libpng

说明：  A very concise CSS3 multi-color vertical stretch drop-down menu effect, each sub-menu item can define different colors

log transformation program in matlab

中国教育和科研计算机网紧急响应组作的一个关于垃圾邮件过滤技术价绍的Ppt(China Education and Research Computer Network Emergency Response Team, made a spam filtering technology on the price of Shao' s Ppt)

说明：  电动汽车用OBC-LDC一体化动力装置的拓扑结构及控制方案。准备做集成OBC和LVDC的仿真，但它还处于早期，希望能一起讨论。(Topological structure and control scheme of OBC-LDC integrated power device for electric vehicle. Prepare to do integrated OBC and LVDC simulation, but it is still in the early stage, hope to discuss together.)

拼图游戏，从四幅图中任选一幅，按样图拼出图形，可通过鼠标移动图形。-Jigsaw puzzle, from a choice of four plans, according to spell-like map graphics, mobile graphics by the mouse.

C#字母大小写转换程序，完成一个字符串逐一的变为大写形式，26个英文字母的大写。点击窗体上的按钮即可完成对应的转换。

归档单机版程序,access数据库,导入注册文件信息就可以用-single version archiving procedures, access databases, import registration information can be used

说明：  对温湿度采集芯片进行配置并且把读到的温度数据显示到数码管上(The temperature and humidity acquisition chip is configured and the temperature data read is displayed on the nixie tube)

说明：  线性核支持向量机，径向基支持向量机，多项式支持向量机(Linear kernel support vector machine, radial basis support vector machine, polynomial support vector machine)

声音信号互功率谱密度的matlab程序，可得到两个信号互功率谱密度图像(The matlab program of the cross-power spectral density of sound signals can obtain the image of the cross-power spectral density of two signals.)