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time_index1.rar
- 刀具在线监测故障信号的时域频域时频域特征提取matlab程序 ,Tool-line monitoring of fault signals in time domain frequency domain time-frequency domain feature extraction procedures matlab
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- 轴承全寿命数据的各种时域频域特征提取，包括17个时域和13个频域特征-Bearing a variety of life-cycle data in time domain frequency domain feature extraction
Untitled
- 基于ＭＡＴＬＡＢ的小波分析应用：运用小波的时域、频域特征对摩托车发动机故障诊断和齿轮点蚀故障诊断-Wavelet analysis of MATLAB-based applications: the use of wavelets in time domain, frequency domain characteristics of motorcycles engine fault diagnosis and fault diagnosis of gear pitting
GaborFeature
- Gabor变换属于加窗傅立叶变换，Gabor函数可以在频域不同尺度、不同方向上提取相关的特征。另外Gabor函数与人眼的生物作用相仿，所以经常用作纹理识别上，并取得了较好的效果。-Gabor transform is windowed Fourier transform, Gabor functions in the frequency domain at different scales and different directions to extract relevant features
RickerWaveletsSpectrum
- 产生一个雷克子波组的时域和频谱特征，用以演示雷克子波的时域和频域特征。-Generated the Ricker wavelets of time domain and spectral characteristics, to demonstrate the Ricker wavelets time domain and frequency domain characteristics.
tezhengtiqu
- 此程序简单实用，用于数据的特征提取。选取了波形因子、峭度、频段带能量百分比等时域频域特征量。-This procedure is simple and practical, for data feature extraction. Select form factor, kurtosis, band band energy percentage frequency domain characteristics.
Matlab-wavelet-noise-removal
- 小波去噪程序，根据信号的频域特征对信号进行小波分解，然后去噪-program for artifact removal, this function is obtained based on the frequency feature of signal.
time-frequency-feature
- 此代码用于故障诊断特征提取，所提取特征包括传统时、频域特征和时频特征三部分，数据为轴承数据-This code is used when troubleshooting feature extraction, the extracted features, including traditional, frequency domain and time-frequency characteristics of three parts, the data is bearing data
pinyutezheng
- 一维信号频域特征提取，可用于轴承故障诊断和趋势预测-Wherein the one-dimensional frequency domain signal extraction, can be used to predict bearing Fault Diagnosis and
时频域统计特征
- 信号的时频域统计特征，可用于后续模式识别,特征选择，特征提取。(The time-frequency statistics of the signal can be used for subsequent pattern recognition.)
inverse_st
- 广义S变换及其逆变换，用于对非平稳信号进行时频分析，研究信号的频域特征随时间的变化情况(The generalized S transform and its inverse transform are used to analyze the time-frequency of nonstationary signals and study the change of frequency domain characteristics with time.)
voice_wav_frequency
- matlab语音信号分析时域频域，加窗，降噪滤波，端点检测，时域特征和频域特征提取(Matlab speech signal analysis in time domain, frequency domain, windowing, denoising, filtering, endpoint detection, time domain feature and frequency domain feature extraction.)
matlab
- 拉普拉斯特征映射,最大差异展开，时频域特征(Laplacian Eigenmap Maximum difference expansion Fast Maximum difference expansion ISOMAP)
ecg_features-matlab
- 用于提取心电信号的特征，包含时域，频域，RR interval相关特征(used for ECG signal feature extraction, including time domain, frequency domain and RR interval related features)
特征提取
- matlab程序，用于提取脑电数据的五种频域特征指标数值(matlab code, Five Frequency Domain Characteristic Index Values for Extracting EEG Data)
脉搏波信号提取
- 对脉搏信号进行滤波处理后，再进行时域分析和频域分析，提取出脉搏信号的周期、峰值、频率等特征。(After filtering the pulse signal, time domain analysis and frequency domain analysis are carried out to extract the characteristics of pulse signal such as period, peak value and frequency.)
时域频域29个特征提取
- 利用matlab提取出频域和时域信号的29个特征(Using MATLAB to extract 29 features of frequency and time domain signals)
时域频域29个特征提取
- 利用matlab提取出频域和时域信号的29个特征，主运行文件feature_extraction，fre_statistical_compute和time_statistical_compute分别提取频域和时域的特征，生成的29个特征保存在生成的feature矩阵中。(Using MATLAB to extract 29 features of frequency-domain and time-domain signals, the main running files feature ex
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.)
肌电信号处理
- 表面肌电信号处理的matlab程序，包括带通滤波、50Hz陷波滤波程序，以及计算时域、频域的指标iMEG、RMS ， MF、MPF(The matlab program of sEMG signal processing includes band-pass filter, 50 Hz notch filter program, and calculation of time and frequency domain index IMEG, RMS, MF, MPF)