Wireless communications and networking technology are advancing at a very rapid pace. Newer technologies and standards are evolving to serve the ever-increasing num- ber of us...

This book is focused on designing and developing Representational State Transfer (REST) platforms in Rails. REST is the architectural style of the Web, consisting of a set of ...

介绍了以PLC为控制单元，变频器为执行单元的控制系统及其在烟支输送储存系统中的应用，并给出了系统的组成、硬件的配置及具体的实现方法。关键词 : PLC 变频器输送储存系统 Ab str ac t;T hisp aperi ntroducest hec ontrols ystem whichc onsistso fP LCa ndf requency...

Microwave radio network design is a subset of activities that constitute the overall transmission network design. Transmission networks are sometimes called transport networks...

When we started thinking about writing the first edition of this book a few years ago, we had been working together for more than five years on the borderline between propagat...

本文设计了一种基于单片机的数字式电子热量秤。不仅进行了系统整体设计方案的确定,还以单片机为控制核心,开发了数字式电子热量秤的硬件平台,对系统各个模块的硬件电路进行详细设计,最后开发了基于硬件平台的软件程序,软件和硬件共同构成了一个完整的电子系统,实现数字电子热量秤功能。This paper designs a digital electronic ...

本文主要介绍了一种AT89S52单片机为核心的教室灯光自动控制系统,针对学校商场等室内灯光的控制现状以及大量浪费能源浪费问题详述了系统的硬件设计和软件设计思路。重点研究了热释红外传感器如何检测人体的存在和光敏三极管构成的电路如何检测环境光的强度。根据教室里的自然条件,系统会通过对人体信号的检测和光照强度的信号识别自动加以判断,构成对教室照明回路的智...

PrefaceDuring the past years, there has been a quickly rising interest in radio access technologies for providingmobile as well as nomadic and fixed services for voice, video,...