基于NiosⅡ的2 de2_tvproject

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)

verilog测试，fpga测试片外sramis61lv25616，256个k个字，16位，比较难调(it is fpga is 61lv25616 simple verilog program,complete sram read and write.it can read and write .)

DDR2控制器设计原码,可以在FPGA上测试通过,并对外部的ddr memory进行读写访问.(DDR2 controller design of the original code, can be tested through the FPGA, and external ddr memory read and write access.)

说明：  俄罗斯方块游戏，采用Verilog编写，整个工程文件，TFT/VGA显示(Tetris game, written by Verilog, the whole project file, TFT / VGA display)

(2,1,9)卷积编解码器，译码部分采用Vitebi译码算法，设计使用Verilog HDL语言，在Modelsim平台下仿真通过-(2,1,9) convolutional codec, decoding part decoding algorithm used Vitebi design using Verilog HDL language simulation in ModelSim platform through

pc与fpga之间通过千兆以太网交换机实现网络通信(Network communication between PC and FPGA via Gigabit Ethernet switch)

Ethernet MAC-MII interface of Transmit

OFDM系统新型CC编解码的verilogHDL设计，与RS编码级联，经测试误码率性能提高(OFDM system verilogHDL new CC codec design, coding and RS cascade, tested BER performance improvement)

xillinx Spartan6 FPGA DDR 接口设计指南(xillinx Spartan6 FPGA DDR Interface Design Guidelines)

用VHDL实现了希尔伯特滤波器,即就是幅度不变，而相位移动90度(use vhdl to accomplish the hilbert filter)