limit-cycle-and-Vector-Field

This File a matlab code about Hopfield network

本文档内的源码 内容为图像分割技术在matlab中的代码 适合初学者和matlab爱好者(The source of the content within this document image segmentation code in MATLAB for beginners and Matlab lovers)

最大似然估计 以最快的速度实现参数估计准确率极高(Maximum likelihood estimation with the fastest speed to achieve a high accuracy rate parameter estimation)

说明：  这是一篇关于4G方面的一篇文章，它主要是介绍了4G的一些关键技术，如智能天线技术、MIMO技术、中继技术等。

The early detection of arrhythmia is very important for the cardiac patients. This is done by analyzing the electrocardiogram (ECG) signals and extracting some features from them. These features can be used in the classification of different types of arrhythmias. In this paper, we present three different algorithms of features extraction: Fourier transform (FFT), Autoregressive modeling (AR), and Principal Component Analysis (PCA). The used classifier will be Artificial Neural Networks (ANN). We observed that the system that depends on the PCA features give the highest accuracy. The proposed techniques deal with the whole 3 second intervals of the training and testing data. We reached the accuracy of 92.7083 compared to 84.4 for the reference that work on a similar data.

说明：  GWO算法模拟了灰狼在自然界中的领导层次和狩猎机制。四种类型的灰狼，如alpha，beta，delta和omega，用于模拟领导层次结构。此外，实施狩猎，搜寻猎物，环绕猎物和攻击猎物的三个主要步骤以执行优化。 压缩包包括：发表的论文、优化算法代码、优化工具箱。(The GWO algorithm mimics the leadership hierarchy and hunting mechanism of grey wolves in nature. Four types of grey wolves such as alpha, beta, delta, and omega are employed for simulating the leadership hierarchy. In addition, three main steps of hunting, searching for prey, encircling prey, and attacking prey, are implemented to perform optimization. Compression packages include: published papers, optimization algorithm code, optimization toolbox.)

说明：  matlab编写的基本遗传算法、顺序选择遗传算法、大变异遗传算法的源码，直接可以运行(The source code of basic genetic algorithm, sequential selection genetic algorithm and large variation genetic algorithm compiled by Matlab can be run directly)

全桥倍流整流变换器的MATLAB仿真程序(Full-bridge rectifier transformer times MATLAB simulation program)

This project calculates Dimensionless pressure, load carrying capacity, temperature rise, power loss and coefficient of friction for an infinitely wide slider bearing

最小二乘法椭圆拟合 fit_ellipse( x,y,axis_handle ) x，y为坐标点 适用于一般方程哦。好用(Least squares ellipse fitting fit_ellipse (x, y, axis_handle) x, y for the coordinates of points applicable to the general equation Oh. Use)