搜索资源列表
Periodogram
- 利用周期图法对序列进行功率谱估计，数据窗采用汉明窗-Sequences using periodogram method for power spectrum estimation, the data window with Hamming window
HHT-transform
- 本程序主要通过EMD和hilbert求IMF，作出HHT归一化能量谱图（三维图），边际谱图和瞬时能量图，并做完备性验证-The program primarily through EMD and hilbert seek IMF, to HHT normalized energy spectrum (three-dimensional map), the marginal spectrum and the instantaneous energy map, and do a complete v
DoubleSpectrum_Analysis
- 计算时间序列双谱的三维图和二维图，用于研究非线性过程非常管用！-Bispectrum calculation of three-dimensional time series graph and two-dimensional maps, used to study the nonlinear process is very useful!
a
- 对语音信号进行处理，做fft，语谱图，短时fft，并进行对比-The speech signal processing, do fft, spectrogram, short fft, and compare
Lynch_Maple13
- 用来计算混沌动力学问题的源代码。包含分岔图绘制，最大李雅普诺夫指数，李雅普诺夫指数谱等一些重要的源程序。-This is a toolbox for chaotic dynamics analysis.Have fun!
MCR-ALSPtoolbox
- 多元曲线分辨工具箱，可以处理色谱联用数据，得到纯光谱曲线和色谱图。-Multivariate curve resolution Toolbox, you can handle the chromatography data, the pure spectral curve and chromatogram.
short_timespectrogram
- 一个是产生语音的波形和短时频谱，另一个是产生语谱图。-One is to generate voice waveforms, and short-term spectrum, and the other is to generate spectrogram.
matlab
- 产生右图所示亮块图像 f1(x,y)（128×128大小，暗处=0，亮处=255），对其进行FFT，同屏显示原图f1和FFT(f1)的幅度谱图，若令f2(x,y)=（-1）x+y f1(x,y)，重复以上过程。以及旋转45度后进行变换-Generating shown bright block image F1 (x, y) (128128 size dark = 0, light at = 255), the FFT, the same screen display Original f1 a
glp
- 计算太阳黑子的活动周期，分别利用周期图法，Lenvinson-Durbin法和Burg法求得其功率谱，并画出曲线，观察得到活动周期-Calculation of sunspot activity cycle, namely the use of periodogram, Lenvinson-Durbin and Burg obtained the power spectrum, and draw curve, observation cycle
p_classical
- 经典的功率谱估计，平均周期图法实现，已经加上了详细的注释-Classical power spectrum estimation, the average periodogram implementation, has added a detailed comment
lorenzLya
- 利用正交向量法求Lorenz系统的李雅普诺夫指数，并绘出指数谱图。-Orthogonal Vector Method Lorenz system, Lyapunov exponent, and draw the index spectrum.
FftDrawing
- 实现快速傅立叶算法，采用vc windows编程显示傅立叶变换后的相角图，实部图，虚部图，模图和功率谱密度徒。-Fast Fourier algorithm, vc windows programming using Fourier transform shows that after the phase angle map, real maps, the imaginary part of diagram, modulus map and power spectral density only
qiudao
- 对所给的谱图进行平滑处理，虑噪，并且多项式窗口平滑求导-To the spectrum of the smoothing processing, taking into account noise and derivation polynomial smoothing window
T-est
- 分别使用周期图法以及改进的周期法实现谱估计-Using periodogram and improved method to achieve spectrum estimation cycle
demo_danjiNRZ
- 系带传输，单极性不归零码的编码，产生还有功率谱密度图，调试好的，直接运行-Department of belt transmission, not unipolar NRZ encoding, resulting in power spectral density diagram there, debugging good directly run
frequencyaverage
- 计算和绘制平均频谱图的程序，对采集信号进行分析很有用的程序-Computing and mapping the average frequency spectrum of procedures, an analysis of the signal sampling procedure is useful
LMS_adaptive_filter
- LMS，用MATLAB实现LMS算法，实现MES等值图和误差函数的功率谱图-LMS, using MATLAB realization of LMS algorithm, the realization of MES and the error function equivalent diagram of the power spectrum
n-q-phi
- 对局部放电信号的处理的程序，放电次数，相位，放电量的3维谱图。-Of partial discharge signal processing procedures, discharge frequency, phase, the discharge amount of 3-D spectrum.
emd
- 这是emd程序源码，里面已经对边缘效应进行了处理。可以用来处理非平稳信号-This is the EMD program source, which has been on the edge effects have been dealt with. Can be used to handle non-stationary signal
myWave_Fft
- 自制软件，实现频谱分析。能显示信号与频谱图。主要是对正弦信号和三角波进行一维FFT变换，得到频谱图。-Self-made software, the realization of spectral analysis. Showing the signal and frequency spectrum. Mainly sinusoidal signal and triangular wave transform one-dimensional FFT, the frequency spectrum