python 写的zip压缩解压缩程序，用来理解python的编程

根据3GPP25.141协议生成测试模式1下的WCDMA系统激战测试数据格式。-3GPP25.141 agreement in accordance with test pattern generation WCDMA systems under one battle test data format.

一个简单的pop3/smtp邮件服务器，可用于内部网络邮件发送-POP3/SMTP mail servers, internal networks can be used to send e-mail

2.0G频率计的制作全过程 是pdf格式的-2.0G frequency of the entire process of production is a pdf format

一个网吧管理系统程序，用JBuilder开发，SQL为底层-an Internet cafe management system procedures, using JBuilder development, SQL to the bottom

小球加速运动，可用于多种扩展。物体加速的算法-Ball accelerated motion, can be used for a variety of expansion. Objects to speed up the algorithm

在设计数字滤波器时，通常采用MATLAB来进行辅助设计和仿真,介绍具体的设计方法-In the design of digital filters, it is usually carried out using MATLAB-aided design and simulation, introduction of specific design methods

Sensor Control for irrigation and likwise projects

专家系统。用于孤立性肺结节的诊断。 -expert

贪吃蛇--纯粹的结构化思想,在turboc2.0编译器下实现,初学者看看回有点收获.-Snake simply structured thinking, in the compiler under turboc2.0, beginners look back a little harvest.

恒流驱动和提 高LED的光学效率是LED 应用设计的两个关键问题，本文首先介绍大功率LED的应用及其恒流驱动方案的选择指南，然后以美国国家半导体(NS)的产品为例，重点讨论如何巧妙应用 LED恒流驱动电路的采样电阻提高大功率LED的效率，并给出大功率LED驱动器设计与散热设计的注意事项。-LED constant current drive and to improve the optical efficiency of LED application design of two key issues, this paper describes the application of high-power LED constant current driver and the choice of the program guide, and then the United States National Semiconductor (NS) products, for example, focus on how skillful application of LED constant current driver circuit of the sampling resistor to improve the efficiency of high-power LED, and gives high-power LED driver design and thermal design considerations.