基于UML的食堂就餐卡系统的分析与设计

MAXIM 504 DAC 数模转换器说明书-User manual for Maxim 504 DAC

有：便携式多功能量水仪的研制 AD603在信号采集系统中的应用 一种用D_A转换器构成的程控增益放大器 -Are: the volume of water in portable multi-function Device AD603 in the signal acquisition system A converter consisting of D_A Programmable Gain Amplifier

中国某电信公司电子商务平台分为两层：支撑层和业务层，支撑层为电子商务业务的开展提供支撑功能，包括认证系统、支付系统、移动终端安全系统以及整个电子商务业务的计费和结算系统；业务层包括各种具体的电子商务业务以及为各种业务提供公共服务功能的业务平台。-a Chinese telecommunications company e-commerce platform is divided into two tiers : the supporting layer and the business layer, layer support for the development of e-commerce to provide business support functions, including authentication systems, payment systems, mobile terminals and security systems throughout the e-commerce business billing and settlement systems; Layer including business specific business and e-commerce operations for the full range of public services business platform.

一种利用SPC3实现PROFIBUS-DP和modbus通讯的方法。-Achieved by means of a SPC3 PROFIBUS-DP and modbus communication methods.

circuits, design of three phase 12 pulse converter. it is very useful for improving the power factor.-circuits, design of three phase 12 pulse converter. it is very useful for improving the power factor.

电子地图查询系统 V0.90源代码 电子地图查询系统 V0.90源代码-Inquiry System Electronic Map Electronic Map V0.90 source code query system V0.90 source code

依靠强大的专业开发团队、PHILIPS 半导体的领先技术与国际 CiA 协会、ODVA 协会的支持，我们致力于发展 中国的 CAN 产品与应用事业。至现在，我们已成功开发出一系列 CAN-bus 教学、接口、工具、应用产品，能够为客 户提供从“芯片”、“工具”、“模块”、“方案”等各个方面的服务，涉及 CAN-bus 多个行业与应用领域。我们自主开 发的数个型号产品已经领先于国外技术水平，并已投入广泛的实际应用。 CAN-bus 专 用 芯 片 -Rely on a strong professional development team, PHILIPS leading semiconductor technology and international CiA Association, ODVA Association, we are committed to the development of China

1、 生产者―消费者问题是一种同步问题的抽象描述。 2、 计算机系统中的每个进程都可以消费或生产某类资源。当系统中某一进程使用某一资源时，可以看作是消耗，且该进程称为消费者。 3、 而当某个进程释放资源时，则它就相当一个生产者 -one, producer-consumer problem is a problem of synchronization of the abstract description. 2, the computer systems of each process can consumption or production of certain resources. When a process system using a resource, can be seen as expendable, and the process known as consumers. 3, and when a process to release resources, then it is a producer

凌厉特 TL3481 电路家硬件设计要点-aggressive special TL3481 circuit hardware design features

With shift add way to implement multiply harware circuit.-There are many design for multiply process.This vhdl code provide parallel circuit to do multiply function.