{"id":238,"date":"2012-11-16T21:41:12","date_gmt":"2012-11-16T23:41:12","guid":{"rendered":"http:\/\/efagundes.com\/openclass_networking\/?page_id=238"},"modified":"2022-01-16T17:50:08","modified_gmt":"2022-01-16T20:50:08","slug":"analise-de-fourier","status":"publish","type":"page","link":"https:\/\/efagundes.com\/networking\/teoria-da-transmissao-e-meios-magneticos\/analise-de-fourier\/","title":{"rendered":"An\u00e1lise de Fourier"},"content":{"rendered":"<p><a href=\"https:\/\/i0.wp.com\/efagundes.com\/networking\/wp-content\/uploads\/sites\/5\/2015\/03\/Slide212.jpg\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"2389\" data-permalink=\"https:\/\/efagundes.com\/networking\/teoria-da-transmissao-e-meios-magneticos\/simulacao-de-uma-serie-de-fourier\/slide2-3\/\" data-orig-file=\"https:\/\/i0.wp.com\/efagundes.com\/networking\/wp-content\/uploads\/sites\/5\/2015\/03\/Slide212.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=\"Slide2\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/efagundes.com\/networking\/wp-content\/uploads\/sites\/5\/2015\/03\/Slide212.jpg?fit=960%2C720&amp;ssl=1\" class=\"alignnone size-full wp-image-2389\" src=\"https:\/\/i0.wp.com\/efagundes.com\/networking\/wp-content\/uploads\/sites\/5\/2015\/03\/Slide212.jpg?resize=960%2C720\" alt=\"Slide2\" width=\"960\" height=\"720\" srcset=\"https:\/\/i0.wp.com\/efagundes.com\/networking\/wp-content\/uploads\/sites\/5\/2015\/03\/Slide212.jpg?w=960&amp;ssl=1 960w, https:\/\/i0.wp.com\/efagundes.com\/networking\/wp-content\/uploads\/sites\/5\/2015\/03\/Slide212.jpg?resize=300%2C225&amp;ssl=1 300w\" sizes=\"auto, (max-width: 960px) 100vw, 960px\" \/><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"parent":533,"menu_order":61,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-238","page","type-page","status-publish","hentry"],"jetpack_shortlink":"https:\/\/wp.me\/P8yKGp-3Q","jetpack-related-posts":[{"id":244,"url":"https:\/\/efagundes.com\/networking\/teoria-da-transmissao-e-meios-magneticos\/simulacao-de-uma-serie-de-fourier\/","url_meta":{"origin":238,"position":0},"title":"Simula\u00e7\u00e3o de uma s\u00e9rie de Fourier","author":"Eduardo Fagundes","date":"16\/11\/2012","format":false,"excerpt":"\u00a0","rel":"","context":"Post similar","block_context":{"text":"Post similar","link":""},"img":{"alt_text":"Slide2","src":"https:\/\/i0.wp.com\/efagundes.com\/networking\/wp-content\/uploads\/sites\/5\/2015\/03\/Slide212.jpg?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/efagundes.com\/networking\/wp-content\/uploads\/sites\/5\/2015\/03\/Slide212.jpg?resize=350%2C200 1x, https:\/\/i0.wp.com\/efagundes.com\/networking\/wp-content\/uploads\/sites\/5\/2015\/03\/Slide212.jpg?resize=525%2C300 1.5x, https:\/\/i0.wp.com\/efagundes.com\/networking\/wp-content\/uploads\/sites\/5\/2015\/03\/Slide212.jpg?resize=700%2C400 2x"},"classes":[]},{"id":240,"url":"https:\/\/efagundes.com\/networking\/teoria-da-transmissao-e-meios-magneticos\/sinais-limitados-pela-largura-de-banda-i\/","url_meta":{"origin":238,"position":1},"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. Se todos os coeficientes da s\u00e9rie de Fourier fossem igualmente reduzidos, o sinal resultante seria reduzido em amplitude, mas n\u00e3o seria distorcido. 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Alguns especialistas afirmam que o tr\u00e1fico de dados superar\u00e1 o tr\u00e1fico de voz. Se j\u00e1 n\u00e3o ultrapassou. Atualmente, as empresas est\u00e3o avaliando o transporte de voz sobre as\u2026","rel":"","context":"Post similar","block_context":{"text":"Post similar","link":""},"img":{"alt_text":"Slide5","src":"https:\/\/i0.wp.com\/efagundes.com\/networking\/wp-content\/uploads\/sites\/5\/2015\/03\/Slide54.jpg?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/efagundes.com\/networking\/wp-content\/uploads\/sites\/5\/2015\/03\/Slide54.jpg?resize=350%2C200 1x, https:\/\/i0.wp.com\/efagundes.com\/networking\/wp-content\/uploads\/sites\/5\/2015\/03\/Slide54.jpg?resize=525%2C300 1.5x, https:\/\/i0.wp.com\/efagundes.com\/networking\/wp-content\/uploads\/sites\/5\/2015\/03\/Slide54.jpg?resize=700%2C400 2x"},"classes":[]},{"id":438,"url":"https:\/\/efagundes.com\/networking\/sistema-de-telefonia-movel\/","url_meta":{"origin":238,"position":3},"title":"Sistema de telefonia m\u00f3vel","author":"Eduardo Fagundes","date":"17\/11\/2012","format":false,"excerpt":"Apesar da comunica\u00e7\u00e3o m\u00f3vel ser conhecida desde o come\u00e7o do s\u00e9culo XX, ela foi desenvolvida em 1947 pelo Laborat\u00f3rio Bell, dos EUA, mas somente no final da d\u00e9cada de 70 e in\u00edcio da de 80 o Jap\u00e3o e a Su\u00e9cia ativam seus servi\u00e7os com tecnologia pr\u00f3pria (78 e 81 respectivamente).\u2026","rel":"","context":"Post similar","block_context":{"text":"Post similar","link":""},"img":{"alt_text":"Slide22","src":"https:\/\/i0.wp.com\/efagundes.com\/networking\/wp-content\/uploads\/sites\/5\/2015\/03\/Slide223.jpg?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/efagundes.com\/networking\/wp-content\/uploads\/sites\/5\/2015\/03\/Slide223.jpg?resize=350%2C200 1x, https:\/\/i0.wp.com\/efagundes.com\/networking\/wp-content\/uploads\/sites\/5\/2015\/03\/Slide223.jpg?resize=525%2C300 1.5x, https:\/\/i0.wp.com\/efagundes.com\/networking\/wp-content\/uploads\/sites\/5\/2015\/03\/Slide223.jpg?resize=700%2C400 2x"},"classes":[]},{"id":572,"url":"https:\/\/efagundes.com\/networking\/camada-de-enlace-de-dados\/servicos-oferecidos-a-camada-de-rede\/","url_meta":{"origin":238,"position":4},"title":"Servi\u00e7os oferecidos \u00e0 camada de rede","author":"Eduardo Fagundes","date":"17\/11\/2012","format":false,"excerpt":"A fun\u00e7\u00e3o da camada de enlace de dados \u00e9 fornece servi\u00e7os \u00e0 camada de rede. O principal servi\u00e7o \u00e9 transferir dados da camada de rede da m\u00e1quina de origem para a camada de rede da m\u00e1quina de destino. Na camada de rede da m\u00e1quina de origem, h\u00e1 uma entidade chamada\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\/Slide310.jpg?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/efagundes.com\/networking\/wp-content\/uploads\/sites\/5\/2015\/03\/Slide310.jpg?resize=350%2C200 1x, https:\/\/i0.wp.com\/efagundes.com\/networking\/wp-content\/uploads\/sites\/5\/2015\/03\/Slide310.jpg?resize=525%2C300 1.5x, https:\/\/i0.wp.com\/efagundes.com\/networking\/wp-content\/uploads\/sites\/5\/2015\/03\/Slide310.jpg?resize=700%2C400 2x"},"classes":[]},{"id":570,"url":"https:\/\/efagundes.com\/networking\/camada-de-enlace-de-dados\/a-camada-de-enlace-de-dados\/","url_meta":{"origin":238,"position":5},"title":"A camada de enlace de dados","author":"Eduardo Fagundes","date":"17\/11\/2012","format":false,"excerpt":"O problema b\u00e1sico que esta camada deve resolver \u00e9 a de prover uma linha de comunica\u00e7\u00e3o entre dois nodos que necessitam trocar informa\u00e7\u00f5es entre si. 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