{"id":2600,"date":"2014-09-09T07:05:14","date_gmt":"2014-09-09T07:05:14","guid":{"rendered":"http:\/\/demo.highthemes.com\/smartscreen\/?page_id=2600"},"modified":"2025-03-24T11:01:16","modified_gmt":"2025-03-24T10:01:16","slug":"radar","status":"publish","type":"page","link":"https:\/\/bezpokut.sk\/index.php\/meranie\/radar\/","title":{"rendered":"RADAR"},"content":{"rendered":"

RADAR je najpou\u017e\u00edvanej\u0161\u00edm a najspo\u013eahlivej\u0161\u00edm zariaden\u00edm,\u00a0ktor\u00fdm pol\u00edcia\u00a0meria r\u00fdchlos\u0165. Funguje tak, \u017ee vysiela elektromagnetick\u00e9 \u017eiarenie, ktor\u00e9 sa n\u00e1sledne odr\u00e1\u017ea od karos\u00e9rie vozidla sp\u00e4\u0165 mera\u010du. Vyu\u017e\u00edva Dopplerov jav, teda zmenu frekvencie odrazen\u00fdch elektromagnetick\u00fdch v\u013an sp\u00f4soben\u00fa pohybom vozidla vzh\u013eadom na radar. Na z\u00e1klade tejto zmeny frekvencie n\u00e1sledne vypo\u010d\u00edta r\u00fdchlos\u0165 vozidla.<\/p>\n

\"\"Ako v ka\u017edej inej oblasti aj u radarov m\u00f4\u017eeme v posledn\u00fdch rokoch vidie\u0165 technologick\u00fd pokrok. Modern\u00e9 radarov\u00e9 mera\u010de s\u00fa schopn\u00e9 okrem r\u00fdchlosti mera\u0165 aj vzdialenos\u0165 a uhol k sledovan\u00e9mu vozidlu v\u010faka \u010domu s\u00fa schopn\u00e9 identifikova\u0165 jazdn\u00fd pruh a presn\u00fa polohu vozidla na ceste. Z\u00e1rove\u0148 s\u00fa schopn\u00e9 kontrolova\u0165 naraz viac pruhov a sledova\u0165 z\u00e1rove\u0148 viacero vozidiel (typicky a\u017e 32 vozidiel). Okrem toho maj\u00fa schopnos\u0165 kontrolova\u0165 aj in\u00e9 druhy poru\u0161en\u00ed pravidiel ako napr\u00edklad neopr\u00e1vnen\u00e9 pou\u017eitie jazdn\u00fdch pruhov, jazdu v protismere alebo dokonca mera\u0165 rozostupy medzi vozidlami.<\/p>\n

Radary pracuj\u00fa v r\u00f4znych p\u00e1smach. V s\u00fa\u010dasnosti sa v Eur\u00f3pe pou\u017e\u00edvaj\u00fa: K-band, Ka-band a v malej miere je mo\u017en\u00e9 stretn\u00fa\u0165 sa aj so star\u00fdmi radarmi v X-band preto je d\u00f4le\u017eit\u00e9 pred vycestovan\u00edm do zahrani\u010dia zapn\u00fa\u0165 detekciu vo v\u0161etk\u00fdch p\u00e1smach, ktor\u00e9 sa v danej krajine pou\u017e\u00edvaj\u00fa. Naj\u010dastej\u0161ie pou\u017e\u00edvan\u00fdmi s\u00fa v\u0161ak K a Ka p\u00e1sma. Ka p\u00e1smo je pou\u017e\u00edvan\u00e9 prakticky len r\u00fdchlostn\u00fdmi radarmi a falo\u0161n\u00e9 poplachy s\u00fa pomerne zriedkav\u00e9. K p\u00e1smo pou\u017e\u00edvaj\u00fa napr\u00edklad aj zariadenia na automatick\u00e9 otv\u00e1ranie dver\u00ed na benz\u00ednov\u00fdch pump\u00e1ch, bank\u00e1ch, obchodoch a pod. To je d\u00f4vodom pomerne vysok\u00e9ho po\u010dtu falo\u0161n\u00fdch poplachov v K p\u00e1sme predov\u0161etk\u00fdm v mest\u00e1ch. Samozrejme to plat\u00ed len ke\u010f je detekcia K p\u00e1sma v detektore zapnut\u00e1. Falo\u0161n\u00e9 poplachy v X p\u00e1sme sp\u00f4sobuj\u00fa preva\u017ene mikrovlnn\u00e9 poj\u00edtka.<\/p>\n

V tejto s\u00favislosti je v\u0161ak potrebn\u00e9 spomen\u00fa\u0165, \u017ee aj ke\u010f prakticky v\u0161etky nov\u00e9 3D radary pracuj\u00fa v K p\u00e1sme je v\u010faka pou\u017eitiu \u0161pecifickej modul\u00e1cie mo\u017en\u00e9 \u00faplne eliminova\u0165 falo\u0161n\u00e9 poplachy v tomto p\u00e1sme. Vo v\u00fdsledku to teda znamen\u00e1, \u017ee detector reaguje iba na skuto\u010dn\u00fd radarov\u00fd r\u00fdchlomer a nie na in\u00e9 zdroje sign\u00e1lu v tomto p\u00e1sme. \u010ci\u017ee v oblastiach v ktor\u00fdch sa nepou\u017e\u00edvaj\u00fa K p\u00e1smov\u00e9 radary starej gener\u00e1cie s\u00fa falo\u0161n\u00e9 poplachy v K p\u00e1sme prakticky \u00faplne potla\u010den\u00e9.<\/p>\n

\"\"Existuj\u00fa dve technol\u00f3gie \u010di\u00a0m\u00f3dy\u00a0ktor\u00e9 radary pou\u017e\u00edvaj\u00fa: constant ON a instant ON. Constant ON radar vy\u017earuje elektormagnetick\u00e9 \u017eiarenie nepretr\u017eite po\u010das celej doby, kedy je akt\u00edvny a to bez oh\u013eadu na to, \u010di v danom okamihu prebieha meranie r\u00fdchlosti nejak\u00e9ho vozidla\u00a0alebo nie. Radar\u00a0\u010dak\u00e1\u00a0k\u00fdm sa do meracej z\u00f3ny dostane nejak\u00e9 vozidlo a n\u00e1sledne mu\u00a0automaticky bez priameho z\u00e1sahu obsluhy zmeria r\u00fdchlos\u0165.\u00a0Instant ON radar funguje tak, \u017ee obsluha si\u00a0vyberie vozidlo, ktor\u00e9mu chce zmera\u0165 r\u00fdchlos\u0165\u00a0a stla\u010d\u00ed sp\u00fa\u0161\u0165.\u00a0Niektor\u00e9 instant ON radary maj\u00fa tvar pi\u0161tole\u00a0a v tomto pr\u00edpade mus\u00ed oper\u00e1tor najsk\u00f4r namieri\u0165 radar na meran\u00e9 vozidlo.\u00a0Radar za\u010dne vysiela\u0165 elektormagnetick\u00e9 \u017eiarenie a\u017e po stla\u010den\u00ed sp\u00fa\u0161te.\u00a0Z logiky veci vypl\u00fdva, \u017ee detekcia radarov pou\u017e\u00edvaj\u00facich\u00a0instant\u00a0ON technol\u00f3giu je zlo\u017eitej\u0161ia, preto\u017ee ke\u010f radar ni\u010d nevysiela nie je mo\u017en\u00e9 ho ani detekova\u0165. V krajin\u00e1ch\u00a0v ktor\u00fdch\u00a0pol\u00edcia pou\u017e\u00edva instant ON radary sa doporu\u010duje v\u017edy, ke\u010f je to mo\u017en\u00e9 jazdi\u0165 v bezpe\u010dnej vzdialenosti v z\u00e1vese\u00a0za in\u00fdm vozidlom. Ak obsluha zmeria r\u00fdchlos\u0165 tomuto vozidlu detektor V\u00e1s upozorn\u00ed a Vy m\u00e1te n\u00e1sledne \u010das spomali\u0165 predt\u00fdm ne\u017e zmeraj\u00fa V\u00e1s. Na Slovensku sa pou\u017e\u00edvaj\u00fa v\u00fdhradne constant ON radary. Z okolit\u00fdch kraj\u00edn sa instant ON radary pou\u017e\u00edvaj\u00fa v Po\u013esku a na Ukrajine.<\/p>\n

V Slovenskej Republike pou\u017e\u00edva pol\u00edcia radary \u010desk\u00e9ho v\u00fdrobcu Ramet Kunovice \u2013 konkr\u00e9tne rady Ramer 7, AD9 a Ramer 10 v r\u00f4znych modifik\u00e1ci\u00e1ch. Tieto radary pracuj\u00fa v Ka p\u00e1sme na frekvenci\u00e1ch 34.0GHz [alebo mimo SR aj 34.3GHz]. Okrem toho na\u0161a pol\u00edcia pou\u017e\u00edva aj radary MultaRadar CD nemeck\u00e9ho v\u00fdrobcu Jenoptik Robot\u00a0pracuj\u00face v K-p\u00e1sme, 24.100GHz, rozsah merania r\u00fdchlosti je 10km\/h – 300km\/h, ktor\u00fdch detekcia je skuto\u010dne obtia\u017ena.<\/p>\n","protected":false},"excerpt":{"rendered":"

RADAR je najpou\u017e\u00edvanej\u0161\u00edm a najspo\u013eahlivej\u0161\u00edm zariaden\u00edm,\u00a0ktor\u00fdm pol\u00edcia\u00a0meria r\u00fdchlos\u0165. Funguje tak, \u017ee vysiela elektromagnetick\u00e9 \u017eiarenie, ktor\u00e9 sa n\u00e1sledne odr\u00e1\u017ea od karos\u00e9rie vozidla sp\u00e4\u0165 mera\u010du. Vyu\u017e\u00edva Dopplerov jav, teda zmenu frekvencie odrazen\u00fdch elektromagnetick\u00fdch v\u013an sp\u00f4soben\u00fa pohybom vozidla vzh\u013eadom na radar. Na z\u00e1klade tejto zmeny frekvencie n\u00e1sledne vypo\u010d\u00edta r\u00fdchlos\u0165 vozidla. Ako v ka\u017edej inej oblasti aj u radarov …<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":39,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-2600","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/bezpokut.sk\/index.php\/wp-json\/wp\/v2\/pages\/2600","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/bezpokut.sk\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/bezpokut.sk\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/bezpokut.sk\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/bezpokut.sk\/index.php\/wp-json\/wp\/v2\/comments?post=2600"}],"version-history":[{"count":15,"href":"https:\/\/bezpokut.sk\/index.php\/wp-json\/wp\/v2\/pages\/2600\/revisions"}],"predecessor-version":[{"id":2938,"href":"https:\/\/bezpokut.sk\/index.php\/wp-json\/wp\/v2\/pages\/2600\/revisions\/2938"}],"up":[{"embeddable":true,"href":"https:\/\/bezpokut.sk\/index.php\/wp-json\/wp\/v2\/pages\/39"}],"wp:attachment":[{"href":"https:\/\/bezpokut.sk\/index.php\/wp-json\/wp\/v2\/media?parent=2600"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}