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rayleigh-distribution-matlab
- In wireless communications, fading is deviation of the attenuation that a carrier-modulated telecommunication signal experiences over certain propagation media. The fading may vary with time, geographical position and/or radio frequency, and is often
xx
- 快速自适应算法结合高速处理器件在跳频电台频率估计中的应用.pdf-Fast adaptive algorithm combines high-speed processing devices in the frequency-hopping radio frequency estimation application. Pdf
1205
- xe1205无线射频芯片驱动程序,真的很好呀-radio frequency chip xe1205 driver, you really good
RIL_design
- 目前的智能机在硬件上多采用双cpu的架构,一个是基带处理器,主要处理数字信号、语音信号的编码解码以及GSM通信协议,另一个是应用处理器,运行操作系统和各种应用程序。基带处理器、射频和其它外围芯片作为一个模块,成为GSM/GPRS modem,提供AT命令接口。网络的应用已经是一个需求的热点,而目前的GSM模块大多都能支持GPRS功能。应用处理器通过AT命令集与带GPRS功能的无线通讯模块通信,为实现网络的应用提供了一个最底层的支持。 -Intelligent machines in the
RFID
- this a document about radio frequency identification RFID, this was a project ,i have done last year ,actually this technology is a very inpotrtant one due to its relation with newest technologies , like GPS , or the miniturization of integrated circ
nrf2401a
- 采用大规模专用射频集成电路nRF2401A设计、实现短距离无线数据传输设备,基本性能指标为:通信距路不小于100米,传输速率不小于200kbps,发射功率可控,可实现点对点及点对多点通信。课题内容涉及基于nRF2401A射频集成电路及单片微机的硬件电路设计、系统控制软件及点对多点数据传输软件设计等。本课题侧重于基于nRF2401A射频集成电路及ATMEG16L单片微机的硬件电路设计。-Large-scale integrated circuits using a dedicated radio
Radiofrequencycardreader
- 射频读卡器方案 该方案采用Silicon Lab 公司超低功耗SOC 型单片机C8051F31x,流水线指令 结构,70 指令执行时间为一个或两个系统时钟周期,速度可达25MIPS 灵活的 时钟源-Radio frequency card reader program used the program Silicon Lab company SOC-based single-chip ultra-low power C8051F31x, command line structure,
zigbee
- 环境监测无线传感器网络节点的设计 针对环境监测的要求,开发了一种兼容型的无线传感器网络节点系统。该系统以MSP430FG4618为核心,采用 CC2420 214G射频芯片,软件上移植了德州仪器( TI) ZigBee协议栈,并在应用层开发了通信程序。该系统可以组建成稳定的网状网络,功耗低,数据传输稳定.-Environmental monitoring wireless sensor network node designed for environmental monitoring requ
RC500_protecol
- 射频识别飞利浦MF RC500系列编程通信协议文档-Philips MF RC500 series of radio frequency identification communication protocol programming documents
RFID-Technology-and-Applications
- 无线电频率识别(RFID)技术市场的迅速增长,增值的重大机遇,但也因为在接下来的章节中失败,很多机会中确定具有挑战性的问题。-The market for radio frequency identification (RFID) technology is growing rapidly, with significant opportunities to add value, but also, because of the challenging issues that are ident
10
- 认知无线电的英文文章,介绍频谱测量方法及算法-A Framework for Radio Frequency Spectrum Measurement and Analysis
rfid
- Nous ′etudions ici diff′erents aspects de la technologie RFID (Radio Frequency IDentification ), qui consiste `a utiliser des champs ′electromagn′etiques et des ondes radio pour alimenter `a distance et communiquer avec des ′etiquettes.-Nous ′etudion
carrier-frequency--capture
- 高动态环境下载波频率捕获的设计与实现,针对高动态的机载环境和FPGA的应用要求,比较并确定了基于软件无线电思想的扩频接收机中载波频率捕获的方案;完成了鉴频器、比特定时提取电路等模块的设计.论文对系统进行了理论分析和性能仿真-Download frequency of the high dynamic environment to capture the design and implementation of application requirements for high dynamic a
a7105_test_code
- A7105笙科公司的源代码有祥细的注释,上传上来希望对无线射频工程师有帮助吧,本文档由单片机学习网收集:http://www.emcuc.com单片机编程-A7105 Sheng company' s source code detailedly comment, and upload up hope on the radio frequency engineer, this document by the MCU Learning Network Collection: http://w
Personal-Privacy-Device-Interference-in-the-WAAS.
- The Federal Aviation Administration (FAA) Wide Area Augmentation System (WAAS) Monitoring Team has investigated increases in Radio Frequency Interference (RFI) events observed since 2009. The Oklahoma City-based WAAS Monitoring Team initially observe
[15]Optimal-distributed-joint-frequency--rate-and
- power allocation for cognitive radio
AN_A7108_HW-V0.3
- 笙科电子(AMICCOM)于2011年7月发表新一代应用于智能电网的射频芯片, 该芯片为A7108,支持中国智能电网所选用的470MHz ~ 510MHz,以及欧洲无线自动读表所使用的868.3MHz 与868.95MHz频段,除此之外,A7108当然也支持1GHz 以下免执照的ISM Band应用 (300MHz ~ 950MHz)-AMICCOM (AMICCOM) published in July 2011, a new generation of radio frequency chi
Si4432datesheet
- si4432射频芯片的中文开发资料,寄存器配置等-the si4432 radio frequency chip Chinese development information, register allocation
EPC13.56MHz_class1.pdf
- technical report 13.56 MHz ISM Band Class 1 Radio Frequency Identification Tag Interface Specification: Candidate Recommendation, Version 1.0.0 abstract This document specifies the radio frequency communication interface and Reader commande
software-radio-based-on-SOPC
- 介绍了软件无线电的概念和结构, 针对传统软件无线电实现方案, 提出一种基于SOPC 技术的中频软件无线电解决方案。系统采用基于Nios II 软核处理器的SOPC 技术, 在ALTERA 公司 的FPGA 上实现了片上系统。基于SOPC 技术的软件无线电系统具有极高的灵活性、可扩展性,这充分 体现了软件无线电的设计思想。-Describes the software radio concept and structure of traditional software radio i