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joan
- 【摘要】感知无线电可以自动感知外界的无线环境并能调整系统参数以适应环境的变化。频谱检测是感知无线电的关键 技术之一，要求感知用户可靠、快速地检测频谱空洞。文中按照主用户发射端检测和主用户接收端检测，对当前的主要频谱检测 算法进行了分类，并对频谱检测算法进行了讨论和对比研究，给出了在IEEE802．22和频谱池结构中的频谱检测的具体应用。-Abstract cognitive radio can automatically sense the external environment an
cc1101
- 介绍CC1101方面的datasheet，主要讲述射频收发方面的参数，动态特性，内容详尽。-CC1101 described in the datasheet, the main aspects of the argument about the radio frequency transceiver, dynamics, and detailed.
FM
- 基于FM模块的数字调谐收音机设计 设计用单片机控制并显示调谐频率的简易数字调谐收音机，实际控制电路及软件的设计与调试-FM digital tuning module based radio design and display design with the SCM easy tuning digital tuning radio frequency, the actual control circuit and software design and debugging
Report
- Radio frequency Identification (RFID)
supermarket
- 基于射频技术的超市管理系统，实现系统的模块化设计。-Supermarket management system based on radio frequency technology
xhu_cfghgh
- 随着无线通信技术的发展，基于此技术的各种应用得到 迅速发展。在无线局域网（WLAN）、射频标签（RFID）、无线 传感器网络(WSN)等应用中，天线作为无线电设备中发射和接 收无线电波的装置，将在很大程度上影响整个系统的性能。 这些应用也对天线的小型化，全向性，多极化提出来较高的 要求。微带天线以其体积小，重量轻，便于集成等优点，在 无线通信应用中得到了的大量的应用与改进。本文就应用于 特高频（UHF）频段的印刷天线进行了小型化的设计改进，在 HFSS 中设计并仿
wideband-radio-channel
- This paper presents a proposed model in an explicit form and its simulation results for characterizing wideband line-of-sight (LOS) radio channel in an urban microcellular environment. The model is fast to compute, easy to implement, and on
RF-Calc
- radio frequency identification (rfid) sample-radio frequency identification (rfid) sample
rfid
- 在对射频识别技术研究的基础上, 介绍了一种基于RS485 和TCP/IP 通讯协议的联机型非接触式IC 卡门禁控制系统,-, Based on RS485 and TCP/IP communication protocol type non-contact IC card access control system based on radio frequency identification technology research,
RFIDProject
- 近些年，由于射频技术发展迅猛，应答器有了新的说法和含义，又被叫做智能标签或标签。RFID电子电梯合格证的阅读器（读写器）通过天线与RFID电子标签进行无线通信，可以实现对标签识别码和内存数据的读出或写入操作。典型的阅读器包含有高频模块（发送器和接收器）、控制单元以及阅读器天线。RFID射频识别是一种非接触式的自动识别技术，它通过射频信号自动识别目标对象并获取相关数据，识别工作无需人工干预，可工作于各种恶劣环境。RFID技术可识别高速运动物体并可同时识别多个标签，操作快捷方便。RFID是一种简单的
pppp
- 无线射频，手机电路，电视家电，信号处理，电源电路等电路图应有尽有。 2 PCB使用教程，PCB使用技巧，PCB布线规则，PCB layout经验资料丰富精彩。-Schematic radio frequency, cell phone circuit television appliances, signal processing, power supply circuit everything. Tutorial 2 PCB, PCB tips, PCB routing rules,
Mini-Project-On-am-rx
- AM RECEIVER based on super heterodyne principle virtually used in all modern radio and television receivers. The approach mainly involves the use of heterodyning or frequency mixing. The signal from the antenna is filtered sufficiently at least to re
FPGA-DESIGN-OF-A-HARDWARE-EFFICIENT-PIPELINED-FFT
- The digital wideband receiver is a critical component in modern digital receivers. The receiver has the capability to expose and distinguish adverse signals contained within a large bandwidth (on the order of 1 GHz or more) of the radio frequency (RF
Si4432-430rf-system
- 本文设计了一种基于无线收发芯片Si4432和 C8051F930单片机的无线射频收发系统。该系统由发送 模块和接收模块组成-In this paper, a wireless transceiver chip Si4432 is designed. The radio frequency transceiver system of C8051F930 microcontroller. The system is transmitted by Modules and modules
2014_04_msw_a4_format
- — In this current world the passport and other identification docuentms may be improved by this enhancing technology. This can be brought in practical by pursuing electronic machine reliable approaches with biometric information International Civil A
RFID
- 涉及超高频射频识别技术数字基带领域，更具体的，涉及一种可进行基带信号频偏估计的米勒码的快速解码方法。-UHF radio frequency identification technology involves the digital baseband, and more particularly, relates to a baseband signal frequency estimation of rapid decoding method Miller codes.
wireless
- 介绍了一种可靠的无线射频对码方法，基于CC1101-This paper introduces a reliable method of wireless radio frequency to code, based on CC1101
ETC
- 一篇关于ETC中射频识别系统的研究与开发的论文，分享出来给大家-A paper on the research and development of radio frequency identification system in ETC,share out for everyone to see.
Aloha2
- 对射频识别中aloha算法的吞吐率、时延性能进行了仿真，并与帧时隙aloha算法进行了对比。-The throughput and delay performance of Aloha algorithm in radio frequency identification are simulated and compared with frame time slot Aloha algorithm.
WLAN_APrf
- wlan的ap的射频测试用例，对射频的测试进行详细的步骤说明，请需要的人员下载-Wlan ap rf test case, test detailed explanation of the steps for radio frequency (rf), please download need of personnel