Warnick brian (31 risultati)

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Hardback. Condizione: New. Discover a modern approach to the analysis, modeling and design of high sensitivity phased arrays. Network theory, numerical methods and computational electromagnetic simulation techniques are uniquely combined to enable full system analysis and design optimization. Beamforming and array signal processing theory are integrated into the treatment from the start. Digital signal processing methods such as polyphase filtering and RFI mitigation are described, along with technologies for real-time hardware implementation. Key concepts from interferometric imaging used in radio telescopes are also considered. A basic development of theory and modeling techniques is accompanied by problem sets that guide readers in developing modeling codes that retain the simplicity of the classical array factor method while incorporating mutual coupling effects and interactions between elements. Combining current research trends with pedagogical material suitable for a first-year graduate course, this is an invaluable resource for students, teachers, researchers, and practicing RF/microwave and antenna design engineers. …

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Hardback. Condizione: New. Discover a modern approach to the analysis, modeling and design of high sensitivity phased arrays. Network theory, numerical methods and computational electromagnetic simulation techniques are uniquely combined to enable full system analysis and design optimization. Beamforming and array signal processing theory are integrated into the treatment from the start. Digital signal processing methods such as polyphase filtering and RFI mitigation are described, along with technologies for real-time hardware implementation. Key concepts from interferometric imaging used in radio telescopes are also considered. A basic development of theory and modeling techniques is accompanied by problem sets that guide readers in developing modeling codes that retain the simplicity of the classical array factor method while incorporating mutual coupling effects and interactions between elements. Combining current research trends with pedagogical material suitable for a first-year graduate course, this is an invaluable resource for students, teachers, researchers, and practicing RF/microwave and antenna design engineers. …

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Taschenbuch. Condizione: Neu. nach der Bestellung gedruckt Neuware - Printed after ordering - The Islands of Fiji suffer from a growing prevalence of NCD's, or non-communicable diseases, which are often nutrition related. Much of the blame for the growing rate of these diseases is due to lifestyle choice, specifically food related decisions. Fiji's nutrition concerns and NCD prevalence are greater in urban centers, compared to a lower frequency in rural villages. These contrasting demographics are composed of dissimilar food environments that influence inhabitants' food decisions, in turn effecting prevalence of nutrition related concerns. The purpose of this study was to extend existing knowledge and gain the perspectives of Fijian Islanders through identifying the strongest environmental factors that influence food choice. Once motivations of food decisions are identified, this knowledge can aid in designing effective nutrition related programs and policy reformation.…

Condizione: New. Dieser Artikel ist ein Print on Demand Artikel und wird nach Ihrer Bestellung fuer Sie gedruckt. Autor/Autorin: Bradshaw SandraSandra Bradshaw is a middle school teacher by profession, specializing in nutrition and health sciences. She enjoys researching the area she teaches continually. She loves to visit other cultures around the world, es.…

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Taschenbuch. Condizione: Neu. nach der Bestellung gedruckt Neuware - Printed after ordering - Les îles Fidji sont confrontées à une prévalence croissante des MNT, ou maladies non transmissibles, qui sont souvent liées à l'alimentation. Cette augmentation est en grande partie imputable aux choix de mode de vie, et plus particulièrement aux décisions alimentaires. Les problèmes nutritionnels et la prévalence des MNT sont plus marqués dans les centres urbains qu'en milieu rural, où leur fréquence est moindre. Ces contrastes démographiques s'expliquent par des environnements alimentaires différents qui influencent les choix alimentaires des habitants, ce qui a à son tour un impact sur la prévalence des problèmes liés à la nutrition. L'objectif de cette étude était d'approfondir les connaissances existantes et de recueillir les points de vue des habitants des îles Fidji en identifiant les facteurs environnementaux les plus influents sur les choix alimentaires. Une fois les motivations des choix alimentaires identifiées, ces connaissances peuvent aider à concevoir des programmes efficaces en matière de nutrition et à réformer les politiques.…

Taschenbuch. Condizione: Neu. nach der Bestellung gedruckt Neuware - Printed after ordering - Auf den Fidschi-Inseln ist eine zunehmende Verbreitung von NCDs (nicht übertragbaren Krankheiten) zu beobachten, die häufig ernährungsbedingt sind. Ein Großteil der Schuld für die steigende Rate dieser Krankheiten liegt in der Lebensweise, insbesondere in den Ernährungsentscheidungen. Die Ernährungsprobleme und die Verbreitung von NCDs sind in den städtischen Zentren Fidschis größer, während sie in ländlichen Dörfern seltener auftreten. Diese gegensätzlichen demografischen Verhältnisse sind geprägt von unterschiedlichen Ernährungsumgebungen, die die Ernährungsentscheidungen der Bewohner beeinflussen und sich wiederum auf die Häufigkeit ernährungsbedingter Probleme auswirken. Das Ziel dieser Studie war es, das vorhandene Wissen zu erweitern und die Perspektiven der Fidschianer zu erfassen, indem die wichtigsten Umweltfaktoren identifiziert wurden, die die Lebensmittelauswahl beeinflussen. Sobald die Beweggründe für Ernährungsentscheidungen bekannt sind, kann dieses Wissen dazu beitragen, wirksame ernährungsbezogene Programme zu entwickeln und politische Reformen zu gestalten.…

Taschenbuch. Condizione: Neu. nach der Bestellung gedruckt Neuware - Printed after ordering - Le isole delle Fiji sono afflitte da una crescente prevalenza di malattie non trasmissibili (MNT), spesso legate all'alimentazione. Gran parte della responsabilità dell'aumento di queste malattie è da attribuire alle scelte di vita, in particolare alle decisioni relative all'alimentazione. I problemi nutrizionali e la prevalenza delle MNT nelle Fiji sono più marcati nei centri urbani, mentre nei villaggi rurali si registra una minore incidenza. Questi dati demografici contrastanti sono determinati da contesti alimentari diversi che influenzano le scelte alimentari degli abitanti, incidendo a loro volta sulla prevalenza dei problemi legati all'alimentazione. Lo scopo di questo studio era quello di ampliare le conoscenze esistenti e acquisire il punto di vista degli abitanti delle isole Fiji attraverso l'identificazione dei fattori ambientali più rilevanti che influenzano le scelte alimentari. Una volta identificate le motivazioni alla base delle scelte alimentari, queste conoscenze possono aiutare a progettare programmi efficaci in materia di alimentazione e a riformare le politiche.…

Taschenbuch. Condizione: Neu. nach der Bestellung gedruckt Neuware - Printed after ordering - As Ilhas Fiji enfrentam uma prevalência crescente de DNT, ou doenças não transmissíveis, que estão frequentemente relacionadas com a nutrição. Grande parte da responsabilidade pelo aumento da taxa destas doenças deve-se às escolhas de estilo de vida, especificamente às decisões relacionadas com a alimentação. As preocupações nutricionais e a prevalência de DNT nas Ilhas Fiji são maiores nos centros urbanos, em comparação com uma frequência mais baixa nas aldeias rurais. Estes contrastes demográficos resultam de ambientes alimentares distintos que influenciam as decisões alimentares dos habitantes, afetando, por sua vez, a prevalência de preocupações relacionadas com a nutrição. O objetivo deste estudo foi ampliar o conhecimento existente e obter as perspetivas dos habitantes das ilhas de Fiji, identificando os fatores ambientais mais fortes que influenciam a escolha alimentar. Uma vez identificadas as motivações por trás das decisões alimentares, este conhecimento pode ajudar na conceção de programas eficazes relacionados com a nutrição e na reforma de políticas.…