Fourier series

新型算法之蜻蜓优化算法，通过观察自然界中蜻蜓的动静态得之。(The new algorithm for dragonfly optimization is obtained by observing the movement and static state of dragonflies in nature.)

常用电子原件参数大全包括：125贴片三极管上的印字，与真实名称的对照表，2SJ场管大全，9000系列三极管资料，常用晶体与场管，电阻阻值表，贴片代码查找工具，贴片电容耐压，贴片电阻封装跟功率关系。-Original parameters of commonly used e-Daquan include: 125 SMD transistors on the printing, and the real name of the comparison table, 2SJ field pipe Daquan, 9000 series transistor data, commonly used crystal and field control, resistor table, patch code search tool, paste film capacitor voltage, chip resistor package, with power relations.

声音信号读取和处理！也是网络上得到的，上传和大家分享-Sound signals to read and deal with! Is also the network received, upload and share

说明：  Snoop网络封包分析工具，本控件基于WinPcap，所以必须先安装WinPcap(Snoop Network Packet Analysis Tool,This control is based on WinPcap, so you must install WinPcap first.There are examples to illustrate.)

很多个小游戏的源代码，希望给大家能带来小小的快乐-many small games of source code, we can hope to bring little joy

说明：  在Linux下用Gcc 4.3.1进行STM32开发入门(In Linux using Gcc 4.3.1 for the development of entry-STM32)

基于VFP开发的一个经典企业考勤管理系统，虽说界面不太好看，但功能齐全强大-VFP on the development of a classic enterprise management system for attendance, although not very good-looking interface, but powerful full-featured

任天堂产品系统文件(chm格式) 对任天堂机各部分的介绍-Nintendo Product system files (chm format) on the Nintendo machine the various parts of the introduction

manual of hanvon dll

说明：  纯比例控制的作用和比例调节对系统性能的影响，有单位反馈，阶跃扰动。(The effects of pure proportional control and proportional regulation on system performance include unit feedback and step disturbance.)