lagrangian

说明：  基于MATLB的直流电动机的开环调速系统仿真实验(Simulation experiment of open loop speed regulation system of DC motor based on MATLB)

SINGLE-CHIP 802.11b/g/n 1T1R WLAN SoC

采用双曲线交汇进行长基线定位，误差源为测距误差的仿真图(the long baseline positioning is carried out by the double curve intersection, and the error source is the simulation diagram of ranging error.)

java code for interpolation this is the short progaram for working

安可美丽是一个安卓和淘宝手机网站结合的洗发护发产品介绍项目，应用内本身有一些信息，然后宝贝详情页直接转跳到淘宝的手机页面，另外自带基于ThinkPHP的web服务端和sql数据库。(Ancomay is a shampoo and hair care product introduction project that combines Android and Taobao mobile website. There are some information in the application itself. Then the Baby Details page jumps directly to Taobao mobile page. In addition, it brings its own ThinkPHP-based web server and SQL database.)

AVR编程库文件及其测试例程，里面包含部分器件的编程文件(the lib of AVR,and test example,it is include some drivers of device)

说明：  一种新的优化算法，将其应用于结构优化中的挑战性问题。提出了模拟蝗虫群的行为在自然界中解决优化问题。(A New Optimum Algorithm)

this a sample C++ codes for beginners.It helps to draw a graph using some inbuilt functions.-this is a sample C++ codes for beginners.It helps to draw a graph using some inbuilt functions.

基于stm32F407zgt6 usb_host_OTG的u盘读写例程，实现的功能有：对插入的u盘目录的读取、向u盘写数据、对任意插入的usb HID 设备描述符，配置描述符，接口描述符，端点描述符等的读取。

说明：  用S7-200自由口与安科瑞多功能电表通讯 ,读出五个变压器的当前正向有功电度,分开每天谷 峰 平段电度,保存31天,并读出变压器电流,计当前功率. 减轻电工劳动强度,动力室抄表更加灵活性(Communication between Siemens Freeport and Intelligent Meter 645 Protocol)