{"id":7449,"date":"2026-09-03T15:40:59","date_gmt":"2026-09-03T13:40:59","guid":{"rendered":"https:\/\/cleverpoint.pro\/docs\/uncategorized\/metoda-obliczania-koherencji\/"},"modified":"2026-09-03T15:40:59","modified_gmt":"2026-09-03T13:40:59","password":"","slug":"metoda-obliczania-koherencji","status":"publish","type":"docs","link":"https:\/\/cleverpoint.pro\/pl\/docs\/interfejs-koherencja\/metoda-obliczania-koherencji\/","title":{"rendered":"6.3. Metoda obliczania koherencji"},"content":{"rendered":"\n<p><strong>Wz\u00f3r:<\/strong> wykorzystywana jest funkcja <strong>mscohere<\/strong> (kwadrat koherencji):<br><code>[Cxy, F] = mscohere(signal1, signal2, [], [], frequencies, Fs)<\/code><\/p>\n\n\n\n<p><strong>Parametry:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>signal1, signal2:<\/strong> sygna\u0142y z dw\u00f3ch elektrod po przetworzeniu<\/li>\n\n\n\n<li><strong>frequencies:<\/strong> wektor cz\u0119stotliwo\u015bci do oblicze\u0144 (od df do 50 Hz z krokiem df)<\/li>\n\n\n\n<li><strong>Fs:<\/strong> cz\u0119stotliwo\u015b\u0107 pr\u00f3bkowania<\/li>\n<\/ul>\n\n\n\n<p><strong>Definicja matematyczna:<\/strong><br><code>Cxy(f) = |Pxy(f)|^2 \/ (Pxx(f) * Pyy(f))<\/code><\/p>\n\n\n\n<p>gdzie:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Pxy(f):<\/strong> g\u0119sto\u015b\u0107 widmowa mocy wzajemnej<\/li>\n\n\n\n<li><strong>Pxx(f), Pyy(f):<\/strong> g\u0119sto\u015bci widmowe mocy w\u0142asnej<\/li>\n<\/ul>\n\n\n\n<p><strong>Zakres warto\u015bci:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>0 \u2264 Cxy \u2264 1<\/li>\n\n\n\n<li>0: ca\u0142kowity brak koherencji<\/li>\n\n\n\n<li>1: pe\u0142na koherencja<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Wz\u00f3r: wykorzystywana jest funkcja mscohere (kwadrat koherencji):[Cxy, F] = mscohere(signal1, signal2, [], [], frequencies, Fs) Parametry: Definicja matematyczna:Cxy(f) = |Pxy(f)|^2 \/ (Pxx(f) * Pyy(f)) gdzie: Zakres<span class=\"excerpt-hellip\"> [\u2026]<\/span><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","template":"","meta":{"footnotes":""},"doc_category":[1420],"doc_tag":[],"class_list":["post-7449","docs","type-docs","status-publish","hentry","doc_category-interfejs-koherencja"],"year_month":"2026-09","word_count":85,"total_views":"13","reactions":{"happy":"0","normal":"0","sad":"0"},"author_info":{"name":"Vitaly","author_nicename":"vitaly","author_url":"https:\/\/cleverpoint.pro\/pl\/author\/vitaly\/"},"doc_category_info":[{"term_name":"6. Interfejs \u201eKoherencja\u201d","term_url":"https:\/\/cleverpoint.pro\/pl\/docs\/interfejs-koherencja\/"}],"doc_tag_info":[],"knowledge_base_info":[],"knowledge_base_slug":[],"_links":{"self":[{"href":"https:\/\/cleverpoint.pro\/pl\/wp-json\/wp\/v2\/docs\/7449","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cleverpoint.pro\/pl\/wp-json\/wp\/v2\/docs"}],"about":[{"href":"https:\/\/cleverpoint.pro\/pl\/wp-json\/wp\/v2\/types\/docs"}],"author":[{"embeddable":true,"href":"https:\/\/cleverpoint.pro\/pl\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/cleverpoint.pro\/pl\/wp-json\/wp\/v2\/comments?post=7449"}],"version-history":[{"count":0,"href":"https:\/\/cleverpoint.pro\/pl\/wp-json\/wp\/v2\/docs\/7449\/revisions"}],"wp:attachment":[{"href":"https:\/\/cleverpoint.pro\/pl\/wp-json\/wp\/v2\/media?parent=7449"}],"wp:term":[{"taxonomy":"doc_category","embeddable":true,"href":"https:\/\/cleverpoint.pro\/pl\/wp-json\/wp\/v2\/doc_category?post=7449"},{"taxonomy":"doc_tag","embeddable":true,"href":"https:\/\/cleverpoint.pro\/pl\/wp-json\/wp\/v2\/doc_tag?post=7449"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}