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cwt_dwt
- 一维连续和离散小波变换（对matlab中所自带的noissin信号进行连续和离散小波变换）-One-dimensional continuous and discrete wavelet transform (for matlab in noissin own signal continuous and discrete wavelet transform)
041011
- 连续小波变换。noissin 是MATLAB中带噪声的正弦信号。本程序给出的是连续小波变换的灰度图表示。-little wave
DCTbianhuan
- 调用noissin.dat的数据，对其做一维DCT及逆DCT，研究对DCT的结果舍去不同点数后的重建情况-Call noissin.dat data, do their one-dimensional DCT and inverse DCT, the results of research on the DCT rounding after the reconstruction of different points
noissin
- 产生正弦信号，加入高斯白噪声，并用小波方法去噪-Produce sine signals, add white gaussian noise, and wavelet denoising method
haar-noissin-
- 分别用haar 小波和db2 小波对noissin 信号进行一维离散小波分解-haar db2 noissin