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应用加权法处理EMD方法中的边界问题 被引量:5

Dealing with the End Issue of EMD Based on Weighing
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摘要 经验模态分解(EMD)是一种非常有效的非平稳信号处理技术,但是其利用样条曲线构造信号上下包络线的过程中存在严重的端点问题。本文在已有的算法基础上提出了一种基于加权的方法对边界进行处理,由加权法得到原始信号两端极值点,利用三次样条函数得出上下包络线,实现信号的分解。仿真表明,此方法有效地处理了经验模态分解方法中的边界问题。
出处 《计量与测试技术》 2008年第8期34-36,共3页 Metrology & Measurement Technique
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参考文献7

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二级参考文献17

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