特征提取

说明：  PWM steering gear, including PWM steering gear drive files and some routines

说明：  提出了一套基于供电网格优化划分的中压配电网规划思路和方法。首先，确定规划区域主干通道布局，确保土地资源预留。然后，在明确网格划分目的和原则的基础上，基于就近选择负荷备供变电站和负荷聚类方法，实现供电网格在全局范围内的优化划分。最后，分别在各供电网格内，基于其供区分类优选接线模式和一、二次建设改造标准，并进行主干线布线规划。(This paper presents a set of ideas and methods for medium voltage distribution network planning based on power grid optimization. Firstly, the layout of the main corridors in the planning area is determined to ensure the reservation of land resources. Then, on the basis of defining the purpose and principle of grid partition, the optimal partition of power supply grid in the global scope is realized based on the near selection of load standby substation and load clustering method. Finally, in each power supply grid, based on the classification of supply areas, the optimal wiring mode and reconstruction standards of primary and secondary construction are selected, and the main wiring planning is carried out.)

zhouzhihua老师的cisvm，写的非常好，大家一起参考学习(an example to show using CISVM to train a classifier with a cost interval)

说明：  高数值孔径线性偏振光，圆偏振光，椭圆偏振光透镜聚焦源程序。(high NA lens fast focus)

一本很好的关于数控方面的PPT，她详细的说明了数控的历史和它的使用，并附带了很多有用的案例-A very good on the NC side of the PPT, her detailed description of the CNC

GPIO 模拟I2C, 稳定可靠的接口函数(GPIO emulate I2C interface)

动态数据交换 DDE 的例子-DDE example

基于dq坐标系的smo，IPMSM的MATLAB模型(smo MATLAB simulink smo qd)

说明：  Keylogger for windows

界面不是很好看，但是功能完善的还行，挺有趣的一个游戏，手机上有的。(Interface is not very good looking, but also featured the line, a very interesting game, and some mobile phones.)