(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

matlab仿真2ask和4ask.可观察信号的时域波形和频谱图。(Matlab simulation 2ask and 4ask. Can observe the signal time domain waveform and spectrum.)

motionjpeg的FPGA编码实现，有点老了，但是可以参考．有些东西和h.264是差不多的．-motionjpeg FPGA Coding, a bit old, but the reference. Some things and h.264 is roughly the same.

软件式的VHDL学习工具，能帮助你更好的掌握VHDL的应用-VHDL-based software, learning tools, can help you better grasp the application of VHDL

基于FPGA的快速傅立叶变换实现，适合fpga工程技术人员参考设计-FPGA-based Fast Fourier Transform for fpga reference design engineers

r80515源代码，包含说明文档。FPGA验证通过(r80515 source code, including documentation. Verified by FPGA)

实现了UART的底层协议，加入了控制器，其波特率可以根据使用进行调整；发送模块、接收模块相互独立，互不影响。(Realization of the underlying protocol UART, joined the controller baud rate can be adjusted according to use transmission module, receiver module are independent of each other.)

i2c总线的工程实现，可以用在altera环境下验证-i2c bus project implementation can be used in altera verification environment

Altera的CycloneIII Start Board,使用的PFGA是3C25，包括原理图和PCB，用Cadence Allegro打开-Altera

FPGA中实现的MSK调制，带modelsim仿真。实际系统测试通过：载波和调制波信号频率可调。调制框图请参见樊昌信 通信原理247页(MSK modulation implemented in FPGA with modelsim simulation. The actual test system: a carrier wave signal and the modulation frequency is adjustable. See Fan Changxin modulation block diagram of communication theory 247)

basys3的数字钟，可以显示00.00-59.59(Digital clock of basys3,It can display 00.00-59.59)