实验1

说明：  用DFT (FFT)对连续信号进行频谱分析(Spectrum Analysis of Continuous Signals Using DFT (FFT))

SYSIntnetsetdemo，网络编程相关，设计相关。。。与大家一起分享-SYSIntnetsetdemo, network programming-related, design related. . . With the U.S. share

仿腾讯QQ空间的DIV窗口，淡蓝色风格看上去很漂亮，不过源代码扣下来相当麻烦，这里使用jQuery的一款插件jBox来修改代替，效果还算行吧，它有两种方式调用 ，第一种是iframe，就是把另一个页面嵌入到div窗口中来；另一种是控制div标签，你可将显示的内容写到DIV标签内，然后在JS中引入需要控制的DIV ID号就行了。(Imitation Tencent QQ space DIV window, light blue style looks very nice, but the source code is quite troublesome buckle down, here s a plug jBox use jQuery instead to modify the effect is fairly okay, there are two ways to call it, the first one is the iframe, is to another page to embed div window the other is to control the div tag, you can display the contents written in the dIV tag, then the introduction of the need to control the dIV ID number on the line in JS a.)

Stock：自定义的随机股票交易回测系统(Stock: a custom random stock trading back test system)

网络续传下载开发源码，类似于网络蚂蚁，网络快车等续传下在软件-network download open source, similar to ants network, Network Express and other software under Resuming

主要用于查找共享文件，并在下载共享文件时可支持断点续传-mainly used to locate and share files, and download file-sharing can support HTTP

重命名arcgis瓦片到鹰图瓦片，仅供参考(Rename arcgis tile to tile Intergraph, for reference)

截图加边框效果源码，例程结合易语言应用接口支持库，调用API函数实现窗口截图加边框效果。(Screenshot border effect plus source application interface routines combined with easy language support library , call the API function to achieve a screenshot plus border effect .)

说明：  可以对电池模型进行SOC估计，使用UKF函数可以更加精确(The battery model can be SOC estimated, using the UKF function can be more accurate)

一个dll劫持的例子，劫持对象是ws2_32.dll(Example of a dll hijack, hijacking object is ws2_32.dll)