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Projeto de antena compacta de banda ultralarga by Prajakta Umbarkar

Projeto de antena compacta de banda ultralarga

by Prajakta Umbarkar , Rekha Labade
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Book cover type: Paperback
  • ISBN13: 9786208467227
  • Binding: Paperback
  • Subject: N/A
  • Publisher: Edicoes Nosso Conhecimento
  • Publisher Imprint: Edicoes Nosso Conhecimento
  • Publication Date:
  • Pages: 80
  • Original Price: GBP 47.76
  • Language: Portuguese
  • Edition: N/A
  • Item Weight: 118 grams
  • BISAC Subject(s): Electronics / General

A tecnologia de banda ultralarga (UWB) baseia-se nos novos conceitos de sinais de pulso muito curtos. Esta tecnologia � uma boa candidata para as redes da pr�xima gera��o (4G), mas requer uma nova abordagem ao projeto de antenas para alcan�ar as caracter�sticas UWB. Este trabalho analisa o projeto de uma antena de banda ultralarga (UWB) com corte retangular alimentada por linha microstrip e apresenta simula��es de antenas UWB em modo transit�rio utilizadas para verificar as melhorias nos par�metros da antena. A antena foi projetada em um substrato FR4 com constante diel�trica ǫr = 4,4, tangente de perda (tan δ)=0,02. A antena foi otimizada para exibir caracter�sticas UWB na faixa de frequ�ncia de 3,1 GHz a 12 GHz. O padr�o de radia��o desta antena � quase omnidirecional no plano H e bidirecional no plano E. O efeito de v�rios par�metros de projeto no projeto tamb�m foi analisado usando o simulador CAD Feko 6.1 com MoM. Os resultados simulados est�o em boa concord�ncia com os padr�es da FCC, mostrando VSWR

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