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无线通信 无线技术指南
Radio frequency (RF) can be a complex subject to navigate, but it does not have to be. If you are just getting started with radios or maybe you cannot find that old reference book about antenna aperture, this guide can help. It is intended to provide a basic understanding of RF technology, as well a ...
电源技术 Switching Regulators for Poets
 
The above title is not happenstance and was arrived at afterconsiderable deliberation. As a linear IC manufacturer, it isour goal to encourage users to design and build switchingregulators. A problem is that while everyone agrees thatworking switching regulators are a good thing, everyone ...
无线通信 射频基础知识
Radio frequency (RF) can be a complex subject to navigate, but it does not have to be. If you are just getting started with radios or maybe you cannot find that old reference book about antenna aperture, this guide can help. It is intended to provide a basic understanding of RF technology, as well a ...
电子书籍 BlackBerry Hacks will enhance your mobile computing with great tips and tricks. You ll learn that th
BlackBerry Hacks will enhance your mobile computing with great tips and tricks. You ll learn that the BlackBerry is capable of things you never thought possible, and you ll learn how to make it an even better email and web workhorse:
Get the most out of the built-in applications
Take control of em ...
嵌入式/单片机编程 Good morning, dear teachers. I am very glad to be here for your interview. my name is xx.I am 21 yea
Good morning, dear teachers. I am very glad to be here for your interview. my name is xx.I am 21 years old. I come from Dafang, a small town of Guizhou province. My undergraduate period will be accomplished in East China Jiaotong University. I major in electrical engineering and automation. I am int ...
书籍 Mobile+Communications+An+Introduction+to+New+Media
Do you have a mobile phone? We think you probably do, one way or another. We
would also guess that you might use it for many diff erent things in the course of your
everyday life—as a telephone certainly, but also as an address book, as a clock or
watch, as a camera, or now as a connection to your ...
书籍 Propagation Handbook for Wireless Communication
Wireless means different things to different people. For this book, it refers
to the radio systems that provide point-to-point, point-to-multipoint, and
Earth-space communications over transmission links that propagate outside
buildings through the lower atmosphere. Wireless systems are being built
...
技术书籍 物联网入门教程_英文版
物联网是新一代信息技术的重要组成部分。其英文名称是“The Internet of things”。物联网的定义是通过射频识别（RFID）、红外感应器、全球定位系统、激光扫描器等信息传感设备，按约定的协议，把任何物品与互联网相连接，进行信息交换和通信，以实现对物品的智能化识别、定位、跟踪、监控和管理的一种网络。
...
书籍 RFID+Systems
RFID networks are currently recognized as one a research area of priority. Research
activities related to RFID technology have been booming recently. A number of ongoing
projects are being funded in Europe, Asia, and North America. According to leading
market analysts, the development of the RFID ma ...
技术资料 窄带物联网(NB-IoT)
窄带物联网(NB-IoT)窄带物联网（Narrow Band Internet of Things, NB-IoT）成为万物互联网络的一个重要分支。NB-IoT构建于蜂窝网络，只消耗大约180kHz的带宽，可直接部署于GSM网络、UMTS网络或LTE网络，以降低部署成本、实现平滑升级。 NB-IoT是IoT领域一个新兴的技术，支持低功耗设备在广域网的蜂窝数据连接，也被叫 ...