介绍一种采用半桥电路的开关电源，其输入电压为交流220V±20％，输出电压为直流4～16V，最大电流40A，工作频率50kHz。重点介绍了该电源的设计思想，工作...

这是一个介绍PCI硬件底层驱动程序的编写方法文档。介绍了一些底层驱动函数的使用方法-This is a PCI hardware on the bottom of the Driver compilation of documents. On the bottom of some drivers use the function

广西证券电子商务系统方案建议书 V1.08-Guangxi Securities E-commerce System proposals V1.08

divider code .. in VHDL language

plc梯形图算法,语句表和梯形图的互译,WWW.CHINA-PLC.COM/BBS提供-plc ladder algorithm, the statement tables and ladder diagram of Translation, provide WWW.CHINA-PLC.COM/BBS

编程序实现下述磁盘调度算法,并求出每种算法的平均寻道长度，要求设计主界面以灵活选择某算法，且以下算法都要实现： 1、先来先服务算法（FCFS） 2、最短寻道时间优先算法（SSTF） 3、扫描算法（SCAN） 4、循环扫描算法（CSCAN） -programmed to achieve the following disk-scheduling algorithms, and each algorithm calculated the average Seeking length, main interface designed in a flexible choice of a particular algorithm and the algorithm must achieve the following : 1. first-come first-service algorithm (FCFS queue) 2, the shortest tracking time priority algorithm (SSTF), 3 scanning algorithm (SCAN) 4, cycle scanning algorithm (rltrasonic)

qpsk modulator demodulator

基于89S51单片机的双步进电机协调控制器的设计带RS485功能-89S51-based single-chip dual stepper motor controller design coordination function with RS485

游戏策划案例-和平与战争，完整策划内容。-A web game demo.

arm_tracerII_v2.0说明书-arm_tracerII_v2.0 brochures

关于H.264在无线网络上应用的文章,主要介绍了网络承接H.264业务的架构与策略- About H.264 in the wireless network the application article, mainly introduced the network continues the H.264 service the overhead construction and the strategy