用Verilog HDL语言编写的AT24C04程序，并用数码管显示，已经过测试，很好用...

rda1846 + pic18f2552 usb circuit schematic.

XAPP224 VHDL Data Recovery design file

Modelsim 5.6 se 简易使用教程 -Modelsim 5.6 se easy to use tutorial

。给出了时域滤波的基本原理以及通常采用的 IIR 椭圆地物杂波滤波器的设计方法。重点研究了回归滤波器这一时域滤波算 法。从正交多项式的拟合出发，给出了回归滤波器抑制地物杂波的基本原理及 其滤波实现过程。通过对回归滤波器的计算复杂度的研究，寻找使回归滤波器 计算量最小的正交多项式。分析了回归滤波器频率响应特性，比较了回归滤波 器与IIR 椭圆地物杂波滤波器的计算复杂度。利用仿真的雷达信号，分析了回 归滤波器的地物杂波抑制性能。回归滤波器实际上是一高通滤波器，它在滤掉 低频地物杂波的同时，对落在滤波器阻带内的天气回波信号同样会造成衰减。 在天气回波信号谱宽固定的情况下，通过改变天气回波信号的平均多普勒频率， 分析了回归滤波器对它的衰减情况。在基于一组实际采集的雷达信号的基础上， 给出了回归滤波器的地物杂波抑制比随着滤波器阶数的变化情况。(Firstly, this dissertation introduces the research background and significance of ground clutter suppression, analyzes the characteristics of the ground clutter and weather signals in the Doppler weather radars and simulates Doppler radar echo signals (It includes ground clutter, weather echo signals and the mixture of them). The simulated signals are used later to study the time and frequency domain ground clutter suppression. Secondly, this dissertation talks about the time domain filtering, gives the basic theory of time domain filtering and describes the design method of the usually used fifth-order elliptic infinite impulse response (IIR) ground clutter filter. In the time domain, the work focuses on the regression filter. From the orthogonal polynomials fit, this dissertation gives the basic theory of the regression filter for ground clutter suppression and the filtering process using a regression filter. Through the study of the computational complexity of regression)

一个Verilog的JTAG程序例子，包括完整的说明文档和源文件。(tap_top.v This file is part of the JTAG Test Access Port (TAP) http://www.opencores.org/projects/jtag/ Author(s): Igor Mohor (igorm@opencores.org))

如果需要用verilog设计一项比较简单的功能，那么这个浅显易懂的程序能让你很快明白点阵的设计方法，尤其是对那些初学者(If you need to use a relatively simple verilog design features, then this easy to understand design of the program allows you to quickly understand the lattice method, especially for those who are beginners)

Modelsim简明使用手册，十分适合新手使用-Modelsim concise user manual is very suitable for novice to use

LCD显示工程，其中包含了顶层文件和各个底层文件(LCD display project, which contains the top-level document and all underlying file)

3-8译码器地简单实现，采用QUARTUSii5.0环境编译-3-8 decoder to realize a simple, using the compiler QUARTUSii5.0 environment

Altera DE0-Nano 开发平台SOPC可编程片上系统实现官方Demo。(Altera DE0-Nano development platform the SOPC programmable on-chip system Official Demo.)