{"id":18193,"date":"2024-12-04T08:05:00","date_gmt":"2024-12-04T11:05:00","guid":{"rendered":"https:\/\/hangarmma.com.br\/blog\/?post_type=glossary&#038;p=18193"},"modified":"2024-12-04T08:05:15","modified_gmt":"2024-12-04T11:05:15","slug":"decibel-db","status":"publish","type":"glossary","link":"https:\/\/hangarmma.com.br\/blog\/decibel-db\/","title":{"rendered":"Decibel (dB)"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Decibel (dB)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">O decibel (dB) &#xE9; uma unidade logar&#xED;tmica que equivale a um d&#xE9;cimo de um bel, sendo amplamente utilizada para expressar rela&#xE7;&#xF5;es de <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_555b5d38d6960552ca65f98e44b9c9b6\" data-link=\"https:\/\/hangarmma.com.br\/blog\/potencia\/\" href=\"https:\/\/hangarmma.com.br\/blog\/potencia\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">pot&#xEA;ncia<\/a>, tens&#xE3;o ou intensidade sonora em sistemas eletr&#xF4;nicos e de <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_09e2f1cc48a95ea1e8945a1f73bfdcc7\" data-link=\"https:\/\/hangarmma.com.br\/blog\/comunicacao\/\" href=\"https:\/\/hangarmma.com.br\/blog\/comunicacao\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">comunica&#xE7;&#xE3;o<\/a>. Por ser uma escala logar&#xED;tmica, o decibel permite representar varia&#xE7;&#xF5;es muito grandes de valores de forma compacta e pr&#xE1;tica.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">No contexto de <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_9dcfa9492af8b60df93f046f1fdd1794\" data-link=\"https:\/\/hangarmma.com.br\/blog\/avionica\/\" href=\"https:\/\/hangarmma.com.br\/blog\/avionica\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">avi&#xF4;nica<\/a>, o decibel &#xE9; empregado em diversas &#xE1;reas, como na medi&#xE7;&#xE3;o da efici&#xEA;ncia de <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_888a17dc088ec69c5cd1f93c9632161a\" data-link=\"https:\/\/hangarmma.com.br\/blog\/antenas\/\" href=\"https:\/\/hangarmma.com.br\/blog\/antenas\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">antenas<\/a>, <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_cffefa9dc9179920a075e580749545c1\" data-link=\"https:\/\/hangarmma.com.br\/blog\/ganho\/\" href=\"https:\/\/hangarmma.com.br\/blog\/ganho\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">ganho de sinal<\/a> em sistemas de r&#xE1;dio e <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_bf3b31a1d9aa822b34519c57bc9f2af8\" data-link=\"https:\/\/hangarmma.com.br\/blog\/radar-2\/\" href=\"https:\/\/hangarmma.com.br\/blog\/radar-2\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">radar<\/a>, e <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_1e56933e56d0fb2d1d2d1d01446fbd2a\" data-link=\"https:\/\/hangarmma.com.br\/blog\/atenuacao\/\" href=\"https:\/\/hangarmma.com.br\/blog\/atenuacao\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">atenua&#xE7;&#xE3;o<\/a> em cabos ou circuitos. Por exemplo, uma rela&#xE7;&#xE3;o de <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_555b5d38d6960552ca65f98e44b9c9b6\" data-link=\"https:\/\/hangarmma.com.br\/blog\/potencia\/\" href=\"https:\/\/hangarmma.com.br\/blog\/potencia\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">pot&#xEA;ncia<\/a> de 10 vezes corresponde a 10 dB, enquanto uma de 100 vezes equivale a 20 dB. Na avia&#xE7;&#xE3;o, esse conceito ajuda a avaliar a qualidade e confiabilidade de transmiss&#xF5;es de r&#xE1;dio e o desempenho de sistemas eletr&#xF4;nicos, essenciais para a seguran&#xE7;a e <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_09e2f1cc48a95ea1e8945a1f73bfdcc7\" data-link=\"https:\/\/hangarmma.com.br\/blog\/comunicacao\/\" href=\"https:\/\/hangarmma.com.br\/blog\/comunicacao\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">comunica&#xE7;&#xE3;o<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">O uso do decibel tamb&#xE9;m facilita compara&#xE7;&#xF5;es entre sinais, j&#xE1; que pequenas varia&#xE7;&#xF5;es no dB representam mudan&#xE7;as significativas no desempenho do sistema. Essa unidade &#xE9; indispens&#xE1;vel para interpretar e ajustar corretamente os sistemas de avi&#xF4;nicos.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Decibel (dB) O decibel (dB) \u00e9 uma unidade logar\u00edtmica que equivale a um d\u00e9cimo de um bel, sendo amplamente utilizada para expressar rela\u00e7\u00f5es de pot\u00eancia, tens\u00e3o ou intensidade sonora em sistemas eletr\u00f4nicos e de comunica\u00e7\u00e3o. Por ser uma escala logar\u00edtmica, o decibel permite representar varia\u00e7\u00f5es muito grandes de valores de forma compacta e pr\u00e1tica. No [&hellip;]<\/p>\n","protected":false},"author":12,"featured_media":0,"menu_order":0,"template":"","meta":{"_acf_changed":false,"footnotes":""},"glossary-categories":[],"glossary-tags":[],"class_list":["post-18193","glossary","type-glossary","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Decibel (dB) - HANGAR MMA<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/hangarmma.com.br\/blog\/decibel-db\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Decibel (dB) - HANGAR MMA\" \/>\n<meta property=\"og:description\" content=\"Decibel (dB) O decibel (dB) \u00e9 uma unidade logar\u00edtmica que equivale a um d\u00e9cimo de um bel, sendo amplamente utilizada para expressar rela\u00e7\u00f5es de pot\u00eancia, tens\u00e3o ou intensidade sonora em sistemas eletr\u00f4nicos e de comunica\u00e7\u00e3o. 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