{"id":6056,"date":"2021-06-21T08:00:36","date_gmt":"2021-06-21T08:00:36","guid":{"rendered":"https:\/\/tedae.org\/uncategorized\/new-space-cuestion-de-atenas\/"},"modified":"2024-04-02T10:49:57","modified_gmt":"2024-04-02T10:49:57","slug":"new-space-cuestion-de-atenas","status":"publish","type":"post","link":"https:\/\/tedae.org\/en\/espacio\/new-space-cuestion-de-atenas\/","title":{"rendered":"New Space. Cuesti\u00f3n de Atenas"},"content":{"rendered":"<div class=\"text-justify\">\n<p>En el anterior n\u00famero se habl\u00f3 de las plataformas sat\u00e9lites miniaturizadas conocidas como nanosat\u00e9lites, con sus distintas formas y dimensiones, sus caracter\u00edsticas y posibilidades. Debido a que la calidad de los datos que recopilan est\u00e1 asociada a la calidad de la se\u00f1al que env\u00edan a la Tierra y viceversa, en este nuevo cap\u00edtulo nos fijamos en la dependencia que tienen a su vez de la calidad de las antenas que env\u00edan esos datos hasta convertirse en elementos cr\u00edticos de las misiones. Los resultados que se obtienen con una buena antena aseguran misiones cada vez m\u00e1s ambiciosas como im\u00e1genes radar, monitorizaci\u00f3n de radiofrecuencia o telecomunicaciones.<\/p>\n<p>Estos sat\u00e9lites peque\u00f1os necesitan un espacio espec\u00edfico en el bus del sat\u00e9lite y, a menudo, un despliegue mec\u00e1nico tras su lanzamiento. Se requiere por tanto un peso adicional y un espacio que podr\u00eda dedicarse a otro objetivo, sin olvidar la fiabilidad que deben garantizar. Es necesario recordar que en un alto porcentaje de las misiones de lanzamiento de nanosat\u00e9lites (seg\u00fan los estudios un 80-90%) acaban en fracaso por el desacoplamiento de la antena en el momento del lanzamiento y puesta en \u00f3rbita. <\/p>\n<p>En la actualidad existen varios proyectos comprometidos con la miniaturizaci\u00f3n de las antenas y unas buenas caracter\u00edsticas de radiaci\u00f3n. En la lista de elementos importantes para dise\u00f1ar una antena figuran: una gama de frecuencias en las que se puede usar, el ancho de banda, el patr\u00f3n o diagrama de radiaci\u00f3n, la ganancia m\u00e1xima, la impedancia de entrada, el coste, el tama\u00f1o y, por supuesto, la asequibilidad.<\/p>\n<blockquote>\n<p>En la actualidad existen varios proyectos comprometidos con la miniaturizaci\u00f3n de las antenas y unas buenas caracter\u00edsticas de radiaci\u00f3n\u201d<\/p>\n<\/blockquote>\n<h4>\n<p><strong>GRUPOS<\/strong> <\/p>\n<\/h4>\n<p>Sin centrarnos mucho en los aspectos t\u00e9cnicos, y con el objetivo de comprender mejor sus distintos funcionamientos, se clasifican en dos grupos principales las clases de antenas para nanosat\u00e9lites: desplegables y fijas.<\/p>\n<p>  <strong><em>DESPLEGABLES<\/em><\/strong> <\/p>\n<p>Existen multitud de mecanismos de despliegue de antenas, siendo los m\u00e1s populares:  <\/p>\n<p><strong>Monopolos\/dipolos:<\/strong> los m\u00e1s corrientes en los CubeSats que consisten en grupos pares de dipolos conectados a la salida de un divisor.<\/p>\n<p><strong>H\u00e9lices:<\/strong> antenas helicoidales que cuentan con un m\u00e9todo de despliegue el\u00e9ctrico por su tama\u00f1o. Se suelen desarrollar para operar desde los 400 MHZ a los 3GHZ. La estructura se compacta axialmente para disminuir sus dimensiones.<\/p>\n<p><strong>Parab\u00f3licas:<\/strong> Ligeras y ultracompactas.<\/p>\n<p>La mayor dificultad en el dise\u00f1o de las desplegables es el sistema mec\u00e1nico de despliegue una vez en \u00f3rbita, de forma completa y correcta. Si se produjera un fallo, su funcionamiento se ver\u00eda afectado.<\/p>\n<p><strong><em>FIJAS<\/em><\/strong><\/p>\n<p>Su mayor desaf\u00edo es la restricci\u00f3n de tama\u00f1o. <\/p>\n<p><strong>Planares:<\/strong> hay mucha variedad de dise\u00f1os, uno de los m\u00e1s habituales lo constituye la planar de tipo parche con polarizaci\u00f3n circular basada en dos anillos.<\/p>\n<p>Otra es la microparche basada en tecnolog\u00eda microstrip, muy popular en aplicaciones que requieren reducido tama\u00f1o y simplicidad de fabricaci\u00f3n. Su integraci\u00f3n en superficies planas y no planas es sencilla y se adapta f\u00e1cilmente a los circuitos integrados de microondas. Su versatilidad es real, aunque conlleva algunas desventajas como la baja potencia de radiaci\u00f3n y el escaso ancho de banda.  Sin embargo, el coste de las antenas de parche es menor que el de otras clases debido a la facilidad para fabricarlas sobre placas de circuito impreso.<\/p>\n<p>En general, se considera que las antenas fijas son m\u00e1s fiables que las desplegables.<\/p>\n<p>En la actualidad, equipos de cient\u00edficos asociados a instituciones europeas y mundiales, universidades y empresas se encuentran inmersos en el dise\u00f1o, prueba y puesta en marcha de antenas compactas, sencillas y asequibles orientadas a mejorar las funciones de los nanosat\u00e9lites en materia de teledetecci\u00f3n o comunicaciones. Otro campo de investigaci\u00f3n y desarrollo que involucra a un tejido industrial con la misi\u00f3n de rentabilizar al m\u00e1ximo el estrecho campo de visi\u00f3n de la antena en \u00f3rbitas bajas, para enviar im\u00e1genes y v\u00eddeos de alta resoluci\u00f3n y tiempo real a la Tierra.<\/p>\n<\/p><\/div>","protected":false},"excerpt":{"rendered":"<p>New Space. Cuesti\u00f3n de Atenas<\/p>","protected":false},"author":5,"featured_media":6057,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[436],"tags":[],"class_list":{"0":"post-6056","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-espacio"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>New Space. Cuesti\u00f3n de Atenas - TEDAE<\/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:\/\/tedae.org\/en\/espacio\/new-space-cuestion-de-atenas\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"New Space. Cuesti\u00f3n de Atenas - TEDAE\" \/>\n<meta property=\"og:description\" content=\"New Space. Cuesti\u00f3n de Atenas\" \/>\n<meta property=\"og:url\" content=\"https:\/\/tedae.org\/en\/espacio\/new-space-cuestion-de-atenas\/\" \/>\n<meta property=\"og:site_name\" content=\"TEDAE\" \/>\n<meta property=\"article:published_time\" content=\"2021-06-21T08:00:36+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-04-02T10:49:57+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/tedae.org\/wp-content\/uploads\/2023\/11\/1622704901_new-space-1-645x363-jpg.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"645\" \/>\n\t<meta property=\"og:image:height\" content=\"363\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"TEDAE\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@espaciotedae\" \/>\n<meta name=\"twitter:site\" content=\"@espaciotedae\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"TEDAE\" \/>\n\t<meta name=\"twitter:label2\" content=\"Estimated reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/tedae.org\\\/espacio\\\/new-space-cuestion-de-atenas\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/tedae.org\\\/espacio\\\/new-space-cuestion-de-atenas\\\/\"},\"author\":{\"name\":\"TEDAE\",\"@id\":\"https:\\\/\\\/tedae.org\\\/en\\\/#\\\/schema\\\/person\\\/113a30a9c13bf4827297415a25bd1cc4\"},\"headline\":\"New Space. Cuesti\u00f3n de Atenas\",\"datePublished\":\"2021-06-21T08:00:36+00:00\",\"dateModified\":\"2024-04-02T10:49:57+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/tedae.org\\\/espacio\\\/new-space-cuestion-de-atenas\\\/\"},\"wordCount\":709,\"publisher\":{\"@id\":\"https:\\\/\\\/tedae.org\\\/en\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/tedae.org\\\/espacio\\\/new-space-cuestion-de-atenas\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/tedae.org\\\/wp-content\\\/uploads\\\/2023\\\/11\\\/1622704901_new-space-1-645x363-jpg.jpg\",\"articleSection\":[\"Espacio\"],\"inLanguage\":\"en-GB\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/tedae.org\\\/espacio\\\/new-space-cuestion-de-atenas\\\/\",\"url\":\"https:\\\/\\\/tedae.org\\\/espacio\\\/new-space-cuestion-de-atenas\\\/\",\"name\":\"New Space. Cuesti\u00f3n de Atenas - TEDAE\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/tedae.org\\\/en\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/tedae.org\\\/espacio\\\/new-space-cuestion-de-atenas\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/tedae.org\\\/espacio\\\/new-space-cuestion-de-atenas\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/tedae.org\\\/wp-content\\\/uploads\\\/2023\\\/11\\\/1622704901_new-space-1-645x363-jpg.jpg\",\"datePublished\":\"2021-06-21T08:00:36+00:00\",\"dateModified\":\"2024-04-02T10:49:57+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/tedae.org\\\/espacio\\\/new-space-cuestion-de-atenas\\\/#breadcrumb\"},\"inLanguage\":\"en-GB\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/tedae.org\\\/espacio\\\/new-space-cuestion-de-atenas\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-GB\",\"@id\":\"https:\\\/\\\/tedae.org\\\/espacio\\\/new-space-cuestion-de-atenas\\\/#primaryimage\",\"url\":\"https:\\\/\\\/tedae.org\\\/wp-content\\\/uploads\\\/2023\\\/11\\\/1622704901_new-space-1-645x363-jpg.jpg\",\"contentUrl\":\"https:\\\/\\\/tedae.org\\\/wp-content\\\/uploads\\\/2023\\\/11\\\/1622704901_new-space-1-645x363-jpg.jpg\",\"width\":645,\"height\":363},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/tedae.org\\\/espacio\\\/new-space-cuestion-de-atenas\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Portada\",\"item\":\"https:\\\/\\\/tedae.org\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"New Space. Cuesti\u00f3n de Atenas\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/tedae.org\\\/en\\\/#website\",\"url\":\"https:\\\/\\\/tedae.org\\\/en\\\/\",\"name\":\"TEDAE\",\"description\":\"Defensa, Seguridad, Aeron\u00e1utica y Espacio\",\"publisher\":{\"@id\":\"https:\\\/\\\/tedae.org\\\/en\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/tedae.org\\\/en\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-GB\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/tedae.org\\\/en\\\/#organization\",\"name\":\"TEDAE, Defensa, Seguridad, Aeron\u00e1utica y Espacio\",\"url\":\"https:\\\/\\\/tedae.org\\\/en\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-GB\",\"@id\":\"https:\\\/\\\/tedae.org\\\/en\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/tedae.org\\\/wp-content\\\/uploads\\\/2024\\\/04\\\/logo-svg-color.svg\",\"contentUrl\":\"https:\\\/\\\/tedae.org\\\/wp-content\\\/uploads\\\/2024\\\/04\\\/logo-svg-color.svg\",\"width\":300,\"height\":85,\"caption\":\"TEDAE, Defensa, Seguridad, Aeron\u00e1utica y Espacio\"},\"image\":{\"@id\":\"https:\\\/\\\/tedae.org\\\/en\\\/#\\\/schema\\\/logo\\\/image\\\/\"},\"sameAs\":[\"https:\\\/\\\/x.com\\\/espaciotedae\",\"https:\\\/\\\/www.linkedin.com\\\/company\\\/tedae\",\"https:\\\/\\\/www.youtube.com\\\/channel\\\/UCvtCvdowrYJGJGdnUKRKeSg\"]},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/tedae.org\\\/en\\\/#\\\/schema\\\/person\\\/113a30a9c13bf4827297415a25bd1cc4\",\"name\":\"TEDAE\",\"url\":\"https:\\\/\\\/tedae.org\\\/en\\\/author\\\/tedae\\\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"New Space. Cuesti\u00f3n de Atenas - TEDAE","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/tedae.org\/en\/espacio\/new-space-cuestion-de-atenas\/","og_locale":"en_GB","og_type":"article","og_title":"New Space. Cuesti\u00f3n de Atenas - TEDAE","og_description":"New Space. Cuesti\u00f3n de Atenas","og_url":"https:\/\/tedae.org\/en\/espacio\/new-space-cuestion-de-atenas\/","og_site_name":"TEDAE","article_published_time":"2021-06-21T08:00:36+00:00","article_modified_time":"2024-04-02T10:49:57+00:00","og_image":[{"width":645,"height":363,"url":"https:\/\/tedae.org\/wp-content\/uploads\/2023\/11\/1622704901_new-space-1-645x363-jpg.jpg","type":"image\/jpeg"}],"author":"TEDAE","twitter_card":"summary_large_image","twitter_creator":"@espaciotedae","twitter_site":"@espaciotedae","twitter_misc":{"Written by":"TEDAE","Estimated reading time":"4 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/tedae.org\/espacio\/new-space-cuestion-de-atenas\/#article","isPartOf":{"@id":"https:\/\/tedae.org\/espacio\/new-space-cuestion-de-atenas\/"},"author":{"name":"TEDAE","@id":"https:\/\/tedae.org\/en\/#\/schema\/person\/113a30a9c13bf4827297415a25bd1cc4"},"headline":"New Space. Cuesti\u00f3n de Atenas","datePublished":"2021-06-21T08:00:36+00:00","dateModified":"2024-04-02T10:49:57+00:00","mainEntityOfPage":{"@id":"https:\/\/tedae.org\/espacio\/new-space-cuestion-de-atenas\/"},"wordCount":709,"publisher":{"@id":"https:\/\/tedae.org\/en\/#organization"},"image":{"@id":"https:\/\/tedae.org\/espacio\/new-space-cuestion-de-atenas\/#primaryimage"},"thumbnailUrl":"https:\/\/tedae.org\/wp-content\/uploads\/2023\/11\/1622704901_new-space-1-645x363-jpg.jpg","articleSection":["Espacio"],"inLanguage":"en-GB"},{"@type":"WebPage","@id":"https:\/\/tedae.org\/espacio\/new-space-cuestion-de-atenas\/","url":"https:\/\/tedae.org\/espacio\/new-space-cuestion-de-atenas\/","name":"New Space. Cuesti\u00f3n de Atenas - TEDAE","isPartOf":{"@id":"https:\/\/tedae.org\/en\/#website"},"primaryImageOfPage":{"@id":"https:\/\/tedae.org\/espacio\/new-space-cuestion-de-atenas\/#primaryimage"},"image":{"@id":"https:\/\/tedae.org\/espacio\/new-space-cuestion-de-atenas\/#primaryimage"},"thumbnailUrl":"https:\/\/tedae.org\/wp-content\/uploads\/2023\/11\/1622704901_new-space-1-645x363-jpg.jpg","datePublished":"2021-06-21T08:00:36+00:00","dateModified":"2024-04-02T10:49:57+00:00","breadcrumb":{"@id":"https:\/\/tedae.org\/espacio\/new-space-cuestion-de-atenas\/#breadcrumb"},"inLanguage":"en-GB","potentialAction":[{"@type":"ReadAction","target":["https:\/\/tedae.org\/espacio\/new-space-cuestion-de-atenas\/"]}]},{"@type":"ImageObject","inLanguage":"en-GB","@id":"https:\/\/tedae.org\/espacio\/new-space-cuestion-de-atenas\/#primaryimage","url":"https:\/\/tedae.org\/wp-content\/uploads\/2023\/11\/1622704901_new-space-1-645x363-jpg.jpg","contentUrl":"https:\/\/tedae.org\/wp-content\/uploads\/2023\/11\/1622704901_new-space-1-645x363-jpg.jpg","width":645,"height":363},{"@type":"BreadcrumbList","@id":"https:\/\/tedae.org\/espacio\/new-space-cuestion-de-atenas\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Portada","item":"https:\/\/tedae.org\/"},{"@type":"ListItem","position":2,"name":"New Space. Cuesti\u00f3n de Atenas"}]},{"@type":"WebSite","@id":"https:\/\/tedae.org\/en\/#website","url":"https:\/\/tedae.org\/en\/","name":"TEDAE","description":"Defensa, Seguridad, Aeron\u00e1utica y Espacio","publisher":{"@id":"https:\/\/tedae.org\/en\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/tedae.org\/en\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-GB"},{"@type":"Organization","@id":"https:\/\/tedae.org\/en\/#organization","name":"TEDAE, Defensa, Seguridad, Aeron\u00e1utica y Espacio","url":"https:\/\/tedae.org\/en\/","logo":{"@type":"ImageObject","inLanguage":"en-GB","@id":"https:\/\/tedae.org\/en\/#\/schema\/logo\/image\/","url":"https:\/\/tedae.org\/wp-content\/uploads\/2024\/04\/logo-svg-color.svg","contentUrl":"https:\/\/tedae.org\/wp-content\/uploads\/2024\/04\/logo-svg-color.svg","width":300,"height":85,"caption":"TEDAE, Defensa, Seguridad, Aeron\u00e1utica y Espacio"},"image":{"@id":"https:\/\/tedae.org\/en\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/x.com\/espaciotedae","https:\/\/www.linkedin.com\/company\/tedae","https:\/\/www.youtube.com\/channel\/UCvtCvdowrYJGJGdnUKRKeSg"]},{"@type":"Person","@id":"https:\/\/tedae.org\/en\/#\/schema\/person\/113a30a9c13bf4827297415a25bd1cc4","name":"TEDAE","url":"https:\/\/tedae.org\/en\/author\/tedae\/"}]}},"jetpack_featured_media_url":"https:\/\/tedae.org\/wp-content\/uploads\/2023\/11\/1622704901_new-space-1-645x363-jpg.jpg","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/tedae.org\/en\/wp-json\/wp\/v2\/posts\/6056","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/tedae.org\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/tedae.org\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/tedae.org\/en\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/tedae.org\/en\/wp-json\/wp\/v2\/comments?post=6056"}],"version-history":[{"count":1,"href":"https:\/\/tedae.org\/en\/wp-json\/wp\/v2\/posts\/6056\/revisions"}],"predecessor-version":[{"id":12582,"href":"https:\/\/tedae.org\/en\/wp-json\/wp\/v2\/posts\/6056\/revisions\/12582"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/tedae.org\/en\/wp-json\/wp\/v2\/media\/6057"}],"wp:attachment":[{"href":"https:\/\/tedae.org\/en\/wp-json\/wp\/v2\/media?parent=6056"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/tedae.org\/en\/wp-json\/wp\/v2\/categories?post=6056"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tedae.org\/en\/wp-json\/wp\/v2\/tags?post=6056"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}