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weinat
- 基于DD算法的先验信噪比估计的维纳语音降噪完整程序,包括语音分帧,动态信噪比估计,噪声估计更新和帧的重构。很完整。-DD algorithm based on a priori signal to noise ratio is estimated that the integrity of the process noise reduction Wiener voice, including voice sub-frame, dynamic signal to noise ratio estim
waveletpaper
- 一大学生编写的基于小波理论的图像重构和降噪演示,理论例程适合初学-image identification by wavelete
wavelet
- 小波分析,包换小波降噪,分解和重构,频谱分析-Wavelet analysis, replacement wavelet noise reduction, decomposition and reconstruction, spectrum analysis
db4
- 1、 降噪步骤: (1) 一维信号的小波分解。选择一个小波并确定分解的层次,然后进行分解运算。 (2) 小波分解高频系数的阈值量化。对各个分解尺度下得高频系数选择阈值进行软阈值量化处理。 (3) 一维小波重构。根据小波分解的最底层低频系数和各高频系数进行一维小波重构。 matlab里面有关于去噪的函数,你可以找一下~~ 这说的只是基本原理,希望有所帮助-1, noise reduction steps: (1) one-dimensional signal wavelet d
小波和小波包降噪
- 进行了小波和小波包滤波的比较,决策树重构,熵的计算(The comparison of wavelet and wavelet packet filtering, decision tree reconstruction and entropy calculation are carried out)
用于信号的EMD、EEMD、VMD分解
- 用于信号的分解、降噪和重构,实现故障诊断(Used for signal decomposition, noise reduction and reconstruction to realize fault diagnosis)