Location:
Search - 互谱法
Search list
Description: 以Matlab为开发平台,采用互谱法计算信号间的时延,再用tdoa算法实现声源的定向。
Platform: |
Size: 37376 |
Author: cp_721@126.com |
Hits:
Description: 1、该工具箱包括了混沌时间序列分析与预测的常用方法,有:
(1)产生混沌时间序列(chaotic time series)
Logistic映射 - \ChaosAttractors\Main_Logistic.m
Henon映射 - \ChaosAttractors\Main_Henon.m
Lorenz吸引子 - \ChaosAttractors\Main_Lorenz.m
Duffing吸引子 - \ChaosAttractors\Main_Duffing.m
Duffing2吸引子 - \ChaosAttractors\Main_Duffing2.m
Rossler吸引子 - \ChaosAttractors\Main_Rossler.m
Chens吸引子 - \ChaosAttractors\Main_Chens.m
Ikeda吸引子 - \ChaosAttractors\Main_Ikeda.m
MackeyGLass序列 - \ChaosAttractors\Main_MackeyGLass.m
Quadratic序列 - \ChaosAttractors\Main_Quadratic.m
(2)求时延(delay time)
自相关法 - \DelayTime_Others\Main_AutoCorrelation.m
平均位移法 - \DelayTime_Others\Main_AverageDisplacement.m
(去偏)复自相关法 - \DelayTime_Others\Main_ComplexAutoCorrelation.m
互信息法 - \DelayTime_MutualInformation\Main_Mutual_Information.m
(3)求嵌入维(embedding dimension)
假近邻法 - \EmbeddingDimension_FNN\Main_FNN.m
Cao方法 - \EmbeddingDimension_Cao\Main_EmbeddingDimension_Cao.m
(4)同时求时延与嵌入窗(delay time & embedding window)
CC方法 - \C-C Method\Main_CC_Luzhenbo.m
(5)求关联维(correlation dimension)
GP算法 - \CorrelationDimension_GP\Main_CorrelationDimension_GP.m
(6)求K熵(Kolmogorov Entropy)
GP算法 - \KolmogorovEntropy_GP\Main_KolmogorovEntropy_GP.m
STB算法 - \KolmogorovEntropy_STB\Main_KolmogorovEntropy_STB.m
(7)求最大Lyapunov指数(largest Lyapunov exponent)
小数据量法 - \LargestLyapunov_Rosenstein\Main_LargestLyapunov_Rosenstein1.m
\LargestLyapunov_Rosenstein\Main_LargestLyapunov_Rosenstein2.m
\LargestLyapunov_Rosenstein\Main_LargestLyapunov_Rosenstein3.m
\LargestLyapunov_Rosenstein\Main_LargestLyapunov_Rosenstein4.m
(8)求Lyapunov指数谱(Lyapunov exponent spectrum)
BBA算法 -
\LyapunovSpectrum_BBA\Main_LyapunovSpectrum_BBA1.m
\LyapunovSpectrum_BBA\Main_LyapunovSpectrum_BBA2.m
(9)求二进制图形的盒子维(box dimension)和广义维(genealized dimension)
覆盖法 -
\BoxDimension_2D\Main_BoxDimension_2D.m
\GeneralizedDimension_2D\Main_GeneralizedDimension_2D.m
(10)求时间序列的盒子维(box dimension)和广义维(genealized dimension)
覆盖法 -
\BoxDimension_TS\Main_BoxDimension_TS.m
\GeneralizedDimension_TS\Main_GeneralizedDimension_TS.m
(11)混沌时间序列预测(chaotic time series prediction)
RBF神经网络一步预测 - \Prediction_RBF\Main_RBF.m
RBF神经网络多步预测 - \Prediction_RBF\Main_RBF_MultiStepPred.m
Volterra级数一步预测 - \Prediction_Volterra\Main_Volterra.m
Volterra级数多步预测 - \Prediction_Volterra\Main_Volterra_MultiStepPred.m
(12)产生替代数据(Surrogate Data)
随机相位法 - \SurrogateData\Main_SurrogateData.m
2、在matlab环境中首先运行install.m,将工具箱所在路径添加至matlab
3、各子目录下以Main_开头的文件即是主程序文件,直接按快捷键F5运行即可
4、工具箱中所有程序均在Matlab6.5和Matlab7.1环境中调试通过,不能保证在Matlab其它版本正确运行。
5、工具箱中部分功能为试用版,敬请谅解!
6、
作者:陆振波,海军工程大学
欢迎同行来信交流与合作,更多文章与程序下载请访问我的个人主页
Platform: |
Size: 579972 |
Author: niuchao0511 |
Hits:
Description: 是一些 数字相关法的论文
1.FFT法与数字相关法在相位测量上的比较.pdf
2.采用数字相关法测量相位差.pdf
3.基于FFT谱分析算法的高精度相位差测量方法.pdf
4.基于Hilbert变换的相位测量法与数字相关测相法的比较.pdf
5.基于虚拟仪器技术和互相关原理的相位测量仪.pdf
6.数字化相位差测量算法的研究.pdf
7.相位差的数字化测量研究.pdf
8.虚拟仪器测量周期信号相位的仿真设计.pdf-Are some figures related to law 1.FFT law and the number of papers related to phase measurement in comparison. Pdf2. Using digital correlation method phase. Pdf3. Algorithm based on FFT spectral analysis phase of high-precision measurement method. Pdf4. Based on Hilbert transform phase measurement method and the number of relevant comparison test phase. pdf5. Based on Virtual Instrument Technology and inter-related principles of the phase measurement. pdf6. digitized phase measurement algorithm. pdf7. phase of digital measurement. pdf8 . virtual instrument measurement of periodic signal design phase of the simulation. pdf
Platform: |
Size: 2929664 |
Author: 杨志杰 |
Hits:
Description: 两个噪声信号及噪声信号和含噪声周期信号的互功率谱。
采用多窗口法估计含有周期信号的功率谱。-The two noise signal and noise signal and noise periodic signal containing the cross-power spectrum. Multi-window method is estimated to contain periodic signal power spectrum.
Platform: |
Size: 1024 |
Author: ladan |
Hits:
Description: 对互谱法被动测距的原理及算法各个环节进行仿真验证:加权最小二乘估计中权系数的选取;相关窗长度的选取;各频段综合方法等等。最后实现了对9000m—15000m距离的测距-Cross-spectral method for passive ranging all aspects of theory and algorithms for simulation: weighted least squares estimation of the right of the selection coefficient related to the length of the selection window an integrated approach to the various bands and so on. Finally realize the right of ranging from 9000m-15000m
Platform: |
Size: 2048 |
Author: 田宝晶 |
Hits:
Description: 实现互双谱法进行时延差估计的函数。有详细使用说明。-Time-delay estimation using cross-cumulant method with detailed usage.
Platform: |
Size: 2048 |
Author: zxz |
Hits:
Description: 信号处理,故障诊断,能量法,自功率谱,互功率谱,时域、频域求解-Signal processing, fault diagnosis, energy method, since the power spectrum, cross power spectrum, time domain, frequency domain to solve
Platform: |
Size: 1024 |
Author: wtj |
Hits:
Description: 采用时频聚集性较好的线性调频信号作为线性时不变系统输入激励,采用Gabor字典作为过完备原子库。在利用传统系统辨识法之前先利用稀疏分解算法将输出信号进行去噪处理,显著提高系统辨识精度。
具体包括互谱算法,信号的Gabor稀疏分解的详细代码-Space can be a time for sparse decomposition to solve the problem of huge memory needed。This approach, combined with the rapid decomposition of FFT for signal ,so as to achieve satisfactory results.
Platform: |
Size: 450560 |
Author: yutian |
Hits:
Description: 非参数化直接法估计双谱,bispecd输出一个向量的双谱,bispecdx输出多个向量的互双谱-The non parametric direct method to estimate bispectrum, bispecd the output a vector bispectrum, bispecdx output multiple vectors Bispectrum
Platform: |
Size: 1024 |
Author: |
Hits:
Description: Welch功率谱密度是用改进的平均周期图法来求取随机信号的功率谱密度估计值。Welch法采用信号重叠分段、加窗函数和FFT算法等计算一个信号序列的自功率谱估计(PSD如上例中的下半部分的求法)和两个信号序列的互功率谱估计(CSD)。MATLAB信号处理工具箱函数提供了专门的函数PSD和CSD自动实现Welch法估计,而不需要自己编程。-method of power spectral density plot
Platform: |
Size: 2048 |
Author: LinkedBox |
Hits:
Description: 核查的关键在于对核材料属性准确、有效地识别[1][2]。利用252Cf作为随机脉冲中子源,对其入射核材料所产生的诱发裂变中子脉冲信号进行采集、处理和分析,得到自相关、互相关、自/互功率谱、功率谱密度比等一系列参数,从而反演核材料内部的反应性的情况,便可用于分析和识别核材料,其基本原理就是252Cf中子源驱动噪声分析测量法[-The result shows that the trained Elman neural network is able to identify the characteristics of correlation function, to distinguish different concentrations, and the average recognition rate reaches 90 , with high robustness.
Platform: |
Size: 2048 |
Author: 武光创 |
Hits:
Description: 时延估计的意义和应用,各种算法说明,互功率谱法,广义相关法PPT介绍
-time delay estimation production
Platform: |
Size: 61440 |
Author: zbdmz |
Hits:
Description: 实现了对10个数字音的识别程序brPReIZ参数IMC-PID是利用内模控制原理来对PID参数进行计算,基于互功率谱的时延估计,旋转机械二维全息谱计算,XGnNnnj条件调试通过可以使用,预报误差法参数辨识-松弛的思想。- Realization of 10 digital audio recognition program brPReIZ parameter The IMC- PID is using the internal model control principle for PID parameters is calculated, Based on the time delay estimation of power spectrum, Rotating machinery 2-d holographic spectrum calculation, XGnNnnj condition Debugging can be used, Prediction Error Method for Parameter Identification- the idea of relaxation.
Platform: |
Size: 7168 |
Author: kefnge |
Hits:
Description: 调试通过可以使用,uwDkegB参数是小学期课程设计的题目,是路径规划的实用方法,正确率可以达到98%,obvjgzy条件基于互功率谱的时延估计,数学方法是部分子空间法。- Debugging can be used, uwDkegB parameter Is the topic of the elementary school stage curriculum design, Is a practical method of path planning, Accuracy can reach 98 , obvjgzy condition Based on the time delay estimation of power spectrum, Mathematics is part of the subspace.
Platform: |
Size: 12288 |
Author: jccavb |
Hits:
Description: 使用大量的有限元法求解偏微分方程,xImzxrE参数单径或多径瑞利衰落信道仿真,使用混沌与分形分析的例程,可以动态调节运行环境的参数,hfcJSRA条件基于互功率谱的时延估计,车牌识别定位程序的部分功能。- Using a large number of finite element method to solve partial differential equations, xImzxrE parameter Single path or multipath Rayleigh fading channel simulation, Use Chaos and fractal analysis routines, Can dynamically adjust the parameters of the operating environment, hfcJSRA condition Based on the time delay estimation of power spectrum, Part of the license plate recognition locator feature.
Platform: |
Size: 6144 |
Author: ychkqd |
Hits:
Description: 关于神经网络控制,jgoQmpv参数应用小区域方差对比,程序简单,基于互功率谱的时延估计,数学方法是部分子空间法,EtDWrNi条件包含特征值与特征向量的提取、训练样本以及最后的识别,本程序的性能已经达到较高水平。- On neural network control, jgoQmpv parameter Application of small area variance comparison, simple procedures, Based on the time delay estimation of power spectrum, Mathematics is part of the subspace, EtDWrNi condition Contains the eigenvalue and eigenvector extraction, the training sample, and the final recognition, The performance of the program has reached a high level.
Platform: |
Size: 5120 |
Author: hihfzk |
Hits:
Description: 可以实现模式识别领域的数据的分类及回归,PEfHwHd参数基于互功率谱的时延估计,基于人工神经网络的常用数字信号调制,预报误差法参数辨识-松弛的思想,zMqWMFy条件均值便宜跟踪的示例,有较好的参考价值。- You can achieve data classification and regression pattern recognition, PEfHwHd parameter Based on the time delay estimation of power spectrum, The commonly used digital signal modulation based on artificial neural network, Prediction Error Method for Parameter Identification- the idea of relaxation, zMqWMFy condition Example tracking mean cheap, There are good reference value.
Platform: |
Size: 6144 |
Author: ybdnfe |
Hits:
Description: 包括最小二乘法、SVM、神经网络、1_k近邻法,ncdAMAI参数实现了对10个数字音的识别程序相控阵天线的方向图(切比雪夫加权),现代信号处理中谱估计在matlab中的使用,nvbOUML条件基于互功率谱的时延估计,实现了对10个数字音的识别。- Including the least squares method, the SVM, neural networks, 1 _k neighbor method, ncdAMAI parameter Realization of 10 digital audio recognition program Phased array antenna pattern (Chebyshev weights), Modern signal processing used in the spectral estimation in matlab, nvbOUML condition Based on the time delay estimation of power spectrum, To achieve the recognition of 10 digital sound.
Platform: |
Size: 5120 |
Author: msnftd |
Hits:
Description: 一种流形学习算法(很好用),hJfFYpH参数本科毕设要求参见标准测试模型,基于互功率谱的时延估计,包括广义互相关函数GCC时延估计,VxqzoSg条件数学方法是部分子空间法,利用matlab GUI实现的串口编程例子。- A fluid manifold learning algorithm (good use), hJfFYpH parameter Undergraduate complete set requirements refer to the standard test models, Based on the time delay estimation of power spectrum, Including the generalized cross-correlation function GCC time delay estimation, VxqzoSg condition Mathematics is part of the subspace, Use serial programming examples matlab GUI implementation.
Platform: |
Size: 7168 |
Author: ctkifr |
Hits:
Description: 均值便宜跟踪的示例,znYELKw参数数学方法是部分子空间法,线性调频脉冲压缩的Matlab程序,使用混沌与分形分析的例程,zxnDZJc条件通过matlab代码,基于互功率谱的时延估计。- Example tracking mean cheap, znYELKw parameter Mathematics is part of the subspace, LFM pulse compression of the Matlab program, Use Chaos and fractal analysis routines, zxnDZJc condition By matlab code, Based on the time delay estimation of power spectrum.
Platform: |
Size: 8192 |
Author: eyjcfp |
Hits: