{"id":312,"date":"2023-06-21T23:57:14","date_gmt":"2023-06-21T23:57:14","guid":{"rendered":"https:\/\/physigeek.com\/it\/hertz\/"},"modified":"2023-06-21T23:57:14","modified_gmt":"2023-06-21T23:57:14","slug":"hertz","status":"publish","type":"post","link":"https:\/\/physigeek.com\/it\/hertz\/","title":{"rendered":"Herz"},"content":{"rendered":"<p>In questo articolo troverai il significato di hertz, i multipli e sottomultipli di hertz e a cosa serve questa unit\u00e0. Inoltre, puoi effettuare conversioni tra hertz e altre unit\u00e0 con un convertitore online.<\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%C2%BFQue-es-un-hercio\"><\/span> Cos&#8217;\u00e8 un hertz?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> L&#8217; <strong>hertz<\/strong> , chiamato anche <strong>hertz<\/strong> , \u00e8 l&#8217;unit\u00e0 di frequenza del Sistema Internazionale (SI). In altre parole, l&#8217;hertz \u00e8 un&#8217;unit\u00e0 che indica il numero di ripetizioni di un fenomeno fisico in un secondo.<\/p>\n<p> Pi\u00f9 precisamente, un hertz equivale a 1\/s. Pertanto, una frequenza di un hertz significa che il fenomeno fisico studiato si \u00e8 ripetuto solo una volta al secondo. Allo stesso modo, una frequenza di 5 hertz significa che \u00e8 stata ripetuta cinque volte in un secondo.<\/p>\n<p> Il simbolo dell&#8217;Hertz \u00e8 <strong>Hz<\/strong> .<\/p>\n<p class=\"has-text-align-center\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/ql-cache\/quicklatex.com-587664b5cc5b1f4f13c88309d97925f3_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"5 \\ Hz = 5 \\ \\cfrac{\\text{r\u00e9p\u00e9titions}}{\\text{seconde}}\" title=\"Rendered by QuickLaTeX.com\" height=\"38\" width=\"163\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<p> L&#8217;unit\u00e0 principale della frequenza fu chiamata hertz in onore del fisico tedesco Heinrich Rudolf Hertz, perch\u00e9 scopr\u00ec la propagazione delle onde elettromagnetiche. Questo nome fu adottato alla Conferenza Generale sui Pesi e le Misure (CGPM) del 1960, sostituendo il vecchio nome <em>cicli al secondo<\/em> . <\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Multiplos-y-submultiplos-del-hercio\"><\/span> Multipli e sottomultipli di Hertz<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> Una volta vista la definizione di hertz, per comprendere meglio il concetto vedremo cosa sono i multipli e i sottomultipli di hertz e le loro equivalenze.<\/p>\n<p> I <strong>multipli degli Hertz<\/strong> sono i seguenti:<\/p>\n<figure class=\"wp-block-table is-style-stripes\">\n<table>\n<thead>\n<tr>\n<th> nome<\/th>\n<th class=\"has-text-align-center\" data-align=\"center\"> Simbolo<\/th>\n<th class=\"has-text-align-center\" data-align=\"center\"> Parecchi<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td> decahertz<\/td>\n<td class=\"has-text-align-center\" data-align=\"center\"> daHz<\/td>\n<td class=\"has-text-align-center\" data-align=\"center\"> 10 <sup>1Hz<\/sup><\/td>\n<\/tr>\n<tr>\n<td> ettohertz<\/td>\n<td class=\"has-text-align-center\" data-align=\"center\"> Hz<\/td>\n<td class=\"has-text-align-center\" data-align=\"center\"> 10 <sup>2Hz<\/sup><\/td>\n<\/tr>\n<tr>\n<td> kilohertz<\/td>\n<td class=\"has-text-align-center\" data-align=\"center\"> kHz<\/td>\n<td class=\"has-text-align-center\" data-align=\"center\"> 10 <sup>3Hz<\/sup><\/td>\n<\/tr>\n<tr>\n<td> megahertz<\/td>\n<td class=\"has-text-align-center\" data-align=\"center\"> MHz<\/td>\n<td class=\"has-text-align-center\" data-align=\"center\"> <sup>106Hz<\/sup><\/td>\n<\/tr>\n<tr>\n<td> gigahertz<\/td>\n<td class=\"has-text-align-center\" data-align=\"center\"> GHz<\/td>\n<td class=\"has-text-align-center\" data-align=\"center\"> <sup>109Hz<\/sup><\/td>\n<\/tr>\n<tr>\n<td> terahertz<\/td>\n<td class=\"has-text-align-center\" data-align=\"center\"> THz<\/td>\n<td class=\"has-text-align-center\" data-align=\"center\"> <sup>1012Hz<\/sup><\/td>\n<\/tr>\n<tr>\n<td> petahertz<\/td>\n<td class=\"has-text-align-center\" data-align=\"center\"> pH<\/td>\n<td class=\"has-text-align-center\" data-align=\"center\"> <sup>1015Hz<\/sup><\/td>\n<\/tr>\n<tr>\n<td> exahertz<\/td>\n<td class=\"has-text-align-center\" data-align=\"center\"> Hz<\/td>\n<td class=\"has-text-align-center\" data-align=\"center\"> <sup>1018Hz<\/sup><\/td>\n<\/tr>\n<tr>\n<td> zettahertz<\/td>\n<td class=\"has-text-align-center\" data-align=\"center\"> ZHz<\/td>\n<td class=\"has-text-align-center\" data-align=\"center\"> <sup>1021Hz<\/sup><\/td>\n<\/tr>\n<tr>\n<td> yottahertz<\/td>\n<td class=\"has-text-align-center\" data-align=\"center\"> YHz<\/td>\n<td class=\"has-text-align-center\" data-align=\"center\"> <sup>1024Hz<\/sup><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<p> D&#8217;altra parte, i <strong>sottomultipli degli hertz<\/strong> sono i seguenti:<\/p>\n<figure class=\"wp-block-table is-style-stripes\">\n<table>\n<thead>\n<tr>\n<th> nome<\/th>\n<th class=\"has-text-align-center\" data-align=\"center\"> Simbolo<\/th>\n<th class=\"has-text-align-center\" data-align=\"center\"> Sottomultiplo<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td> decihertz<\/td>\n<td class=\"has-text-align-center\" data-align=\"center\"> dHz<\/td>\n<td class=\"has-text-align-center\" data-align=\"center\"> 10-1 <sup>Hz<\/sup><\/td>\n<\/tr>\n<tr>\n<td> centihertz<\/td>\n<td class=\"has-text-align-center\" data-align=\"center\"> Hz<\/td>\n<td class=\"has-text-align-center\" data-align=\"center\"> <sup>10-2Hz<\/sup><\/td>\n<\/tr>\n<tr>\n<td> millihertz<\/td>\n<td class=\"has-text-align-center\" data-align=\"center\"> MHz<\/td>\n<td class=\"has-text-align-center\" data-align=\"center\"> <sup>10-3Hz<\/sup><\/td>\n<\/tr>\n<tr>\n<td> microhertz<\/td>\n<td class=\"has-text-align-center\" data-align=\"center\"> \u00b5Hz<\/td>\n<td class=\"has-text-align-center\" data-align=\"center\"> 10-6 <sup>Hz<\/sup><\/td>\n<\/tr>\n<tr>\n<td> nanohertz<\/td>\n<td class=\"has-text-align-center\" data-align=\"center\"> nHz<\/td>\n<td class=\"has-text-align-center\" data-align=\"center\"> <sup>10-9Hz<\/sup><\/td>\n<\/tr>\n<tr>\n<td> picohertz<\/td>\n<td class=\"has-text-align-center\" data-align=\"center\"> pHz<\/td>\n<td class=\"has-text-align-center\" data-align=\"center\"> <sup>10-12Hz<\/sup><\/td>\n<\/tr>\n<tr>\n<td> femtohertz<\/td>\n<td class=\"has-text-align-center\" data-align=\"center\"> fHz<\/td>\n<td class=\"has-text-align-center\" data-align=\"center\"> <sup>10-15Hz<\/sup><\/td>\n<\/tr>\n<tr>\n<td> attohertz<\/td>\n<td class=\"has-text-align-center\" data-align=\"center\"> Hz<\/td>\n<td class=\"has-text-align-center\" data-align=\"center\"> <sup>10-18Hz<\/sup><\/td>\n<\/tr>\n<tr>\n<td> zeptohertz<\/td>\n<td class=\"has-text-align-center\" data-align=\"center\"> Hz<\/td>\n<td class=\"has-text-align-center\" data-align=\"center\"> <sup>10-21 Hz<\/sup><\/td>\n<\/tr>\n<tr>\n<td> yottohertz<\/td>\n<td class=\"has-text-align-center\" data-align=\"center\"> yHz<\/td>\n<td class=\"has-text-align-center\" data-align=\"center\"> <sup>10-24hz<\/sup> <\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Calculadora-para-pasar-de-hercios-a-otras-unidades\"><\/span> Calcolatrice per convertire hertz in altre unit\u00e0<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> \u00c8 possibile utilizzare il seguente convertitore per convertire tra multipli e sottomultipli di hertz.<\/p>\n<p> Devi solo inserire il valore della frequenza, le unit\u00e0 di conversione e premere il pulsante &#8220;Converti&#8221;. \u00c8 necessario utilizzare il punto come separatore decimale, ad esempio 156.03.<\/p>\n<p> pre <\/p>\n<form action=\"\" method=\"post\">\n<div align=\"center\" style=\"line-height:50px; background:#FEF9E7; padding:15px; border:2px solid #4FD12F; border-radius:15px; margin-bottom:20px\"><input name=\"datos\" style=\"border:1.5px solid #4FD12F; border-radius:5px;  padding:7px; color:#000000; width: 100px\" placeholder=\"1\" required=\"\" oninvalid=\"this.setCustomValidity('Introduce el valor de la frecuencia aqu\u00ed')\" oninput=\"this.setCustomValidity('')\"><select name=\"unidad1\" style=\"border:1.5px solid #4FD12F; border-radius:5px;  padding:7px; color:#000000; width: 130px\"><option value=\"1unidad21\"> Yottahertz (YHz)<\/option><option value=\"1unidad20\"> Zettahertz (ZHz)<\/option><option value=\"1unidad19\"> Exahertz (EHz)<\/option><option value=\"1unidad18\"> petahertz (phz)<\/option><option value=\"1unidad17\"> Terahertz (THz)<\/option><option value=\"1unidad16\"> Gigahertz (GHz)<\/option><option value=\"1unidad1\"> Megahertz (MHz)<\/option><option disabled=\"disabled\" value=\"\"><\/option><option value=\"1unidad2\"> Kilohertz (kHz)<\/option><option value=\"1unidad3\"> Ettohertz (hHz)<\/option><option value=\"1unidad4\"> Decahertz (daHz)<\/option><option value=\"1unidad5\" selected=\"selected\"> Hertz (Hz)<\/option><option value=\"1unidad6\"> Decihertz (dHz)<\/option><option value=\"1unidad7\"> Centihertz (cHz)<\/option><option value=\"1unidad8\"> Millihertz (mHz)<\/option><option disabled=\"disabled\" value=\"\"><\/option><option value=\"1unidad9\"> Microhertz (\u03bcHz)<\/option><option value=\"1unidad10\"> Nanohertz (nHz)<\/option><option value=\"1unidad11\"> Picohertz (pHz)<\/option><option value=\"1unidad12\"> Femtohertz (fHz)<\/option><option value=\"1unidad13\"> Attohertz (aHz)<\/option><option value=\"1unidad14\"> Zeptohertz (zHz)<\/option><option value=\"1unidad15\"> Yoctohertz (yHz)<\/option><\/select> <span style=\"color:#4FD12F\">\u279c<\/span> <select name=\"unidad2\" style=\"border:1.5px solid #4FD12F; border-radius:5px;  padding:7px; color:#000000; width: 130px\"><option value=\"2unidad21\"> Yottahertz (YHz)<\/option><option value=\"2unidad20\"> Zettahertz (ZHz)<\/option><option value=\"2unidad19\"> Exahertz (EHz)<\/option><option value=\"2unidad18\"> Petahertz (PHz)<\/option><option value=\"2unidad17\"> Terahertz (THz)<\/option><option value=\"2unidad16\"> Gigahertz (GHz)<\/option><option value=\"2unidad1\"> Megahertz (MHz)<\/option><option disabled=\"disabled\" value=\"\"><\/option><option value=\"2unidad2\" selected=\"selected\">Kilohertz (kHz)<\/option><option value=\"2unidad3\"> Ettohertz (hHz)<\/option><option value=\"2unidad4\"> Decahertz (daHz)<\/option><option value=\"2unidad5\"> Hertz (Hz)<\/option><option value=\"2unidad6\"> Decihertz (dHz)<\/option><option value=\"2unidad7\"> Centihertz (cHz)<\/option><option value=\"2unidad8\"> Millihertz (mHz)<\/option><option disabled=\"disabled\" value=\"\"><\/option><option value=\"2unidad9\"> Microhertz (\u03bcHz)<\/option><option value=\"2unidad10\"> Nanohertz (nHz)<\/option><option value=\"2unidad11\"> Picohertz (pHz)<\/option><option value=\"2unidad12\"> Femtohertz (fHz)<\/option><option value=\"2unidad13\"> Attohertz (aHz)<\/option><option value=\"2unidad14\"> Zeptohertz (zHz)<\/option><option value=\"2unidad15\"> Yoctohertz (yHz) <\/option><\/select><\/p>\n<div style=\"text-align:center\"><input align=\"center\" style=\"font-size:105%; border-radius:30px; margin-top: 20px; margin-bottom:15px\" type=\"submit\" name=\"submit\" value=\"Convertire\"><\/div>\n<\/div>\n<\/form>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Uso-del-hercio\"><\/span> uso degli hertz<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> In questa sezione vedremo le principali applicazioni dell&#8217;unit\u00e0 hertz in fisica e ingegneria.<\/p>\n<p> Nell&#8217;informatica, hertz viene utilizzato per esprimere la velocit\u00e0 di clock dei processori. Hertz \u00e8 quindi la misura pi\u00f9 utilizzata per valutare le prestazioni del processore. In questo caso, \u00e8 il numero di volte in cui la tensione del segnale elettrico del processore cambia da bassa ad alta in un intervallo di un secondo. Normalmente, per esprimere i valori vengono utilizzati megahertz o gigahertz.<\/p>\n<p> In fisica, l&#8217;hertz viene utilizzato per esprimere la frequenza di vibrazione di un&#8217;onda. Pertanto, le onde sonore o elettromagnetiche vibrano a frequenze diverse. Ad esempio, una persona di mezza et\u00e0 pu\u00f2 normalmente sentire suoni compresi tra 20 Hz e 20.000 Hz. <\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Relacion-entre-el-hercio-y-el-segundo\"><\/span> Rapporto tra hertz e secondo<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> Infine vedremo come sono legati matematicamente gli Hertz e i secondi o, che \u00e8 la stessa cosa, qual \u00e8 il rapporto tra frequenza e tempo.<\/p>\n<p> Come spiegato in tutto l&#8217;articolo, <strong>la frequenza<\/strong> \u00e8 il numero di volte in cui si verifica un evento periodico durante un determinato periodo. D&#8217;altra parte, il <strong>periodo<\/strong> \u00e8 il tempo che intercorre tra il momento in cui si verifica un evento e il momento in cui si ripete.<\/p>\n<p> La frequenza \u00e8 quindi il reciproco del periodo e quindi <strong>un hertz \u00e8 uguale a uno diviso un secondo<\/strong> . In altre parole, gli Hertz e il secondo hanno una relazione inversa.<\/p>\n<p class=\"has-text-align-center\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/ql-cache\/quicklatex.com-dae166061583d76190b28ceb2af87d87_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\" f=\\cfrac{1}{T} \\quad\\color{orange}\\bm{\\longrightarrow}\\color{black}\\quad Hz = \\cfrac{1}{s}\" title=\"Rendered by QuickLaTeX.com\" height=\"38\" width=\"267\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<p> Per questo motivo l&#8217;hertz \u00e8 un&#8217;unit\u00e0 che esprime il numero di volte in cui un ciclo si ripete nell&#8217;arco di un secondo.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In questo articolo troverai il significato di hertz, i multipli e sottomultipli di hertz e a cosa serve questa unit\u00e0. Inoltre, puoi effettuare conversioni tra hertz e altre unit\u00e0 con un convertitore online. Cos&#8217;\u00e8 un hertz? L&#8217; hertz , chiamato anche hertz , \u00e8 l&#8217;unit\u00e0 di frequenza del Sistema Internazionale (SI). In altre parole, l&#8217;hertz &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"https:\/\/physigeek.com\/it\/hertz\/\"> <span class=\"screen-reader-text\">Herz<\/span> Leggi altro &raquo;<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"","footnotes":""},"categories":[16],"tags":[],"class_list":["post-312","post","type-post","status-publish","format-standard","hentry","category-unita"],"yoast_head":"<!-- This site is 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