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281
Pobreza y migraciones en una ciudad intermedia argentina. Una mirada desde la historia (Neuquén, 1980)
Published 2015-01-01“…El presente artículo tiene como objetivo estudiar los vínculos entre la pobreza y las migra - ciones en Neuquén (Patagonia, Argentina) a principios de la década de 1980. …”
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282
« Notre histoire compte » : Transmettre l’histoire des mouvements féministes et lesbiens à Genève
Published 2022-01-01“…This article presents the approach and the stakes involved in the activist project « Our places, our parties, our fights: our history matters ». …”
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283
Research on Optical/Electric Hybrid Switching Technique for Space-Integrated-Ground Information Network
Published 2021-06-01“…Space-integrated-ground information network will face the challenges of heterogeneous links, multi-granularity of information and limited resources in the process of networking.The problems can be solved by data switching design.The architecture of space-integrated-ground information network was described, and the present situation of multi-granularity service hybrid switching was analyzed.Based on this, the idea of hybrid optical/RF/packet switching was proposed, i.e., hybrid switching structure design, optical switching based on four-wave mixing eff ect, broadband confi gurable RF channelized switching, packet high-speed switching based on software radio idea, laser/RF heterogeneous link optical domain aggregation and grooming and enhanced general multi-protocol label switching design.…”
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284
RFID dynamic positioning method
Published 2013-04-01“…A novel proximity method-RFID dynamic positioning method was presented,using a moving radio frequency identification (RFID) reader to accurately position the target based on reference tag arrays.The major advantage of the method was that through reading tags without any measurement data,e.g.…”
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285
Research progress and evolution prospect of passive internet of things communication
Published 2023-09-01“…Passive internet of things (IoT) is the fundamentally enabling technology of promoting digital transformation and upgrading of industries.In recent years, passive IoT communication technology such as radio frequency identification has been widely used in asset management fields due to its advantages of low cost, zero power consumption, and easy deployment.In this context, passive IoT communication technology and the latest research progress were introduced, the potential evolution prospects of passive IoT were analyzed.Based on that, development bottlenecks and challenges of passive IoT communication were given, a novel passive IoT communication system with deep fusion of the cellular system was presented, and the key technology research directions of this field were proposed.It is aimed to inspire new thoughts for the development of passive IoT communication technology.…”
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286
Dielectric Resonator Antennas: Basic Concepts, Design Guidelines, and Recent Developments at Millimeter-Wave Frequencies
Published 2016-01-01“…In this way, guidance is provided to radio frequency (RF) front-end designers in the selection of different antenna topologies useful to achieve the required antenna performance in terms of frequency response, gain, and polarization. …”
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287
Research on wormhole attacks in wireless mesh networks
Published 2011-01-01“…In order to detect the wormhole attacks effectively in wireless mesh network,a wormhole attack model ac-cording to the MR-LQSR(multi-radio link-quality source routing) protocol proposed by Microsoft was presented.Then,the characteristics of wireless mesh networks and wormhole attack were considered,a wormhole attack detection scheme for wireless mesh networks based on a combination of techniques,such as wormhole attack detection algorithm based on end-to-end,distributed voting,guard detection scheme and identity-based cryptosystem was proposed.Through theory analysis and experiments,the wormhole attack detection scheme not only can detect the wormhole attacker effectively but also improve the security of wireless mesh network.…”
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288
Single anchor node real-time positioning algorithm based on the antenna array
Published 2017-05-01“…This article presents an anchor node based on directional antenna array and reports the design of an automatic test system. …”
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289
Research on IPv6+ intelligent backbone network technology
Published 2023-05-01“…The China Media Group backbone network is a key infrastructure that connects the headquarters, data centers, hubs/journalists at home and abroad, and “hundreds cities and thousands of screens” across the country, and IPv6+ is the main technical route of the next-generation IP network.The present situation and challenges of the backbone network of the headquarters were mainly analyzed, the principle, advantages and technical characteristics of the core of IPv6+ were introduced, and how IPv6+ technology adapts to the development of broadcast and television services was discussed.Finally, the conception and suggestion of constructing and deploying the next generation broadcast TV backbone network based on IPv6+ were put forward.It provided a new idea to simplify the protocol and speed up the service opening for the future construction of backbone network of radio and television stations.…”
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290
Effective strategy for hybrid sensor networks in an unknown environment
Published 2008-01-01“…Also, the received signal strength of WiFi radio was employed to be a cri- terion for the movement of the robots. …”
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291
Research on relation between network structure of macro-cell and indoor coverage in UMTS system
Published 2006-01-01“…The influence of radio transmission at 2GHz into buildings was quite obvious,the result were analyzed by for network structure of macro-cell in UMTS system.The relation of restriction between the three factors,including building penetration loss,coverage credibility and the link margin also were discussed based on the principle of equilibrium cov-erage in the indoor and the outdoor.How to take the expectation of building penetration loss and its’ value were recom-mended were also presented in detail to obtain the much more optimum network structure of macro-cell.With the ap-proach of equilibrium coverage,the waste of base station and the difficulty of controlling will be avoided to the utmost.On the other hand,the insufficiency of base station will also be prevented,and the network performance will be ade-quately exerted.…”
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292
Evolution of Black-Box Models Based on Volterra Series
Published 2015-01-01“…This paper presents a historical review of the many behavioral models actually used to model radio frequency power amplifiers and a new classification of these behavioral models. …”
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293
Accurate range-based distributed localization of wireless sensor nodes using grey wolf optimizer
Published 2023-06-01“…The distance measurement, as mentioned earlier is subsequently employed to estimate the location of the node whose location is unknown. The present paper presents an Accurate Localization Scheme that utilizes Grey Wolf Optimization (GWO) and is based on the Radio Signal Strength (RSS) ranging technique. …”
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294
Uterine Cervix Cancer. Different Progress among Prevention, Early Diagnosis and Treatment
Published 2018-04-01“…New therapeutic strategies focus on molecular targets, inmunotherapy and the combination of these and old treatments as chemio-radio-therapy. Once again the issue of economy in cancer treatment is present, new therapies are highly expensive. …”
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295
Observar y analizar la educación desde la ventana de los medios
Published 2007-01-01“…El presente artículo tiene como propósito analizar la representación del sector educativo en los medios de comunicación de México. …”
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296
TERAPIAS COMPLEMENTARES EM RELIGIOSIDADES PENTECOSTAIS EM ARACAJU, SERGIPE
Published 2014-04-01“…Destacam-se na política, com envolvimento maciço das grandes denominações; na mídia, com presença no rádio e na televisão; e na prática proselitista, com crescimentos excepcionais nas últimas três décadas. …”
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297
Magic and Collage: Language in Ginsberg’s "Wichita Vortex Sutra"
Published 2021-10-01“…Written in the technique of the collage, and inspired by Burroughs' cut-ups, the poem presents a variety of voices. These include a Whitmanian, prophetic tone which becomes increasingly prevalent and the mediatic chaos of the news, featuring advertising, newspaper extracts, and radio broadcasts. …”
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298
Challenges in Clock Synchronization for On-Site Coding Digital Beamformer
Published 2017-01-01“…Typical radio frequency (RF) digital beamformers can be highly complex. …”
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299
Heterogeneous Wireless Network Resource Management Algorithm Based on Reinforcement Learning
Published 2015-08-01“…In order to make full use of the resources of all kinds of wireless network,the integration of heterogeneous network is necessary.However,when it comes to the heterogeneous network integration,the problems of call request access control and resource management emerge.A reinforcement-learning-based algorithm was presented for heterogeneous wireless network resource management.D2D (device-to-device)communication was introduced into the proposed algorithm and the appropriate network for access could be selected according to different traffic types,terminal mobility,network load status and so on.Meanwhile,to reduce the storage requirement,the neural network technology was used to solve the problem of continuous state space.Simulation results show that the proposed algorithm has an efficient learning ability to achieve autonomous radio resource management,which effectively improves the spectrum utility and reduces the blocking probability.…”
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300
EL OBELISCO COITAL: DISPOSITIVO SEXOLÓGICO Y MASCULINIDAD
Published 2016-01-01“…En el presente artículo se analiza la construcción de la sexualidad masculina que entraña el dispositivo sexológico, tomando como fuente de análisis el programa televisivo En el punto: de la ciencia al sexo, del Sistema Nacional de Radio y Televisión de Costa Rica (SINART). …”
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