| 基于框架理论的非正交小波降噪方法研究 |
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| 引用本文： | 林刚,王宏军.基于框架理论的非正交小波降噪方法研究[J].微电子学与计算机,2007,24(11):92-94. |
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| 作者姓名： | 林刚 王宏军 |
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| 作者单位： | 1. 西安航空职业技术学院,电工系,陕西,西安,710089;中国飞行试验研究院,陕西,西安,710089
2. 西安航空职业技术学院,电工系,陕西,西安,710089 |
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| 摘 要： | 将正交小波降噪的阈值处理方法引入到非正交小波降噪过程中,提出了Hilbert空间中基于框架的非正交小波阈值降噪方法。该方法由于对尺度和时间的冗余抽样,所以能将信号尺度特征和锐变位置更精确定位,成为信号降噪处理的一个有效途径。
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| 关 键 词： | 框架理论 非正交小波 降噪 |
| 文章编号： | 1000-7180（2007）11-0092-03 |
| 修稿时间： | 2006-11-12 |
Studying of Non-orthogonal Wavelet Denoising Method Based on the Frame Theory |
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| LIN Gang,WANG Hong-jun.Studying of Non-orthogonal Wavelet Denoising Method Based on the Frame Theory[J].Microelectronics & Computer,2007,24(11):92-94. |
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| Authors: | LIN Gang WANG Hong-jun |
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| Abstract: | Using the threshold processing method of orthogonal wavelet in non-orthogonal wavelet denoising process, we proposed the non-orthogonal wavelet thresholding denoising algorithm based on frame theory in Hilbert spaces, and because the redundancy sample of the scale and time, we believe the algorithm can get a more accurate localization to the signal's scale characterization and the position of acute change, and it will be an effect way of one signal's denoising process. |
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| Keywords: | frame theory non-orthogonal wavelet denoising |
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