System Veirlog实现的AHB总线

verilog语言写的一个四层电梯程序，有优先级的判断。(verilog language of a four-story elevator procedures to determine priority.)

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)

基于VHDL语言的CORDIC算法实现，用于计算sin(x),cos(x)等，实测可用(Based on VHDL CORDIC algorithm, used to calculate sin (x), cos (x), etc., the measured available)

应用背景该工程为黑金Alinx开发板配套项目，实现了实时视频采集与处理，代码架构完整清晰，非常适合视频处理算法的移植。关键技术该工程主要完成PAL制视频BT656格式的解码，视频数据DDR2存取，双线性插值放大及VGA输出，值得希望学习Altera ddr2 ip的同学参考借鉴~

verilog 实现的FFT 流水线操作，速度能达到200M(verilog pipelining the FFT implementation, the speed can reach 200M)

VHDL由简单存储器，计数器等搭建最终实现8位的cpu设计(VHDL realization 8 of cpu design)

说明：  浮点数加法器的源代码,实现浮点数的加法功能，浮点数遵循的是IEEE745标准(floating_piont addition)

用Verilog实现的16位进位先行加法器。实现了饱和算法。

Reed-solomon decoder, encoder design note

这是基于MATLAB编程实现自适应滤波器，并在XILINX的FPGA上硬件可实现的模型文件(This is based on the MATLAB programming adaptive filter, and the XILINX' s FPGA hardware can be a model document)