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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 ...
https://www.eeworm.com/dl/510/36281.html
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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 ...
https://www.eeworm.com/dl/510/36291.html
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无线通信 MAX7060的ASK_FSK的ISM射频发射机

Abstract: This application note illustrates the flexibility of the MAX7060 ASK/FSK transmitter. While the currently available evaluationkit (EV kit) has been optimized for the device's use in a specific frequency band (i.e., 288MHz to 390MHz), this document addresseshow the EV kit circuitry ca ...
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无线通信 有源RFID局域定位系统设计

提出了一种基于PIC16F877A微控制器和CC2500射频收发器芯片的低功耗、低成本RFID(Radio Frequency Identification, 无线射频识别)局域定位系统设计方法,介绍了系统的定位工作原理、主要硬件电路模块及定位算法的设计和实现。采用基于序列号对时隙数运算的排序算法有效解决了多标签识别碰撞的问题,基于射频辐射强度(Rec ...
https://www.eeworm.com/dl/510/36312.html
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无线通信 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 ...
https://www.eeworm.com/dl/510/36463.html
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单片机开发 ZigBee&#8482 是专为低速率传感器和控制网络设计的无线网络协议。有许多应用可从ZigBee 协议受益

ZigBee&#8482 是专为低速率传感器和控制网络设计的无线网络协议。有许多应用可从ZigBee 协议受益,其中可能的一些应用有:建筑自动化网络、住宅安防系统、工业控制网络、远程抄表以及PC 外设。此程序包提供的是Zigbee协义栈函数库源代码,它实现了一个与物理层 无关的应用程序接口。 因此,无需做重大修改就可以轻松地在射 ...
https://www.eeworm.com/dl/648/152266.html
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嵌入式/单片机编程 This manual describes Freescale’s IEEE&#8482 802.15.4 Standard compliant MAC/PHY software. The Frees

This manual describes Freescale’s IEEE&#8482 802.15.4 Standard compliant MAC/PHY software. The Freescale 802.15.4 MAC/PHY software is designed for use with the Freescale MC1319x and MC1320x, family of short range, low power, 2.4 GHz Industrial, Scientific, and Medical (ISM) band transceivers, desig ...
https://www.eeworm.com/dl/647/284886.html
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RFID编程 RFID, the wireless technology that has helped millions of people around the world to protect their

RFID, the wireless technology that has helped millions of people around the world to protect their property and make their workplaces safer is now in danger of being viewed as a security risk. Ray Stanton examines the love-hate relationship between people and Radio Frequency Identification [RFID] ta ...
https://www.eeworm.com/dl/697/417020.html
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书籍 Bandwidth-Efficient+Digital+Modulation

Traditional modulation methods adopted by space agencies for transmit- ting telecommand and telemetry data have incorporated subcarriers as a sim- ple means of separating different data types as well ensuring no overlap between the radio frequency (RF) carrier and the modulated data’s frequency spe ...
https://www.eeworm.com/dl/521819.html
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书籍 Digital Wireless Transceivers

The design and manufacturing of wireless radio frequency (RF) transceivers has developed rapidly in recent ten yeas due to rapid development of RF integrated circuits and the evolution of high-speed digital signal processors (DSP). Such high speed signal processors, in conjunction with the developme ...
https://www.eeworm.com/dl/521872.html
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