搜索资源列表
DWT_source_code_(PPT_included)
- Daubechies小波源码,包含PPT讲解-source code for Daubechies wavelet, including PPT presentation
wavelet
- 用于Fortran的小波分析,其中算法参照了经典的参考文献 Torrence, C. and G. P. Compo, 1998: A Practical Guide to Wavelet Analysis-Wavelet analysis for Fortran, in which reference to the classic method of references Torrence, C. and GP Compo, 1998: A Practical Guide to Wavelet
wavelet
- 用于Fortran的小波分析,其中算法参照了经典的参考文献 Torrence, C. and G. P. Compo, 1998: A Practical Guide to Wavelet AnalysisWavelet analysis for Fortran, in which reference to the classic method of references Torrence, C. and GP Compo, 1998: A Practical Guide to Wavelet
bin
- 用于宽带雷克子波中函数的p,q值的变换程序,俞氏子波p,q变换子波主频以及带宽变化(For the transformation program of p and q values of functions in broadband rec wavelet, yu shi wavelet p,q transform wavelet main frequency and bandwidth change)
心电信号检测与分类算法的研究
- (1)心电信号预处理 心电信号是一种低频且含有众多噪声干扰的信号。针对心电信号存在的 噪声干扰问题,本文采用了平稳小波变换结合双变量阈值的方法对其进行去 噪处理。通过对心电信号进行八层平稳小波变换,得到不同的小波系数,采 用双变量阈值函数表达式对其进行处理得到新的小波系数,最后进行逆平稳 小波变换实现小波重构,完成心电信号去噪。Matlab 仿真结果显示,本文算 法的准确率较高,信噪比达到 84.5934dB。 (2)心电信号波形识别 反映心电信号的特征部分往往是信号的突变点,因此需