{"id":4636,"date":"2026-08-12T15:46:48","date_gmt":"2026-08-12T13:46:48","guid":{"rendered":"https:\/\/ellistat.com\/?post_type=guide-dutilisateur&#038;p=4636"},"modified":"2026-08-12T15:46:48","modified_gmt":"2026-08-12T13:46:48","slug":"decomposizione-di-fourier","status":"publish","type":"guide-dutilisateur","link":"https:\/\/ellistat.com\/it\/guide-dutilisateur\/decomposition-de-fourier\/","title":{"rendered":"Scomposizione di Fourier"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Questa pagina cerca i&nbsp;<strong>frequenze<\/strong>&nbsp;di un segnale: ci\u00f2 che si ripete a intervalli regolari e rimane invisibile su un grafico di controllo.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"964\" height=\"686\" src=\"https:\/\/ellistat.com\/wp-content\/uploads\/fourier.png\" alt=\"\" class=\"wp-image-4637\" srcset=\"https:\/\/ellistat.com\/wp-content\/uploads\/fourier.png 964w, https:\/\/ellistat.com\/wp-content\/uploads\/fourier-300x213.png 300w, https:\/\/ellistat.com\/wp-content\/uploads\/fourier-768x547.png 768w, https:\/\/ellistat.com\/wp-content\/uploads\/fourier-18x12.png 18w\" sizes=\"auto, (max-width: 964px) 100vw, 964px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">I parametri:<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Intervallo di campionamento<\/strong>\u00a0: l'intervallo di tempo tra due misurazioni. \u00c8 proprio questo intervallo a definire la scala delle frequenze; senza di esso, i risultati sarebbero espressi in unit\u00e0 arbitrarie; ;<\/li>\n\n\n\n<li><strong>Finestra<\/strong>\u00a0: la suddivisione in finestre applicata prima della trasformazione, per limitare gli artefatti ai bordi; ;<\/li>\n\n\n\n<li><strong>Banda di frequenza (Hz)<\/strong>\u00a0: limita l'analisi a un intervallo; ;<\/li>\n\n\n\n<li><strong>Top K<\/strong>\u00a0e\u00a0<strong>Ampiezza minima<\/strong>\u00a0: conservare solo le file pi\u00f9 resistenti.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">I risultati indicano che\u00a0<strong>spettro<\/strong>, la tabella dei\u00a0<strong>linee<\/strong>, frequenza e ampiezza, il segnale\u00a0<strong>ricostruito<\/strong>\u00a0sovrapposto all\u2019originale, e il\u00a0<strong>residuo<\/strong>. Le razze vengono esportate.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\ud83d\udca1 Una linea netta si traduce, dal punto di vista fisico, nel suo periodo: un giro del mandrino, una rotazione del trasportatore, un ciclo di regolazione termica, un cambio di turno. \u00c8 il residuo a indicare se il modello ha colto l\u2019essenziale: se rimane strutturato, significa che \u00e8 stata tralasciata una periodicit\u00e0.<\/p>\n<\/blockquote>","protected":false},"featured_media":0,"menu_order":80,"template":"","meta":{"_acf_changed":true},"menu-guide-dutilisateur":[22],"class_list":["post-4636","guide-dutilisateur","type-guide-dutilisateur","status-publish","hentry","menu-guide-dutilisateur-4-statistiques-descriptives"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>D\u00e9composition de Fourier - Ellistat<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/ellistat.com\/it\/guida-per-lutente\/decomposizione-di-fourier\/\" \/>\n<meta property=\"og:locale\" content=\"it_IT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"D\u00e9composition de Fourier - Ellistat\" \/>\n<meta property=\"og:description\" content=\"Cette page cherche les&nbsp;p\u00e9riodicit\u00e9s&nbsp;d&rsquo;un signal : ce qui se r\u00e9p\u00e8te \u00e0 intervalle r\u00e9gulier et reste invisible sur une carte de contr\u00f4le. Les param\u00e8tres : Les r\u00e9sultats donnent le\u00a0spectre, la table des\u00a0raies, fr\u00e9quence et amplitude, le signal\u00a0reconstruit\u00a0superpos\u00e9 \u00e0 l&rsquo;original, et le\u00a0r\u00e9sidu. Les raies s&rsquo;exportent. \ud83d\udca1\u00a0Une raie franche se traduit en cause physique par sa p\u00e9riode : [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/ellistat.com\/it\/guida-per-lutente\/decomposizione-di-fourier\/\" \/>\n<meta property=\"og:site_name\" content=\"Ellistat\" \/>\n<meta property=\"og:image\" content=\"https:\/\/ellistat.com\/wp-content\/uploads\/fourier.png\" \/>\n\t<meta property=\"og:image:width\" content=\"964\" \/>\n\t<meta property=\"og:image:height\" content=\"686\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Tempo di lettura stimato\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minuto\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/ellistat.com\\\/guide-dutilisateur\\\/decomposition-de-fourier\\\/\",\"url\":\"https:\\\/\\\/ellistat.com\\\/guide-dutilisateur\\\/decomposition-de-fourier\\\/\",\"name\":\"D\u00e9composition de Fourier - Ellistat\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/ellistat.com\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/ellistat.com\\\/guide-dutilisateur\\\/decomposition-de-fourier\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/ellistat.com\\\/guide-dutilisateur\\\/decomposition-de-fourier\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/ellistat.com\\\/wp-content\\\/uploads\\\/fourier.png\",\"datePublished\":\"2026-08-12T13:46:48+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/ellistat.com\\\/guide-dutilisateur\\\/decomposition-de-fourier\\\/#breadcrumb\"},\"inLanguage\":\"it-IT\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/ellistat.com\\\/guide-dutilisateur\\\/decomposition-de-fourier\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"it-IT\",\"@id\":\"https:\\\/\\\/ellistat.com\\\/guide-dutilisateur\\\/decomposition-de-fourier\\\/#primaryimage\",\"url\":\"https:\\\/\\\/ellistat.com\\\/wp-content\\\/uploads\\\/fourier.png\",\"contentUrl\":\"https:\\\/\\\/ellistat.com\\\/wp-content\\\/uploads\\\/fourier.png\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/ellistat.com\\\/guide-dutilisateur\\\/decomposition-de-fourier\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Accueil\",\"item\":\"https:\\\/\\\/ellistat.com\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"D\u00e9composition de Fourier\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/ellistat.com\\\/#website\",\"url\":\"https:\\\/\\\/ellistat.com\\\/\",\"name\":\"Ellistat\",\"description\":\"La suite qualit\u00e9 de l&#039;industrie m\u00e9canique\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/ellistat.com\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"it-IT\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Scomposizione di Fourier - Ellistat","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/ellistat.com\/it\/guida-per-lutente\/decomposizione-di-fourier\/","og_locale":"it_IT","og_type":"article","og_title":"D\u00e9composition de Fourier - Ellistat","og_description":"Cette page cherche les&nbsp;p\u00e9riodicit\u00e9s&nbsp;d&rsquo;un signal : ce qui se r\u00e9p\u00e8te \u00e0 intervalle r\u00e9gulier et reste invisible sur une carte de contr\u00f4le. Les param\u00e8tres : Les r\u00e9sultats donnent le\u00a0spectre, la table des\u00a0raies, fr\u00e9quence et amplitude, le signal\u00a0reconstruit\u00a0superpos\u00e9 \u00e0 l&rsquo;original, et le\u00a0r\u00e9sidu. Les raies s&rsquo;exportent. \ud83d\udca1\u00a0Une raie franche se traduit en cause physique par sa p\u00e9riode : [&hellip;]","og_url":"https:\/\/ellistat.com\/it\/guida-per-lutente\/decomposizione-di-fourier\/","og_site_name":"Ellistat","og_image":[{"width":964,"height":686,"url":"https:\/\/ellistat.com\/wp-content\/uploads\/fourier.png","type":"image\/png"}],"twitter_card":"summary_large_image","twitter_misc":{"Tempo di lettura stimato":"1 minuto"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/ellistat.com\/guide-dutilisateur\/decomposition-de-fourier\/","url":"https:\/\/ellistat.com\/guide-dutilisateur\/decomposition-de-fourier\/","name":"Scomposizione di Fourier - Ellistat","isPartOf":{"@id":"https:\/\/ellistat.com\/#website"},"primaryImageOfPage":{"@id":"https:\/\/ellistat.com\/guide-dutilisateur\/decomposition-de-fourier\/#primaryimage"},"image":{"@id":"https:\/\/ellistat.com\/guide-dutilisateur\/decomposition-de-fourier\/#primaryimage"},"thumbnailUrl":"https:\/\/ellistat.com\/wp-content\/uploads\/fourier.png","datePublished":"2026-08-12T13:46:48+00:00","breadcrumb":{"@id":"https:\/\/ellistat.com\/guide-dutilisateur\/decomposition-de-fourier\/#breadcrumb"},"inLanguage":"it-IT","potentialAction":[{"@type":"ReadAction","target":["https:\/\/ellistat.com\/guide-dutilisateur\/decomposition-de-fourier\/"]}]},{"@type":"ImageObject","inLanguage":"it-IT","@id":"https:\/\/ellistat.com\/guide-dutilisateur\/decomposition-de-fourier\/#primaryimage","url":"https:\/\/ellistat.com\/wp-content\/uploads\/fourier.png","contentUrl":"https:\/\/ellistat.com\/wp-content\/uploads\/fourier.png"},{"@type":"BreadcrumbList","@id":"https:\/\/ellistat.com\/guide-dutilisateur\/decomposition-de-fourier\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Accueil","item":"https:\/\/ellistat.com\/"},{"@type":"ListItem","position":2,"name":"D\u00e9composition de Fourier"}]},{"@type":"WebSite","@id":"https:\/\/ellistat.com\/#website","url":"https:\/\/ellistat.com\/","name":"Ellistat","description":"La suite della qualit\u00e0 per l'industria meccanica","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/ellistat.com\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"it-IT"}]}},"_links":{"self":[{"href":"https:\/\/ellistat.com\/it\/wp-json\/wp\/v2\/guide-dutilisateur\/4636","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ellistat.com\/it\/wp-json\/wp\/v2\/guide-dutilisateur"}],"about":[{"href":"https:\/\/ellistat.com\/it\/wp-json\/wp\/v2\/types\/guide-dutilisateur"}],"wp:attachment":[{"href":"https:\/\/ellistat.com\/it\/wp-json\/wp\/v2\/media?parent=4636"}],"wp:term":[{"taxonomy":"menu-guide-dutilisateur","embeddable":true,"href":"https:\/\/ellistat.com\/it\/wp-json\/wp\/v2\/menu-guide-dutilisateur?post=4636"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}