FFT处理器，FPGA的设计，适用于信号处理技术参考…

产生高斯最小相移键控信号的阐述仿真，包括调制解调、信道模型等。(Simulation program to realize GMSK transmission system)

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)

d flip flop t flip flop counter mux using active hdl can be run using 3.2 version and creating new design

一个用VerilogHDL语言编写的多路解复用器-a Verilog HDL language used in the preparation of multi-channel demultiplexer

使用VHDL实现锁相环,是个学习VHDL的好例子,与众分享-PLL using VHDL, VHDL is learning a good example, sharing with the public

说明：  通过MATLAB产生单脉冲信号的数据，存储下来作为verilog代码实现的DDS的数据源，用于验证DA数据的ddio的调试是否有问题。(The data of monopulse signal generated by MATLAB is stored as the data source of DDS implemented by Verilog code to verify whether the ddio debugging of DA data is problematic.)

这个程序为通信中的16QAM调制程序，可用于无线或有线通信系统的调制仿真之用。(The 16QAM modulation communication this program can be used for wireless or wired communication system modulation simulation purposes.)

DDS在现在运用月来越广泛，在相对带宽、频率转换时间、相位连续性、正交输出、高分辨力以及集成化等方面都远远超过了传统频率合成技术所能达到的水平，为系统提供了优于模拟信号源的性能。利用DDS技术可以很方便地实现多种信号。在FPGA上实现的DDS-DDS now to the use of more extensive relative bandwidth, frequency conversion time, phase continuity, quadrature output, high-resolution and integration, and other aspects far more than the traditional frequency synthesizer technology can achieve the level To provide a superior analog signal source performance. DDS technology can be used very easily to a variety of signal. FPGA Implementation of DDS

这是我本人自己开发的可用于256*256大小的图像进行sobel边缘检测的vhd文件，可在QuartusII或MaxplisII下综合与与仿真，并在FPGA上测试过。能进行修改支持其他大小图像的sobeel边缘检测，同时还能实现其它的图像模块化处理算法，例如高斯滤波，平滑等。 (This is my own development vhd file, can be used for 256* 256 size image sobel edge detection under QuartusII or MaxplisII synthesis and with simulation, and tested on FPGA. Can be modified to support other sobeel size image edge detection, while still achieving other image the modular processing algorithms, such as Gaussian filtering and smoothing.)

vhdl code for programming