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yuanzhu_zhengfang_Z
- 平面波展开法计算声子晶体，单包为正方形，散射体为圆形状(Calculation of phononic crystal by plane wave expansion method. A single packet is a square, and the scatterer is a circle shape.)
互信息法求延迟时间
- 自编通过互信息法求取混沌时间序列的延迟时间，亲测可用，压缩包内两个函数需要互相调用一下，可自行修改(The delay time of chaotic time series can be calculated by mutual information method, which can be used for personal measurement. The two functions in the compressed packet need to be called each othe
ActupV2.2L by 东泰山
- 压缩包里面有详细的操作步骤，真的是特别好的资源，研究水声通信的可以参考着看一下~~(Compressed packet contains detailed operation steps, which is really a very good resource. The study of underwater acoustic communication can be referred to take a look.)
Denoisewp
- 运用小波包分解功能对含噪信号降噪，剔除干扰噪声，提高信号信噪比。(The function of wavelet packet decomposition is used to denoise the noisy signal, eliminate the interference noise and improve the signal-to-noise ratio.)
负荷预测算法包
- 负荷包预测算法，里面有SVM的详细说明，欢迎大家一起讨论(Load packet prediction algorithm, there is a detailed descr iption of SVM, welcome everyone to discuss)
function wpt
- 小波包分解与重构，实际应用很实用，matlab可以很好运行(Wavelet Packet Decomposition and Reconstruction)
emd
- Emd分解，通过峭度和相关系数选择IMF，进行信号重构，小波分解，小波包分解。(Emd decomposition, selecting IMF by kurtosis and correlation coefficient, signal reconstruction, wavelet decomposition, wavelet packet decomposition.)
demo
- 该算法是基于小波包变换能量率--BP神经网络进行机械轴承故障分析，提供了3种轴承故障及正常运营数据，包括Normal.mat 正常轴承数据 +Inner.mat 内圈故障数据+Outer.mat 外圈故障数据+Ball.mat 滚动体故障数据(This algorithm is based on the wavelet packet transform energy rate --BP neural network for mechanical bearing fault analysis, p
xiaobo
- 对故障数据的小波包分解与信号重构、小波包能量特征提取 暨 小波包分解后实现按频率大小分布重新排列，并进行降噪处理。(After wavelet packet decomposition and signal reconstruction, wavelet packet energy feature extraction and wavelet packet decomposition, the fault data can be rearranged according to the frequ
小波包能量可视化和GUI设计
- 特色：1.借用小波包分解和小波能量熵函数；2.GUI界面导入西储大学轴承故障数据；3：对提取小波能量方便快捷(Features: 1. Use wavelet packet decomposition and wavelet energy entropy function; 2. GUI interface to import bearing fault data of Xichu University; 3. It is convenient and fast to extract wavel
dt-cwt
- 能够实现双树复小波包变换，有一段仿真例子可以供大家参考(Realization of dual tree complex wavelet packet transform)
小波包变换代码
- 对脑电信号进行5层小波包分解，提取相应的节律波(The EEG signal was decomposed by 5-layer wavelet packet to extract the corresponding rhythmic wave)
cal_waveletfeature
- 计算小波包特征，小波分解得到能量比、小波熵。小波熵是一个统称，不是一种具体的熵算法。(The wavelet packet features are calculated, and the energy ratio and wavelet entropy are obtained by wavelet decomposition. Wavelet entropy is a general term, not a specific entropy algorithm.)
小波熵
- 小波熵求解，小波包分解，4是层数，db3为小波基，参数可改(wavelet entropy,wavelet packet decomposition,the number of layers is 4,db3 is the wavelet basis, parameters can be changed)