搜索资源列表
TFRVIEW
- 时频表示的可视化函数，将信号的视频图做出
chengxu 按心电信号画出信号时域波形和频谱图
- 1．找点一段心电信号，画出信号时域波形和频谱图； 2. 利用MATLAB中的随机函数产生噪声加入到心电信号中，使心电信号被污染，读出污染后的号并画出对应信号的时域波形和频谱图； 3．用双线性变换法设计一个Butterworth带通滤波器，输出所设计的滤波器的阶次，分子、分母多项式的系数，画出滤波器的频率响应（幅频响应和相频响应）曲线；（也可以根据自己需要设置滤波器性能指标） 带通通滤波器设计性能指标：fs1=10Hz, fp1=20Hz, fp1=1000Hz, fs2=120
xiaobo
- 用小波分析方法做时频图，这是一个例子，做信号分析的时候比较有用-Method using wavelet analysis of time-frequency map, which is an example of signal analysis to do more useful when
plot_3d
- 经过EMD分解后时频分析的三维时频谱图，可直接调用-EMD of three-dimensional time frequency spectrum diagram, which can be directly called.
GrayGradinet
- 压缩包里有机械故障：内环故障、外环故障、正常工况的时频图，压缩包里的程序可以识别出三种故障，效果较好。-Compression bag has a mechanical failure: the failure of the inner ring, outer ring fault, the normal conditions of the time-frequency diagram, the the compressed bag program can identify three faul
TFRVIEW
- 时频表示的可视化函数，将信号的视频图做出-Time-frequency representation visualization function, the signal to the video map
TFRVIEW
- 时频表示的可视化函数，将信号的视频图做出-Time-frequency representation visualization function, the signal to the video map
xiaobo_shipin
- 对仿真信号进行复morlet小波变换后，绘制的时频图。-After the simulated signal multiplexing morlet wavelet transform, time-frequency diagram drawn.
FIGURE
- 一个画图程序，功能根据已有数据画出数据的时域图，频域图，折射率-A program of matlab figure
STFT
- 短时傅里叶变换的例子，运行处信号图和三维时频分析图-Examples of short-time Fourier transform, while running at a frequency signal and three-dimensional analysis chart
wavelet.
- 用于生成时间序列分析的周期，包括时频图，模，模方，方差图-Cycle for generating time-series analysis, including time-frequency diagram, die, die side, variogram
Chirplet
- 基于维格纳分布的Chirplet变换，可用于信号的处理分析，形成时频图。-Based on Wigner distribution Chirplet conversion, it can be used for analysis of the signal processing, the formation frequency diagram.
小波变换
- 小波时频图 cwt连续小波变换 Matlab Wavelet 工具箱的使用(Wavelet time-frequency diagram, CWT continuous wavelet transform, Matlab Wavelet toolbox)
matlab小波分解时频分析
- 传统的傅立叶变化只能分析时域、频域图，而小波变化能进行时频分析，对信号进行更好的处理。(The traditional Fourier transform can only analyze the time domain and frequency domain diagram, while the wavelet transform can carry on the time-frequency analysis and better deal with the signal.)
vnolbnx-can
- 时频分析工具箱,需要的人可以试试,还不错 不错的源码 很好(The time-frequency analysis toolbox, those who need it can have a try, good good source is very good)
Wavelet time-frequency diagram
- Wavelet time-frequency diagram
HHT时频图的问题
- HHT时频图画法，在信号处理方面很受用。(HHT time frequency drawing is very useful in signal processing.)
小波时频
- 使用连续小波计算时频图，得到频率均匀分布的时频图(Using Continuous Wavelet to Calculate Time - Frequency Graph)
add_noise_pinyutu
- 进行纯净信号和加噪信号的时频域显示，及其包络图显示，并计算加噪信号的信噪比、互相关系数、峭度值，对信号进行离散余弦变换。(The time-frequency domain display of pure signal and noise-added signal and its envelope diagram display are carried out, and the signal-to-noise ratio, correlation coefficient and kurtosis
Untitled_jian
- 对信号数字文件进行时频图绘制并进行非线性分析(The time, frequency-domain graph of signal digital file is drawn and non - linear analysis is performed)