{"id":5133,"date":"2023-08-25T00:00:00","date_gmt":"2023-08-25T00:00:00","guid":{"rendered":"https:\/\/tech-lib.eu\/tech\/jak-funguje-gps-v-telefonu-a-muze-fungovat-bez-internetu\/"},"modified":"2023-08-25T00:00:00","modified_gmt":"2023-08-25T00:00:00","slug":"jak-funguje-gps-v-telefonu-a-muze-fungovat-bez-internetu","status":"publish","type":"post","link":"https:\/\/tech-lib.eu\/tech\/jak-funguje-gps-v-telefonu-a-muze-fungovat-bez-internetu\/","title":{"rendered":"Jak funguje GPS v telefonu a m\u016f\u017ee fungovat bez internetu?"},"content":{"rendered":"<div class=\"articlecontent\">\n<div class=\"newlinediv\"><\/div>\n<p> GPS (Global Positioning System) se v d\u016fsledku roz\u0161\u00ed\u0159en\u00ed mobiln\u00edch telefon\u016f stal nezbytnou sou\u010d\u00e1st\u00ed na\u0161eho ka\u017edodenn\u00edho \u017eivota. Technologie GPS n\u00e1m poskytuje p\u0159esn\u00e9 informace o poloze, kter\u00e9 m\u016f\u017eeme vyu\u017e\u00edvat k r\u016fzn\u00fdm \u00fa\u010del\u016fm, v\u010detn\u011b navigace po nezn\u00e1m\u00e9m \u00fazem\u00ed a sledov\u00e1n\u00ed na\u0161ich fitness aktivit. Mnoho lid\u00ed v\u0161ak zaj\u00edm\u00e1, jak GPS v telefonu funguje a zda je z\u00e1visl\u00e9 na internetu. V tomto \u010dl\u00e1nku prozkoum\u00e1me vnit\u0159n\u00ed fungov\u00e1n\u00ed GPS v telefonu a odpov\u00edme na n\u011bkter\u00e9 \u010dasto kladen\u00e9 ot\u00e1zky. <\/p>\n<div class=\"newlinediv\"><\/div>\n<p> Syst\u00e9m GPS v mobiln\u00edch za\u0159\u00edzen\u00edch je zalo\u017een na syst\u00e9mu dru\u017eic ob\u00edhaj\u00edc\u00edch kolem Zem\u011b. Tyto dru\u017eice nep\u0159etr\u017eit\u011b vys\u00edlaj\u00ed sign\u00e1ly, kter\u00e9 obsahuj\u00ed jejich p\u0159esnou polohu a okam\u017eik vysl\u00e1n\u00ed sign\u00e1lu. Telefon pou\u017e\u00edv\u00e1 k ur\u010den\u00ed p\u0159esn\u00e9 polohy techniku zn\u00e1mou jako trilaterace, kdy\u017e dostane tyto sign\u00e1ly z r\u016fzn\u00fdch satelit\u016f. <\/p>\n<div class=\"newlinediv\"><\/div>\n<p> Trilaterace je proces \u010dasov\u00e1n\u00ed cesty sign\u00e1lu ze satelit\u016f do telefonu. Telefon m\u016f\u017ee ur\u010dit vzd\u00e1lenost k jednotliv\u00fdm satelit\u016fm na z\u00e1klad\u011b \u010dasu, za kter\u00fd k n\u011bmu sign\u00e1l doraz\u00ed, proto\u017ee sign\u00e1l se \u0161\u00ed\u0159\u00ed rychlost\u00ed sv\u011btla. Kombinac\u00ed t\u011bchto \u00fadaj\u016f o vzd\u00e1lenosti z r\u016fzn\u00fdch satelit\u016f m\u016f\u017ee telefon velmi p\u0159esn\u011b ur\u010dit svou polohu. <\/p>\n<div class=\"newlinediv\"><\/div>\n<p> Stru\u010dn\u00e1 odpov\u011b\u010f na ot\u00e1zku, zda GPS v telefonu funguje bez mobiln\u00ed s\u00edt\u011b nebo p\u0159ipojen\u00ed k internetu, zn\u00ed ano, ale existuj\u00ed ur\u010dit\u00e1 omezen\u00ed. P\u0159esto\u017ee syst\u00e9m GPS nepot\u0159ebuje ke sv\u00e9mu fungov\u00e1n\u00ed p\u0159ipojen\u00ed k internetu, mapy a naviga\u010dn\u00ed \u00fadaje, kter\u00e9 vizu\u00e1ln\u011b zobrazuj\u00ed va\u0161i polohu, ho pot\u0159ebuj\u00ed. Mapy si v\u0161ak m\u016f\u017eete p\u0159edem st\u00e1hnout pro offline pou\u017eit\u00ed pomoc\u00ed r\u016fzn\u00fdch aplikac\u00ed pro chytr\u00e9 telefony, nap\u0159\u00edklad Google Maps. To znamen\u00e1, \u017ee sta\u017een\u00e9 mapy si m\u016f\u017eete prohl\u00ed\u017eet a pou\u017e\u00edvat navigaci GPS i bez p\u0159ipojen\u00ed k internetu. <\/p>\n<div class=\"newlinediv\"><\/div>\n<p> P\u0159esnost GPS v mobiln\u00edm telefonu m\u016f\u017ee ovlivnit n\u011bkolik prom\u011bnn\u00fdch. Za ide\u00e1ln\u00edch podm\u00ednek dosahuj\u00ed chytr\u00e9 telefony obvykle p\u0159esnosti 5 a\u017e 10 metr\u016f. Tuto p\u0159esnost v\u0161ak mohou ovlivnit faktory, jako jsou materi\u00e1ly br\u00e1n\u00edc\u00ed sign\u00e1lu, atmosf\u00e9rick\u00e9 podm\u00ednky a kalibr p\u0159ij\u00edma\u010de GPS v telefonu. Kv\u016fli omezen\u00e9 viditelnosti satelit\u016f v hust\u011b zalesn\u011bn\u00fdch nebo m\u011bstsk\u00fdch oblastech m\u016f\u017ee p\u0159esnost utrp\u011bt. <\/p>\n<div class=\"newlinediv\"><\/div>\n<p> P\u0159i pou\u017e\u00edv\u00e1n\u00ed syst\u00e9mu GPS bez internetu se telefon spol\u00e9h\u00e1 pouze na sign\u00e1ly p\u0159ij\u00edman\u00e9 ze satelit\u016f. Jak ji\u017e bylo vysv\u011btleno, satelity vys\u00edlaj\u00ed sign\u00e1ly, kter\u00e9 obsahuj\u00ed informace o jejich poloze a \u010dase. Syst\u00e9m GPS m\u016f\u017eete pou\u017e\u00edvat i v m\u00edstech bez mobiln\u00edho pokryt\u00ed nebo p\u0159\u00edstupu k internetu, proto\u017ee telefon tyto informace vyu\u017e\u00edv\u00e1 k ur\u010den\u00ed sv\u00e9 polohy. Bez internetu v\u0161ak nebudete m\u00edt p\u0159\u00edstup k aktu\u00e1ln\u00edm dopravn\u00edm informac\u00edm, pokyn\u016fm nebo aktualizac\u00edm map v re\u00e1ln\u00e9m \u010dase. Z\u00e1kladn\u00ed funkce GPS v\u0161ak budou fungovat i nad\u00e1le. <\/p>\n<div class=\"newlinediv\"><\/div>\n<p> Z\u00e1v\u011brem lze \u0159\u00edci, \u017ee trilaterace je technika, kterou telefon GPS pou\u017e\u00edv\u00e1 k z\u00edsk\u00e1n\u00ed p\u0159esn\u00fdch \u00fadaj\u016f o poloze ze s\u00edt\u011b satelit\u016f. Zat\u00edmco mapy a naviga\u010dn\u00ed \u00fadaje vy\u017eaduj\u00ed p\u0159ipojen\u00ed k internetu, samotn\u00e9 za\u0159\u00edzen\u00ed GPS p\u0159ipojen\u00ed k internetu nevy\u017eaduje. N\u011bkter\u00e9 aplikace v\u0161ak umo\u017e\u0148uj\u00ed st\u00e1hnout mapy p\u0159edem pro pou\u017eit\u00ed offline. P\u0159esto\u017ee se p\u0159esnost GPS v mobiln\u00edm telefonu m\u016f\u017ee li\u0161it, obvykle se pohybuje mezi 5 a 10 metry. Syst\u00e9m GPS sice m\u016f\u017ee fungovat bez p\u0159ipojen\u00ed k internetu, ale nebudete m\u00edt p\u0159\u00edstup k pokyn\u016fm nebo aktualizac\u00edm v re\u00e1ln\u00e9m \u010dase. Z\u00e1kladn\u00ed funkce GPS jsou v\u0161ak st\u00e1le p\u0159\u00edtomny, tak\u017ee st\u00e1le m\u016f\u017eete p\u0159esn\u011b ur\u010dit svou polohu.<\/p><\/div>\n<div class=\"questions\">\n<div class=\"questionstitle\">FAQ<\/div>\n<div class=\"question\">\n<div class=\"qtitle\"> Je A-GPS p\u0159esn\u011bj\u0161\u00ed ne\u017e telefon?<\/div>\n<p> A-GPS neboli asistovan\u00e1 GPS je obvykle pova\u017eov\u00e1na za p\u0159esn\u011bj\u0161\u00ed ne\u017e samostatn\u00e1 GPS v telefonu. Aby se zv\u00fd\u0161ila p\u0159esnost a rychlost ur\u010den\u00ed polohy GPS, kombinuje A-GPS sign\u00e1ly GPS s dal\u0161\u00edmi informacemi z mobiln\u00edch s\u00edt\u00ed, jako je poloha v\u011b\u017e\u00ed a intenzita sign\u00e1lu. D\u00edky dodate\u010dn\u00fdm informac\u00edm je dosa\u017eeno vy\u0161\u0161\u00ed p\u0159esnosti a rychlej\u0161\u00edho ur\u010den\u00ed polohy, co\u017e pom\u00e1h\u00e1 kompenzovat slab\u00e9 sign\u00e1ly GPS nebo p\u0159ek\u00e1\u017eky, jako jsou vysok\u00e9 budovy nebo hust\u00e9 list\u00ed. Je d\u016fle\u017eit\u00e9 m\u00edt na pam\u011bti, \u017ee prom\u011bnn\u00e9, jako je s\u00edla sign\u00e1lu a okoln\u00ed podm\u00ednky, mohou m\u00edt st\u00e1le vliv na to, jak p\u0159esn\u00fd je syst\u00e9m A-GPS. <\/p>\n<\/div>\n<div class=\"question\">\n<div class=\"qtitle\"> Vy\u017eaduje GPS kartu SIM?<\/div>\n<p> Ne, pro fungov\u00e1n\u00ed GPS nen\u00ed SIM karta nutn\u00e1. Glob\u00e1ln\u00ed polohov\u00fd syst\u00e9m, n\u011bkdy zn\u00e1m\u00fd jako GPS, je satelitn\u00ed naviga\u010dn\u00ed syst\u00e9m, kter\u00fd nab\u00edz\u00ed \u00fadaje o \u010dase a poloze kdekoli na Zemi. S\u00ed\u0165 satelit\u016f na ob\u011b\u017en\u00e9 dr\u00e1ze Zem\u011b mu poskytuje sign\u00e1ly, kter\u00e9 zachycuje. Pomoc\u00ed t\u011bchto sign\u00e1l\u016f se pak zji\u0161\u0165uje konkr\u00e9tn\u00ed poloha u\u017eivatele. Z\u00e1kladn\u00ed funkce GPS je nez\u00e1visl\u00e1 na SIM kart\u011b nebo p\u0159ipojen\u00ed k internetu, p\u0159esto\u017ee n\u011bkter\u00e1 za\u0159\u00edzen\u00ed s GPS, nap\u0159\u00edklad chytr\u00e9 telefony, mohou vyu\u017e\u00edvat mobiln\u00ed data nebo Wi-Fi ke zv\u00fd\u0161en\u00ed p\u0159esnosti a rychlosti ur\u010den\u00ed polohy pomoc\u00ed GPS. <\/p>\n<\/div>\n<div class=\"question\">\n<div class=\"qtitle\"> Bude m\u016fj telefon GPS fungovat v Evrop\u011b?<\/div>\n<p> Syst\u00e9m GPS va\u0161eho telefonu bude v Evrop\u011b skute\u010dn\u011b fungovat. Pro fungov\u00e1n\u00ed technologie GPS v telefonu nen\u00ed nutn\u00fd p\u0159\u00edstup k internetu. Va\u0161e poloha je ur\u010dena kombinac\u00ed sign\u00e1l\u016f ze satelit\u016f na ob\u011b\u017en\u00e9 dr\u00e1ze. Kdekoli, v\u010detn\u011b Evropy, pokud je v\u00e1\u0161 telefon vybaven p\u0159ij\u00edma\u010dem GPS a pot\u0159ebn\u00fdm softwarem, bude fungovat. Je d\u016fle\u017eit\u00e9 m\u00edt na pam\u011bti, \u017ee pou\u017e\u00edv\u00e1n\u00ed slu\u017eeb GPS m\u016f\u017ee spot\u0159ebov\u00e1vat data, pokud se rozhodnete stahovat mapy nebo pou\u017e\u00edvat jin\u00e9 funkce, kter\u00e9 vy\u017eaduj\u00ed p\u0159ipojen\u00ed online.<\/p>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>GPS (Global Positioning System) se v d\u016fsledku roz\u0161\u00ed\u0159en\u00ed mobiln\u00edch telefon\u016f stal nezbytnou sou\u010d\u00e1st\u00ed na\u0161eho ka\u017edodenn\u00edho \u017eivota. Technologie GPS n\u00e1m poskytuje p\u0159esn\u00e9 informace o poloze, kter\u00e9 m\u016f\u017eeme vyu\u017e\u00edvat k r\u016fzn\u00fdm \u00fa\u010del\u016fm, v\u010detn\u011b navigace po nezn\u00e1m\u00e9m \u00fazem\u00ed a sledov\u00e1n\u00ed na\u0161ich fitness aktivit. Mnoho lid\u00ed v\u0161ak zaj\u00edm\u00e1, jak GPS v telefonu funguje a zda je z\u00e1visl\u00e9 na internetu. &#8230; <a title=\"Jak funguje GPS v telefonu a m\u016f\u017ee fungovat bez internetu?\" class=\"read-more\" href=\"https:\/\/tech-lib.eu\/tech\/jak-funguje-gps-v-telefonu-a-muze-fungovat-bez-internetu\/\" aria-label=\"\u010c\u00edst v\u00edce o Jak funguje GPS v telefonu a m\u016f\u017ee fungovat bez internetu?\">\u010c\u00edst d\u00e1l<\/a><\/p>\n","protected":false},"author":3198,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1956],"tags":[],"class_list":["post-5133","post","type-post","status-publish","format-standard","hentry","category-gps"],"_links":{"self":[{"href":"https:\/\/tech-lib.eu\/tech\/wp-json\/wp\/v2\/posts\/5133","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/tech-lib.eu\/tech\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/tech-lib.eu\/tech\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/tech-lib.eu\/tech\/wp-json\/wp\/v2\/users\/3198"}],"replies":[{"embeddable":true,"href":"https:\/\/tech-lib.eu\/tech\/wp-json\/wp\/v2\/comments?post=5133"}],"version-history":[{"count":0,"href":"https:\/\/tech-lib.eu\/tech\/wp-json\/wp\/v2\/posts\/5133\/revisions"}],"wp:attachment":[{"href":"https:\/\/tech-lib.eu\/tech\/wp-json\/wp\/v2\/media?parent=5133"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/tech-lib.eu\/tech\/wp-json\/wp\/v2\/categories?post=5133"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tech-lib.eu\/tech\/wp-json\/wp\/v2\/tags?post=5133"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}