Program to implement convolution of two signals.

利用FPGA开发板的PCIE接口实现数据的传输和发送。(Using the PCIE interface of FPGA development board to realize data transmission and transmission.)

This is a simple example of FIFO(first in and first out) module written in verilog code(This is a simple example of FIFO (first in and first out) module written in verilog code)

主要论述了基于FPGA的末制导雷达伺服系统设计。结合末制导雷达讨论其电机控制、二阶伺服系统性能和PID校正算法,利用VHDL语言设计,实现基于FPGA的方位步进电机开环定位控制和俯仰直流电机闭环速度控制的伺服系统。结合实际应用中遇到的问题,提出了基于"反馈控制"理论的有效的补偿算法,该算法提高了伺服系统的稳定性、快速性和精度。(Mainly discusses the design of terminal guidance radar servo system based on Field Programmable Gates Array(FPGA).It includes the system’s electric machine control,second-order servo system performance and PID correction algorithm based on Virtual Hardware Description Language(VHDL) on azimuth stepping motor open loop positioning control and pitch direct current electric machine closed loop speed control of the FPGA servo system.In allusion to some factual problems during its application,presents corresponding effective solutions based on traditional control theory "Feedback Control".The fact proves that these methods can greatly improve the stability,speediness and precision of the original servo system.Additionally,a basic algorithm which can be realized in a terminal guidance radar servo system is given)

n_bit_paralleLoadShiftRegJK

说明：  自己写的DES的verilog实现。输入输出实现了并转串。(DES algorithm implemented in verilog.)

FFT的VHDL源代码-fft vhdl source code

NOR FLASH CONTROLLER

用vhdl实现的booth算法乘法器，包含了multiplexer和rca adder，同时提供了一个测试文件，modelsim测试通过(Algorithm with a booth multiplier vhdl implementation, including a multiplexer and rca adder, while providing a test file, modelsim test pass)

基于DE2-115开发板设计的一个数字钟，能进行正常的小时、分、秒计时功能，并分别由开发板上面的数码管显示秒（60s）、分（60min）、小时（24hours）的时间。并具有手动调整时间的功能(DE2-115 board design based on a digital clock, and enables the normal hours, minutes, seconds chronograph function, and were above the development board digital display seconds (60s), points (60min), hours (24hours) time . And has a function to manually adjust the time)

Verilog HDL的PLI子程序接口，用于与用户C程序在2个方向上传输数据，可用xilinx ISE，quartusii或modelsim仿真，-Verilog HDL PLI subroutine interfaces, for C program with the user in the direction of two transmission of data, available xilinx ISE. quartusii or modelsim simulation,