Improved-least-squares-method-

这段代码是关于边界链码提取的,采用MATLAB编写,但是还有一些欠缺(This code is on the boundary chain code extraction, using MATLAB to prepare, but there are still some lack of)

在电力市场改革的过程中，出现了许多新的问题：网络潮流的分布主要由电力交易 的分布所决定，电力交易以追求最大利润为目标，于是出现了电力系统中输电价格较低 的线路或电能价格较低的发电机组周围的线路负荷过重，从而增加了发生阻塞的可能 性。本文就电力市场中输电阻塞管理的办法以及阻塞费用的计算进行了讨论。(the electricity market reform process, the emergence of many new issues : the trend of the distribution network mainly by the distribution of power transactions by the decision to pursue electricity transactions for maximum profit, so a power system transmission lines with lower prices or lower the price of electricity generating units around the line overloading, thereby increasing the possibility of obstruction occurred. This paper on the electricity market transmission congestion management methods as well as obstruction of calculating the fees were discussed.)

说明：  Poincare映射图像有不同的做法，一般是通过画出系统的Poincare映射图来看是否为混沌(Poincare map images are different approaches to the general through the draw system in terms of Poincare map for the chaotic)

差分方程的蛛网模型，matlab的小例题，方便易懂，解释合理。(Cobweb model of the differential equation matlab example, convenient and easy to understand, explain and reasonable.)

信号处理中的旋转不变子空间法，BP神经网络用于函数拟合与模式识别，调试通过可以使用，DC-DC部分采用定功率单环控制，在MATLAB中求图像纹理特征，毕业设计有用。( Signal Processing ESPRIT method, BP neural network function fitting and pattern recognition, Debugging can be used, DC-DC power single-part set-loop control, In the MATLAB image texture feature, Graduation usefu.)

说明：  信号预处理，提取PCG特征，利用机器学习进行分类（含数据）(Signal preprocessing, PCG feature extraction, machine learning for classification (including data))

本算法包括最大似然估计，最小二乘估计，基于EM算法的多种混合高斯分布估计，EM算法测试实例，绘制每种分布的plot函数。非常有参考价值！(This algorithm, including maximum likelihood estimation, least squares estimation, based on the EM algorithm estimate a mixture Gaussian distribution, EM algorithm for the test examples, each mapping the distribution of the plot function. Very useful!)

power electronics lab simulations

LPC vocoder LPC vocoder with several option Graphical user interface Also included several .wav file as example

matlab对机械四杆结构的仿真动画，很难找的，很有价值。(matlab mechanical simulation of four-bar structure animations, it is difficult to find, great value.)