Results 121 to 130 of about 20,719 (245)
Diffraction modelling of mobile radio wave propagation in built-up areas
, 1991 This thesis was submitted for the degree of Doctor of Philosophy and awarded by Brunel University.This thesis examines theoretical methods of modelling radio wave propagation in built-up areas, with particular application to mobile radio systems ...
Saunders, S.R, Saunders, Simon Reza
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RF front-end circuit and baseband codec deign based on UHF RFID
, 2009 射频识别（Radio Frequency Identification，RFID）技术，是一种利用射频通信实现的非接触式的数据采集和自动识别技术（以下通称RFID技术）。而超高频射频识别技术（Ultra High Frequency RFID，UHF RFID）具有识别距离远、识别准确率高、识别速度快、抗干扰能力强等特点而成为当前研发的热点。UHF RFID读写器的难点就在于射频前端电路和基带编解码的设计，它们设计的好坏直接决定了读写器的性能好坏。本文首先通过介绍UHF ...
曹文学
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Series SRR Loaded UHF RFID Tag
, 2016 An RFID tag based on a series loaded split ring resonator (SRR) to operate in the European UHF RFID band of 865-867MHz is reported. A chip of impedance 27-j212Ω is connected at the terminals of the antenna and the read range measurements of the RFID tag ...
John, K.K. Aju, Mathew, Thomaskutty
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Comparison with existing UHF antenna.
, 2018 Comparison with existing UHF antenna.
Md. Amanath Ullah (5963213) +6 more
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Localization of Metallic Lost tools by Using UHF RFID Systems [PDF]
openThe frequent loss of tools and parts, particularly metallic ones, presents significant economic and operational challenges in industrial settings, such as automotive manufacturing.
HAMROUNI, NAOURES ATIDEL
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Near field UHF RFID tag antenna backed by a conducting loop reflector
, 2011 A novel UHF printed loop antenna backed by a conducting loop reflector is proposed for near field RFID tag antenna application. The backed conducting loop reflector is adopted to achieve stronger magnetic field distribution along the loop tag antenna in ...
Tiang, Jun-Jiat +2 more
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A UHF RFID sniffer for the Flipper Zero platform
LAUREA MAGISTRALELa tecnologia RFID UHF ha guadagnato una notevole diffusione nel mercato RFID nel corso degli ultimi anni, trovando applicazione in vari settori come l'asset-tracking, il pedaggio dei veicoli, e la gestione delle catene di ...
LUNGHEU, VALERIO
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, 1985 A wideband multifrequency UHF radiometer was initially developed to operate in the 500 to 710 MHz frequency range for the remote measurement of ocean water salinity.
Cross, A. E. +2 more
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Cadet: UHF & UHF Plus S-Band Radios
, 2017 With the increase in Government-funded and industry small satellites missions, the need for a more robust communication infrastructure is critical for the CubeSat community.
Space Dynamics Laboratory
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RF front-end design of UHF RFID reader based on ADF7020
, 2010 UHF RFID技术作为一种先进射频识别技术,目前发展十分迅速。本文根据UHF RFID工作原理,选用ADF7020射频收发芯片作为核心模块,采用合适的匹配电路,设计了一种工作在915M频段的超高频RFID读写器的射频前端电路。测试结果表明该射频前端电路工作稳定、抗干扰较强,为UHF ...
朱云龙 +3 more
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