搜索资源列表
Matlab谱图(spectrogram)函数
- 可用于替代Matlab自带谱图计算函数，提供更好的效果与多种绘图样式。
PWVD
- 时频分析中重要的wignal分布的离散化过程，并附带时频图。-Time-frequency analysis the important wignal distribution discrete process, along with the time-frequency diagram.
3
- 产生线性调频信号，Matlab仿真实现雷达线性调频信号，并表现出线性调频信号的时域图和幅频、相频图-LFM signal generation, Matlab simulation of radar chirp signal, and the performance of a linear FM signal in time domain and amplitude frequency diagram, phase-frequency diagram
spect
- 计算时频图，功率图的程序，运用在matlab里面。可以很好的实现图形-Computing time-frequency map, power map program, use the matlab inside. Can achieve a good graphics
EMD
- 一种适合入门者的EMD程序，能画出频谱图和IMF的时频图-an easy EMD program
show-the-actual-time-frequency-OF
- 在matlab中 显示hht变换后的实际时频图-show the actual time-frequency diagrams after HHT transform
EMD_matlab
- 信号源的emd分解，得到imf分量，以及imf分量的时频图。-The signal source EMD decomposition, the IMF component, as well as the imf component time-frequency diagram.
emd
- 用matlab写的经验模式分解程序。可作希尔伯特-黄变换，画时频图。-Empirical mode decomposition process Written by matlab .It Can be used for Hilbert- Huang Transform and time-frequency analysis.
Hilbert-Huang-Transform
- 信号的希尔伯特-黄变换，IMF分解，对IMF进行Hilbert处理，绘制二维/三维时-频图，时间-能量图(瞬时能量谱) ，频率-能量图（希尔伯特谱）-Hilbert signals- Huang Transform, IMF decomposition of the IMF Hilbert processing, rendering 2D/3D time- frequency diagram, time- energy (instantaneous energy spectrum), the f
wigner-fft
- 读取信号进行时频分析，wigner时频图和fft频谱图-When reading the signal frequency analysis, time-frequency diagram and fft spectrum wigner
frequency-hopping-spread-spectrum
- 跳扩频信号的时频分析，对研究信号检测与参数估计的非常有帮助，时频图清晰明了，很好的程序-When frequency hopping spread spectrum signal analysis, the study of signal detection and parameter estimation is very helpful, time-frequency diagram clarity, good program
mirror-emd
- 镜像经验模态分解，可以实现信号的分析与分解，也可以做时频图-Mirroring the empirical mode decomposition, analysis and decomposition of the signal can be achieved, but also can do the time-frequency diagram
STFT
- 短时傅里叶变换函数，用以实现信号的短时傅里叶变换，观察时频图-Short-time Fourier transform functions to implement short-time Fourier transform signal, when observed frequency diagram
data_frequency
- 读取一段语音，计算其语音频谱图并成像，自带一段语音文件(Read a speech, calculate its voice and spectral imaging. Comes with a voice file)
mtspecgramc
- 脑电信号、多通道等神经电信号做时频图（彩虹图）(time-frequency graph)
8个OFDM-Chirp波形的时频域图及自(互)模糊函数图
- 8个正交OFDM-Chirp分集波形的时域频域图，自模糊函数图和互模糊函数图，文件夹里面有说明文档及参考文献。(Eight orthogonal OFDM-Chirp diverse waveforms, with its time-domain plot and spectrogram, and self-ambiguity functions and cross-ambiguity functions. references are provided.)
时频分析工具箱
- 法国中央科学研究院和美国RICE大学共同开发了时频分析工具箱（matlab emd） 是一款非常好用的时频分析计算工具，它是分析时变非平稳信号的有力工具，matlab 时频分析工具箱提供了时间域与频率域的联合分布信息，清楚地描述了信号频率随时间变化的关系。 其中主要含有四种函数： 信号产生函数，可以产生不停类型的信号，如Chirp信号，bpsk信号等。 时频分析函数，可以计算线性、Cohen类、仿射类非线性分析值函数，例如短时傅里叶变换（STFT），Gabor变换，谱图，Wigner
xwstritb
- 用于时频计算，输出时频图。安装后能够顺利运行，操作。(For time-frequency calculation, output time-frequency diagram)
轴承信号双谱
- 对简单信号进行双谱分析，并输出信号的时频图，双谱图，以及其三维图(Double row analysis of simple signals)
绘制频谱图matlab
- 频域图生成代码,用于生成频域内的时域对应图(whole time graphy.zip for graphy)