LDPC码校验节点（checknode）进行奇偶校验方程时的vhdl编程，硬件语言实现...

说明：  FPGA和双端口RAM的DDS任意波形发生器的实现(FPGA and dual-port RAM of the DDS Arbitrary Waveform Generator)

基于网口的收发数据及解析数据内容的verilog代码实现(Based on the Internet port to send and receive data and parse the contents of the data verilog code)

使用Xilinx3S400开发的钢板检测算法中心化算法，通过测试。(a vhdl-program use Xilinx3S400)

实光电码盘的输出数据的四倍频，使码盘输出精度提高四倍。-real photoelectric encoder output data of the four frequency, accuracy encoder output increased by four times.

完整的GMSK调制及维特比译码，程序中包括了高斯滤波器的设计，调制相位的计算，并采用了维特比译码算法解调出原始码元，最后计算了其误码率。(Complete GMSK modulation and Viterbi decoding, the program includes a Gaussian filter design, the calculation of the phase modulation, and uses the Viterbi algorithm demodulates the source element, the final calculation of the bit error rate.)

Xilinx,Altera,ARM,AVR,S52,Lattice等系列FPGA的下载线电路图和PCB-Xilinx, Altera, ARM, AVR, S52, Lattice series FPGA download cable circuit diagram and PCB

用verilog在FPGA内部实现8051内核，超好、超难找的资料！共享出来！(Verilog FPGA internal 8051 core, super, super hard to find! Shared out!)

基于FPGA的利用rom进行查询的方式生成一个频率为10KHZ的sin信号，编译成功，并实现功能仿真。(Query based on the the FPGA use of rom generate a frequency of 10 kHz sin signal, compiled successfully and to achieve functional simulation.)

Quartus2环境下基于VHDL状态机的交通灯程序(VHDL state machine traffic lights based on Quartus2 environment)

基本的操作代码,a0-a7是八个信号输入端，a7的优先级最高，a0的优先级最低，当a7输入低电平0时，其他输入无效，编码输出y2y1y0=111；如果a7无效，而a6有效，则y2y1y0=110；