angle2

主分量分析,用于高维数据降维或提取目标特征。程序精简，效率高. (Principal Component Analysis is used to make data dimensionality reduction or extract target characteristics。)

模糊C均值的详细说明文档，还包括硬分类与模糊分类的区别.欢迎下载(detailed documentation, including rigid classification and fuzzy classification distinction. Welcome to download)

雷达系统设计matlab仿真一书配套源代码，配有示意图，对学习雷达系统的设计很有帮助。(Matlab simulation of radar system design supporting a book source code, with a schematic design of radar systems to learn helpful.)

This folder contains three files to maniupulate XOR logic. Ist file is for and logic. Second file is for OR logic. They are implemented using matlab 2008 version.

netcdf插件、安装说明及netcdf数据读取(Nc plug-ins, installation instructions and nc data read )

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)

说明：  运用多松弛时间，相对于单松弛，具有更好的稳定性，且数值结果更精确(Compared with single relaxation, multi-relaxation time is more stable and the numerical results are more accurate.)

说明：  用于计算2D梁板壳的IGA程序,适用于IGA初学者(The MATLAB code for 2D modeling of beam, plane and membrane.)

Simple threshold segmentation of medical CT data in DICOM data representation.

用工字型差分格式解拉普拉斯方程，简洁具体，效率高 (Employment the fonts differential format solution of the Laplace equation)