD,such as the end issue and the terminating condition of the loop.Then it realizes a non-linear and non-stationary signal processing system based on the empirical mode decomposition,which is the core of the system.At last,it gives a flowchart about how the system deals with the signals,meanwhile,the function of the interface,how to make the interface of the system,the function and the structure of the operation modules are expounded particularly. |
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| Keywords: | MATLAB |
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