verilog中调用门级电路的实验程序，实现了门级舰模

利用FPGA内核产生SPWM波，并且频率可调(The FPGA kernel is used to generate SPWM waves, and the frequency is adjustable)

32位元浮点数加法器,用于以VHDL编写的32位元CPU-32 bits floating-point Add

goertzel stuff. contains matlab files and different explanations of how it is used for DTMF decoding.

将VHDL程序下载到DE2开发板，引脚分配时需要知道的芯片每个引脚功能(VHDL program will be downloaded to the DE2 development board, you need to know when the pin assignments for each pin of the chip functions)

Simple SPI interface realization on Verilog HDL with parameterized FIFO and APB interface

基于FPGA的技术溢出研究程序，只是一个测试程序，大家可以下着用一下。-FPGA-based research process of technology spillovers is only a test procedure, we can next look forward to using.

Verilog经典教程，很好的学习Verilog的书籍，对学习硬件编程很有帮助。(Verilog classic handbook, good learning Verilog books, to learn hardware programming helpful.)

分数阶Unscented卡尔曼滤波器研究.pdf(Fractional Unscented Kalman filter pdf)

实现在屏幕上显示绿色和红色相间的水平条纹。其中，vga_640x480模块将产生行同步信号hsyn和场同步信号 vsync; vga_stripes模块将产生red、green和blue三个输出。(The horizontal stripes of green and red are displayed on the screen. Among them, vga_640x480 module will produce line synchronization signal Hsyn and field synchronization signal vsync; vga_stripes module will produce red, green and blue three outputs.)

基于VHDL的I2C程序0004,很不错的论文及程序，，大家快下啊-based on the I2C procedures VHDL 0004, a very good paper and procedures, we quickly under ah