sy3_6

说明：  利用Matlab编程验证用EM算法估计的高斯混合模型的相关参数的性能。(Validate the use of Matlab programming estimated using EM algorithm for Gaussian mixture model parameters related to the performance.)

Compressive sensing SuOrEM code

电能质量检测模块，能检测谐波、频率，以及电压暂升或暂降(Power quality detection module detects harmonics, frequency, and voltage dips temporarily rise or)

利用重标极差的方法来计算hurst指数的MATLAB程序(Hurst index was calculated by R/S method)

小波变换在信号处理中的应用，应用db5小波对例子信号进行7层分解(Wavelet transform in signal processing applications, application db5 example wavelet decomposition of signal layer 7)

首先提出了基于微分几何控制理论的双馈发电机非线性多输入多输 状态反馈解藕控制方案，通过非线性坐标变换和非线性状态反馈，使双 发电机的磁链和转速两个子系统实现了动态完全解藕。其次采用基于定 磁场定向的双馈发电机矢量控制，实现定子侧有功功率和无功功率的解藕 为了消除交叉藕合电动势对发电机参数的影响，采用内模控制解藕控制 案，使系统具有良好的输出动态性能。最后在分析双馈发电机的数学模 和矢量控制的基础上，提出了一种基于模型参考自适应方法的定子、转 磁链观测、发电机转速估计和转子电阻辨识算法，应用Lyapunov原理证 了估计的收敛性，并应用于上述解藕控制方案中。在对算法进行理论推 的基础上，应用Matlab/simulink，对各个算法和系统进行了仿真，检验了 算法和控制方案的可行性。 (First proposed nonlinear multi-input multi-input state feedback the decoupled control programs through nonlinear coordinate transformation and nonlinear state feedback control theory based on differential geometry doubly-fed generator, dual generator flux and speed sub-systems to achieve the dynamic completely decoupled. Secondly, based on the fixed magnetic field oriented vector control of doubly-fed generator stator side active power and reactive power decoupling in order to eliminate the cross-coupling of the electromotive force of the generator parameters using the internal model control decoupling control case, so that the system which has good dynamic performance. Finally, in the analysis of the doubly-fed generator based on the mathematical model, and vector control, a method based on the model reference adaptive stator, turn flux observer, generator speed estimation and rotor resistance identification algorithm using the Lyapunov principle permit estimated convergence, and appl)

数字图像滤波的程序，包括散斑噪声的生成，中值，均值，Lee，Kuan滤波算法的实现，还计算了三个指标：峰值信噪比，等效视数，散斑指数。(Digital image filtering process, including the generation of speckle noise, median, mean, Lee, Kuan filtering algorithm, also calculated three indicators: the peak signal to noise ratio, equivalent number, speckle index.)

用增广最小二乘法进行单输入单输出系统的参数辨识，输入采用幅度为1的4阶伪随机序列(Extended least squares method parameters identification of single-input single-output system, enter using the amplitude of a 4-order pseudo-random sequence)

JPDA的matlab程序 可以使用 效果不错(JPDA matlab )

可以得到很精确的幅值、频率、相位估计，相控阵天线的方向图（切比雪夫加权），用于信号特征提取、信号消噪，数据模型归一化，模态振动，包括最小二乘法、SVM、神经网络、1_k近邻法,IDW距离反比加权方法。( You can get a very accurate amplitude, frequency, phase estimation, Phased array antenna pattern (Chebyshev weights), For feature extraction, signal de-noising, Normalized data model, modal vibration, Including the least squares method, the SVM, neural networks, 1 _k neighbor method, IDW inverse distance weighting method.)