使用matlab生成SOS滤波器，应用于FPGA的一个小型系统，有一定的参考价值(Using MATLAB to generate SOS filter, applied to a small system of FPGA, there is a certain reference value)

说明：  一个解决除法溢出的例子，可以学习到很多，注释很详细(A solution to the division overflow example, you can learn a lot, very detailed notes)

2维4节点的UEL单元，嵌入UMAT，采用j2 mises屈服准则(2d4nodes uel elements, with umat codes, and j2 mises flow rule)

此文件给出了一个多功能交通灯的VHDL代码实现，可作为电赛的准备材料-This paper gives a multi-functional traffic lights to achieve the VHDL code can be used as electric materials Cup preparations

8选1程序，是利用vhdl编写的，自己弄得还能用，上传下(8 Select a program is written using vhdl, allowed herself can use to upload the next)

code qui affiche une image sur ecran vga

坦克游戏用VHDL语言编写。Altera的随身携带套件DE1。PS2键盘接口和VGA

有自己制作的下载器原理图，包含了stlinkv2,XDS100V3,USBBLASTER.原理图和封装，一款多功能下载器。(Have their own production downloader schematic diagram, contains stlinkv2, XDS100V3, USBBLASTER. Schematic diagram and encapsulation, a multi-function downloader.)

canbus verilog实现，原代码文件-canbus verilog implementation, the original source document

等精度测频原理的频率计程序与仿真。。希望大家能用的到撒(such precision frequency measurement principles of Cymometer procedures and simulation. . Hope everyone can withdraw to the)