此文件为EDA的8位分频器，但可以用于不同位分频器，如：1位到10位等，用Quartus软件来，以文件VHD格式编译即可-This document is for EDA 8-bit prescaler, the prescaler can be used in different places, such as: 1-10 and so on, using Quartus software to VHD format file can be compiled

建立正交频分多路复用(OFDM)系统调制器的仿真模型，并编程给出具有K=10个子信道、符号区间T=100s、采用16点QAM信号时，OFDM系统调制器的输出信号。-The establishment of orthogonal frequency division multiplexing (OFDM) system, the simulation model of the modulator and the program is given with K = 10 Ge sub-channel

使用vhdl语言原件例化设计数字频率计，并用6位7段数码管计数。模块包括：十进制计数器，6位10进制计数器，Reg24 锁存器、Fp 分频器、Ctrl 频率控制器、Disp 动态显示。(The digital frequency meter is designed by using VHDL language as an example and counted by 6-bit 7-segment digital tube. Modules include: decimal counter, 6