非常优秀的国外VHDL设计教程，可进行MODELSIM模拟等操作

a program which divides the clock by 3

数字跑表 该跑表具有启动、复位、暂停、暂停后继续计时等功能 能显示的秒计数时间精确到小数点后第二位，即能显示**.**s 按钮设置防抖-Digital stopwatch in the stopwatch with start, reset, suspend, suspended after the time and other functions can show the seconds counting time accurate to the second place after the decimal point, that can show**.** s Anti-Shake button settings

FSK/MSK/GFSK/GMSK DIGITAL DEMODULATOR VHDL SOURCE CODE OVERVIEW

A program for a simple encoder using ModelSim6

简单的232-485通信程序！主要是串口跟485之间的通信，起到发送接收然后再另一边显示的功能！(Simple 232-485 communication program!)

1024点FFT快速傅立叶变换,(vhdl代码)-1024-point FFT vhdl

脉冲多普勒雷达回波信号相干积累的VHDL源程序(pulse Doppler radar echo signal coherent accumulation of VHDL source)

真是基于matlab的QPSK，格雷码，瑞利衰减信道，加性高斯白噪声仿真(Really based on matlab QPSK, Gray code, Rayleigh fading channel additive white Gaussian noise simulation)

数字频率计VHDL程序 --文件名：plj.vhd。 --功能：频率计。具有4位显示，能自动根据7位十进制计数的结果，自动选择有效数据的 --高4位进行动态显示。小数点表示是千位，即KHz。-Digital Cymometer VHDL procedures- File name: plj.vhd.- Function: frequency meter. With four shows that will automatically count seven decimal results, automatic selection of effective data- four for the high dynamic display. Decimal point that is 1000, or KHz.

VHDL CODE FOR SQUARE WAVE GENERATOR