Mobile WiMAX Toward Broadband Wireless
Wireless metropolitan area networks (WirelessMANs) is emerging as a promising broadband wireless access (BWA) technology to provide high-speed, high b...
Wireless metropolitan area networks (WirelessMANs) is emerging as a promising broadband wireless access (BWA) technology to provide high-speed, high b...
Wireless communications has become a field of enormous scientific and economic interest. Recent success stories include 2G and 3G cellular voice and d...
Although the origins of radio frequency based wireless networking can be traced back to the University of Hawaii’s ALOHANET research project in the 19...
该文档为IEEE802_11n标准下的4G关键技术解析讲解文档,是一份很不错的参考资料,具有较高参考价值,感兴趣的可以下载看看...
本设计是基于AT89C51单片机和ADC0832的自动浇花系统。本设计的电路内部包含湿度采集和AD转换等主要功能。自动浇水系统设计的浇水部分是通过单片机程序设计浇水的上下限值与感应电路送入单片机的土壤湿度值相比较,当低于下限值时,单片机输出一个信号控制浇水,高于上限值时再由单片机输出一个信号控制停止...