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基于均值的小波阈值去噪方法
Alternative TitleMethod of Wavelet Threshold Denoising Based on Mean Denoising
原志雷; 杜劲松; 毕欣
Department自动化系统研究室
Source Publication控制工程
ISSN1671-7848
2011
Volume18Issue:S1Pages:21-22,85
Contribution Rank1
Keyword小波去噪 阈值函数 均值法 信噪比 去噪方法 小波变换 小波系数 小波阈值 阈值法 重构信号
Abstract对小波变换阈值去噪原理进了介绍,对小波阈值去噪方法中几种阈值函数进行了分析比较,针对这几种阈值函数存在的缺陷,这里将均值法与阈值去噪方法集合到一起,提出一种基于均值的小波阈值去噪方法。该方法滤波之后得到的小波系数不仅连续性好,准确率高,易于重构,且重构后的去噪效果比一般的阈值法去噪效果好。仿真结果表明,其去噪效果相对于一般的阈值去噪法有明显的改进。
Other AbstractWavelet threshold denoising methods are analyzed and compared.The mean denoising method and the threshold denoising method are combined to be an improved method-method of wavelet threshold denoising based on mean denoising,With this method,the wavelet coefficients not only have good continuity and high accuracy but also have a better denoising effect.The simulation results show denoising effects are clearly improved.
Language中文
Document Type期刊论文
Identifierhttp://ir.sia.cn/handle/173321/7598
Collection自动化系统研究室
Corresponding Author原志雷
Affiliation1.中国科学院沈阳自动化研究所
2.中国科学院研究生院
Recommended Citation
GB/T 7714
原志雷,杜劲松,毕欣. 基于均值的小波阈值去噪方法[J]. 控制工程,2011,18(S1):21-22,85.
APA 原志雷,杜劲松,&毕欣.(2011).基于均值的小波阈值去噪方法.控制工程,18(S1),21-22,85.
MLA 原志雷,et al."基于均值的小波阈值去噪方法".控制工程 18.S1(2011):21-22,85.
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