乐曲演奏电路，可以播放歌曲在数码管上显示相同的时间…

伪随机m序列VHDL代码，生成多项式为1+x+x^7 (203)，包括代码文件.vhd和模块文件.bsf以及仿真波形，可直接添加到工程中使用。

基于EDA技术设计4位十进制数字频率计的系统方案-Based on EDA technology design four decimal system solutions Cymometer

AD9235FPGA编程 可AD采集信号 信号频谱检测 检测任意波形输入(AD9235FPGA programming allows AD to collect signal and spectrum detection and detect arbitrary waveform input.)

这是用VHDL实现的8位加法器，对新手有点帮助。-This is achieved using VHDL adder 8, a little help to novices.

FIR滤波器的VHDL语言实现(The implement of FIR Filter based on VHDL)

文章详细讲述了sdr_sdram控制器的使用和编程思想(sdr_sdram)

QPSK调制下的（5,7）卷积码的编码和维特比译码与BPSK调制下（5,7）卷积码的编码和维特比译码的BER特性(QPSK modulation under (5,7) convolutional code encoding and Viterbi decoding and BPSK modulation (5,7) convolutional code encoding and Viterbi BER characteristic)

数字滤波器包含IIR数字滤波器和FIR数字滤波器。本设计的工作主要是Labview软件部分，包括信号生成模块、滤波模块、显示模块的设计(IIR digital filter comprises a digital filter and FIR digital filters. The design work is mainly Labview software parts, including signal generation module, filter module, display module design)

FPGA实现四位数与四位数乘法，有仿真波形，合理利用FPGA资源(Four-digit and four-digit multiplication is realized by using FPGA. It has simulation waveform and makes rational use of the resources of the FPGA.)

实现了MASH111功能，输入位数可编程(MASH 1-1-1, delta-sigma , input bits are programmable)