{"id":5217,"date":"2024-04-07T11:58:56","date_gmt":"2024-04-07T09:58:56","guid":{"rendered":"https:\/\/w2.mwtc.tech\/?post_type=avada_portfolio&#038;p=5217"},"modified":"2024-11-03T18:15:07","modified_gmt":"2024-11-03T17:15:07","slug":"meranie-smerovej-charakteristiky-fm-lucenec","status":"publish","type":"avada_portfolio","link":"https:\/\/www.mwtc.tech\/index.php\/portfolio-items\/meranie-smerovej-charakteristiky-fm-lucenec\/","title":{"rendered":"Meranie smerovej charakteristiky FM &#8211; Lu\u010denec"},"content":{"rendered":"<div class=\"row case_study_col\">\n<div class=\"col-lg-6 col-md-6 col-sm-12 col-cs-12\"><span class=\"shadow_effect effect-apollo case_study_img mbot45\"><img decoding=\"async\" class=\"lazyload zoom_img_effect\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-orig-src=\"http:\/\/www.mwtc.tech\/wp-content\/uploads\/2024\/11\/lucenec-rano.jpg\" alt=\"image\" \/><\/span><\/div>\n<div class=\"col-lg-6 col-md-6 col-sm-12 col-cs-12\"><span class=\"shadow_effect effect-apollo case_study_img mbot45\"><img decoding=\"async\" class=\"lazyload zoom_img_effect\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-orig-src=\"http:\/\/www.mwtc.tech\/wp-content\/uploads\/2024\/11\/pixla-dron3.jpg\" alt=\"image\" \/><\/span><\/div>\n<\/div>\n<ul class=\"project_startlist\">\n<li>\n<h4>Project Starting Date<\/h4>\n<p>03.07.2023<\/li>\n<li>\n<h4>Project End<\/h4>\n<p>01.08.2023<\/li>\n<li>\n<h4>Category<\/h4>\n<p>Research, RF measurement<\/li>\n<\/ul>\n<div class=\"row case_study_col mbot35\">\n<div class=\"col-lg-12 col-md-12 col-sm-12 col-cs-12\">\n<h4 class=\"fnt_28\">Project Description<\/h4>\n<p class=\"line_he4 mbot30\">Prostredn\u00edctvom zariadenia <strong>Pixla 1<\/strong> a kvadrokopt\u00e9ry <strong>DJI Matrice 300<\/strong> bola zmeran\u00e1 vy\u017earovacia charakteristika ant\u00e9nneho syst\u00e9mu (AS) na objekte TWC Blatn\u00fd Vrch. Meranie bolo uskuto\u010dnen\u00e9 na troch frekvenci\u00e1ch vysiela\u010dov, zdru\u017een\u00fdch do AS.<\/p>\n<p class=\"line_he4\">Meranie bolo pomerne komplikovan\u00e9, nako\u013eko stred AS nebol toto\u017en\u00fd so stredom sto\u017eiaru na ktorom bol AS spolu s \u010fal\u0161\u00edmi zariadeniami uchyten\u00fd. V prvom rade bolo potrebn\u00e9 presne zamera\u0165 stred sto\u017eiara a stred AS a na z\u00e1klade t\u00fdchto dvoch \u00fadajov korigova\u0165 letov\u00fd program kvadrokopt\u00e9ry v horizont\u00e1lnej aj vertik\u00e1lnej rovine. Pri vo\u013ebe vzdialenosti kruhov\u00fdch obletov bolo treba vzia\u0165 v \u00favahu viacero faktorov. V prvom rade sa mus\u00ed kvadrokopr\u00e9ra vyhn\u00fa\u0165 pr\u00edpadn\u00fdm prek\u00e1\u017ekam, ktor\u00e9 sa nach\u00e1dzali v bl\u00edzkosti nosn\u00e9ho sto\u017eiara. Vzdialenos\u0165 od centra AS mus\u00ed zapada\u0165 do Franhoufferovej z\u00f3ny \u017eiarenia a na meracie zariadenie Pixla 1 mus\u00ed dopada\u0165 len dopredn\u00e1 vlna (\u017eiadne \/ minim\u00e1lne odrazy). Tieto po\u017eiadavky s\u00fa pomerne striktn\u00e9 a preto vytvoreniu letov\u00e9hu pl\u00e1nu a umiestneniu Pixle 1 bolo potrebn\u00e9 venova\u0165 skoro cel\u00fd de\u0148 pr\u00e1ce. Pr\u00e1cu komplikovala aj pomerne mal\u00e1 v\u00fd\u0161ka Blatn\u00e9ho Vrchu a jeho pomerne ploch\u00fd reli\u00e9f, ktor\u00fd umo\u017e\u0148oval existenciu ne\u017eiaducich odrazov.<\/p>\n<\/div>\n<\/div>\n<div class=\"row case_study_col\">\n<div class=\"col-lg-6 col-md-6 col-sm-12 col-cs-12\">\n<h4 class=\"fnt_28 mbot20\">The Challenge in the design<\/h4>\n<p class=\"line_he4\">Meranie bolo uskuto\u010dnen\u00e9 vo ve\u010dern\u00fdch hodin\u00e1ch 3.7.2023 na vysiela\u010di Blatn\u00fd Vrch pri Lu\u010denci. Boli vykonan\u00e9 tri kruhov\u00e9 oblety ve\u017ee vo vzdialenosti 72m, 90m a 170m. Tak isto aj oto\u010denie kvadrokop\u00e9ry so zariaden\u00edm Pixla 1 okolo svojej osi v geometrickom strede ant\u00e9nneho syst\u00e9mu, vyst\u00fapanie do v\u00fd\u0161ky 130m nad p\u00e4tou sto\u017eiara a klesnutie do 20m v\u00fd\u0161ky nad zemou v troch azimutoch 15\u00b0, 55\u00b0 a 330\u00b0. Azimuty boli zvolen\u00e9 na z\u00e1klade hlavn\u00e9ho vy\u017earovacieho laloku AS a na z\u00e1klade minimaliz\u00e1cie odrazov od zemsk\u00e9ho povrchu.<\/p>\n<p class=\"line_he4\">Merali sa tri\u00a0 vysiela\u010de s RPM 10kW. Zber d\u00e1t bol vykovan\u00fd ka\u017ed\u00fa sekundu, pri\u010dom sa zapisovala poloha zariadenia Pixla 1, tri intenzity elektrickej zlo\u017eky elektromagnetick\u00e9ho po\u013ea a presn\u00fd \u010das merania.<\/p>\n<\/div>\n<div class=\"col-lg-5 col-md-5 col-sm-12 col-cs-12\">\n<div class=\"description_txt\">\n<p class=\"line_he4 mbot45\">Po v\u00fdmene syst\u00e9mu bolo vykonan\u00e9 druh\u00e9 meranie a to 27.07.2023 v rann\u00fdch hodin\u00e1ch. Druh\u00e9 meranie malo potvrdi\u0165 spr\u00e1vnos\u0165 osadenia ant\u00e9n v AS a tvar vy\u017earovac\u00edch charakterist\u00edk zhodn\u00fd ako je tomu v povolen\u00ed Telekomunika\u010dn\u00e9ho \u00faradu pre objekt Blatn\u00fd Vrch. Po vyhodnoten\u00ed \u00fadajov z prv\u00e9ho, druh\u00e9ho merania a povolenia sme zistili dokonal\u00fa zhodu charakteristiky z po\u017eadovanou, pre v\u0161etky meran\u00e9 frekvencie.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"find_landscape_col\">\n<div class=\"row case_study_col landscap_marnone\">\n<div class=\"col-lg-6 col-md-6 col-sm-12 col-cs-12\">\n<p>V\u00fdsledky merania smerovej charakteristiky po \u0161tatistickom spracovan\u00ed.<\/p>\n<ul class=\"case_study_list\">\n<li><i class=\"fa fa-hand-o-right\" aria-hidden=\"true\"><\/i>Dok\u00e1zali sme s\u00fa\u010dasne zmera\u0165 3 smerov\u00e9 charakteristiky<\/li>\n<li><i class=\"fa fa-hand-o-right\" aria-hidden=\"true\"><\/i>Pomerne n\u00e1ro\u010dn\u00e9 spracovanie d\u00e1t &#8211; potrebn\u00fd skript \/ program, ktor\u00fd vyhodnocuje pol\u00e1rny uhol a pomern\u00fa intenzitu elektrick\u00e9ho po\u013ea<\/li>\n<li><i class=\"fa fa-hand-o-right\" aria-hidden=\"true\"><\/i>Nameran\u00e9 smerov\u00e9 charakteristiky maj\u00fa predpokladan\u00fd tvar (z\u00edskan\u00fd z povolenia)<\/li>\n<li><i class=\"fa fa-hand-o-right\" aria-hidden=\"true\"><\/i>Minimalizovali sme vplyv odrazov na presnos\u0165 merania<i class=\"fa fa-hand-o-right\" aria-hidden=\"true\"><\/i><\/li>\n<\/ul>\n<\/div>\n<div class=\"col-lg-6 col-md-6 col-sm-12 col-cs-12 martp\"><span class=\"shadow_effect effect-apollo case_study_img\"><img decoding=\"async\" class=\"lazyload zoom_img_effect\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-orig-src=\"http:\/\/www.mwtc.tech\/wp-content\/uploads\/2024\/11\/lucenec-dva.jpg\" alt=\"image\" \/><\/span><\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Project Starting Date 03.07.2023 Project End 01.08.2023 Category Research, RF measurement Project Description Prostredn\u00edctvom zariadenia Pixla 1 a kvadrokopt\u00e9ry DJI Matrice 300 bola zmeran\u00e1 vy\u017earovacia charakteristika ant\u00e9nneho syst\u00e9mu (AS) na objekte TWC Blatn\u00fd Vrch. Meranie bolo uskuto\u010dnen\u00e9 na troch frekvenci\u00e1ch vysiela\u010dov, zdru\u017een\u00fdch do AS. Meranie bolo pomerne komplikovan\u00e9, nako\u013eko stred AS nebol toto\u017en\u00fd so stredom [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":5374,"menu_order":0,"comment_status":"open","ping_status":"closed","template":"","format":"standard","meta":{"footnotes":""},"portfolio_category":[43],"portfolio_skills":[],"portfolio_tags":[],"class_list":["post-5217","avada_portfolio","type-avada_portfolio","status-publish","format-standard","has-post-thumbnail","hentry","portfolio_category-merania"],"_links":{"self":[{"href":"https:\/\/www.mwtc.tech\/index.php\/wp-json\/wp\/v2\/avada_portfolio\/5217","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.mwtc.tech\/index.php\/wp-json\/wp\/v2\/avada_portfolio"}],"about":[{"href":"https:\/\/www.mwtc.tech\/index.php\/wp-json\/wp\/v2\/types\/avada_portfolio"}],"author":[{"embeddable":true,"href":"https:\/\/www.mwtc.tech\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.mwtc.tech\/index.php\/wp-json\/wp\/v2\/comments?post=5217"}],"version-history":[{"count":5,"href":"https:\/\/www.mwtc.tech\/index.php\/wp-json\/wp\/v2\/avada_portfolio\/5217\/revisions"}],"predecessor-version":[{"id":5627,"href":"https:\/\/www.mwtc.tech\/index.php\/wp-json\/wp\/v2\/avada_portfolio\/5217\/revisions\/5627"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.mwtc.tech\/index.php\/wp-json\/wp\/v2\/media\/5374"}],"wp:attachment":[{"href":"https:\/\/www.mwtc.tech\/index.php\/wp-json\/wp\/v2\/media?parent=5217"}],"wp:term":[{"taxonomy":"portfolio_category","embeddable":true,"href":"https:\/\/www.mwtc.tech\/index.php\/wp-json\/wp\/v2\/portfolio_category?post=5217"},{"taxonomy":"portfolio_skills","embeddable":true,"href":"https:\/\/www.mwtc.tech\/index.php\/wp-json\/wp\/v2\/portfolio_skills?post=5217"},{"taxonomy":"portfolio_tags","embeddable":true,"href":"https:\/\/www.mwtc.tech\/index.php\/wp-json\/wp\/v2\/portfolio_tags?post=5217"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}