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TECHNOLOGY 524

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  • 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 ...

    /dl/36281.html

    标签: 射频 基础知识

    上传时间: 2013-10-23

    上传用户:685

  • 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 ...

    /dl/36291.html

    标签: 无线技术

    上传时间: 2013-10-08

    上传用户:kinochen

  • 无线电能传输技术展望 黄学良

      无线电能传输技术(Wireless Power Transfer Technology)又称无接触电能传输(Contactless Power Transmission,CPT)技术早在1890 年,由著名电气工程师(物理学家)尼古拉·特斯拉(Nikola Tesla) 提出。  

    /dl/36460.html

    标签: 无线 传输技术 电能

    上传时间: 2013-10-20

    上传用户:zhliu007

  • DN381 RFID接收器的基带电路

      Radio Frequency Identifi cation (RFID) technology usesradiated and refl ected RF power to identify and track avariety of objects. A typical RFID system consists of areader and a transponder (or tag). An RFID reader containsan RF transmitter, one or more antennas and an RFreceiver. An RFID ...

    /dl/36463.html

    标签: RFID 381 DN 接收器

    上传时间: 2013-10-17

    上传用户:lepoke

  • 轨道交通系统中列车定位技术

       阐述了轨道交通列车定位技术。介绍了在轨道交通系统中列车定位技术的功能,国内外轨道交通中主要采用的列车定位方法,重点论述了几种主要定位技术,并从定位精度、闭塞制式、维护投资成本、抗干扰等方面进行分析比较。提出目前轨道交通定位技术应综合运用,取长补短,多种方法相互融合,才能满足轨道交通中对 ...

    /dl/36486.html

    标签: 轨道交通 列车 定位技术

    上传时间: 2013-11-25

    上传用户:franktu

  • ZigBee无线传感网络的路由协议研究

     为满足无线网络技术具有低功耗、节点体积小、网络容量大、网络传输可靠等技术要求,设计了一种以MSP430单片机和CC2420射频收发器组成的无线传感节点。通过分析其节点组成,提出了ZigBee技术中的几种网络拓扑形式,并研究了ZigBee路由算法。针对不同的传输要求形式选用不同的网络拓扑形式可以尽大可能地减少系统成本。 ...

    /dl/36488.html

    标签: ZigBee 无线传感网络 协议研究 路由

    上传时间: 2013-10-09

    上传用户:robter

  • UHF读写器设计中的FM0解码技术

       针对UHF读写器设计中,在符合EPC Gen2标准的情况下,对标签返回的高速数据进行正确解码以达到正确读取标签的要求,提出了一种新的在ARM平台下采用边沿捕获统计定时器数判断数据的方法,并对FM0编码进行解码。与传统的使用定时器定时采样高低电平的FM0解码方法相比,该解码方法可以减少定时器定时误差累积的影 ...

    /dl/36490.html

    标签: UHF FM0 读写器 解码技术

    上传时间: 2013-11-10

    上传用户:liufei

  • S参数的设计与应用

    Agilent AN 154 S-Parameter Design Application Note S参数的设计与应用 The need for new high-frequency, solid-state circuitdesign techniques has been recognized both by microwaveengineers and circuit designers. These engineersare being asked to design solid state circuitsthat will operate at higher an ...

    /dl/36564.html

    标签: S参数

    上传时间: 2013-12-19

    上传用户:aa54

  • 时钟恢复设计_英文版

    Today in many applications such as network switches, routers, multi-computers,and processor-memory interfaces, the ability to integrate hundreds of multi-gigabit I/Os is desired to make better use of the rapidly advancing IC technology.

    /dl/36752.html

    标签: 时钟恢复 英文

    上传时间: 2013-10-30

    上传用户:ysjing

  • 《器件封装用户向导》赛灵思产品封装资料

    Introduction to Xilinx Packaging Electronic packages are interconnectable housings for semiconductor devices. The major functions of the electronic packages are to provide electrical interconnections between the IC and the board and to efficiently remove heat generated by the device. Feature sizes a ...

    /dl/39540.html

    标签: 封装 器件 用户 赛灵思

    上传时间: 2013-11-21

    上传用户:不懂夜的黑