搜索：RADIO - 虫虫下载站

无线通信  远程RFID技术探讨

RFID（Radio Frequency Identification）技术是利用射频通信实现的一种非接触式自动识别技术。拥有广阔的发展前景和巨大的市场潜力。本文介绍了RFID技术的原理、特点，深入分析了信号传输时所采取的反方向散射的调制方式，影响传输距离的因素，最后介绍了在远程RFID自动识别系统中的读写冲突和防冲突算法，更好的解决了远程 ...

https://www.eeworm.com/dl/510/36042.html

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Abstract: High-speed and low-speed data converters serve critical functions in modern broadband mobile radios. This application note outlines how todetermine high-speed data converter performance requirements in baseband sampling radio architectures. Also, system partition strategies andadvantages ...

https://www.eeworm.com/dl/510/36067.html

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无线通信  无线电设计入门资料

Abstract: The process of designing a radio system can be complex and often involves many project tradeoffs. Witha little insight, balancing these various characteristics can make the job of designing a radio system easier. Thistutorial explores these tradeoffs and provides details to consider for ...

https://www.eeworm.com/dl/510/36117.html

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无线通信  数字卫星设备控制兼容的天线供电系统设计

Abstract: This application note discusses a design for a phantom antenna power-supply system compatible with theDigital Satellite Equipment Control (DiSEqC) communication standard, using the MAX16948 automotive dual, highvoltageLDO/switch. The presented application circuit provides a remote antenn ...

https://www.eeworm.com/dl/510/36143.html

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无线通信  射频和微波系统的建模与仿真

Abstract: This application note describes system-level characterization and modeling techniques for radio frequency (RF) and microwavesubsystem components. It illustrates their use in a mixed-signal, mixed-mode system-level simulation. The simulation uses an RF transmitterwith digital predistortio ...

https://www.eeworm.com/dl/510/36144.html

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无线通信  如何优化ISM无线电频率(RF)系统

Abstract: With industrial/scientific/medical (ISM) band radio frequency (RF) products, often times users are new to the structure of Maxim&#39;s low pin-count transmitters andfully integrated superheterodyne receivers. This tutorial provides simple steps that can be taken to get the best performan ...

https://www.eeworm.com/dl/510/36198.html

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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&#39;s use in a specific frequency band (i.e., 288MHz to 390MHz), this document addresseshow the EV kit circuitry ca ...

https://www.eeworm.com/dl/510/36309.html

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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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