FitPlotEllipse

LSI就是这样一种维数约减方法。它可以通过对“文档向量矩阵”进行解奇异值分解（SVD: Singular Value Decomposition）运算，自动计算得到一个比原始空间小得多的有效语义空间(LSI is such a dimensionality reduction method. It can be through the "document vector matrix" for the singular value decomposition (SVD: Singular Value Decomposition) operation, automatically calculated an effective semantic space is much smaller than the original space)

通用路径损耗模型包括Log-distance/normal shadowing计算(General Path Loss Model, including log-distance/normal shadowing path loss model)

matlab code for getting data from a file

高级数字信号处理中用burg法进行的谱估计，共享一下，希望有所帮助(Advanced digital signal processing using burg method of spectrum estimation, sharing, hope I help)

Edge detection result should be enhanced using linear method like Median filter to remove the garbage around the pupil to gain clear pupil to determine perfect centre. Get the centre of the pupil by counting the number of black pixels (zero value) of each column and row. Then get each row and column that has the maximum number of these black pixels. Then determine the center by simple calculation according to the image coordinate to set it correct on the image, consequently we can determine the radius of the pupil. Thus we can find the pupillary boundary (inner). A similar procedure is extended by using a coarse scale to locate the outer boundary (limbus) which can be apparent by using the mid-point algorithms of circle and ellipse.

this is an matlab code for acoustic echo cansellation

计算常用指标Gmean,F-score,sensitivity,specificity,precision,roc和auc曲线，输入test_label,predict_label两个列向量，即可获得以上指标(calculate some indexes)

2兆瓦异步双馈风力发电系统的建模与仿真，包含个子模块。pitch信号自己添加。。(2 MW doubly fed induction wind power system modeling and simulation, including the sub-modules. pitch signal to add their own. .)

说明：  含风力发电、光伏、微型燃气轮机、储能的微电网能量管理，采用粒子群算法优化。(Particle swarm optimization (PSO) is used to optimize the energy management of microgrid including wind power generation, photovoltaic, micro gas turbine and energy storage.)

MATLAB code for outage probability.