{"id":313,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/zoom-fft\/"},"modified":"2026-07-03T09:57:43","modified_gmt":"2026-07-03T09:57:43","slug":"zoom-fft","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/hu\/glossary\/zoom-fft\/","title":{"rendered":"Mi a Zoom FFT? Nagy felbont\u00e1s\u00fa spektr\u00e1lis anal\u00edzis"},"content":{"rendered":"<h1>A Zoom FFT meg\u00e9rt\u00e9se<\/h1>\n\t\t<section class=\"woocommerce hestia-shop products is-shortcode\" id=\"products\" data-sorder=\"hestia_shop\" >\n\t\t\t\t\t\t<div class=\"\">\n\t\t\t\t\t\t<div class=\"hestia-shop-content\">\n\t\t\t<div class=\"row\" data-aos=\"fade-up\" >\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/hu\/product\/balanset-1\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/hu\/product\/balanset-1\/\" title=\"Hordozhat\u00f3 kiegyens\u00falyoz\u00f3 \u00e9s rezg\u00e9selemz\u0151 Balanset-1A\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Balanset-1A teljes k\u00e9szlet\u0171 hordozhat\u00f3 kiegyens\u00falyoz\u00f3 \u00e9s rezg\u00e9selemz\u0151 k\u00e9sz\u00fcl\u00e9k\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-18x12.webp 18w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-272x182.webp 272w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/hu\/product-category\/devices\/\" rel=\"tag\">Eszk\u00f6z\u00f6k<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/hu\/product\/balanset-1\/\" title=\"Hordozhat\u00f3 kiegyens\u00falyoz\u00f3 \u00e9s rezg\u00e9selemz\u0151 Balanset-1A\">Hordozhat\u00f3 kiegyens\u00falyoz\u00f3 \u00e9s rezg\u00e9selemz\u0151 Balanset-1A<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>1,975.00<\/span> + \u00c1FA (ha alkalmazand\u00f3)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/hu\/wp-json\/wp\/v2\/glossary\/313?add-to-cart=986\" data-quantity=\"1\" data-product_id=\"986\" data-product_sku=\"BS-1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"Kos\u00e1rba teszem\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Kos\u00e1rba teszem\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/hu\/wp-json\/wp\/v2\/glossary\/313?add-to-cart=986\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_986\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"986\" data-product_sku=\"BS-1\" aria-label=\"Kos\u00e1rba: \u201cPortable balancer &amp; Vibration analyzer Balanset-1A\u201d\" rel=\"nofollow\" data-success_message=\"\u201cPortable balancer &amp; Vibration analyzer Balanset-1A\u201d has been added to your cart\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Kos\u00e1rba teszem<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_986\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/hu\/product\/vibration-sensor\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/hu\/product\/vibration-sensor\/\" title=\"Rezg\u00e9s\u00e9rz\u00e9kel\u0151\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Balanset-1A rezg\u00e9s\u00e9rz\u00e9kel\u0151 k\u00f6zelr\u0151l\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-600x400.webp 600w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-300x200.webp 300w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-768x512.webp 768w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-1024x682.webp 1024w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-272x182.webp 272w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3.webp 1280w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/hu\/product-category\/parts\/\" rel=\"tag\">Alkatr\u00e9szek<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/hu\/product\/vibration-sensor\/\" title=\"Rezg\u00e9s\u00e9rz\u00e9kel\u0151\">Rezg\u00e9s\u00e9rz\u00e9kel\u0151<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>90.00<\/span> + \u00c1FA (ha alkalmazand\u00f3)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/hu\/wp-json\/wp\/v2\/glossary\/313?add-to-cart=1820\" data-quantity=\"1\" data-product_id=\"1820\" data-product_sku=\"VS-1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"Kos\u00e1rba teszem\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Kos\u00e1rba teszem\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/hu\/wp-json\/wp\/v2\/glossary\/313?add-to-cart=1820\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_1820\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"1820\" data-product_sku=\"VS-1\" aria-label=\"Kos\u00e1rba: \u201cVibration sensor\u201d\" rel=\"nofollow\" data-success_message=\"\u201cVibration sensor\u201d has been added to your cart\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Kos\u00e1rba teszem<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_1820\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/hu\/product\/optical-sensor-for-balanset-and-arbalance\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/hu\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Optikai \u00e9rz\u00e9kel\u0151 (l\u00e9zeres fordulatsz\u00e1mm\u00e9r\u0151)\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Optikai \u00e9rz\u00e9kel\u0151 (l\u00e9zeres fordulatsz\u00e1mm\u00e9r\u0151)\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-300x200.webp 300w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-1024x682.webp 1024w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-768x512.webp 768w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-1536x1023.webp 1536w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-18x12.webp 18w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-460x306.webp 460w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-600x400.webp 600w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-272x182.webp 272w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU.webp 1600w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/hu\/product-category\/parts\/\" rel=\"tag\">Alkatr\u00e9szek<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/hu\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Optikai \u00e9rz\u00e9kel\u0151 (l\u00e9zeres fordulatsz\u00e1mm\u00e9r\u0151)\">Optikai \u00e9rz\u00e9kel\u0151 (l\u00e9zeres fordulatsz\u00e1mm\u00e9r\u0151)<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>124.00<\/span> + \u00c1FA (ha alkalmazand\u00f3)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/hu\/wp-json\/wp\/v2\/glossary\/313?add-to-cart=1832\" data-quantity=\"1\" data-product_id=\"1832\" data-product_sku=\"Tach-1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"Kos\u00e1rba teszem\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Kos\u00e1rba teszem\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/hu\/wp-json\/wp\/v2\/glossary\/313?add-to-cart=1832\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_1832\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"1832\" data-product_sku=\"Tach-1\" aria-label=\"Kos\u00e1rba: \u201cOptical Sensor (Laser Tachometer)\u201d\" rel=\"nofollow\" data-success_message=\"\u201cOptical Sensor (Laser Tachometer)\u201d has been added to your cart\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Kos\u00e1rba teszem<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_1832\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/hu\/product\/balanset-4\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/hu\/product\/balanset-4\/\" title=\"Balanset-4\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Vibromera rotor kiegyens\u00falyoz\u00f3 k\u00e9szlet: hordt\u00e1ska, t\u00f6bbcsatorn\u00e1s jel\u00e1talak\u00edt\u00f3, k\u00e9zi analiz\u00e1tor, m\u00e1gneses talp, rezg\u00e9s\u00e9rz\u00e9kel\u0151k \u00e9s tekercselt k\u00e1belek.\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-300x200.webp 300w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-18x12.webp 18w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-460x306.webp 460w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-600x400.webp 600w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-272x182.webp 272w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4.webp 640w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/hu\/product-category\/devices\/\" rel=\"tag\">Eszk\u00f6z\u00f6k<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/hu\/product\/balanset-4\/\" title=\"Balanset-4\">Balanset-4<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>6,803.00<\/span> + \u00c1FA (ha alkalmazand\u00f3)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/hu\/wp-json\/wp\/v2\/glossary\/313?add-to-cart=1833\" data-quantity=\"1\" data-product_id=\"1833\" data-product_sku=\"BS-4\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"Kos\u00e1rba teszem\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Kos\u00e1rba teszem\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/hu\/wp-json\/wp\/v2\/glossary\/313?add-to-cart=1833\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_1833\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"1833\" data-product_sku=\"BS-4\" aria-label=\"Kos\u00e1rba: \u201cBalanset-4\u201d\" rel=\"nofollow\" data-success_message=\"\u201cBalanset-4\u201d has been added to your cart\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Kos\u00e1rba teszem<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_1833\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div><!-- \/.row --><div class=\"row\">\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/hu\/product\/magnet-stand\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/hu\/product\/magnet-stand\/\" title=\"M\u00e1gneses \u00e1llv\u00e1ny Insize-60-kgf\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"M\u00e1gneses alap.\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-600x400.webp 600w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-300x200.webp 300w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-1024x682.webp 1024w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-768x512.webp 768w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-272x182.webp 272w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36.webp 1280w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/hu\/product-category\/parts\/\" rel=\"tag\">Alkatr\u00e9szek<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/hu\/product\/magnet-stand\/\" title=\"M\u00e1gneses \u00e1llv\u00e1ny Insize-60-kgf\">M\u00e1gneses \u00e1llv\u00e1ny Insize-60-kgf<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>46.00<\/span> + \u00c1FA (ha alkalmazand\u00f3)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/hu\/wp-json\/wp\/v2\/glossary\/313?add-to-cart=1852\" data-quantity=\"1\" data-product_id=\"1852\" data-product_sku=\"MS-1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"Kos\u00e1rba teszem\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Kos\u00e1rba teszem\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/hu\/wp-json\/wp\/v2\/glossary\/313?add-to-cart=1852\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_1852\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"1852\" data-product_sku=\"MS-1\" aria-label=\"Kos\u00e1rba: \u201cMagnetic Stand Insize-60-kgf\u201d\" rel=\"nofollow\" data-success_message=\"\u201cMagnetic Stand Insize-60-kgf\u201d has been added to your cart\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Kos\u00e1rba teszem<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_1852\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/hu\/product\/reflective-tape\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/hu\/product\/reflective-tape\/\" title=\"F\u00e9nyvisszaver\u0151 szalag\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"F\u00e9nyvisszaver\u0151 szalag\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-16x12.webp 16w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-460x306.webp 460w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-272x182.webp 272w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/hu\/product-category\/parts\/\" rel=\"tag\">Alkatr\u00e9szek<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/hu\/product\/reflective-tape\/\" title=\"F\u00e9nyvisszaver\u0151 szalag\">F\u00e9nyvisszaver\u0151 szalag<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>10.00<\/span> + \u00c1FA (ha alkalmazand\u00f3)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/hu\/wp-json\/wp\/v2\/glossary\/313?add-to-cart=2329\" data-quantity=\"1\" data-product_id=\"2329\" data-product_sku=\"rt-1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"Kos\u00e1rba teszem\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Kos\u00e1rba teszem\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/hu\/wp-json\/wp\/v2\/glossary\/313?add-to-cart=2329\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_2329\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"2329\" data-product_sku=\"rt-1\" aria-label=\"Kos\u00e1rba: \u201cReflective tape\u201d\" rel=\"nofollow\" data-success_message=\"\u201cReflective tape\u201d has been added to your cart\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Kos\u00e1rba teszem<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_2329\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/hu\/product\/dynamic-balancer-balanset-1a\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/hu\/product\/dynamic-balancer-balanset-1a\/\" title=\"Dinamikus kiegyens\u00falyoz\u00f3 &quot;Balanset-1A&quot; OEM\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Balanset-1A k\u00e9szlet tartalma interf\u00e9sz egys\u00e9ggel, \u00e9rz\u00e9kel\u0151kkel, tachom\u00e9terrel \u00e9s tartoz\u00e9kokkal\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-600x400.webp 600w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-300x200.webp 300w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-1024x683.webp 1024w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-768x512.webp 768w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-1536x1024.webp 1536w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-2048x1366.webp 2048w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-272x182.webp 272w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-e1732998877834.webp 708w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/hu\/product-category\/devices\/\" rel=\"tag\">Eszk\u00f6z\u00f6k<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/hu\/product\/dynamic-balancer-balanset-1a\/\" title=\"Dinamikus kiegyens\u00falyoz\u00f3 &quot;Balanset-1A&quot; OEM\">Dinamikus kiegyens\u00falyoz\u00f3 \"Balanset-1A\" OEM<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>1,735.00<\/span> + \u00c1FA (ha alkalmazand\u00f3)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/hu\/wp-json\/wp\/v2\/glossary\/313?add-to-cart=4193\" data-quantity=\"1\" data-product_id=\"4193\" data-product_sku=\"BS-1OEM\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"Kos\u00e1rba teszem\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Kos\u00e1rba teszem\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/hu\/wp-json\/wp\/v2\/glossary\/313?add-to-cart=4193\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_4193\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"4193\" data-product_sku=\"BS-1OEM\" aria-label=\"Kos\u00e1rba: \u201cDynamic balancer \u201cBalanset-1A\u201d OEM\u201d\" rel=\"nofollow\" data-success_message=\"\u201cDynamic balancer \u201cBalanset-1A\u201d OEM\u201d has been added to your cart\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Kos\u00e1rba teszem<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_4193\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/section>\n\t\t\n<p><strong>Zoom FFT<\/strong> \u2014 m\u00e1s n\u00e9ven nagy felbont\u00e1s\u00fa FFT vagy frekvenciazoom \u2014 a <a href=\"https:\/\/vibromera.eu\/hu\/glossary\/fft\/\">Gyors Fourier-transzform\u00e1ci\u00f3<\/a> amely a frekvenciafelbont\u00e1st egy kiv\u00e1lasztott keskeny s\u00e1von bel\u00fcl \u00f6sszpontos\u00edtja, ahelyett, hogy azt v\u00e9konyan elosztan\u00e1 az eg\u00e9sz <a href=\"https:\/\/vibromera.eu\/hu\/glossary\/spectrum\/\">spektrum<\/a>. Ahelyett, hogy 0\u20131000 Hz-es tartom\u00e1nyt 1 Hz-es felbont\u00e1ssal (1000 vonallal) elemezn\u00e9, egy zoom FFT p\u00e9ld\u00e1ul a 95\u2013105 Hz-es tartom\u00e1nyt 0,01 Hz-es felbont\u00e1ssal elemezheti \u2013 ugyanaz a 1000 vonal, de mindegyik egy 10 Hz-es ablakba s\u0171r\u00edtve. Ez a sz\u00e1zszoros felbont\u00e1sn\u00f6vel\u00e9s lehet\u0151v\u00e9 teszi az elemz\u0151 sz\u00e1m\u00e1ra, hogy sz\u00e9tv\u00e1lassza az egym\u00e1shoz k\u00f6zel elhelyezked\u0151 komponenseket, mint p\u00e9ld\u00e1ul <a href=\"https:\/\/vibromera.eu\/hu\/glossary\/sidebands\/\">oldals\u00e1vok<\/a>, pontos cs\u00facsfrekvencia meghat\u00e1roz\u00e1sa, \u00e9s egy spektr\u00e1lis tartom\u00e1ny alapos, minden r\u00e9szletre kiterjed\u0151 megvizsg\u00e1l\u00e1sa.<\/p>\n<h2>1. Meghat\u00e1roz\u00e1s: Hat\u00e9konys\u00e1g ott, ahol igaz\u00e1n sz\u00e1m\u00edt<\/h2>\n<p>A Zoom FFT az els\u0151dleges v\u00e1laszt\u00e1s, ha a diagnosztikai inform\u00e1ci\u00f3k olyan cs\u00facsokban rejlenek, amelyek t\u00fal k\u00f6zel vannak egym\u00e1shoz ahhoz, hogy egy hagyom\u00e1nyos spektrummal sz\u00e9t lehessen v\u00e1lasztani \u0151ket. A legjellemz\u0151bb esetek a motoros <a href=\"https:\/\/vibromera.eu\/hu\/glossary\/broken-rotor-bars\/\">t\u00f6r\u00f6tt rotorrudak<\/a> (a par\u00e1nyi p\u00f3lus\u00e1tmeneti oldals\u00e1vok felbont\u00e1sa \u2014 amelyek a p\u00f3lusok sz\u00e1ma \u00d7 a <a href=\"https:\/\/vibromera.eu\/hu\/glossary\/slip-frequency\/\">cs\u00fasz\u00e1si frekvencia<\/a> \u2014 t\u00e1vols\u00e1gra vannak az 1\u00d7 \u00fczemi fordulatsz\u00e1m k\u00f6r\u00fcl), <a href=\"https:\/\/vibromera.eu\/hu\/glossary\/gear-defects\/\">sebess\u00e9gv\u00e1lt\u00f3 probl\u00e9m\u00e1k<\/a> (a h\u00e1l\u00f3frekvencia k\u00f6r\u00fcli modul\u00e1ci\u00f3s mint\u00e1zat leolvas\u00e1s\u00e1val), valamint minden olyan esetben, amikor k\u00e9t fontos cs\u00facs egy\u00e9bk\u00e9nt egyetlen elmos\u00f3dott foltt\u00e1 olvadna \u00f6ssze.<\/p>\n<h2>2. Mi\u00e9rt van sz\u00fcks\u00e9g a Zoom FFT-re?<\/h2>\n<h3>A standard FFT felbont\u00e1si hat\u00e1ra<\/h3>\n<p>Minden szok\u00e1sos FFT egy elker\u00fclhetetlen \u00f6sszef\u00fcgg\u00e9snek felel meg:<\/p>\n<blockquote><p>Felbont\u00e1s = F<sub>max<\/sub> \u00f7 Sorok sz\u00e1ma.<\/p><\/blockquote>\n<p>P\u00e9ld\u00e1ul egy 0\u20131000 Hz tartom\u00e1ny 800 vonallal 1.25 Hz felbont\u00e1st ad \u2014 \u00e9s k\u00e9t, 1.25 Hz-n\u00e9l k\u00f6zelebb l\u00e9v\u0151 cs\u00facs egyszer\u0171en nem k\u00fcl\u00f6n\u00edthet\u0151 el. Ez val\u00f3di probl\u00e9ma az elektromos hib\u00e1kn\u00e1l, ahol az \u00e9rdekes p\u00f3lus\u00e1tmeneti oldals\u00e1vok gyakran csak n\u00e9h\u00e1ny hertzre \u2014 n\u00e9ha alig 1\u20132 Hz-re \u2014 vannak a k\u00f6zponti cs\u00facst\u00f3l.<\/p>\n<h3>A brute force m\u00f3dszer el\u0151nyei \u00e9s h\u00e1tr\u00e1nyai<\/h3>\n<ul>\n<li><strong>Cs\u00f6kkentse F<sub>max<\/sub>:<\/strong> A 0\u2013100 Hz-es tartom\u00e1nyra val\u00f3 sz\u0171k\u00edt\u00e9s 0,125 Hz-es felbont\u00e1st eredm\u00e9nyez, de a magasabb frekvenci\u00e1j\u00fa tartalmakat teljesen elveti.<\/li>\n<li><strong>N\u00f6velje a sorok sz\u00e1m\u00e1t:<\/strong> A 8000 soros v\u00e1ltozat szint\u00e9n el\u00e9ri a 0,125 Hz-et, de nagy terhel\u00e9st jelent a feldolgoz\u00e1si id\u0151re \u00e9s a mem\u00f3ri\u00e1ra n\u00e9zve.<\/li>\n<li><strong>Nagy\u00edt\u00e1s FFT:<\/strong> pontosan ott biztos\u00edtja a kiv\u00e1l\u00f3 felbont\u00e1st, ahol arra sz\u00fcks\u00e9g van, mik\u00f6zben a sz\u00e1m\u00edt\u00e1si ig\u00e9nyt \u00e9sszer\u0171 szinten tartja \u2013 \u00edgy a legjobb tulajdons\u00e1gokat egyes\u00edti.<\/li>\n<\/ul>\n<p>A m\u00e9r\u00e9s megkezd\u00e9se el\u0151tt az ingyenes verzi\u00f3val megtekintheti ezeket a kompromisszumokat <a href=\"https:\/\/vibromera.eu\/hu\/calculators\/fft-resolution-calculator\/\">FFT felbont\u00e1s kalkul\u00e1tor<\/a>, amely k\u00f6zvetlen \u00f6sszef\u00fcgg\u00e9st mutat a sz\u00e9less\u00e9g, a sorok sz\u00e1ma \u00e9s a felbont\u00e1s k\u00f6z\u00f6tt.<\/p>\n<h2>3. Hogyan m\u0171k\u00f6dik a Zoom FFT?<\/h2>\n<p>A technika egy digit\u00e1lis \u201enagy\u00edt\u00f3\u201d, amely h\u00e1rom jelfeldolgoz\u00e1si l\u00e9p\u00e9sb\u0151l \u00e1ll:<\/p>\n<ol>\n<li><strong>V\u00e1lassza ki a s\u00e1vot:<\/strong> V\u00e1lasszon ki egy k\u00f6z\u00e9pfrekvenci\u00e1t \u00e9s s\u00e1vsz\u00e9less\u00e9get, p\u00e9ld\u00e1ul 100 Hz \u00b1 10 Hz.<\/li>\n<li><strong>Frekvenciaeltol\u00f3d\u00e1s:<\/strong> digit\u00e1lisan lek\u00e9pezz\u00fck azt a s\u00e1vot az egyen\u00e1ram\u00fa tartom\u00e1nyba (alaps\u00e1vba), \u00edgy a vizsg\u00e1lt tartom\u00e1ny pontosan ott helyezkedik el, ahol az FFT felbont\u00e1sa term\u00e9szetesen a legnagyobb.<\/li>\n<li><strong>Megtizedel\u00e9s:<\/strong> a mintav\u00e9teli frekvenci\u00e1t a sz\u0171k\u00edtett s\u00e1vsz\u00e9less\u00e9ggel ar\u00e1nyosan cs\u00f6kkentse.<\/li>\n<li><strong>FFT-sz\u00e1m\u00edt\u00e1s:<\/strong> v\u00e9gezze el az \u00e1talak\u00edt\u00e1st a cs\u00f6kkentett frekvenci\u00e1j\u00fa jelre.<\/li>\n<li><strong>Eredm\u00e9ny:<\/strong> egy nagy felbont\u00e1s\u00fa spektrum, amely kiz\u00e1r\u00f3lag a kiv\u00e1lasztott keskeny s\u00e1vot fedi le.<\/li>\n<\/ol>\n<p>A nyeres\u00e9g k\u00f6zvetlen\u00fcl ar\u00e1nyos a nagy\u00edt\u00e1s m\u00e9rt\u00e9k\u00e9vel: ha a teljes tartom\u00e1ny tized\u00e9re nagy\u00edtunk, t\u00edzszer finomabb felbont\u00e1st kapunk, \u00edgy a felbont\u00e1sn\u00f6veked\u00e9s egyszer\u0171en (teljes tartom\u00e1ny \u00f7 nagy\u00edtott tartom\u00e1ny). Ha a 0\u20131000 Hz-es tartom\u00e1nyt 1 Hz-es l\u00e9p\u00e9sk\u00f6zzel 95\u2013105 Hz-es tartom\u00e1nyra cser\u00e9lj\u00fck 0,01 Hz-es l\u00e9p\u00e9sk\u00f6zzel, az sz\u00e1zszoros felbont\u00e1sn\u00f6veked\u00e9st jelent.<\/p>\n<h2>4. Alkalmaz\u00e1sok<\/h2>\n<h3>Motorrotor-rudak hibajelz\u00e9se<\/h3>\n<p>The classic zoom FFT job. Pole-pass sidebands (number of poles \u00d7 slip frequency) spaced only a few hertz from the 1\u00d7 peak are too close to resolve in a standard spectrum, so a zoom around 1\u00d7 <a href=\"https:\/\/vibromera.eu\/hu\/glossary\/running-speed\/\">\u00fczemi fordulatsz\u00e1m<\/a> 0,1 Hz-es vagy ann\u00e1l jobb felbont\u00e1ssal tiszt\u00e1n sz\u00e9tv\u00e1lasztja \u0151ket \u00e9s felt\u00e1rja <a href=\"https:\/\/vibromera.eu\/hu\/glossary\/broken-rotor-bars\/\">t\u00f6r\u00f6tt rotorrudak<\/a>. Az 1\u00d7-es cs\u00facshoz viszony\u00edtott oldals\u00e1v amplit\u00fad\u00f3ja jelzi, hogy h\u00e1ny s\u00e1v szakadt el.<\/p>\n<h3>Fogasker\u00e9k-diagnosztika<\/h3>\n<p>Nagy\u00edtson a <a href=\"https:\/\/vibromera.eu\/hu\/glossary\/gear-mesh-frequency\/\">fogasker\u00e9k-kapcsol\u00e1si frekvencia<\/a> a tengelyfordulatsz\u00e1mmal ar\u00e1nyosan elhelyezked\u0151 oldals\u00e1vok meghat\u00e1roz\u00e1sa <a href=\"https:\/\/vibromera.eu\/hu\/glossary\/hunting-tooth-frequency\/\">vad\u00e1szfog-gyakoris\u00e1g<\/a> mint\u00e1kat, \u00e9s megk\u00fcl\u00f6nb\u00f6ztetni a kis fogasker\u00e9k oldals\u00e1vjait a nagy fogasker\u00e9k oldals\u00e1vjait\u00f3l. Az ingyenes <a href=\"https:\/\/vibromera.eu\/hu\/calculators\/gear-mesh-frequency\/\">Fogaskerekek fogaz\u00e1si frekvenci\u00e1j\u00e1nak sz\u00e1m\u00edt\u00f3ja<\/a> megmutatja, hogy kezdetben hova kell k\u00f6zpontos\u00edtani a nagy\u00edt\u00e1st.<\/p>\n<h3>Csap\u00e1gyelemz\u00e9s<\/h3>\n<p>Nagy\u00edtson a <a href=\"https:\/\/vibromera.eu\/hu\/glossary\/bearing-fault-frequencies\/\">csap\u00e1gyhiba-frekvenci\u00e1k<\/a> hogy meghat\u00e1rozz\u00e1k az oldals\u00e1vszerkezet\u00fcket, \u00f6sszehasonl\u00edts\u00e1k a pontos hiba frekvenci\u00e1j\u00e1t a sz\u00e1m\u00edtott \u00e9rt\u00e9kkel, \u00e9s leolvass\u00e1k a modul\u00e1ci\u00f3s mint\u00e1t, amely <a href=\"https:\/\/vibromera.eu\/hu\/glossary\/envelope-analysis\/\">burkol\u00f3g\u00f6rbe-elemz\u00e9s<\/a> amit egy\u00e9bk\u00e9nt hordozna.<\/p>\n<h3>Elektromos frekvenciaelemz\u00e9s<\/h3>\n<p>Nagy\u00edtson r\u00e1 a h\u00e1l\u00f3zati frekvencia vagy a h\u00e1l\u00f3zati frekvencia 2\u00d7 \u00e9rt\u00e9ke k\u00f6rnyezet\u00e9re, hogy felbontsa a <a href=\"https:\/\/vibromera.eu\/hu\/glossary\/pole-pass-frequency\/\">p\u00f3lus\u00e1tviteli frekvencia<\/a> t\u00e1vols\u00e1gra l\u00e9v\u0151 oldals\u00e1vokat az \u00e1ramhoz kapcsol\u00f3d\u00f3 rezg\u00e9sben, \u00e9s pontosan megm\u00e9rje ezt a t\u00e1vols\u00e1got.<\/p>\n<h3>Kritikus sebess\u00e9gre vonatkoz\u00f3 vizsg\u00e1latok<\/h3>\n<p>K\u00f6rbezoomolhatunk egy gyan\u00fas <a href=\"https:\/\/vibromera.eu\/hu\/glossary\/natural-frequency\/\">saj\u00e1tfrekvencia<\/a> hogy pontosan meghat\u00e1rozzuk a <a href=\"https:\/\/vibromera.eu\/hu\/glossary\/resonance\/\">rezonancia<\/a> pontosan, valamint a rezonanciacs\u00facs sz\u00e9less\u00e9g\u00e9nek m\u00e9r\u00e9s\u00e9re, amelyb\u0151l a <a href=\"https:\/\/vibromera.eu\/hu\/glossary\/damping\/\">csillap\u00edt\u00e1s<\/a> becs\u00fclhet\u0151.<\/p>\n<h2>5. M\u0171k\u00f6d\u00e9si elj\u00e1r\u00e1s<\/h2>\n<h3>Be\u00e1ll\u00edt\u00e1s<\/h3>\n<ol>\n<li><strong>El\u0151sz\u00f6r futtassunk egy szok\u00e1sos FFT-t<\/strong> a vizsg\u00e1land\u00f3 ter\u00fclet megtal\u00e1l\u00e1s\u00e1hoz \u2013 a nagy\u00edt\u00e1s soha nem lehet az els\u0151, vakl\u00e1t\u00f3 l\u00e9p\u00e9s.<\/li>\n<li><strong>V\u00e1lassza ki a k\u00f6zpontot<\/strong> a zoom frekvenci\u00e1ja.<\/li>\n<li><strong>V\u00e1lassza ki a tartom\u00e1nyt<\/strong> \u2014 min\u00e9l keskenyebb, ann\u00e1l nagyobb a felbont\u00e1s.<\/li>\n<li><strong>\u00c1ll\u00edtsa be a sorok sz\u00e1m\u00e1t<\/strong> (\u00e1ltal\u00e1ban megegyezik a szabv\u00e1nyos FFT-vel).<\/li>\n<li><strong>Beolvas\u00e1s<\/strong> \u00e9s hagyjuk, hogy a k\u00e9sz\u00fcl\u00e9k kisz\u00e1m\u00edtsa a nagy\u00edt\u00e1st.<\/li>\n<\/ol>\n<h3>Jellemz\u0151 be\u00e1ll\u00edt\u00e1sok<\/h3>\n<ul>\n<li><strong>Motoros oldals\u00e1vok:<\/strong> k\u00f6z\u00e9ppont 1\u00d7 (30 Hz), tartom\u00e1ny \u00b110 Hz, 800 vonal \u2192 0,025 Hz felbont\u00e1s.<\/li>\n<li><strong>Fogazatkapcsol\u00f3d\u00e1s:<\/strong> k\u00f6z\u00e9ppont a GMF-en (600 Hz), tartom\u00e1ny \u00b150 Hz, 1600 vonal \u2192 0,0625 Hz felbont\u00e1s.<\/li>\n<li><strong>Csap\u00e1gyhiba:<\/strong> k\u00f6zpont <a href=\"https:\/\/vibromera.eu\/hu\/glossary\/bpfo\/\">BPFO<\/a> (150 Hz), tartom\u00e1ny \u00b125 Hz, 800 vonal \u2192 0,0625 Hz felbont\u00e1s.<\/li>\n<\/ul>\n<h2>6. El\u0151ny\u00f6k<\/h2>\n<ul>\n<li><strong>Nagy felbont\u00e1s:<\/strong> 10\u2013100-szer finomabb, mint egy hagyom\u00e1nyos FFT, \u00edgy olyan cs\u00facsokat is sz\u00e9tv\u00e1laszt, amelyeket egy\u00e9bk\u00e9nt lehetetlen lenne megk\u00fcl\u00f6nb\u00f6ztetni, \u00e9s diagnosztikai r\u00e9szleteket t\u00e1r fel.<\/li>\n<li><strong>Sz\u00e1m\u00edt\u00e1si hat\u00e9konys\u00e1g:<\/strong> sokkal olcs\u00f3bb, mint az eg\u00e9sz spektrumban n\u00f6velni a vonalsz\u00e1mot \u2013 gyorsabb \u00e9s kevesebb mem\u00f3ri\u00e1t ig\u00e9nyel.<\/li>\n<li><strong>Pontos frekvenciam\u00e9r\u00e9s:<\/strong> meghat\u00e1rozza a pontos cs\u00facsfrekvenci\u00e1t, hogy azt \u00f6ssze lehessen vetni az elm\u00e9leti sz\u00e1m\u00edt\u00e1sokkal, meger\u0151s\u00edtve vagy c\u00e1folva a felt\u00e9telez\u00e9st <a href=\"https:\/\/vibromera.eu\/hu\/glossary\/diagnosis\/\">diagn\u00f3zis<\/a>.<\/li>\n<\/ul>\n<h2>7. Korl\u00e1toz\u00e1sok<\/h2>\n<ul>\n<li><strong>Csak keskeny s\u00e1v:<\/strong> csak a kijel\u00f6lt ter\u00fcletet jelen\u00edti meg, \u00e9s nem veszi figyelembe a k\u00f6rnyez\u0151 r\u00e9szeket, ez\u00e9rt el\u0151zetesen nagyj\u00e1b\u00f3l tudnia kell, hol keresse a megold\u00e1st \u2013 ez\u00e9rt is kezdj\u00fck el\u0151sz\u00f6r a standard FFT \u00e1ttekint\u00e9s\u00e9vel.<\/li>\n<li><strong>Sz\u00fcks\u00e9ges felhaszn\u00e1l\u00f3i ismeretek:<\/strong> A megfelel\u0151 k\u00f6z\u00e9p\u00e9rt\u00e9k \u00e9s tartom\u00e1ny kiv\u00e1laszt\u00e1s\u00e1hoz tiszt\u00e1ban kell lenn\u00fcnk azzal, hogy mit keres\u00fcnk, ami miatt a zoom FFT nem alkalmas \u00e1ltal\u00e1nos sz\u0171r\u00e9sre, \u00e9s ig\u00e9nyesebb, mint a hagyom\u00e1nyos FFT.<\/li>\n<li><strong>Id\u0151ig\u00e9ny:<\/strong> ez a szok\u00e1sos m\u00e9r\u00e9sen fel\u00fcl v\u00e9gzett kieg\u00e9sz\u00edt\u0151 m\u00e9r\u00e9s, amelynek be\u00e1ll\u00edt\u00e1sa \u00e9s param\u00e9tereinek kiv\u00e1laszt\u00e1sa ink\u00e1bb kritikus g\u00e9pek vagy m\u00e1r meger\u0151s\u00edtett probl\u00e9m\u00e1k eset\u00e9n indokolt, mint rutinszer\u0171 felm\u00e9r\u00e9sek sor\u00e1n.<\/li>\n<\/ul>\n<h2>8. Zoom FFT a gyakorlatban<\/h2>\n<p>B\u00e1r a legm\u00e9lyebb elemz\u00e9sre gyakran csak az \u00e1lland\u00f3an m\u0171szerekkel felszerelt kritikus g\u00e9pek eset\u00e9ben ker\u00fcl sor, ez az elv a hordozhat\u00f3 diagnosztikai eszk\u00f6z\u00f6kn\u00e9l is felbecs\u00fclhetetlen \u00e9rt\u00e9k\u0171. Egy rutin <a href=\"https:\/\/vibromera.eu\/hu\/glossary\/terepkiegyenlites\/\">helysz\u00edni kiegyens\u00falyoz\u00e1s<\/a> felm\u00e9r\u00e9s, egy k\u00e9tcsatorn\u00e1s analiz\u00e1tor, p\u00e9ld\u00e1ul a <a href=\"https:\/\/vibromera.eu\/hu\/termek\/balanset-1\/\">Balanset-1A<\/a> lehet\u0151v\u00e9 teszi a m\u00e9rn\u00f6k sz\u00e1m\u00e1ra, hogy kib\u0151v\u00edtse a spektrum gyan\u00fas tartom\u00e1ny\u00e1t \u2013 mondjuk a fut\u00e1si sebess\u00e9g k\u00f6r\u00fclbel\u00fcl 1-szeres\u00e9n\u00e9l \u2013, hogy meger\u0151s\u00edtse, vajon a kiemelked\u0151 cs\u00facs val\u00f3ban tiszta-e <a href=\"https:\/\/vibromera.eu\/hu\/glossary\/imbalance\/\">kiegyens\u00falyozatlans\u00e1g<\/a> vagy az alatta rejt\u0151z\u0151 elektromos oldals\u00e1vok halmaza. Ez a megk\u00fcl\u00f6nb\u00f6ztet\u00e9s d\u00f6nti el, hogy a hiba kijav\u00edt\u00e1sa egyens\u00faly-be\u00e1ll\u00edt\u00e1st vagy a motor jav\u00edt\u00e1s\u00e1t ig\u00e9nyli-e, ez\u00e9rt is olyan hasznos, ha a helysz\u00ednen k\u00e9pesek vagyunk a szorosan egym\u00e1s mellett elhelyezked\u0151 cs\u00facsokat megk\u00fcl\u00f6nb\u00f6ztetni.<\/p>\n<p>R\u00f6viden \u00f6sszefoglalva: a zoom FFT egy hat\u00e9kony spektr\u00e1lis eszk\u00f6z, amely biztos\u00edtja a sz\u00fcks\u00e9ges felbont\u00e1st ahhoz, hogy elk\u00fcl\u00f6n\u00edts\u00fck a motor elektromos meghib\u00e1sod\u00e1sai, a hajt\u00f3m\u0171 hib\u00e1i \u00e9s a csap\u00e1gyprobl\u00e9m\u00e1k m\u00f6g\u00f6tt megb\u00fav\u00f3, egym\u00e1shoz szorosan kapcsol\u00f3d\u00f3 komponenseket. Az, hogy tudjuk, mikor kell ezt az eszk\u00f6zt haszn\u00e1lni, hogyan v\u00e1lasszuk ki a k\u00f6z\u00e9ppontot \u00e9s a tartom\u00e1nyt, valamint hogyan \u00e9rtelmezz\u00fck az \u00edgy kapott nagy felbont\u00e1s\u00fa spektrumot, a halad\u00f3 szint\u0171 szak\u00e9rtelem egyik jellemz\u0151je <a href=\"https:\/\/vibromera.eu\/hu\/glossary\/vibration-analysis\/\">rezg\u00e9selemz\u00e9s<\/a> valamint a komplex g\u00e9pek r\u00e9szletes hibadiagnosztik\u00e1ja.<\/p>\n<hr>\n<p><a href=\"https:\/\/vibromera.eu\/hu\/glossary\/\">\u2190 Vissza a f\u0151 tartalomjegyz\u00e9khez<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Ismerje meg a zoom FFT-t, egy spektr\u00e1lis anal\u00edzis technik\u00e1t, amely nagy frekvenciafelbont\u00e1st biztos\u00edt kiv\u00e1lasztott keskeny s\u00e1vokban, \u00e9s elengedhetetlen a k\u00f6zeli cs\u00facsok felbont\u00e1s\u00e1hoz \u00e9s az oldals\u00e1vok elemz\u00e9s\u00e9hez.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[114,109],"tags":[],"class_list":["post-313","glossary","type-glossary","status-publish","hentry","category-analysis","category-glossary"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/hu\/wp-json\/wp\/v2\/glossary\/313","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vibromera.eu\/hu\/wp-json\/wp\/v2\/glossary"}],"about":[{"href":"https:\/\/vibromera.eu\/hu\/wp-json\/wp\/v2\/types\/glossary"}],"version-history":[{"count":2,"href":"https:\/\/vibromera.eu\/hu\/wp-json\/wp\/v2\/glossary\/313\/revisions"}],"predecessor-version":[{"id":102165,"href":"https:\/\/vibromera.eu\/hu\/wp-json\/wp\/v2\/glossary\/313\/revisions\/102165"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/hu\/wp-json\/wp\/v2\/media?parent=313"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/hu\/wp-json\/wp\/v2\/categories?post=313"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/hu\/wp-json\/wp\/v2\/tags?post=313"}],"curies":[{"name":"munkaf\u00fczet","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}