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Dissertations / Theses on the topic 'VSAQ'

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Published: 4 June 2021
Last updated: 7 February 2022

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1

Domingues, Gabriela de Barros Leite 1983. "Adaptação cultural e validação do Veterans Specific Activity Questionnaire (VSAQ) para população brasileira com sintomatologia cardiovascular." [s.n.], 2010. http://repositorio.unicamp.br/jspui/handle/REPOSIP/310824.

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Orientadores: Maria Cecília Bueno Jayme Gallani, Cláudio Alexandre Gobatto<br>Dissertação (mestrado) - Universidade Estadual de Campinas. Faculdade de Ciências Médicas<br>Made available in DSpace on 2018-08-16T07:45:37Z (GMT). No. of bitstreams: 1 Domingues_GabrieladeBarrosLeite_M.pdf: 2449497 bytes, checksum: c73325ac9dcba344fe88939add648631 (MD5) Previous issue date: 2010<br>Resumo: A capacidade física é considerada um importante fator prognóstico para pacientes com doença cardiovascular (DCV). Questionários têm sido desenvolvidos para avaliar a capacidade física, dentre os quais se destac
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Malo, Sharon Y. "Measuring Change in Key HRQL Outcomes Using MOS SF-36 vs VSAQ and BDI With Patients Undergoing CABG Surgery." Thesis, Virginia Tech, 1999. http://hdl.handle.net/10919/43866.

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Health-related quality of life (HRQL) measures taken before and after coronary artery bypass grafting (CABG) aid in determining meaningful patient-perceived outcomes associated with alternative clinical interventions. This study compared performance of the Medical Outcomes Study Short Form-36 (MOS SF-36) subscales for Physical Functioning (PF), Role Physical (RP), Mental Health (MH), and Role Emotional (RE) against two other questionnaires, i.e. the Veteran's Specific Activity Questionnaire (VSAQ: self-efficacy for vigorous physical activity) and the Beck Depression Inventory (BDI-II: mental-e
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Kudlička, Miroslav. "Model terminálu VSAT." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2010. http://www.nusl.cz/ntk/nusl-218635.

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This work deals with the description of the communication using the VSAT satellite network. A used network topology, frequency bands, satellite orbits and also an access technology are defined. The next part is focused on the VSAT terminal, where the block diagram is shown. A model of the indoor unit IDU is designed in the system background of Ansoft Designer. Individual parts of the system model are analyzed in terms of input variables. The results of the simulation are shown. The curves of BER before Viterbi decoding and after Viterbi decoding are shown too.
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Hayes, David Paul. "Performance analysis of VSAT networks." Thesis, Virginia Tech, 1987. http://hdl.handle.net/10919/44052.

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<p>Very small aperture terminal (VSAT) networks offer a solution to the increasing demand for low-density voice and data communications. Spread Spectrum and single-channel-per-carrier (SCPC) transmission techniques work well for multiple access purposes while allowing the earth station antennas to remain small. Direct sequence code division multiple access (DS-CDMA) is the simplest spread spectrum technique to use in a VSAT network, since a frequency synthesizer is not required for each terminal. This thesis examines DS-CDMA and SCPC Ku-band VSAT satellite systems for low-density (64 kb
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Kunchaicharoenkul, Kanokporn. "An educational VSAT system for Thailand." Thesis, This resource online, 1996. http://scholar.lib.vt.edu/theses/available/etd-09182008-063236/.

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FELIX, LUIS EDUARDO MENEZES. "RAIN UNAVAILABILITY PREDICTION ON VSAT NETWORKS IN BRAZIL." PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 2004. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=5495@1.

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COORDENAÇÃO DE APERFEIÇOAMENTO DO PESSOAL DE ENSINO SUPERIOR<br>Em comunicações Via-Satélite, o regime de chuvas brasileiro se apresenta como fator limitante na análise da viabilidade de redes VSAT (Very Small Aperture Terminal) nas bandas Ka e Ku. O objetivo do trabalho é analisar a indisponibilidade por chuvas de redes VSAT com topologia em estrela usadas no Brasil para determinados serviços, tais como telefonia e transmissão de dados e TV, utilizando-se cenários hipotéticos em termos da localização das estações terminais, de satélites com transponders nas bandas Ka e Ku e das caract
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7

MATTOS, GUILHERME MARQUES. "BROADBAND NETWORK ACCESS USING VSAT AND WIFI SYSTEMS." PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 2006. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=9193@1.

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PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO<br>As Redes de Acesso em Banda Larga utilizando Sistemas VSAT e WiFi são uma forma de atender à demanda por informação a todo tempo e lugar; demanda esta que tem se tornado a grande mudança nos últimos tempos no meio das Telecomunicações. O acesso à informação passa a ser exigido nas mais longínquas localidades, onde a infra-estrutura terrestre se mostra quase que totalmente ausente. Aí se enquadram as redes VSAT (Very Small Apperture Terminal) que permitem este acesso através de uma rede via satélite capaz de oferecer cobertura à grand
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8

Hadjitheodosiou, Michael H. "Performance optimisation of multiple access protocols for multiservice VSAT networks." Thesis, University of Surrey, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.362639.

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9

TAVARES, JORGE EDUARDO DA SILVA. "PERFORMANCE ANALYSIS OF HIBRID MULTIPLE ACCESS PROTOCOLS FOR VSAT NETWORKS." PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 1991. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=9395@1.

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EMPRESA BRASILEIRA DE TELECOMUNICAÇÕES<br>É considerado um protocolo de múltiplo acesso de alocação híbrida e adaptativa, que pode ser utilizado em redes VSAt. Neste protocolo as transmissão são feitas em um canal S-Aloha ou em um canal TDMA de alocação por reserva. As estações remotas dispõem de buffer para armazenamento de mensagens. O desempenho do protocolo é avaliado em termos da vazão e do retardo médio, através da técnica de Análise do Ponto de Equilíbrio (EPA). A estabilidade do protocolo é também examinada. É feita uma comparação deste protocolo com um protocolo S-Aloha, ambo
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10

Willis, M. J. "Fade counter measures and VSAT systems for 20/30 GHz." Thesis, University of Surrey, 1993. http://epubs.surrey.ac.uk/844503/.

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This thesis covers the application of fade counter measure techniques to satellite links using small terminals in the 20/30 GHz band. The case for using the 20/30 GHz band for very small aperture terminal (VSAT) networks is presented together with applications proposed for VSAT networks. A study of the propagation impairments that affect these networks is presented and the propagation environment is determined with particular reference to the problem and severity of rain fading. Relevant equations are presented allowing the calculation of link budgets and performance for VSAT networks operatin
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Tsuda, David T. "Adaptive Go-Back-N: an ARQ protocol for a tactical VSAT network." Thesis, Monterey, California. Naval Postgraduate School, 1989. http://hdl.handle.net/10945/25651.

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12

VIDAL, AMERICO ARIEL RUBIN DE CELIS. "MATHEMATICAL MODELLING OF THE INTERFERENCE PRODUCED BY VSAT/MF-TDMA SATELLITE NETWORKS." PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 2017. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=30550@1.

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PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO<br>CONSELHO NACIONAL DE DESENVOLVIMENTO CIENTÍFICO E TECNOLÓGICO<br>Neste trabalho é desenvolvido um modelo matemático para descrever o comportamento estatístico da interferência produzida por redes VSAT/MFTDMA. O modelo proposto é utilizado para avaliar a interferência produzida pelos lances de subida de enlaces VSAT/MF-TDMA em enlaces de uma outra rede que utiliza um satélite vizinho. No modelo proposto, expressões analíticas foram desenvolvidas para levar em conta os efeitos de variações nas potências transmitidas, nos tamanhos das antenas
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Yigit, Ugur. "Performance analysis of a CDMA VSAT system with convolutional and Reed-Solomon coding." Monterey, California: Naval Postgraduate School, 2002, 2002. http://hdl.handle.net/10945/9806.

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The purpose of this thesis is to model a satellite communication system with VSATs, using Spread Spectrum CDMA methods and Forward Error Correction (FEC). Walsh codes and PN sequences are used to generate a CDMA system and FEC is used to further improve the performance. Convolutional and block coding methods are examined and the results are obtained for each different case, including concatenated use of the codes. The performance of the system is given in terms of Bit Error Rate (BER). As observed from the results, the performance is mainly affected by the number of users and the code rates.
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14

Lancaster, Katy. "VSA observations of primordial and secondary anisotropies in the CMB." Thesis, University of Cambridge, 2005. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.614716.

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15

Nilsson, Andreas. "Alternativ metod för lokal positionsbestämning av mobila satellitterminaler." Thesis, KTH, Skolan för datavetenskap och kommunikation (CSC), 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-158186.

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Målsättningen med examensarbetet är att utvärdera en metod för att upprätta en kommunikationslänk från en mobil satellitterminal till en geostationär kommunikationssatellit utan kännedom om satellitterminalens position på jordytan. Målsättningen är intressant då GNSS-operatörer (främst i det allmänna USA-drivna GPS-systemet men möjligen även i de tillkommande franska, kinesiska, ryska och europeiska systemen) begränsar den allmänna tillgängligheten av taktiska/strategiska skäl vid konflikter och kriser. Därtill att allmänna globala navigationssatellittjänster, GNSS-system, ofta bygger på motta
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16

Benvenutti, Eugene S. "Selection and specification of a data link protocol for VSAT based inter-LAN communications." Thesis, Monterey, California. Naval Postgraduate School, 1991. http://hdl.handle.net/10945/28523.

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Aras, Ersin. "Analysis of jammer resistant, spread spectrum, VSAT communication scheme for maritime platform using DSCDMA /." Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 2002. http://library.nps.navy.mil/uhtbin/hyperion-image/02sep%5FAras.pdf.

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Thesis (M.S. in Systems Engineering)--Naval Postgraduate School, September 2002.<br>Thesis advisor(s): Tri T. Ha, Herschel H. Loomis. Includes bibliographical references (p. 77-78). Also available online.
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Aras, Ersin. "Analysis of jammer resistant, spread spectrum, VSAT communication scheme for maritime platform using DS-CDMA." Thesis, Monterey, California. Naval Postgraduate School, 2002. http://hdl.handle.net/10945/5520.

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Approved for public release; distribution is unlimited<br>In this thesis, a new VSAT (Very Small Aperture Terminal) communication system is developed using Direct Sequence Code Division Multiple Access (DS-CDMA) for multiple maritime mobile users in the footprint of national communication satellites. The Forward Error Correction (FEC) is implemented by applying convolution encoding with soft decision decoding. The worst-case scenario is always considered by placing VSAT system and different types of jammers on the footprint where the minimum signal-to-noise ratio is possible. Using this assump
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Badri, Moncef. "Performance analysis of star architecture packet-switched VSAT networks using random code division multiple access." Thesis, Virginia Polytechnic Institute and State University, 1987. http://hdl.handle.net/10919/91081.

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The intent of this research is to provide a performance analysis of multiple access protocols in packet-switched Very Small Aperture Terminal (VSAT) satellite communication networks. This research consisted of three major thrusts. First, we analyzed the average time delay of the broadcast Time Division Multiplexing (TDM) outbound channel (hub to VSAT). Second, a throughput performance analysis of an asynchronous Direct-Sequence Code Division Multiple Access (DS-CDMA) communication system is carried out for the inbound line (VSAT to hub). Each channel was characterized by its bit error probabil
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Axelsson, Johannes. "WAN-optimering för sjöfarten : En möjlighet att effektivisera datakommunikationen till sjöss." Thesis, Linnéuniversitetet, Sjöfartshögskolan (SJÖ), 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-30070.

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Verksamheten ombord på fartyg blir mer beroende av datakommunikation och många av arbetsuppgifterna ombord underlättas genom att besättningen kan nå information lagrad på annan plats. Fartygens bredbandsanslutning sker till största delen via satellitkommunikation där långa avstånd och begränsad datahastighet resulterar i att datakommunikationen blir ineffektiv. I denna studie undersöks vilken prestandaförbättring som utrustning för nätverksoptimering kan innebära för långsamma WAN-förbindelser via satellit. Undersökningen visade att det största problemet med anslutningar via satellit är den si
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Good, Stephen D. "A Study into the Tradeoffs Between TDM / MF-SCPC and TDM / MF-TDMA Transport Options to Support IP-Based Multimedia Applications Under Different Load Conditions Within a Point-to-Multipoint Satellite Network." Thesis, Virginia Tech, 2012. http://hdl.handle.net/10919/32730.

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This thesis provides the reader with an overview of the many elements that are involved in geosynchronous satellite point-to-multipoint Internet Protocol (IP)-based multimedia communications design and also takes a deep dive into the analysis of a real-life scenario, using the TDM / MF-SCPC and TDM / MF-TDMA media access techniques. This thesis starts with a discussion of satellite network topologies utilized within point-to-multipoint satellite communications followed by an overview of the satellite communications channel. A discussion on the intelligent and proper selection of modulation an
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Wilson, Simon J. "Thermal profiles in oxygen vacuum swing adsorption (VSA) : modelling, observations and optimisation." Monash University, Dept. of Chemical Engineering, 2001. http://arrow.monash.edu.au/hdl/1959.1/7766.

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Cronjé, Carl Pieter. "Selfaktualisering en skoolstruktuur volgens sekere onderwyshumaniste in die VSA / Carl Pieter Cronjé." Thesis, Potchefstroom University for Christian Higher Education, 1989. http://hdl.handle.net/10394/7832.

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The humanistic educators in the USA encountered the problem of a satisfactory integration of the affective and cognitive modes of being in education for several decades. This study reviews and analyses the main contours of that struggle up to about 1985. The research problem relates to an evaluation of the humanistic performance on this universal problem. The anthropological question of affective-cognitive integration is both transposed and contextualized in the societal structure of the school which also turns it into an epistemological problem. Several models of school-structural support of
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Mwanakatwe, Mupanga. "Design and link system of a Ka-band VSAT system for use with the Olympus satellite." Thesis, University of Surrey, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.255759.

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Bali, Halima. "Performance analysis of star architecture packet-switched VSAT network using roll-call polling multiple access scheme." Thesis, Virginia Polytechnic Institute and State University, 1988. http://hdl.handle.net/10919/80105.

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Data link control, multiple access, and flow control for data communication have at last advanced to the state that it is possible for applications that require combining these techniques to be carried out. Therefore, research efforts are now beginning to focus on the performance of these applications, rather than the previous trend of carrying out the performance of each scheme separately. This study analyses the performance of a Very Small Aperture Terminal (VSAT) satellite star network. The network uses roll-call polling as its multiple access scheme, High-level Data Link Control or HDLC,
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Levings, Jared Christopher. "Development of a Versatile Section Analysis Tool (VSAT) for use in structural design with a seismic emphasis." [Ames, Iowa : Iowa State University], 2009. http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&res_dat=xri:pqdiss&rft_dat=xri:pqdiss:1473229.

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Martinez-Hernandez, Francisco. "The power of one: Study of the marine virosphere using single-virus genomics." Doctoral thesis, Universidad de Alicante, 2019. http://hdl.handle.net/10045/118218.

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Aunque tradicionalmente las dificultades asociadas a su estudio han subestimado la importancia de los virus en los ecosistemas, hoy en día el desarrollo de nuevas metodologías nos ha hecho comprender que estos juegan un papel relevante a nivel global, sobre todo en los océanos. La secuenciación del genoma vírico de una muestra ambiental (la virómica) y su posterior reconstrucción (ensamblaje de genomas), ha permitido ampliar el número de virus marinos conocidos, sin embargo, también han puesto de manifiesto la enorme diversidad de genomas víricos que continúan sin ser reconstruidos. En esta te
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Lomotey, Charles. "Strategies to Recover from Satellite Communication Failures." ScholarWorks, 2019. https://scholarworks.waldenu.edu/dissertations/7032.

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In natural and manmade disasters, inadequate strategies to recover from satellite communication (SATCOM) failures can affect the ability of humanitarian organizations to provide timely assistance to the affected populations. This single case study explored strategies used by network administrators (NAs) to recover from SATCOM failures in humanitarian operations. The study population were NAs in Asia, the Middle East, Central Africa, East Africa, and West Africa. Data were collected from semistructured interviews with 9 NAs and an analysis of network statistics for their locations. The resource
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Loo, Suem Ping. "System Design of an Integrated Terrestrial-Satellite Communications Network for Disaster Recovery." Thesis, Virginia Tech, 2004. http://hdl.handle.net/10919/9956.

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This thesis describes a possible integrated terrestrial-satellite network system for disaster recovery and response. The motivation of this thesis was based on the adjacent spectrum allocations between the Virginia Tech terrestrial Local Multiple Distribution Service (LMDS) system and a Ka-band satellite system, and potentially being able to provide as an additional Ka-band satellite network backbone to the Virginia Tech terrestrial LMDS system for better and faster communications deployments. The Spaceway satellite system¡¦s design parameters were adopted typically for a Ka-band satellite s
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Conte, Roberto. "Satellite Rural Telephone Network Design: A Methodology for Performance Optimization." Diss., Virginia Tech, 2000. http://hdl.handle.net/10919/29262.

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Rural telephony has historically been a recurring subject of concern for most large developing countries. It is generally considered that rural telephone users do not generate the same level of telephone traffic and, thus, revenue as urban users, lowering the incentives to invest in rural telecommunications. The financial implications of wiring a vast area for low telephone traffic causes most telephone service providers to ignore or delay offering telephone service to those regions. Still, it is known that telecommunications are essential to the economic development of a region, and that
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Romaní, Martínez Guillermo Daniel. "Estudio de la aplicación de VSAT, CDMA 450 y MAR al transporte y distribución de servicios de telecomunicaciones rurales en el entorno nacional." Bachelor's thesis, Pontificia Universidad Católica del Perú, 2007. http://tesis.pucp.edu.pe/repositorio/handle/123456789/208.

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El desarrollo de las comunicaciones requiere la utilización de tecnologías de punta que se adecuen a la especial topografía de nuestro País y que permitan ejecutar los enlaces de larga distancia en corto tiempo. El uso de tecnologías como VSAT, basada en accesos satelitales de pequeña apertura; MAR, basada en enlaces de microondas con línea de vista y CDMA 450, basada en celdas de telefonía móvil sobre portadoras en banda UHF (450 MHz), permitirá una solución de la problemática de los servicios de telecomunicación del ámbito rural peruano. El presente trabajo tiene como principal objetivo el
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Guilhamassé, François. "Etude du captage post-combustion du co2 grâce à un procédé vsa (vacuum swing adsorption) avec de nouveaux adsorbants." Phd thesis, Conservatoire national des arts et metiers - CNAM, 2013. http://tel.archives-ouvertes.fr/tel-00978530.

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Pour faire face à l'augmentation des émissions de CO2 dans l'atmosphère à cause de la production électrique dans des centrales à charbon, le captage en post-combustion au moyen d'un procédé VSA est une solution envisageable. Les adsorbants utilisés dans notre étude sont la TEPA imprégnée sur SiO2, les oxydes de terre rare et le MOF (Metal Organic Frameworks) SIM-1. Pour chaque adsorbant, une étude du perçage puis de la régénération a été effectuée à partir d'une alimentation composée de 15%vol de CO2 et de N2. De ces essais, les conditions opératoires des cycles VSA ont été établies (durées de
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Dang, Thu Trang. "Porovnání vybraných ISA a národních auditorských standardů ve Vietnamu." Master's thesis, Vysoká škola ekonomická v Praze, 2011. http://www.nusl.cz/ntk/nusl-71973.

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This thesis describes the International Standards on Auditing (ISA) and the Vietnamese national Standards on Auditing (VSA), their genesis and current situation. The thesis presents a development of the audit in Vietnam, it's present situation and expected progress. The research refers to a survey. The aim of this survey was finding out the opinions and attitudes of Vietnamese's auditors to ISA and VSA.
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De, Lange Catharina Jacoba. "Die Progressive Education Movement (PEM) in die VSA en People's Education (PE) in die RSA : 'n fundamenteel-opvoedkundige vergelyking / Catharina Jacoba de Lange." Thesis, Potchefstroom University for Christian Higher Education, 1990. http://hdl.handle.net/10394/8302.

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This study is an attempt to draw a fundamental-educational comparison between the Progressive Education Movement (PEM) in the USA and People's education (PE) in the RSA. The connection between these two movements presumably lies in their progressive nature - therefore the purpose of this comparison is to expose the fundamental-educational resemblances between the PEM in the USA en PE in the RSA. This study is subsequently directed at the presentation of a fundamental-educational explanation for resemblances and differences found between concepts of progressiveness as propagated by the PEM in t
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Damon, Malcolm Peter. "Ekonomiese geregtigheid vir almal" ,n analise van die pastorale brief van die Noord - Amerikaanse rooms Katolieke biskoppe oor die,ekonomie van die VSA." University of Western Cape, 2002. http://hdl.handle.net/11394/7446.

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Magister Artium - MA<br>In 1980· het: die Noord-Amerikaanse Katolieke biskoppe 'n pastorale brief oor Marxisme laat verskyn. In gesprek met Hulpbiskop Peter Rosazza van Hartford het twee Franse priesters, klasmaats van hom, die volgende opgemerk: Hulle het gewonder, hoekom die biskoppe 'n brief uitgebring het oor Marxisme wat tog nie 'n brandende saak ("issueII) was nie. Hoekom nie 'n brief oor kapitalisme nie, was hulle vraag? (Berryman 1989:75). Dit het daartoe gelei dat Biskop Rosazza in 1980 by die biskoplike vergadering voorgestel het dat 'n pastorale brief oor "kapitalisme" opgestel moe
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Góngora, Ocampo Manuel. "Proyecto de Cambio de Tecnología de la Red Nacional Vía Satélite de la Policía Nacional del Perú, empleando redes VSAT punto multipunto basadas en técnicas de comunicación TDMA/DAMA." Bachelor's thesis, Universidad Nacional Mayor de San Marcos, 2003. https://hdl.handle.net/20.500.12672/2658.

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El presente trabajo es un análisis técnico, económico y de gestión para el dimensionamiento y estructuración de una nueva red de comunicaciones vía satélite para la Policía Nacional del Perú. Para esto, se propone utilizar tecnología VSAT con técnicas de acceso TDMA/DAMA Asimismo, se establecen criterios metodológicos de fondo y forma para el estudio, análisis y propuesta de una red de comunicaciones vía satélite y/o similares que sean, aún, más complejas. El estudio se hace tomando como base una red de comunicaciones vía satélite ya existente en la Policía Nacional del Perú, por lo que la m
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Esterhuyse, Abel Jacobus. "Die militêre betrokkenheid van die Verenigde State van Amerika in Sub-Sahara Afrika : 1993-2001 (Afrikaans)." Diss., University of Pretoria, 2003. http://hdl.handle.net/2263/28172.

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The aim of this study is to investigate and analyse the military involvement of the USA in the security of sub-Saharan Africa (SSA) during the era of the Clinton administration (1993-2001). The study is based on the assumption that the US did not have that much interest in the security of SSA during the Clinton era and that it did not want to become militarily involved in SSA. Its position as the only remaining superpower in the post-Cold War era, however placed a responsibility on the US to be militarily involved in the creation of a more secure SSA. The study relies on two theoretical constr
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Wagena, Moges Berbero. "Quantifying the Impact of Climate Change on Water Availability and Water Quality in the Chesapeake Bay Watershed." Diss., Virginia Tech, 2018. http://hdl.handle.net/10919/82420.

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Climate change impacts hydrology, nutrient cycling, agricultural conservation practices, and greenhouse gas (GHG) emissions. The Chesapeake Bay and its watershed are subject to the largest and most expensive Total Maximum Daily Load (TMDL) ever developed. It is unclear if the TMDL can be met given climate change and variability (e.g., extreme weather events). The objective of this dissertation is to quantify the impact of climate change and climate on water resources, nutrient cycling and export in agroecosystems, and agricultural conservation practices in the Chesapeake Bay watershed. This is
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Xu, Yuelu. "Essays on Water Quality Management for the Chesapeake Bay Watershed." Diss., Virginia Tech, 2020. http://hdl.handle.net/10919/96943.

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Water quality management for agricultural production is a complicated and interesting problem. Hydrological and economic factors must be considered when designing strategies to reduce nutrient runoff from agricultural activities. This dissertation is composed of three chapters that investigate cost-effective ways to mitigate water pollution from agricultural nonpoint pollution sources and explore farmers' incentives when participating in water quality trading programs. Chapter 1 investigates landscape targeting of best management practices (BMPs) based on topographic index (TI) to determine
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40

Dantas, Marta Helena Paiva. "Fortalecendo o Subsistema Nacional de Vigilância em Saúde Ambiental: uma análise crítica de sua concepção e operacionalização." Programa de pós-graduação em saúde coletiva, 2007. http://www.repositorio.ufba.br/ri/handle/ri/10285.

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p. 1-146<br>Submitted by Santiago Fabio (fabio.ssantiago@hotmail.com) on 2013-04-23T18:50:56Z No. of bitstreams: 1 1111A.pdf: 933472 bytes, checksum: 178184c8d9124f9c72f181505bf2071b (MD5)<br>Approved for entry into archive by Maria Creuza Silva(mariakreuza@yahoo.com.br) on 2013-05-04T16:50:05Z (GMT) No. of bitstreams: 1 1111A.pdf: 933472 bytes, checksum: 178184c8d9124f9c72f181505bf2071b (MD5)<br>Made available in DSpace on 2013-05-04T16:50:05Z (GMT). No. of bitstreams: 1 1111A.pdf: 933472 bytes, checksum: 178184c8d9124f9c72f181505bf2071b (MD5) Previous issue date: 2007<br>A importância das
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Čepelák, Tomáš. "Portál univerzálního protokolu řízení přístupu." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2014. http://www.nusl.cz/ntk/nusl-220668.

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The paper focuses on the issue of access control. It presents an universal bilateral protocol of access control of ACP. The paper describes the messages and its sequences that AC portals uses for communication. It describes the functions and features of the modules from which the portal is composed. The paper suggests the concept of a modular AC portal solutions including the design of basic modules. It also outlines possible test scenarios. Under this proposal is generated functional AC portal on the .NET Framework platform using the C\# programming language. The portal provides access to loc
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Vacková, Michaela. "Urbanistická opatření pro efektivní hospodaření s povrchovou vodou v zastavěných územích." Doctoral thesis, Vysoké učení technické v Brně. Fakulta architektury, 2017. http://www.nusl.cz/ntk/nusl-320340.

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One of the main challenges in promoting rainwater management into practise is the fact that it was not recognized as an interdisciplinary issue. We should seek ways how to open the problem to other professions, specially for architects and urban planners, who are the key element of its farther development. This work analyzes the reasons of this unsatisfactory state of rainwater management in the Czech Republic and it defines the possible ways how to remedy this state and outlines scenarios of its further development. The default document of the work is czech technical standard "TNV 75 9010 Hos
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McKinley, Michael Dean. "Improved frequency domain measurement techniques for characterizing power amplifier and multipath environments." Diss., Atlanta, Ga. : Georgia Institute of Technology, 2008. http://hdl.handle.net/1853/24722.

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Thesis (Ph.D.)--Electrical and Computer Engineering, Georgia Institute of Technology, 2009.<br>Committee Chair: James Stevenson Kenney; Committee Member: Gregory David Durgin; Committee Member: Madhavan Swaminathan
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Le, Thi Thu Huong. "Účetnictví a audit ve Vietnamu." Master's thesis, Vysoká škola ekonomická v Praze, 2011. http://www.nusl.cz/ntk/nusl-81860.

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This thesis describes the accounting's and auditing's systems in Vietnam. The Vietnamese regulations and legilations are particularly emphased in great details as the important components of the accounting and auditing systems. On the other hand, it, also, focuses on the financial statements for the business and its audit as well as the struture of equity and types of investments for allied companies.
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Poulsen, Andrew Joseph. "Real-time Adaptive Cancellation of Satellite Interference in Radio Astronomy." Diss., CLICK HERE for online access, 2003. http://contentdm.lib.byu.edu/ETD/image/etd238.pdf.

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Cildoz, Mariana Uzeda. "Estudo comparativo de controladores de estrutura variável por modos deslizantes aplicados a veículos subaquáticos autônomos." Universidade Estadual do Oeste do Parana, 2014. http://tede.unioeste.br:8080/tede/handle/tede/1078.

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Made available in DSpace on 2017-07-10T17:11:48Z (GMT). No. of bitstreams: 1 Dissertacao Mariana Uzeda2.pdf: 3273824 bytes, checksum: cb0d125fc8aae9dfe673029b5f5a30a5 (MD5) Previous issue date: 2014-08-29<br>This work presents a comparative study between four different sliding mode variable structure control strategies (SMVSC) applied to autonomous underwater vehicles (AUV) positioning in 6 DOF, under the influence of wind, waves and marine currents. The addressed strategies are the conventional CEV-MD control based on Lyapunov stability, the CEV-MD control based on the equivalent cont
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47

Su, Geng Li, and 蘇耿立. "Branch-line directional coupler technique for VSAT power amplifier." Thesis, 1995. http://ndltd.ncl.edu.tw/handle/14612958343249546615.

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Lin, Kuan-Cheng, and 林冠呈. "Ortho-mode transducer design for Ka-band VSAT antenna application." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/99725145871199800750.

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碩士<br>元智大學<br>通訊工程學系<br>97<br>This thesis develops a C language and genetic algorithm (GA) based optimization program which can be integrated with HFSS. And we use this program to optimize the ortho-mode transducer structure. There are four kinds of ortho-mode transducer that can be chosen in program interface. We use this genetic algorithm based program to optimize all four kinds of OMT and then compare their performance. Last we real make an OMT by aluminum to measure it and compare with simulation result.
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Lin, Hung-Chun, and 林洪鈞. "A Comparative Study on the Advertising Regulation Policy between VSA & China." Thesis, 1998. http://ndltd.ncl.edu.tw/handle/91275851782255672504.

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碩士<br>淡江大學<br>中國大陸研究所<br>86<br>Since China adopted the reforming and open policy in 1979, commercial activities have been developing vigorously. The advertising industry is booming in pace with market needs. And the Chinese government has also formulated many corresponding advertising regulation policies. This thesis emphasizes on the differences in advertising regulation policy between U.S.A. and China. The main purpose is to supply reference for those who intend to engage in business on the mainland, as well as who make the advertising regulation policy in R.O.C. 　　This thesis takes the
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Van, Coller Johannes Daniel. "Die benutting van intelligensie deur besluitnemers met besondere verwysing na die VSA." Thesis, 2014. http://hdl.handle.net/10210/10015.

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