With VHDL Design and Implementation of the multi

实现了QPSK的调制，使用了ise自带的dds的IP核(QPSK is modulated and the IP core of DDS is used in ise.)

ofdm的发射链路和接收链路的Verilog源代码，包括长短训练序列的生成，导频插入，加cp，ifft。(Source code of transmission link and reception link of OFDM)

本实验是用LCD12864显示英文 显示 Our FPGA EDA NIOS II SOPC FPGA(This experiment is shown in English with LCD12864 display Our FPGA EDA NIOS II SOPC FPGA)

FPGA控制SRAM读写时序源码，代码桂发，新手一看就懂(FPGA control SRAM write timing source code Guifa novice understand at a glance)

基于fpga和51单片机的等精度频率计，通过fpga对信号进行采集，数据传给单片机计算，再由12864进行显示，可进行频率，周期，脉宽，占空比，幅值等的测量。(Fpga and 51 microcontroller based precision frequency meter, through fpga for signal acquisition, data to the microcontroller to calculate, and then by 12864 for display, can be measured frequency, period, pulse width, duty cycle, the amplitude and the like.)

使用verilog硬件设计语言在FPGA板子上STOPWATCH 秒表设计。(Using verilog hardware design language STOPWATCH stopwatch design on FPGA board.)

完成一个1位全减器的设计。以全减器为元件程序完成8位减法器设计。(Completed a one minus the whole design. Full reduction is to complete eight subtraction element program design.)

应用背景基于VHDL实现四层电梯的运动，实现电梯的正常运转关键技术VHDL，状态机，编译码器，触发器，比较器。

OFDM中的16QAM星座映射的实现实现详细代码(In OFDM 16QAM constellation mapping to achieve the realization detailed code)

说明：  nios开发板电路图CycloneII_NiosII_2C35_Rev02_DB_SCH.zip(nios development board circuit CycloneII_NiosII_2C35_Rev02_DB_SCH.zip)