{"id":249,"date":"2012-11-16T21:51:52","date_gmt":"2012-11-16T23:51:52","guid":{"rendered":"http:\/\/efagundes.com\/openclass_networking\/?page_id=249"},"modified":"2022-01-16T17:50:08","modified_gmt":"2022-01-16T20:50:08","slug":"relacao-entre-as-taxas-de-dados-e-as-harmonicas","status":"publish","type":"page","link":"https:\/\/efagundes.com\/networking\/teoria-da-transmissao-e-meios-magneticos\/relacao-entre-as-taxas-de-dados-e-as-harmonicas\/","title":{"rendered":"Rela\u00e7\u00e3o entre as taxas de dados e as harm\u00f4nicas"},"content":{"rendered":"<p>&nbsp;<\/p>\n<p><a href=\"https:\/\/i0.wp.com\/efagundes.com\/networking\/wp-content\/uploads\/sites\/5\/2015\/03\/Slide62.jpg\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"2393\" data-permalink=\"https:\/\/efagundes.com\/networking\/teoria-da-transmissao-e-meios-magneticos\/relacao-entre-as-taxas-de-dados-e-as-harmonicas\/slide6-3\/\" data-orig-file=\"https:\/\/i0.wp.com\/efagundes.com\/networking\/wp-content\/uploads\/sites\/5\/2015\/03\/Slide62.jpg?fit=960%2C720&amp;ssl=1\" data-orig-size=\"960,720\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"Slide6\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/efagundes.com\/networking\/wp-content\/uploads\/sites\/5\/2015\/03\/Slide62.jpg?fit=960%2C720&amp;ssl=1\" class=\"alignnone size-full wp-image-2393\" src=\"https:\/\/i0.wp.com\/efagundes.com\/networking\/wp-content\/uploads\/sites\/5\/2015\/03\/Slide62.jpg?resize=960%2C720\" alt=\"Slide6\" width=\"960\" height=\"720\" srcset=\"https:\/\/i0.wp.com\/efagundes.com\/networking\/wp-content\/uploads\/sites\/5\/2015\/03\/Slide62.jpg?w=960&amp;ssl=1 960w, https:\/\/i0.wp.com\/efagundes.com\/networking\/wp-content\/uploads\/sites\/5\/2015\/03\/Slide62.jpg?resize=300%2C225&amp;ssl=1 300w\" sizes=\"auto, (max-width: 960px) 100vw, 960px\" \/><\/a>Para certas taxas de dados, os n\u00fameros funcionam de acordo com o padr\u00e3o mostrado na tabela acima. Os n\u00fameros deixam claro que, quando se tenta fazer uma transmiss\u00e3o de 9.600bps usando uma linha telef\u00f4nica com restri\u00e7\u00f5es de largura de banda, modelo sugerido na figura (a) assume a forma mostrada na figura (c ), tornando dif\u00edcil a recep\u00e7\u00e3o do sinal. A tabela acima mostra que taxas de dados superiores a 38.400bps n\u00e3o podem ser transmitidas, mesmo com total aus\u00eancia de ru\u00eddo na linha. Isso significa que limitando a largura de banda, limita-se a taxa de dados, mesmo com canais sem ru\u00eddos.<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>&nbsp; Para certas taxas de dados, os n\u00fameros funcionam de acordo com o padr\u00e3o mostrado na tabela acima. Os n\u00fameros deixam claro que, quando se tenta fazer uma transmiss\u00e3o de 9.600bps usando uma linha telef\u00f4nica com restri\u00e7\u00f5es de largura de banda, modelo sugerido na figura (a) assume a forma mostrada na figura (c ), tornando [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":533,"menu_order":62,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-249","page","type-page","status-publish","hentry"],"jetpack_shortlink":"https:\/\/wp.me\/P8yKGp-41","jetpack-related-posts":[{"id":608,"url":"https:\/\/efagundes.com\/networking\/exemplos-de-protocolos\/a-camada-de-enlace-de-dados-na-internet\/","url_meta":{"origin":249,"position":0},"title":"A camada de enlace de dados na Internet","author":"Eduardo Fagundes","date":"17\/11\/2012","format":false,"excerpt":"A Internet consiste em m\u00e1quinas individuais (hosts e roteadores) e na infra-estrutura de comunica\u00e7\u00e3o que as conecta. 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Geralmente, o PC dom\u00e9stico do usu\u00e1rio\u2026","rel":"","context":"Post similar","block_context":{"text":"Post similar","link":""},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/efagundes.com\/networking\/wp-content\/uploads\/sites\/5\/2015\/03\/Slide204.jpg?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/efagundes.com\/networking\/wp-content\/uploads\/sites\/5\/2015\/03\/Slide204.jpg?resize=350%2C200 1x, https:\/\/i0.wp.com\/efagundes.com\/networking\/wp-content\/uploads\/sites\/5\/2015\/03\/Slide204.jpg?resize=525%2C300 1.5x, https:\/\/i0.wp.com\/efagundes.com\/networking\/wp-content\/uploads\/sites\/5\/2015\/03\/Slide204.jpg?resize=700%2C400 2x"},"classes":[]},{"id":624,"url":"https:\/\/efagundes.com\/networking\/subcamada-de-acesso-ao-meio\/alocacao-estatica-de-canais-em-lans-e-mans\/","url_meta":{"origin":249,"position":1},"title":"Aloca\u00e7\u00e3o est\u00e1tica de canais em LANs e MANs","author":"Eduardo Fagundes","date":"17\/11\/2012","format":false,"excerpt":"A maneira tradicional de alocar um \u00fanico canal, tal como um tronco telef\u00f4nico, entre v\u00e1rios usu\u00e1rios concorrentes \u00e9 usar a FDM (Frequency Division Multiplexing). Se existem N usu\u00e1rios, a largura de banda \u00e9 dividida em N partes do mesmo tamanho, conforme a figura acima. Para cada usu\u00e1rio ser\u00e1 atribu\u00edda uma\u2026","rel":"","context":"Post similar","block_context":{"text":"Post similar","link":""},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/efagundes.com\/networking\/wp-content\/uploads\/sites\/5\/2015\/03\/Slide263.jpg?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/efagundes.com\/networking\/wp-content\/uploads\/sites\/5\/2015\/03\/Slide263.jpg?resize=350%2C200 1x, https:\/\/i0.wp.com\/efagundes.com\/networking\/wp-content\/uploads\/sites\/5\/2015\/03\/Slide263.jpg?resize=525%2C300 1.5x, https:\/\/i0.wp.com\/efagundes.com\/networking\/wp-content\/uploads\/sites\/5\/2015\/03\/Slide263.jpg?resize=700%2C400 2x"},"classes":[]},{"id":452,"url":"https:\/\/efagundes.com\/networking\/sistema-de-telefonia-movel\/1xev\/","url_meta":{"origin":249,"position":2},"title":"1xEV","author":"Eduardo Fagundes","date":"17\/11\/2012","format":false,"excerpt":"Basicamente, 1xEV-DO \u00e9 um sistema de dados sem fio com alta velocidade e alta capacidade que combina a conveni\u00eancia da mobilidade com o desempenho de uma rede de dados fixa. \u00c9 verdadeiramente uma tecnologia 3G uma vez que permite transmiss\u00e3o de dados com taxas acima de 2.4Mbps e ao mesmo\u2026","rel":"","context":"Post similar","block_context":{"text":"Post similar","link":""},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/efagundes.com\/networking\/wp-content\/uploads\/sites\/5\/2015\/03\/Slide292.jpg?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/efagundes.com\/networking\/wp-content\/uploads\/sites\/5\/2015\/03\/Slide292.jpg?resize=350%2C200 1x, https:\/\/i0.wp.com\/efagundes.com\/networking\/wp-content\/uploads\/sites\/5\/2015\/03\/Slide292.jpg?resize=525%2C300 1.5x, https:\/\/i0.wp.com\/efagundes.com\/networking\/wp-content\/uploads\/sites\/5\/2015\/03\/Slide292.jpg?resize=700%2C400 2x"},"classes":[]},{"id":163,"url":"https:\/\/efagundes.com\/networking\/redes-geograficamente-distribuidas\/asynchronous-transfer-mode-atm\/","url_meta":{"origin":249,"position":3},"title":"Asynchronous Transfer Mode (ATM)","author":"Eduardo Fagundes","date":"16\/11\/2012","format":false,"excerpt":"O ATM (Asynchronous Transfer Mode) \u00e9 uma tecnologia de rede tanto para redes locais como para redes geograficamente distribu\u00eddas (LANs e WANs) que suporta voz em tempo real, bem como v\u00eddeo e dados. A topologia usa comutadores que estabelecem um circuito l\u00f3gico fim-a-fim que garante a qualidade de servi\u00e7o na\u2026","rel":"","context":"Post similar","block_context":{"text":"Post similar","link":""},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/efagundes.com.br\/networking\/wp-content\/uploads\/sites\/7\/2012\/11\/Slide101.jpg?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/efagundes.com.br\/networking\/wp-content\/uploads\/sites\/7\/2012\/11\/Slide101.jpg?resize=350%2C200 1x, https:\/\/i0.wp.com\/efagundes.com.br\/networking\/wp-content\/uploads\/sites\/7\/2012\/11\/Slide101.jpg?resize=525%2C300 1.5x"},"classes":[]},{"id":240,"url":"https:\/\/efagundes.com\/networking\/teoria-da-transmissao-e-meios-magneticos\/sinais-limitados-pela-largura-de-banda-i\/","url_meta":{"origin":249,"position":4},"title":"Sinais limitados pela largura de banda (I)","author":"Eduardo Fagundes","date":"16\/11\/2012","format":false,"excerpt":"Nenhum recurso de transmiss\u00e3o \u00e9 capaz de transmitir sinais sem perder parte da energia no processo. 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