{"id":2682,"date":"2024-06-12T01:57:00","date_gmt":"2024-06-12T01:57:00","guid":{"rendered":"https:\/\/www.jammersignal.com\/?p=2682"},"modified":"2024-06-04T13:38:23","modified_gmt":"2024-06-04T13:38:23","slug":"do-you-know-three-advantages-of-shortwave-antennas","status":"publish","type":"post","link":"https:\/\/www.jammersignal.com\/fr\/do-you-know-three-advantages-of-shortwave-antennas\/","title":{"rendered":"Connaissez-vous les trois avantages des antennes \u00e0 ondes courtes ?"},"content":{"rendered":"<p>Malgr\u00e9 les progr\u00e8s consid\u00e9rables r\u00e9alis\u00e9s dans le domaine des communications par r\u00e9seau mobile, les antennes \u00e0 ondes courtes ont encore la faveur de nombreuses personnes. Mais savez-vous pourquoi ? Cela est d\u00fb en grande partie aux avantages des ondes courtes.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Examinons-les sous l'angle des fabricants d'antennes \u00e0 ondes courtes.<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1. ind\u00e9pendance par rapport \u00e0 l'infrastructure du r\u00e9seau :<\/h3>\n\n\n\n<p>Les ondes courtes sont la seule m\u00e9thode de communication \u00e0 longue distance qui ne repose pas sur des centres de r\u00e9seau et des syst\u00e8mes de relais actifs. En temps de guerre ou de catastrophe, divers r\u00e9seaux de communication peuvent \u00eatre d\u00e9truits, et m\u00eame les satellites peuvent devenir des cibles d'attaque. En revanche, les ondes courtes offrent une capacit\u00e9 de survie in\u00e9gal\u00e9e et des capacit\u00e9s de communication autonomes.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2. couverture dans des environnements difficiles :<\/h3>\n\n\n\n<p>Dans les r\u00e9gions telles que les montagnes, les d\u00e9serts et les oc\u00e9ans, o\u00f9 la couverture par les ondes ultra-courtes est limit\u00e9e ou inexistante, les ondes courtes deviennent indispensables. Il s'agit d'une option de communication fiable pour ces endroits \u00e9loign\u00e9s et difficiles d'acc\u00e8s.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><a href=\"https:\/\/www.jammersignal.com\/fr\/produit\/4g-hot-sale-8antenna-handheld-cell-phone-blocker\/\"><img fetchpriority=\"high\" decoding=\"async\" width=\"433\" height=\"433\" src=\"https:\/\/www.jammersignal.com\/wp-content\/uploads\/2024\/05\/4g-jammer-jammersignal-handheld-portable-jammers-1.jpg\" alt=\"brouilleur 4g jammersignal brouilleurs portables (1)\" class=\"wp-image-1763\" srcset=\"https:\/\/www.jammersignal.com\/wp-content\/uploads\/2024\/05\/4g-jammer-jammersignal-handheld-portable-jammers-1.jpg 433w, https:\/\/www.jammersignal.com\/wp-content\/uploads\/2024\/05\/4g-jammer-jammersignal-handheld-portable-jammers-1-300x300.jpg 300w, https:\/\/www.jammersignal.com\/wp-content\/uploads\/2024\/05\/4g-jammer-jammersignal-handheld-portable-jammers-1-150x150.jpg 150w, https:\/\/www.jammersignal.com\/wp-content\/uploads\/2024\/05\/4g-jammer-jammersignal-handheld-portable-jammers-1-100x100.jpg 100w\" sizes=\"(max-width: 433px) 100vw, 433px\" \/><\/a><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">3. le rapport co\u00fbt-efficacit\u00e9 :<\/h3>\n\n\n\n<p>Par rapport aux communications par satellite, les communications par ondes courtes ne n\u00e9cessitent pas de factures de t\u00e9l\u00e9phone, ce qui r\u00e9duit les co\u00fbts d'exploitation. Ce prix abordable en fait un choix id\u00e9al pour ceux qui recherchent des communications longue distance efficaces.<\/p>\n\n\n\n<p>La couverture est souvent un \u00e9l\u00e9ment important \u00e0 prendre en compte lors du choix d'un <a href=\"https:\/\/www.jammersignal.com\/fr\/\">brouilleur<\/a>. Quels sont donc les facteurs qui influencent la port\u00e9e du brouilleur ?<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Examinons cette question du point de vue des fabricants de brouilleurs de signaux :<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1) Puissance de sortie :<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Puissance de sortie blind\u00e9e<\/li>\n\n\n\n<li>Performance de rayonnement de l'antenne (gain d'antenne, directivit\u00e9, etc.)<\/li>\n\n\n\n<li>Autres facteurs connexes<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">2) M\u00e9thode d'interf\u00e9rence :<\/h3>\n\n\n\n<p>Les t\u00e9l\u00e9phones mobiles modernes utilisent principalement des signaux num\u00e9riques, qui ont de fortes capacit\u00e9s anti-interf\u00e9rences. L'utilisation de la technologie des signaux analogiques pour interf\u00e9rer avec les signaux num\u00e9riques produira des effets n\u00e9fastes. Par cons\u00e9quent, l'interf\u00e9rence des signaux num\u00e9riques est essentielle pour d\u00e9truire efficacement les signaux num\u00e9riques. Par rapport aux brouilleurs utilisant la technologie d'interf\u00e9rence des signaux analogiques, les brouilleurs utilisant la technologie des signaux d'interf\u00e9rence num\u00e9riques ont des besoins en \u00e9nergie plus faibles et une efficacit\u00e9 plus \u00e9lev\u00e9e.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3) Environnement int\u00e9rieur ou ext\u00e9rieur :<\/h3>\n\n\n\n<p>Il existe de grandes diff\u00e9rences dans la synth\u00e8se des signaux, l'att\u00e9nuation, la r\u00e9flexion et d'autres facteurs dans les environnements int\u00e9rieurs et ext\u00e9rieurs. En raison de ces diff\u00e9rents facteurs, il est tr\u00e8s compliqu\u00e9 d'analyser les signaux de t\u00e9l\u00e9phonie mobile et les signaux d'interf\u00e9rence dans les espaces int\u00e9rieurs.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img decoding=\"async\" width=\"733\" height=\"729\" src=\"https:\/\/www.jammersignal.com\/wp-content\/uploads\/2024\/05\/4g-jammer-jammersignal-handheld-portable-jammers-5.jpg\" alt=\"brouilleur 4g jammersignal brouilleurs portables (5)\" class=\"wp-image-1767\" srcset=\"https:\/\/www.jammersignal.com\/wp-content\/uploads\/2024\/05\/4g-jammer-jammersignal-handheld-portable-jammers-5.jpg 733w, https:\/\/www.jammersignal.com\/wp-content\/uploads\/2024\/05\/4g-jammer-jammersignal-handheld-portable-jammers-5-300x298.jpg 300w, https:\/\/www.jammersignal.com\/wp-content\/uploads\/2024\/05\/4g-jammer-jammersignal-handheld-portable-jammers-5-150x150.jpg 150w, https:\/\/www.jammersignal.com\/wp-content\/uploads\/2024\/05\/4g-jammer-jammersignal-handheld-portable-jammers-5-600x597.jpg 600w, https:\/\/www.jammersignal.com\/wp-content\/uploads\/2024\/05\/4g-jammer-jammersignal-handheld-portable-jammers-5-100x100.jpg 100w\" sizes=\"(max-width: 733px) 100vw, 733px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">4) Puissance et qualit\u00e9 du signal local :<\/h3>\n\n\n\n<p>L'intensit\u00e9 et la qualit\u00e9 du signal des r\u00e9seaux de t\u00e9l\u00e9phonie mobile voisins ont un impact significatif sur l'effet d'interf\u00e9rence. Des t\u00e9l\u00e9phones mobiles diff\u00e9rents peuvent r\u00e9agir diff\u00e9remment, et les appareils ayant une forte capacit\u00e9 \u00e0 recevoir des signaux faibles peuvent ne pas \u00eatre facilement perturb\u00e9s.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">5) Direction de la station de base et zone d'interf\u00e9rence :<\/h3>\n\n\n\n<p>La direction de la station de base et la couverture de la station de base sont indiqu\u00e9es dans le tableau ci-dessous. <a href=\"https:\/\/www.jammersignal.com\/fr\/product-category\/cell-phone-signal-jammer\/\">Brouilleur de t\u00e9l\u00e9phone cellulaire<\/a> affectera l'efficacit\u00e9 du blindage des signaux.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">6) Distance de blindage et caract\u00e9ristiques de transmission des signaux radio :<\/h3>\n\n\n\n<p>La distance de blindage est g\u00e9n\u00e9ralement consid\u00e9r\u00e9e en termes d'att\u00e9nuation du signal radio dans l'espace libre. Selon la formule de la th\u00e9orie de la transmission, l'intensit\u00e9 du signal diminue de 6 dB pour chaque doublement de la distance de transmission (ce qui se traduit par une division par quatre de la puissance du signal).<\/p>","protected":false},"excerpt":{"rendered":"<p>Malgr\u00e9 les progr\u00e8s consid\u00e9rables r\u00e9alis\u00e9s dans le domaine des communications par r\u00e9seau mobile, les antennes \u00e0 ondes courtes ont encore la faveur de nombreuses personnes. Mais savez-vous pourquoi ? Cela est d\u00fb en grande partie aux avantages des ondes courtes. Examinons-les \u00e0 la lumi\u00e8re des connaissances des fabricants d'antennes \u00e0 ondes courtes. 1. ind\u00e9pendance par rapport \u00e0 l'infrastructure du r\u00e9seau : Les ondes courtes sont la seule m\u00e9thode de communication \u00e0 longue distance qui ne d\u00e9pend pas [...]<\/p>","protected":false},"author":1,"featured_media":1650,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"disabled","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[99],"tags":[],"class_list":["post-2682","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-signal-jammer-information"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Do you know the three advantages of shortwave antennas? - JAMMERSIGNAL<\/title>\n<meta name=\"description\" content=\"Despite the great progress in mobile network communications, shortwave antennas are still favored by many people. But do you know why? This is largely due to the advantages of shortwave. Let&#039;s explore them from the insights of shortwave antenna manufacturers.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.jammersignal.com\/fr\/do-you-know-three-advantages-of-shortwave-antennas\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Do you know the three advantages of shortwave antennas? - JAMMERSIGNAL\" \/>\n<meta property=\"og:description\" content=\"Despite the great progress in mobile network communications, shortwave antennas are still favored by many people. But do you know why? This is largely due to the advantages of shortwave. Let&#039;s explore them from the insights of shortwave antenna manufacturers.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.jammersignal.com\/fr\/do-you-know-three-advantages-of-shortwave-antennas\/\" \/>\n<meta property=\"og:site_name\" content=\"JAMMERSIGNAL\" \/>\n<meta property=\"article:published_time\" content=\"2024-06-12T01:57:00+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-06-04T13:38:23+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.jammersignal.com\/wp-content\/uploads\/2024\/05\/new-portable-jammersignal-wifi-phone-cell-jammers-3.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"800\" \/>\n\t<meta property=\"og:image:height\" content=\"800\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Tom\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"Tom\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.jammersignal.com\/do-you-know-three-advantages-of-shortwave-antennas\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.jammersignal.com\/do-you-know-three-advantages-of-shortwave-antennas\/\"},\"author\":{\"name\":\"Tom\",\"@id\":\"https:\/\/www.jammersignal.com\/#\/schema\/person\/151f6dc0f4c288dbb8f8d70bee8e9202\"},\"headline\":\"Do you know the three advantages of shortwave antennas?\",\"datePublished\":\"2024-06-12T01:57:00+00:00\",\"dateModified\":\"2024-06-04T13:38:23+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.jammersignal.com\/do-you-know-three-advantages-of-shortwave-antennas\/\"},\"wordCount\":429,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/www.jammersignal.com\/#organization\"},\"image\":{\"@id\":\"https:\/\/www.jammersignal.com\/do-you-know-three-advantages-of-shortwave-antennas\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.jammersignal.com\/wp-content\/uploads\/2024\/05\/new-portable-jammersignal-wifi-phone-cell-jammers-3.jpg\",\"articleSection\":[\"Signal Jammer Information\"],\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/www.jammersignal.com\/do-you-know-three-advantages-of-shortwave-antennas\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.jammersignal.com\/do-you-know-three-advantages-of-shortwave-antennas\/\",\"url\":\"https:\/\/www.jammersignal.com\/do-you-know-three-advantages-of-shortwave-antennas\/\",\"name\":\"Do you know the three advantages of shortwave antennas? - JAMMERSIGNAL\",\"isPartOf\":{\"@id\":\"https:\/\/www.jammersignal.com\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.jammersignal.com\/do-you-know-three-advantages-of-shortwave-antennas\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/www.jammersignal.com\/do-you-know-three-advantages-of-shortwave-antennas\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.jammersignal.com\/wp-content\/uploads\/2024\/05\/new-portable-jammersignal-wifi-phone-cell-jammers-3.jpg\",\"datePublished\":\"2024-06-12T01:57:00+00:00\",\"dateModified\":\"2024-06-04T13:38:23+00:00\",\"description\":\"Despite the great progress in mobile network communications, shortwave antennas are still favored by many people. 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