{"id":7118,"date":"2023-08-25T00:00:00","date_gmt":"2023-08-25T00:00:00","guid":{"rendered":"https:\/\/tech-lib.eu\/tech\/jak-vybrat-venkovni-televizni-antenu-komplexni-pruvodce\/"},"modified":"2023-08-25T00:00:00","modified_gmt":"2023-08-25T00:00:00","slug":"jak-vybrat-venkovni-televizni-antenu-komplexni-pruvodce","status":"publish","type":"post","link":"https:\/\/tech-lib.eu\/tech\/jak-vybrat-venkovni-televizni-antenu-komplexni-pruvodce\/","title":{"rendered":"Jak vybrat venkovn\u00ed televizn\u00ed ant\u00e9nu. Komplexn\u00ed pr\u016fvodce"},"content":{"rendered":"
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Venkovn\u00ed televizn\u00ed ant\u00e9na m\u016f\u017ee m\u00edt z\u00e1sadn\u00ed vliv na p\u0159\u00edjem kvalitn\u00edho televizn\u00edho sign\u00e1lu, zejm\u00e9na v m\u00edstech se slab\u0161\u00edm sign\u00e1lem. Vzhledem k velk\u00e9mu mno\u017estv\u00ed alternativ na trhu v\u0161ak m\u016f\u017ee b\u00fdt v\u00fdb\u011br nejlep\u0161\u00ed venkovn\u00ed televizn\u00ed ant\u00e9ny obt\u00ed\u017en\u00fdm \u00fakolem. Tento \u010dl\u00e1nek se v\u00e1m pokus\u00ed poskytnout d\u016fkladn\u00fd p\u0159ehled procesu v\u00fdb\u011bru ide\u00e1ln\u00ed venkovn\u00ed televizn\u00ed ant\u00e9ny, kter\u00e1 bude vyhovovat va\u0161im individu\u00e1ln\u00edm po\u017eadavk\u016fm. <\/p>\n

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Jak\u00fd druh venkovn\u00ed ant\u00e9ny pot\u0159ebuji jako prvn\u00ed? <\/p>\n

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Geografick\u00e9 podm\u00ednky va\u0161\u00ed lokality a vzd\u00e1lenost od televizn\u00edch vys\u00edlac\u00edch v\u011b\u017e\u00ed ur\u010d\u00ed, jak\u00fd druh venkovn\u00ed ant\u00e9ny budete pot\u0159ebovat. Venkovn\u00ed ant\u00e9ny se d\u011bl\u00ed do dvou z\u00e1kladn\u00edch kategori\u00ed: sm\u011brov\u00e9 a v\u0161esm\u011brov\u00e9. Sm\u011brov\u00e9 ant\u00e9ny se nejl\u00e9pe pou\u017e\u00edvaj\u00ed v m\u00edstech vzd\u00e1len\u00fdch od vys\u00edlac\u00edch v\u011b\u017e\u00ed nebo tam, kde je mnoho p\u0159ek\u00e1\u017eek. Tyto ant\u00e9ny jsou konstruov\u00e1ny tak, aby soust\u0159edily sign\u00e1l v ur\u010dit\u00e9m sm\u011bru, co\u017e umo\u017e\u0148uje lep\u0161\u00ed p\u0159\u00edjem z ur\u010dit\u00e9 v\u011b\u017ee. Sm\u011brov\u00e1 ant\u00e9na se doporu\u010duje, pokud bydl\u00edte na venkov\u011b nebo jste obklopeni v\u011b\u017eovit\u00fdmi stavbami. <\/p>\n

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– V\u0161esm\u011brov\u00e9 ant\u00e9ny funguj\u00ed dob\u0159e v oblastech s mal\u00fdmi p\u0159ek\u00e1\u017ekami v bl\u00edzkosti vys\u00edlac\u00edch v\u011b\u017e\u00ed. Tyto ant\u00e9ny jsou ide\u00e1ln\u00ed pro m\u011bstsk\u00e9 nebo p\u0159\u00edm\u011bstsk\u00e9 oblasti, proto\u017ee p\u0159ij\u00edmaj\u00ed sign\u00e1l ze v\u0161ech sm\u011br\u016f. V\u0161esm\u011brov\u00e1 ant\u00e9na v\u00e1m zaru\u010d\u00ed p\u0159\u00edjem sign\u00e1lu ze v\u0161ech sm\u011br\u016f, pokud je v bl\u00edzkosti n\u011bkolik televizn\u00edch v\u011b\u017e\u00ed. 2. Jak zjist\u00edm, jakou televizn\u00ed ant\u00e9nu pot\u0159ebuji? P\u0159i v\u00fdpo\u010dtu po\u017eadovan\u00e9 televizn\u00ed ant\u00e9ny vezm\u011bte v \u00favahu n\u00e1sleduj\u00edc\u00ed prvky: <\/p>\n

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– V\u00fdkon sign\u00e1lu: Pomoc\u00ed internetov\u00fdch n\u00e1stroj\u016f nebo mobiln\u00edch aplikac\u00ed zkontrolujte s\u00edlu sign\u00e1lu ve va\u0161\u00ed oblasti. To v\u00e1m umo\u017en\u00ed rozhodnout, zda pot\u0159ebujete b\u011b\u017enou ant\u00e9nu pro lep\u0161\u00ed sign\u00e1l, nebo ant\u00e9nu s vysok\u00fdm ziskem pro slab\u0161\u00ed sign\u00e1l. Seznam kan\u00e1l\u016f, kter\u00e9 chcete sledovat, ze seznamu dostupn\u00fdch kan\u00e1l\u016f. Ujist\u011bte se, \u017ee vybran\u00e1 ant\u00e9na je kompatibiln\u00ed se stanicemi, kter\u00e9 chcete sledovat, proto\u017ee r\u016fzn\u00e9 ant\u00e9ny maj\u00ed r\u016fzn\u00e9 mo\u017enosti p\u0159\u00edjmu. Um\u00edst\u011bn\u00ed: Zkontrolujte, zda je ant\u00e9na um\u00edst\u011bn\u00e1 v m\u00edst\u011b, kde se nach\u00e1z\u00ed: Vezm\u011bte v \u00favahu, jak daleko jsou televizn\u00ed vys\u00edlac\u00ed v\u011b\u017ee od va\u0161eho domu. V\u00fdkonn\u011bj\u0161\u00ed ant\u00e9na s vysok\u00fdm ziskem, kterou m\u016f\u017eete pot\u0159ebovat, bude z\u00e1viset na tom, jak daleko se nach\u00e1z\u00edte. Zva\u017ete tak\u00e9 topografii v oblasti, zejm\u00e9na p\u0159\u00edpadn\u00e9 kopce nebo velk\u00e9 stavby, kter\u00e9 mohou blokovat sign\u00e1l. 3. Jak\u00e1 v\u00fd\u0161ka je ide\u00e1ln\u00ed pro venkovn\u00ed televizn\u00ed ant\u00e9nu? V\u00fdkon va\u0161\u00ed venkovn\u00ed televizn\u00ed ant\u00e9ny zna\u010dn\u011b z\u00e1vis\u00ed na tom, jak vysoko ji um\u00edst\u00edte. V ide\u00e1ln\u00edm p\u0159\u00edpad\u011b by se p\u0159\u00edjem zlep\u0161il zv\u00fd\u0161en\u00edm ant\u00e9ny. Je v\u0161ak t\u0159eba vz\u00edt v \u00favahu n\u011bkolik v\u011bc\u00ed: <\/p>\n

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– Region\u00e1ln\u00ed z\u00e1kony: Pokud existuj\u00ed n\u011bjak\u00e1 omezen\u00ed t\u00fdkaj\u00edc\u00ed se v\u00fd\u0161ky ant\u00e9ny, zkontrolujte m\u00edstn\u00ed vyhl\u00e1\u0161ky nebo sdru\u017een\u00ed vlastn\u00edk\u016f dom\u016f. Na n\u011bkter\u00fdch m\u00edstech je v\u00fd\u0161ka extern\u00edch ant\u00e9n omezena m\u00edstn\u00edmi vyhl\u00e1\u0161kami. Ujist\u011bte se, \u017ee va\u0161e ant\u00e9na m\u00e1 p\u0159\u00edmou viditelnost na televizn\u00ed vys\u00edlac\u00ed v\u011b\u017ee. <\/p>\n

– P\u0159\u00edm\u00e1 viditelnost. P\u0159\u00edjem se m\u016f\u017ee zlep\u0161it um\u00edst\u011bn\u00edm ant\u00e9ny v\u00fd\u0161e, pokud existuj\u00ed p\u0159ek\u00e1\u017eky, jako jsou stromy nebo budovy. <\/div>\n

– Zohledn\u011bte v\u00fd\u0161ku sto\u017e\u00e1ru: V\u00fd\u0161ka sto\u017e\u00e1ru by se m\u011bla po\u010d\u00edtat od spodn\u00ed \u010d\u00e1sti po vrchol ant\u00e9ny. Odborn\u00edci doporu\u010duj\u00ed minim\u00e1ln\u00ed v\u00fd\u0161ku 30 stop nad zem\u00ed pro nejlep\u0161\u00ed p\u0159\u00edjem. V z\u00e1vislosti na topografii a va\u0161\u00ed konkr\u00e9tn\u00ed lokalit\u011b se v\u0161ak tato hodnota m\u016f\u017ee zm\u011bnit. Je vhodn\u011bj\u0161\u00ed v\u011bt\u0161\u00ed venkovn\u00ed ant\u00e9na? <\/p>\n

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V\u00fdkon venkovn\u00ed televizn\u00ed ant\u00e9ny se ne v\u017edy \u0159\u00edd\u00ed jej\u00ed velikost\u00ed. Rozhoduj\u00edc\u00ed je konstrukce a parametry ant\u00e9ny, zejm\u00e9na jej\u00ed zisk a sm\u011brovost. I kdy\u017e v\u011bt\u0161\u00ed ant\u00e9na m\u016f\u017ee m\u00edt vy\u0161\u0161\u00ed zisk, nemus\u00ed b\u00fdt v\u017edy nutn\u00e1 nebo vhodn\u00e1 pro va\u0161i lokalitu. <\/p>\n

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Sp\u00ed\u0161e ne\u017e na pouhou velikost se zam\u011b\u0159te na d\u0159\u00edve zm\u00edn\u011bn\u00e9 prvky, jako je s\u00edla sign\u00e1lu, vzd\u00e1lenost od v\u011b\u017e\u00ed a topografie. Vyberte si ant\u00e9nu, a\u0165 u\u017e se jedn\u00e1 o kompaktn\u00ed nebo v\u011bt\u0161\u00ed model, kter\u00fd vyhovuje va\u0161im individu\u00e1ln\u00edm pot\u0159eb\u00e1m. <\/p>\n

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Z\u00e1v\u011brem lze \u0159\u00edci, \u017ee p\u0159i v\u00fdb\u011bru ide\u00e1ln\u00ed venkovn\u00ed televizn\u00ed ant\u00e9ny je t\u0159eba vz\u00edt v \u00favahu prom\u011bnn\u00e9 v\u010detn\u011b kvality sign\u00e1lu, um\u00edst\u011bn\u00ed a po\u017eadovan\u00fdch kan\u00e1l\u016f. Pro dosa\u017een\u00ed optim\u00e1ln\u00edho p\u0159\u00edjmu je d\u016fle\u017eit\u00e9 zn\u00e1t r\u016fzn\u00e9 typy ant\u00e9n, jejich funkce a ide\u00e1ln\u00ed v\u00fd\u0161ku instalace. Ide\u00e1ln\u00ed venkovn\u00ed televizn\u00ed ant\u00e9nu pro neru\u0161en\u00e9 sledov\u00e1n\u00ed televize s vysok\u00fdm rozli\u0161en\u00edm si m\u016f\u017eete vybrat, pokud zohledn\u00edte tyto aspekty a v p\u0159\u00edpad\u011b pot\u0159eby se porad\u00edte s odborn\u00edky.<\/p><\/div>\n

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FAQ<\/div>\n
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M\u011bla by b\u00fdt televizn\u00ed ant\u00e9na vertik\u00e1ln\u00ed nebo horizont\u00e1ln\u00ed?<\/div>\n

Poloha vys\u00edlac\u00edch v\u011b\u017e\u00ed, typ vys\u00edlan\u00e9ho sign\u00e1lu a konstrukce ant\u00e9ny jsou jen n\u011bkter\u00e9 z prom\u011bnn\u00fdch, kter\u00e9 ovliv\u0148uj\u00ed orientaci televizn\u00ed ant\u00e9ny, kter\u00e1 m\u016f\u017ee b\u00fdt bu\u010f vertik\u00e1ln\u00ed, nebo horizont\u00e1ln\u00ed. Vzhledem k tomu, \u017ee polarizace televizn\u00edch sign\u00e1l\u016f vys\u00edlan\u00fdch vys\u00edlac\u00edmi v\u011b\u017eemi je v souladu s t\u00edm, v\u011bt\u0161ina televizn\u00edch ant\u00e9n se obvykle vyr\u00e1b\u00ed tak, aby byly namontov\u00e1ny vertik\u00e1ln\u011b. <\/p>\n

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Za jin\u00fdch okolnost\u00ed v\u0161ak m\u016f\u017ee b\u00fdt \u017e\u00e1douc\u00ed horizont\u00e1ln\u00ed orientace. Nap\u0159\u00edklad pokud je ant\u00e9na vyrobena v\u00fdslovn\u011b pro horizont\u00e1ln\u00ed polarizaci nebo pokud jsou vys\u00edlac\u00ed v\u011b\u017ee ve va\u0161\u00ed oblasti polarizov\u00e1ny horizont\u00e1ln\u011b. Ide\u00e1ln\u00ed orientaci je t\u0159eba ur\u010dit podle pokyn\u016f nebo specifikac\u00ed v\u00fdrobce konkr\u00e9tn\u00ed ant\u00e9ny, kterou pou\u017e\u00edv\u00e1te. <\/p>\n

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Nav\u00edc na orientaci nemus\u00ed tolik z\u00e1le\u017eet, pokud pou\u017e\u00edv\u00e1te v\u0161esm\u011brovou ant\u00e9nu, kter\u00e1 m\u016f\u017ee p\u0159ij\u00edmat sign\u00e1ly z v\u00edce sm\u011br\u016f. Chcete-li ur\u010dit polohu, kter\u00e1 bude za t\u011bchto okolnost\u00ed p\u0159ij\u00edmat sign\u00e1ly nejl\u00e9pe, mo\u017en\u00e1 budete muset vyzkou\u0161et vertik\u00e1ln\u00ed i horizont\u00e1ln\u00ed orientaci. <\/p>\n

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Nakonec doporu\u010dujeme prov\u00e9st dal\u0161\u00ed studium p\u0159esn\u00fdch pot\u0159eb a n\u00e1vrh\u016f pro va\u0161i televizn\u00ed ant\u00e9nu na z\u00e1klad\u011b v\u00fd\u0161e uveden\u00fdch prvk\u016f, jako\u017e i dal\u0161\u00edch rad nab\u00edzen\u00fdch v\u00fdrobcem nebo kvalifikovan\u00fdm instalat\u00e9rem. <\/p>\n<\/div>\n

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Jak\u00e9 jsou dva typy venkovn\u00edch ant\u00e9n?<\/div>\n

Sm\u011brov\u00e9 ant\u00e9ny a v\u0161esm\u011brov\u00e9 ant\u00e9ny jsou dva typy venkovn\u00edch ant\u00e9n, kter\u00e9 se \u010dasto pou\u017e\u00edvaj\u00ed.<\/p>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

Venkovn\u00ed televizn\u00ed ant\u00e9na m\u016f\u017ee m\u00edt z\u00e1sadn\u00ed vliv na p\u0159\u00edjem kvalitn\u00edho televizn\u00edho sign\u00e1lu, zejm\u00e9na v m\u00edstech se slab\u0161\u00edm sign\u00e1lem. Vzhledem k velk\u00e9mu mno\u017estv\u00ed alternativ na trhu v\u0161ak m\u016f\u017ee b\u00fdt v\u00fdb\u011br nejlep\u0161\u00ed venkovn\u00ed televizn\u00ed ant\u00e9ny obt\u00ed\u017en\u00fdm \u00fakolem. Tento \u010dl\u00e1nek se v\u00e1m pokus\u00ed poskytnout d\u016fkladn\u00fd p\u0159ehled procesu v\u00fdb\u011bru ide\u00e1ln\u00ed venkovn\u00ed televizn\u00ed ant\u00e9ny, kter\u00e1 bude vyhovovat va\u0161im individu\u00e1ln\u00edm po\u017eadavk\u016fm. … \u010c\u00edst d\u00e1l<\/a><\/p>\n","protected":false},"author":3751,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[225],"tags":[],"class_list":["post-7118","post","type-post","status-publish","format-standard","hentry","category-electronics"],"_links":{"self":[{"href":"https:\/\/tech-lib.eu\/tech\/wp-json\/wp\/v2\/posts\/7118","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\/3751"}],"replies":[{"embeddable":true,"href":"https:\/\/tech-lib.eu\/tech\/wp-json\/wp\/v2\/comments?post=7118"}],"version-history":[{"count":0,"href":"https:\/\/tech-lib.eu\/tech\/wp-json\/wp\/v2\/posts\/7118\/revisions"}],"wp:attachment":[{"href":"https:\/\/tech-lib.eu\/tech\/wp-json\/wp\/v2\/media?parent=7118"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/tech-lib.eu\/tech\/wp-json\/wp\/v2\/categories?post=7118"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tech-lib.eu\/tech\/wp-json\/wp\/v2\/tags?post=7118"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}