expjianyan

一篇总结了当前大多数椭圆拟合方法的文章，并进行了深度分析，提出了改进的方法，适用于初学者进阶阅读。-1 summarizes the most current methods of ellipse fitting articles and in-depth analysis, put forward an improved method, applicable to advanced beginners to read.

滑动平均法消除趋势项，MATLAB导入数据就能使用了，方便快捷(Moving average method to eliminate trend items)

简单的的stm32cubemx，实验程序，适合初学者学习和使用(Some simple experiment procedures based on stm32cubemx operation are suitable for beginners)

说明：  该文件为半桥式双向dc-dc充放电的仿真，仿真中含有蓄电池，并模拟了电压阶跃(This paper is the simulation of half bridge bi-directional DC charging and discharging, in which the battery is included and the voltage step is simulated)

摄影测量中的空间前方交会程序，采用的是matlab编写的共线条件方程法，结合空间后方交会求解的双像外方位元素，可以进行待定点的三维坐标的求解。(The program of space intersection in photogrammetry, using the collinear equation method to prepare the MATLAB, combined with the space resection for double image exterior orientation elements, can be solved three dimensional coordinates.)

说明：  对非线性微分方程画相图以及求特征值和李雅普诺夫指数。以简单的非线性微分方程为例，程序中的微分方程可自行修改(Drawing phase diagrams and calculating eigenvalues for Nonlinear Differential Equations)

系统介绍电力系统可靠性的相关知识。获多个国家基金支持。(System describes the knowledge of power system reliability. A number of countries eligible for funding support.)

多移动机器人避障和编队处理，摘自github中(Obstacle Avoidance of multi-robots)

这是一本ios进阶的书籍，希望对大家有所帮助(This is an advanced ios book, I hope it can help you)

实现加密解密功能，2048位，加密解密速度非常快，用时非常短(Encrypt and decrypt)