搜索资源列表
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
shipinyu
- 该Matlab算法,可以实现振动数据的文件的读取,进而可以进行时频分析,得到信号特征值-The Matlab algorithm can achieve vibration data of the document read, in turn, can be time-frequency analysis, Signal Characteristics
tfagui
- 对信号进行自适应核二次型时频分布变换,显示信号的时频特征-Adaptive signals nuclear quadratic transform time-frequency distribution, indicating the time-frequency characteristics
5
- 借助小波变换在时频分析上的优点,提取地面运动目标的回波信号特征在目标识别中加以运用-With wavelet transform in time-frequency analysis of the advantages of extracting ground moving target echo signal characteristics to be used in target recognition
hilbert_pu
- 对仿真的非平稳信号进行Hilbert-Huang变换,分析信号的时频特征。-The simulation of non-stationary signals, Hilbert-Huang transform analysis of time-frequency characteristics.
ECGmonitoring
- 小波变换是一种信号的时间—尺度分析方法,它具有多分辨率分析的 特点,而且在时频两域都具有表征信号局部特征的能力。由于其在信号处 理领域表现出的优异性能,目前在生物医学领域,广泛应用于信号检测、 特征提取、图像处理、信号压缩等方面。 -Wavelet transform is a signal of the time- scale analysis method, it has the characteristics of multi-resolution analysis, bu
WignerVille
- Winger-Ville分布计算程序,是对信号的瞬时相关函数的傅里叶变换,它的结果能够反映信号的时频特征-Winger-Ville distribution calculation procedure is the correlation function of the instantaneous signal Fourier transform, it can reflect the results of the frequency characteristics of the signal
time_domain_features
- MATLAB进行信号的时频特征分析,主要用于对语音信号的分析。-time-frequency characteristics of signal analysis by MATLAB
stft
- 利用时频分析的方法分析一段语音信号的时频特征,并进行降采样等处理,可直接运行-When the time-frequency analysis method to analyze the frequency of use of a voice signal characteristics, and down-sampling and other treatment, can be directly run
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
timefrequence
- 高压断路器振动信号时频特征分析,STFT变换以及功率谱,matlab代码-High voltage circuit breakers,STFT
CharacterDistill
- 常用的时频信号处理算法,用于机械部件的故障特征提取(fault feature extraction)
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.)
3.6改进型数字图像中直线特征的快速检测方法
- 为提高数字图像中的直线的检测速度,从时频域变换和空间域变换两个角度出发,提出了一种改进型数字图像中直线快速检测方法。(In order to improve the detection speed of straight lines in digital images, an improved method for fast line detection in digital images is proposed from two angles of time frequency domain
VMD_SET
- 时频聚焦 能够提取与原信号最为相关的时频特征信息,剔除能量发散的不相关信息(time frequency energy focusing)
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.)
time_frequency_analysis
- 基于实测信号,进行时频分析,同时了解时域频域特征(Based on the measured signal, time-frequency analysis is carried out, and time domain and frequency domain characteristics are also understood.)
振动信号时域频域特征(带测试数据)
- 针对信号的时域特征和频域特征提取,带测试数据,能够运行(According to the time-domain and frequency-domain feature extraction of signals, the system can run with test data.)
时域特征和频域特征
- MATLAB的轴承故障时域特征和频域特征提取(Bearing fault time domain feature and frequency domain feature extraction)