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书籍 Radio+Spectrum+Management
An understanding of the policies, regulations, standards and techniques of radio spectrum
management is useful to those who manage and administrate it, to operators, to equipment
providers and to the users of wireless communication (i.e., all of us). For many years the author
has been deeply involve ...
书籍 Mobile+and+Wireless+Communications
One of the very first books published on the social impact of the mobile phone
was Timo Kopomaa’s The City in Your Pocket: Birth of the Mobile Information Society.
The book, published in 2000, was based on research that Kopomaa had under-
taken for Nokia and Sonera as part of his doctoral studies i ...
技术资料 基于单片机的区域自动气象站太阳能充放电控制器设计
文章利用PIC16F676单片机作为控制核心,辅以必要的外围电路,设计了一种区域自动气象站太阳能充放电控制器。详细介绍了电路原理、各种功能实现方法及软件程序流程图,给出了测试结果。该控制器更加适合区域自动气象站太阳能供电,克服了冬天低气温环境条件下蓄电池难以充满、夏天高气温环境条件下蓄电池过充电的弊端,限制蓄电池 ...
技术资料 基于无人机的空气质量监测系统设计
针对大气环境保护问题设计一种基于单片机的无人机空气质量监测系统数据链,以实现对空气质量数据的采集分析、显示输出以及定位污染源的功能。通过无人机搭载空气质量监控模块,利用主控芯片分析采集的数据;通过GPS定位系统准确的定位监测地带,利用GPRS通信协议网络快速准确的将监测到的空气数据和定位数据传回地面终端,追踪污 ...