搜索资源列表
001-WavepacketPpowerPLibSVM-and-ANN
- 小波包分解+频带能量计算+libsvm&ANN分类-Wavelet packet decomposition + band energy calculation+libsvm & ANN classification
Wavelet-Entropy
- 文中从小波变换的角度出发,通过在尺 度域上对信号能量的一种划分,引入了小波能谱与小波熵作为信号特征提取的特征量来反映系统信号的统计特征。实验结果表明,该算法能有效提取弹丸激波信号特征,速度快、准确率高,而且具有对噪声不敏感的优势。 -Paper, starting from the point of view of the wavelet transform, introduced by a division of the signal energy scale domain, wave
xiaobotiqunengliang
- 使用小波提取信号的能量特征，同时伴有强制消噪。-Use the the wavelet extracted signal energy characteristics, accompanied by mandatory de-noising.
sampleEntropy11
- 对轴承故障信号进行小波包分解，重构能量最大的频段信号，并对该重构信号计算样本熵-Decomposing the bearing fault signal using waveletpackage method ,and reconstruct the maximum energy frequency band ,and then accumulate the sample entropy of the reconstructed signal
waveletfenxi.m
- 用matlab实现小波包能量分析，可以提取特征信号-Wavelet Packet Energy Analysis
OJ1211010001486B9EbH
- 基于局部能量与模糊逻辑的红外偏振图像融合，该文与小波包，支持向量机等融合算法进行对比分析，说明该文算法的优势。-Infrared polarization image fusion based on local energy and fuzzy logic, this paper, wavelet packet, support vector machines and other fusion algorithm comparison analysis to illustrate the adv
wavedec2
- 小波阈值消噪程序，能量谱分析，希望能帮助大家-Wavelet threshold denoising procedures, energy spectrum analysis, we hope to help
FSWT
- 频率切片小波变换程序（FTWT），matlab的m文件。从一种新的角度出发，通过自由选择频率切片函数、引进新尺度参数，在频率域实现小波变换，该变换能够很好地刻画信号各成分之间的相对能量关系。此外，频率切片小波变换的时频窗中心频率就是观测频率，而无需进行尺度换算。-Frequency slice wavelet transform procedures (FTWT), matlab m file. Starting from a new angle, through freely chosen f
xiaobo
- 关于小波变换能量谱的程序，用于神经网络的输入接口-Wavelet packet energy spectrum
wavelet-analysis-of-several-section
- 单个文件分段小波分解能量分率，单个文件分段小波分解能量分率-Single file segmentation wavelet decomposition energy fraction
wavelet-energy
- 小波变换获得细节和逼近子图，再求子图能量 用L1范数来求-wavelet transform energy
XIAOBOFJ
- 该程序可以实现对信号的小波分解、重构及各频带能量比分析-The program can achieve signal wavelet decomposition and reconstruction and the band energy than
paper-of-VAD
- 语音端点检测的各种论文，包括MFCC、过零率、短时能量、小波以及谱熵等方法，对编写语音VAD算法有很大的帮助-Speech endpoint detection in a variety of papers, including MFCC, zero-crossing rate, short-term energy, wavelet and spectral entropy method, write voice VAD algorithm of great help
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- 对重分配小波尺度谱存在着时、频分辨率不能同时达到最佳及当振动信号中存在着能量较大的噪声时会降低其时频分布可读性的缺陷，提出一种基于参数优化和奇异值分解(SVD)提高重分配尺度谱时频分布可读性的方法。首先利用Shan— non熵方法优化重分配尺度谱基函数的时间．带宽积(TBP)，克服其时、频分辨率不能同时达到最佳的缺陷，再对重分配尺度谱 进行SVD降噪降低噪声干扰影响，提高时频分布的可读性。最后用该方法对仿真信号和滚动轴承故障信号进行了分析，结果表明该方法的时频聚集性更好，抗噪能力更强，能
VoiceUnvoice2
- 使用haar小波进行清音与浊音的分离,使用短时能量-Using Haar Wavelet to seperate voice and unvoice speech signal
6.14-6.21
- Tent 的生成程序以及对其进行小波分析，可以观察到他的能量主要集中带在那个范围。-Generator of Tnet and the wavelet analysis, can observe his energy mainly concentrated in the range.
waveletfenxi
- 小波分析信号能量的实例代码,可显示信号的功率谱,matlab实现-Wavelet analysis of signal energy code examples, can display the signal power spectrum, matlab achieve
xiaobobaonengliangfenxi
- 小波包提取滚动轴承故障能量特征的matlab程序，大家只要把采集的滚动轴承振动信号数据放入程序中即可使用，希望对大家有所帮助。-Bearing Fault wavelet packet energy feature extraction matlab program, we just put a rolling bearing vibration signal collected data into the program to use, we want to help.
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- 论述了小波包分解及其能量谱处理发动机连杆轴承故障的原理与方法, 结合传统断火诊断法的思想,应用小波包能量谱直观地识别出故障的特征频带, 并进行量化分析, 结果证明了这种方法比传统的付立叶分析方法具有更大的优越性及现实的应用价值-Discussed and wavelet packet energy spectrum processing engine connecting rod bearing failure principles and methods, combined with trad
xiaobobaoju
- 小波包能量巨程序（已做归一化处理，用于对振动信号提取特征）-Wavelet packet energy giant program (normalization process has been done for the vibration signal feature extraction)