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exa130401
- 本程序先生成一个“Blocks”信号,然后加上高斯白噪声,再用 db3 小波进行分解, % 以说明信号和噪声在各个尺度上的表现。-this program as a "Blocks" signal, then add white Gaussian noise, reuse db3 wavelet decomposition,% to illustrate signal and noise in various scales performance.
PS2Key
- SMC1602A(16*2)模拟口线接线方式 连接线图: --------------------------------------------------- |LCM-----51 | LCM-----51 | LCM------51 | --------------------------------------------------| |DB0-----P0.0 | DB4-----P0.4 | RW-------P2.5 | |DB1-----P0
wavelet_compress
- 本程序为应用小波变换进行信号压缩。由于本程序涉及到了小波变换的函数,因此可能涉及到一些时频分析工具箱的函数。程序中应用db3小波进行3层分解,选用全局阈值进行阈值处理,即对各高频系数使用同一个阈值,进行阈值处理。
wavelet_matlab
- 小波去噪的matlab程序实现,使用了db3小波,程序有详细注释-wavelet filter, programmed in Matlab
exa130402
- 本程序先生成一个“Blocks”信号,然后加上高斯白噪声,再用 db3 小波进行分解, 以说明三种取阈值方法和三种噪声标志对去噪性能的影响。-This procedure Mr. Cheng a " Blocks" signal, and then adding white Gaussian noise, and then ' db3' wavelet decomposition, to illustrate the three kinds of chec
exa130401
- 本程序先生成一个“Blocks”信号,然后加上高斯白噪声,再用 db3 小波进行分解,-This procedure Mr. Cheng a " Blocks" signal, and then adding white Gaussian noise, and then ' db3' wavelet decomposition,
compression1
- 电能质量数据压缩,基于小波变换的(如Db3 haar)压缩-Power quality data compression, wavelet transform (such as Db3 haar) compression
63535310S4M
- 本程序先生成一个“Blocks”信号,然后加上高斯白噪声,再用 db3 小波进行分解,-The Mr. Cheng Xu as a " Blocks" signal, and then add white Gaussian noise, and then ' db3' wavelet decomposed
xiaobofengjie
- 随机序列生产一维信号 用DB3小波进行二尺度分解 示范了dwt函数的用法 计算重构信号和原始信号的误差-Random sequence to produce one-dimensional signals DB3 wavelet decomposition of two-scale demonstrates the usage of computing functions dwt reconstructed error signal and the original signal
MALLATAlgorithm
- 实现小波分解和重构的Mallat算法,有界面- MallatAlgorithm,a function for Mallat algorithm of Wavelet analysis Inputs :Sequence_Input input sequence to analyze Num Numbers of analysis layers mode style of extension.any sens
128_d_2
- 128点的小波变换,小波函数采用db3,变换过程采用FFT圆周卷积快速实现卷积过程。-128-point wavelet transform, wavelet function using db3 conversion process using the FFT circular convolution convolution process quickly.
Untitled319
- 小波消噪语音增强实例,db3小波五层分解,很典型,适用于初学者~-The the The wavelet denoising speech enhancement instance, db3 wavelet decomposition five-story, very typical, suitable for beginners to
wmm_db3
- 用于信号奇异点检测的代码,db3小波基程序,程序注释清楚-For signal singularity detection code, the the db3 wavelet basis program, the program clearly Notes
exa130402
- 本程序先生成一个“Blocks”信号,然后加上高斯白噪声,再用 db3 小波进行分解-Mr. program into a " Blocks" signal, then add white Gaussian noise, and then the ' db3' wavelet decomposition
Wind-Speed-Combined-Prediction
- 针对风电场短期风速的预测提出一种基于小波变换的组合预测方法。首先利用Mallat 算法对短期风速时间序列进行db3 小波三层分解与重构,得到短期风速时间序列的近似分量和细节分量。针对近似分量和细节分量的不同特性,对近似分量利用粒子群算法优化的最小二乘支持向量机进行预测,对细节分量利用自回归求和滑动平均模型进行预测。最后各预测模型预测值组合叠加得到最终的短期风速预测值。仿真结果表明该方法具有较高的预测准确度。-In order to improve short-term wind speed pr
uniformwhitenoise
- 用db3小波对均匀白噪声进行了五级分解,研究细节部分和近似部分(The uniform white noise sequence is decomposed by db3 wavelet.)
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)