{"id":37,"date":"2016-07-23T23:18:33","date_gmt":"2016-07-23T21:18:33","guid":{"rendered":"http:\/\/festival-nauke.me\/2009\/?p=37"},"modified":"2016-07-23T23:19:15","modified_gmt":"2016-07-23T21:19:15","slug":"virtuelni-instrument-za-mjerenje-i-prikaz-ecg-i-ppg-signala","status":"publish","type":"post","link":"https:\/\/festival-nauke.me\/2009\/2016\/07\/23\/virtuelni-instrument-za-mjerenje-i-prikaz-ecg-i-ppg-signala\/","title":{"rendered":"Virtuelni instrument za mjerenje i prikaz ECG i PPG signala"},"content":{"rendered":"<p>Jednostavni virtuelni instrument za mjerenje ECG (elektrokardiografskog) i PPG (foto-pleo-tismo-grafskog) signala. Oba su zna\u010dajna za provjeru \u010dovje\u010dijeg zdravlja (srca, krvnog pritiska, stresa). Instrument se sastoji od hardverskog i softverskog dijela, a projektovan je u Laboratoriji za Elektroniku Elektrotehni\u010dkog fakulteta u Podgorici. Hardveru pripadaju: ECG i PPG senzori, poja\u010dava\u010di (ozna\u010deni kao AMP), mikroprocesorsko kolo (ozna\u010deno kao MC) i standardni PC ra\u010dunar. Signal se uzima sa mjernih ta\u010daka pacijenta, naj\u010de\u0161\u0107e sa ruku ili grudnog ko\u0161a, i vrlo je male amplitude (nekoliko mV). Preko odgovaraju\u0107ih poja\u010dava\u010da se poja\u010dava, a zatim digitalizuje pomo\u0107u A-D konvertora ugra\u0111enog u mikrokontroleru. Mikrokontroler, osim digitalizacije, vr\u0161i proslije\u0111ivanje signala putem RS232 serijskog interfejsa prema PC ra\u010dunaru. Softver, baziran na MATLABu, prihvata digitalne podatke i vr\u0161i njihovu obradu \u2013 koja se sastoji od filtriranja, izdvajanja karakteristi\u010dnih segmenata, prikaza, zumiranja, mjerenja odgovaraju\u0107ih amplituda i vremenskih distanci, \u0161tampanja i arhiviranja.<\/p>\n<p>Ure\u0111aj mo\u017ee poslu\u017eiti i kao detektor la\u017ei.<\/p>\n<p><a href=\"https:\/\/festival-nauke.me\/\/2009\/wp-content\/uploads\/sites\/2\/2016\/07\/ekg1.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-38\" src=\"https:\/\/festival-nauke.me\/\/2009\/wp-content\/uploads\/sites\/2\/2016\/07\/ekg1.png\" alt=\"ekg[1]\" width=\"441\" height=\"222\" srcset=\"https:\/\/festival-nauke.me\/2009\/wp-content\/uploads\/sites\/2\/2016\/07\/ekg1.png 441w, https:\/\/festival-nauke.me\/2009\/wp-content\/uploads\/sites\/2\/2016\/07\/ekg1-300x151.png 300w\" sizes=\"auto, (max-width: 441px) 100vw, 441px\" \/><\/a><\/p>\n<p><a href=\"https:\/\/festival-nauke.me\/\/2009\/wp-content\/uploads\/sites\/2\/2016\/07\/ekg21.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-39\" src=\"https:\/\/festival-nauke.me\/\/2009\/wp-content\/uploads\/sites\/2\/2016\/07\/ekg21.png\" alt=\"ekg2[1]\" width=\"423\" height=\"271\" srcset=\"https:\/\/festival-nauke.me\/2009\/wp-content\/uploads\/sites\/2\/2016\/07\/ekg21.png 423w, https:\/\/festival-nauke.me\/2009\/wp-content\/uploads\/sites\/2\/2016\/07\/ekg21-300x192.png 300w, https:\/\/festival-nauke.me\/2009\/wp-content\/uploads\/sites\/2\/2016\/07\/ekg21-836x536.png 836w, https:\/\/festival-nauke.me\/2009\/wp-content\/uploads\/sites\/2\/2016\/07\/ekg21-414x265.png 414w\" sizes=\"auto, (max-width: 423px) 100vw, 423px\" \/><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Jednostavni virtuelni instrument za mjerenje ECG (elektrokardiografskog) i PPG (foto-pleo-tismo-grafskog) signala. Oba su zna\u010dajna za provjeru \u010dovje\u010dijeg zdravlja (srca, krvnog<a class=\"read-more\" href=\"https:\/\/festival-nauke.me\/2009\/2016\/07\/23\/virtuelni-instrument-za-mjerenje-i-prikaz-ecg-i-ppg-signala\/\"> [&#8230;] \u010citaj dalje <i class=\"la la-long-arrow-right\"><\/i><\/a><\/p>\n","protected":false},"author":1,"featured_media":39,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"class_list":["post-37","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-eksperimenti-i-prezentacije"],"_links":{"self":[{"href":"https:\/\/festival-nauke.me\/2009\/wp-json\/wp\/v2\/posts\/37","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/festival-nauke.me\/2009\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/festival-nauke.me\/2009\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/festival-nauke.me\/2009\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/festival-nauke.me\/2009\/wp-json\/wp\/v2\/comments?post=37"}],"version-history":[{"count":0,"href":"https:\/\/festival-nauke.me\/2009\/wp-json\/wp\/v2\/posts\/37\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/festival-nauke.me\/2009\/wp-json\/wp\/v2\/media\/39"}],"wp:attachment":[{"href":"https:\/\/festival-nauke.me\/2009\/wp-json\/wp\/v2\/media?parent=37"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/festival-nauke.me\/2009\/wp-json\/wp\/v2\/categories?post=37"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/festival-nauke.me\/2009\/wp-json\/wp\/v2\/tags?post=37"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}