{"id":10044,"date":"2022-05-17T17:34:29","date_gmt":"2022-05-17T09:34:29","guid":{"rendered":"https:\/\/bdstarpnt.com\/?p=10044"},"modified":"2026-01-29T17:35:42","modified_gmt":"2026-01-29T09:35:42","slug":"explicacion-detallada-del-servicio-de-cronometraje-por-satelite-beidou","status":"publish","type":"post","link":"https:\/\/bdpnt.com\/es\/explicacion-detallada-del-servicio-de-cronometraje-por-satelite-beidou\/","title":{"rendered":"Detalles del servicio de cronometraje por sat\u00e9lite Beidou (sistema de cronometraje del servidor de tiempo de red ntp)"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"10044\" class=\"elementor elementor-10044\" data-elementor-post-type=\"post\">\n\t\t\t\t<div data-particle_enable=\"false\" data-particle-mobile-disabled=\"false\" class=\"elementor-element elementor-element-2811d88 e-flex e-con-boxed e-con e-parent\" data-id=\"2811d88\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-cda90cf elementor-widget elementor-widget-woocommerce-breadcrumb\" data-id=\"cda90cf\" data-element_type=\"widget\" data-widget_type=\"woocommerce-breadcrumb.default\">\n\t\t\t\t\t<nav class=\"woocommerce-breadcrumb\" aria-label=\"Breadcrumb\" data-no-translation=\"\" data-trp-gettext=\"\">Inicio<\/nav>\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div data-particle_enable=\"false\" data-particle-mobile-disabled=\"false\" class=\"elementor-element elementor-element-32d0775 e-con-full e-flex e-con e-parent\" data-id=\"32d0775\" data-element_type=\"container\">\n\t\t<div data-particle_enable=\"false\" data-particle-mobile-disabled=\"false\" class=\"elementor-element elementor-element-b683f1a e-flex e-con-boxed e-con e-child\" data-id=\"b683f1a\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-dbc4c4b elementor-widget elementor-widget-theme-post-title elementor-page-title elementor-widget-heading\" data-id=\"dbc4c4b\" data-element_type=\"widget\" data-widget_type=\"theme-post-title.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Detalles del servicio de cronometraje por sat\u00e9lite Beidou (sistema de cronometraje del servidor de tiempo de red ntp)<\/h2>\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div data-particle_enable=\"false\" data-particle-mobile-disabled=\"false\" class=\"elementor-element elementor-element-d6bdb54 e-flex e-con-boxed e-con e-parent\" data-id=\"d6bdb54\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-523140f elementor-widget elementor-widget-spacer\" data-id=\"523140f\" data-element_type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div data-particle_enable=\"false\" data-particle-mobile-disabled=\"false\" class=\"elementor-element elementor-element-555d92a e-flex e-con-boxed e-con e-parent\" data-id=\"555d92a\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div data-particle_enable=\"false\" data-particle-mobile-disabled=\"false\" class=\"elementor-element elementor-element-af47c57 e-con-full e-flex e-con e-child\" data-id=\"af47c57\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-caae446 elementor-widget elementor-widget-theme-post-title elementor-page-title elementor-widget-heading\" data-id=\"caae446\" data-element_type=\"widget\" data-widget_type=\"theme-post-title.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Detalles del servicio de cronometraje por sat\u00e9lite Beidou (sistema de cronometraje del servidor de tiempo de red ntp)<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2c015c9 elementor-widget elementor-widget-post-info\" data-id=\"2c015c9\" data-element_type=\"widget\" data-widget_type=\"post-info.default\">\n\t\t\t\t\t\t\t<ul class=\"elementor-inline-items elementor-icon-list-items elementor-post-info\">\r\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item elementor-repeater-item-763f8c4 elementor-inline-item\" itemprop=\"datePublished\">\r\n\t\t\t\t\t\t<a href=\"https:\/\/bdpnt.com\/es\/2022\/05\/17\/\">\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text elementor-post-info__item elementor-post-info__item--type-date\">\r\n\t\t\t\t\t\t\t\t\t\t<time>17 de mayo de 2022<\/time>\t\t\t\t\t<\/span>\r\n\t\t\t\t\t\t\t\t\t<\/a>\r\n\t\t\t\t<\/li>\r\n\t\t\t\t<li class=\"elementor-icon-list-item elementor-repeater-item-61b95ab elementor-inline-item\">\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text elementor-post-info__item elementor-post-info__item--type-time\">\r\n\t\t\t\t\t\t\t\t\t\t<time>17:34<\/time>\t\t\t\t\t<\/span>\r\n\t\t\t\t\t\t\t\t<\/li>\r\n\t\t\t\t<\/ul>\r\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d451aa6 elementor-widget elementor-widget-text-editor\" data-id=\"d451aa6\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p class=\"c-paragraph paragraph_9N5Su2\">La mayor\u00eda de estos servicios prestados por el sistema Beidou son muy f\u00e1ciles de entender. Algunos de ustedes se preguntar\u00e1n qu\u00e9 es la temporizaci\u00f3n.<br \/>El cronometraje es simplemente la transmisi\u00f3n de la hora est\u00e1ndar.<br \/>De hecho, la necesidad de medir el tiempo existe desde hace mucho tiempo. Podemos ver edificios como torres de reloj en muchas ciudades del pa\u00eds.<br \/>Una torre de reloj es la herramienta que transmite la hora de una ciudad. Todo el mundo sabe qu\u00e9 hora es cuando oye la campana y puede ir a hacer las cosas en consecuencia.<br \/>Sabemos que la hora est\u00e1ndar internacional actual se denomina Tiempo Universal Coordinado (UTC), que se basa en la longitud del segundo en el tiempo at\u00f3mico combinada con el momento en el Tiempo Universal. Cuando la diferencia entre ambos se acumula a\u00f1o tras a\u00f1o y alcanza los 0,9 segundos, el error se compensa con m\u00e1s o menos un segundo bisiesto, manteniendo al mismo tiempo una escala de tiempo uniforme.<br \/>El servicio de cronometraje del sistema Beidou consiste en difundir la hora est\u00e1ndar china desde el Centro Nacional de Cronometraje de la Academia China de Ciencias a aplicaciones de diversas industrias a trav\u00e9s de servicios por sat\u00e9lite para garantizar la sincronizaci\u00f3n y precisi\u00f3n horarias.<\/p><div class=\"textblock_4jEvIs\">\u00a0<\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0284abf elementor-widget elementor-widget-spacer\" data-id=\"0284abf\" data-element_type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div data-particle_enable=\"false\" data-particle-mobile-disabled=\"false\" class=\"elementor-element elementor-element-360fe1c e-con-full e-flex e-con e-child\" data-id=\"360fe1c\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-82c9d96 elementor-widget elementor-widget-theme-post-featured-image elementor-widget-image\" data-id=\"82c9d96\" data-element_type=\"widget\" data-widget_type=\"theme-post-featured-image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"847\" height=\"517\" src=\"https:\/\/bdpnt.com\/wp-content\/uploads\/2025\/08\/1-22051GI3540-L.png\" class=\"attachment-large size-large wp-image-10045\" alt=\"\" srcset=\"https:\/\/bdpnt.com\/wp-content\/uploads\/2025\/08\/1-22051GI3540-L.png 847w, https:\/\/bdpnt.com\/wp-content\/uploads\/2025\/08\/1-22051GI3540-L-300x183.png 300w, https:\/\/bdpnt.com\/wp-content\/uploads\/2025\/08\/1-22051GI3540-L-768x469.png 768w, https:\/\/bdpnt.com\/wp-content\/uploads\/2025\/08\/1-22051GI3540-L-600x366.png 600w\" sizes=\"(max-width: 847px) 100vw, 847px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9694a04 elementor-widget elementor-widget-spacer\" data-id=\"9694a04\" data-element_type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div data-particle_enable=\"false\" data-particle-mobile-disabled=\"false\" class=\"elementor-element elementor-element-e3f55b6 e-flex e-con-boxed e-con e-parent\" data-id=\"e3f55b6\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-ef107c3 elementor-widget elementor-widget-spacer\" data-id=\"ef107c3\" data-element_type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a4ff8f5 elementor-widget elementor-widget-heading\" data-id=\"a4ff8f5\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Escaparate detallado<\/h3>\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div data-particle_enable=\"false\" data-particle-mobile-disabled=\"false\" class=\"elementor-element elementor-element-0815fb2 e-flex e-con-boxed e-con e-parent\" data-id=\"0815fb2\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-8bae357 elementor-widget elementor-widget-text-editor\" data-id=\"8bae357\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>C\u00f3mo localizar por sat\u00e9lite<\/p><p>Los sat\u00e9lites env\u00edan se\u00f1ales al exterior a intervalos regulares y nuestros receptores de se\u00f1al localizan la posici\u00f3n recibiendo se\u00f1ales de los sat\u00e9lites.<\/p><p>Supongamos que ahora hay dos sat\u00e9lites, cada uno con su propio reloj. Supongamos que cada sat\u00e9lite env\u00eda una se\u00f1al cada segundo. Al mismo tiempo, el receptor mantiene su propio reloj, por lo que puede calcular la distancia entre \u00e9l y los dos sat\u00e9lites determinando la hora de llegada de la se\u00f1al.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f828b50 elementor-widget elementor-widget-image\" data-id=\"f828b50\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"1024\" height=\"643\" src=\"https:\/\/bdpnt.com\/wp-content\/uploads\/2025\/08\/1I35B339-0-1024x643.png\" class=\"attachment-large size-large wp-image-10057\" alt=\"\" srcset=\"https:\/\/bdpnt.com\/wp-content\/uploads\/2025\/08\/1I35B339-0-1024x643.png 1024w, https:\/\/bdpnt.com\/wp-content\/uploads\/2025\/08\/1I35B339-0-300x188.png 300w, https:\/\/bdpnt.com\/wp-content\/uploads\/2025\/08\/1I35B339-0-768x482.png 768w, https:\/\/bdpnt.com\/wp-content\/uploads\/2025\/08\/1I35B339-0-600x377.png 600w, https:\/\/bdpnt.com\/wp-content\/uploads\/2025\/08\/1I35B339-0.png 1080w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-39445b9 elementor-widget elementor-widget-text-editor\" data-id=\"39445b9\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Hay que tener en cuenta que antes hemos supuesto que el receptor tiene su propio reloj preciso. M\u00e1s adelante responderemos con detalle a esta pregunta.<\/p><p>Arriba hemos dibujado un esquema bidimensional. Si en un entorno tridimensional, el n\u00famero correspondiente de sat\u00e9lites debe aumentarse en uno.<\/p><p>Bien, he aqu\u00ed la pregunta, \u00bfes posible precisar nuestra posici\u00f3n conociendo la distancia de dos sat\u00e9lites con respecto a nosotros?<\/p><p>La respuesta es no, porque no sabemos d\u00f3nde est\u00e1n situados los sat\u00e9lites.<\/p><p>01<\/p><p>Efem\u00e9rides y posiciones de los sat\u00e9lites<\/p><p>\u00bfC\u00f3mo puedo localizar un sat\u00e9lite?<\/p><p>Ya en 1617, el gran dios Johannes Kepler fue capaz de localizar la \u00f3rbita de un sat\u00e9lite utilizando siete elementos en un modelo idealizado.<\/p><p>Por supuesto, este modelo idealizado tiene algunas limitaciones: la \u00f3rbita se ci\u00f1e al plano 2D y es siempre el\u00edptica. A continuaci\u00f3n, puedes describir esta \u00f3rbita fija con precisi\u00f3n utilizando los siguientes elementos:<\/p><p>La media de los ejes largo y corto de una elipse (en efecto: el \u00e1rea de la elipse, A).<br \/>Relaci\u00f3n entre los ejes largo y corto de una elipse (e).<br \/>Tres par\u00e1metros que describen la orientaci\u00f3n del plano orbital: la inclinaci\u00f3n (i0), la<br \/>la longitud del nodo ascendente (\u03a90).<br \/>Punto cercano al arco (\u03c9)<br \/>A qu\u00e9 distancia de la elipse se encuentra el sat\u00e9lite en T = 0 (\u00e1ngulo de perihelio medio M0)<br \/>Momento T = 0 (t0e)<br \/>Aunque el modelo de Kepler es bastante perfecto, no basta porque la Tierra en s\u00ed no es una esfera perfecta y el campo gravitatorio no es completamente uniforme. Si se utilizara directamente este modelo, las posiciones de los sat\u00e9lites podr\u00edan ser inexactas en kil\u00f3metros.<\/p><p>Para resolver este problema, los dioses que dise\u00f1aron el GPS en 1970 a\u00f1adieron seis par\u00e1metros m\u00e1s al modelo kepleriano.<\/p><p>La siguiente figura muestra los par\u00e1metros de posicionamiento utilizados por el GPS y el sistema europeo de sat\u00e9lites Galileo:<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e76704d elementor-widget elementor-widget-image\" data-id=\"e76704d\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"1024\" height=\"722\" src=\"https:\/\/bdpnt.com\/wp-content\/uploads\/2025\/08\/1I35CB5-1-1024x722.png\" class=\"attachment-large size-large wp-image-10058\" alt=\"\" srcset=\"https:\/\/bdpnt.com\/wp-content\/uploads\/2025\/08\/1I35CB5-1-1024x722.png 1024w, https:\/\/bdpnt.com\/wp-content\/uploads\/2025\/08\/1I35CB5-1-300x212.png 300w, https:\/\/bdpnt.com\/wp-content\/uploads\/2025\/08\/1I35CB5-1-768x542.png 768w, https:\/\/bdpnt.com\/wp-content\/uploads\/2025\/08\/1I35CB5-1-600x423.png 600w, https:\/\/bdpnt.com\/wp-content\/uploads\/2025\/08\/1I35CB5-1.png 1080w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a645f28 elementor-widget elementor-widget-text-editor\" data-id=\"a645f28\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>No voy a entrar en los detalles de lo que eso significa, as\u00ed que los interesados pueden explorar por su cuenta.<\/p><p>El sistema de sat\u00e9lites BeiDou tambi\u00e9n sigue los par\u00e1metros de posicionamiento por sat\u00e9lite del dise\u00f1o GPS.<\/p><p>Tomando como ejemplo el sat\u00e9lite Beidou con el n\u00famero C06@0, veamos la informaci\u00f3n de la se\u00f1al que proporciona al mundo exterior:<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b48bc3c elementor-widget elementor-widget-image\" data-id=\"b48bc3c\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"401\" src=\"https:\/\/bdpnt.com\/wp-content\/uploads\/2025\/08\/1I35A645-2-1024x401.png\" class=\"attachment-large size-large wp-image-10059\" alt=\"\" srcset=\"https:\/\/bdpnt.com\/wp-content\/uploads\/2025\/08\/1I35A645-2-1024x401.png 1024w, https:\/\/bdpnt.com\/wp-content\/uploads\/2025\/08\/1I35A645-2-300x118.png 300w, https:\/\/bdpnt.com\/wp-content\/uploads\/2025\/08\/1I35A645-2-768x301.png 768w, https:\/\/bdpnt.com\/wp-content\/uploads\/2025\/08\/1I35A645-2-600x235.png 600w, https:\/\/bdpnt.com\/wp-content\/uploads\/2025\/08\/1I35A645-2.png 1080w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-73acfdd elementor-widget elementor-widget-text-editor\" data-id=\"73acfdd\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Si sumamos las posiciones actuales de los sat\u00e9lites y las previsibles despu\u00e9s, generamos una efem\u00e9ride.<\/p><figure><\/figure>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-61bceb1 elementor-widget elementor-widget-image\" data-id=\"61bceb1\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"570\" src=\"https:\/\/bdpnt.com\/wp-content\/uploads\/2025\/08\/1I35632U-3-1024x570.png\" class=\"attachment-large size-large wp-image-10060\" alt=\"\" srcset=\"https:\/\/bdpnt.com\/wp-content\/uploads\/2025\/08\/1I35632U-3-1024x570.png 1024w, https:\/\/bdpnt.com\/wp-content\/uploads\/2025\/08\/1I35632U-3-300x167.png 300w, https:\/\/bdpnt.com\/wp-content\/uploads\/2025\/08\/1I35632U-3-768x427.png 768w, https:\/\/bdpnt.com\/wp-content\/uploads\/2025\/08\/1I35632U-3-600x334.png 600w, https:\/\/bdpnt.com\/wp-content\/uploads\/2025\/08\/1I35632U-3.png 1080w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-53ed407 elementor-widget elementor-widget-text-editor\" data-id=\"53ed407\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Arriba se muestra la carta de efem\u00e9rides del sat\u00e9lite BeiDou para el 24 de junio de 2020.<\/p><p>02<\/p><p>El reloj desconocido<\/p><p>Con la posici\u00f3n del sat\u00e9lite y la distancia al sat\u00e9lite, podemos calcular nuestra posici\u00f3n. Pero aqu\u00ed hay un requisito previo, y es que el reloj del sat\u00e9lite sea preciso y el del receptor tambi\u00e9n.<\/p><p>Se trata de dos cuestiones: la precisi\u00f3n del reloj del sat\u00e9lite y la precisi\u00f3n del reloj del receptor.<\/p><p>Veamos primero la cuesti\u00f3n de la precisi\u00f3n del reloj del receptor.<\/p><p>Si la se\u00f1al viaja a la velocidad de la luz, la distancia de error de un nanosegundo es de 30 cent\u00edmetros.<\/p><p>Mantener un reloj con precisi\u00f3n de nanosegundos es b\u00e1sicamente imposible para los equipos receptores ordinarios, as\u00ed que \u00bfc\u00f3mo pueden los equipos receptores ordinarios tambi\u00e9n ser capaces de localizar con precisi\u00f3n?<\/p><p>La respuesta es a\u00f1adir otro sat\u00e9lite.<\/p><figure><\/figure>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-baead8f elementor-widget elementor-widget-image\" data-id=\"baead8f\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"826\" src=\"https:\/\/bdpnt.com\/wp-content\/uploads\/2025\/08\/1I35C0K-4-1024x826.png\" class=\"attachment-large size-large wp-image-10061\" alt=\"\" srcset=\"https:\/\/bdpnt.com\/wp-content\/uploads\/2025\/08\/1I35C0K-4-1024x826.png 1024w, https:\/\/bdpnt.com\/wp-content\/uploads\/2025\/08\/1I35C0K-4-300x242.png 300w, https:\/\/bdpnt.com\/wp-content\/uploads\/2025\/08\/1I35C0K-4-768x619.png 768w, https:\/\/bdpnt.com\/wp-content\/uploads\/2025\/08\/1I35C0K-4-600x484.png 600w, https:\/\/bdpnt.com\/wp-content\/uploads\/2025\/08\/1I35C0K-4.png 1080w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f358e98 elementor-widget elementor-widget-text-editor\" data-id=\"f358e98\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>El equipo receptor recibe tres se\u00f1ales al mismo tiempo, y las se\u00f1ales al mismo tiempo deben recogerse en el punto donde est\u00e1 la posici\u00f3n real del receptor, entonces el receptor puede corregir el reloj local para que se recojan varias se\u00f1ales de sat\u00e9lite en un punto, realizando as\u00ed la correcci\u00f3n del reloj local y la posici\u00f3n precisa del posicionamiento. Dos p\u00e1jaros de un tiro.<\/p><p>Si es en tres dimensiones, necesitas al menos cuatro sat\u00e9lites.<\/p><p>03<\/p><p>Relojes precisos<\/p><p>Hemos resuelto el problema del receptor, \u00bfc\u00f3mo resolvemos el del emisor?<\/p><p>Cada sat\u00e9lite tambi\u00e9n necesita un reloj preciso para enviar se\u00f1ales.<\/p><p>Sabemos que la hora m\u00e1s precisa del mundo se produce en un entorno de laboratorio, pero los sat\u00e9lites se encuentran en entornos en los que no es posible lograr ese tipo de precisi\u00f3n en un laboratorio.<\/p><p>Podemos controlar los relojes en el aire desde tierra, compararlos con la hora exacta en el entorno del laboratorio y enviar un mensaje de calibraci\u00f3n al sat\u00e9lite.<\/p><p>Hay tres correcciones principales:<\/p><ol><li>Desviaci\u00f3n del reloj af0 nanosegundos<\/li><li>Velocidad de desfase del reloj af1 ns\/seg<\/li><li>Aceleraci\u00f3n del desfase del reloj af2 ns\/seg\/seg<\/li><\/ol><p>Por lo general, el sat\u00e9lite no ajusta su propio reloj tras recibir la informaci\u00f3n de correcci\u00f3n, sino que env\u00eda el elemento de correcci\u00f3n junto con el reloj original al receptor, que lo gestionar\u00e1 por s\u00ed mismo.<\/p><p>Correcci\u00f3n de errores ionosf\u00e9ricos<\/p><p>Bueno, todos los problemas parecen resueltos, pero hay uno m\u00e1s. Es la ionosfera.<\/p><p>La transmisi\u00f3n de la se\u00f1al en la ionosfera se ve afectada, lo que provoca un retraso.<\/p><p>\u00bfC\u00f3mo resolver este problema de retraso de la se\u00f1al?<\/p><p>Esto se debe a que el retardo producido por la ionosfera es proporcional a la frecuencia de la se\u00f1al. Por tanto, podemos utilizar se\u00f1ales de m\u00faltiples frecuencias y obtener as\u00ed el retardo total generado y eliminarlo por la diferencia de tiempos de llegada entre las distintas bandas de frecuencia.<\/p><p>Esto elimina m\u00e1s del 99,9% de los errores introducidos por la atm\u00f3sfera sin necesidad de realizar m\u00e1s modelizaciones.<\/p><p>Como mencionamos anteriormente al presentar el sistema BeiDou, \u00e9ste utiliza tres se\u00f1ales de banda de frecuencia, B1, B2 y B3, y el uso de tres se\u00f1ales de banda de frecuencia puede eliminar mejor el error de la ionosfera.<\/p><p>Se dice que el GPS es de 2 bandas.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div data-particle_enable=\"false\" data-particle-mobile-disabled=\"false\" class=\"elementor-element elementor-element-268d70e e-flex e-con-boxed e-con e-parent\" data-id=\"268d70e\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2e7cc15 elementor-widget elementor-widget-spacer\" data-id=\"2e7cc15\" data-element_type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3f0a346 elementor-widget elementor-widget-post-navigation\" data-id=\"3f0a346\" data-element_type=\"widget\" data-widget_type=\"post-navigation.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-post-navigation\" role=\"navigation\" aria-label=\"Post Navegaci\u00f3n\">\r\n\t\t\t<div class=\"elementor-post-navigation__prev elementor-post-navigation__link\">\r\n\t\t\t\t<a href=\"https:\/\/bdpnt.com\/es\/dia-espacial-chino\/\" rel=\"prev\"><span class=\"post-navigation__arrow-wrapper post-navigation__arrow-prev\"><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-angle-left\" viewbox=\"0 0 256 512\" 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\u00e9xito de Shenzhou 14, China entra en la era de la \"estaci\u00f3n espacial\".<\/span><\/span><span class=\"post-navigation__arrow-wrapper post-navigation__arrow-next\"><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-angle-right\" viewbox=\"0 0 256 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M224.3 273l-136 136c-9.4 9.4-24.6 9.4-33.9 0l-22.6-22.6c-9.4-9.4-9.4-24.6 0-33.9l96.4-96.4-96.4-96.4c-9.4-9.4-9.4-24.6 0-33.9L54.3 103c9.4-9.4 24.6-9.4 33.9 0l136 136c9.5 9.4 9.5 24.6.1 34z\"><\/path><\/svg><span class=\"elementor-screen-only\">Siguiente<\/span><\/span><\/a>\t\t\t<\/div>\r\n\t\t<\/div>\r\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div data-particle_enable=\"false\" data-particle-mobile-disabled=\"false\" class=\"elementor-element elementor-element-7f5c900 e-flex e-con-boxed e-con e-parent\" data-id=\"7f5c900\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e00397b elementor-widget elementor-widget-spacer\" data-id=\"e00397b\" data-element_type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>El servicio de cronometraje del sistema Beidou consiste en difundir la hora est\u00e1ndar china desde el Centro Nacional de Cronometraje de la Academia China de Ciencias a aplicaciones de diversas industrias a trav\u00e9s de servicios por sat\u00e9lite para garantizar la sincronizaci\u00f3n y precisi\u00f3n horarias.<\/p>","protected":false},"author":1,"featured_media":10045,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","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":"","footer-sml-layout":"","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":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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