{"id":80,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/coherence\/"},"modified":"2026-05-23T22:33:10","modified_gmt":"2026-05-23T22:33:10","slug":"coherence","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/hu\/glossary\/coherence\/","title":{"rendered":"Mi a koherencia a rezg\u00e9sanal\u00edzisben?"},"content":{"rendered":"<h1>A koherencia meg\u00e9rt\u00e9se a rezg\u00e9selemz\u00e9sben<\/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\/80?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\/80?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\/80?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\/80?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\/80?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\/80?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\/80?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\/80?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\/80?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\/80?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\/80?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\/80?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\/80?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\/80?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>Koherencia<\/strong> - m\u00e1s n\u00e9ven koherenciaf\u00fcggv\u00e9ny - egy jelfeldolgoz\u00f3 eszk\u00f6z, amelyet a k\u00f6vetkez\u0151 ter\u00fcleteken haszn\u00e1lnak <a href=\"https:\/\/vibromera.eu\/hu\/glossary\/vibration-analysis\/\">rezg\u00e9selemz\u00e9s<\/a> a k\u00e9tcsatorn\u00e1s m\u00e9r\u00e9s min\u0151s\u00e9g\u00e9nek \u00e9s \u00e9rv\u00e9nyess\u00e9g\u00e9nek meg\u00edt\u00e9l\u00e9s\u00e9hez. Ez egy 0 \u00e9s 1 k\u00f6z\u00f6tti, frekvenci\u00e1nk\u00e9nt kisz\u00e1m\u00edtott sz\u00e1m, amely megmondja, hogy a kimeneti jel mekkora h\u00e1nyada van az egyes frekvenci\u00e1kon. <a href=\"https:\/\/vibromera.eu\/hu\/glossary\/frequency\/\">frekvencia<\/a> val\u00f3ban \u00e9s line\u00e1risan a bemeneti jel \u00e1ltal okozott. A koherencia tulajdonk\u00e9ppen az elemz\u0151 bizalomm\u00e9r\u0151je: megv\u00e1laszolja a k\u00e9rd\u00e9st: \u201cMegb\u00edzhatok-e ebben a m\u00e9r\u00e9sben, vagy zaj szennyezi azt?\u201d, miel\u0151tt b\u00e1rmilyen k\u00f6vetkeztet\u00e9st levonn\u00e1nk az adatokb\u00f3l.<\/p>\n<h2>1. Defin\u00edci\u00f3: Mi a koherencia?<\/h2>\n<p>A koherencia a k\u00e9t egyidej\u0171leg m\u00e9rt jel k\u00f6z\u00f6tti line\u00e1ris ok-okozati \u00f6sszef\u00fcgg\u00e9st sz\u00e1mszer\u0171s\u00edti minden frekvenci\u00e1n a m\u00e9r\u00e9si tartom\u00e1nyban. <a href=\"https:\/\/vibromera.eu\/hu\/glossary\/spectrum\/\">spektrum<\/a>. A sk\u00e1la intuit\u00edv:<\/p>\n<ul>\n<li>A koherencia <strong>1.0<\/strong> egy adott frekvenci\u00e1n t\u00f6k\u00e9letes line\u00e1ris kapcsolatot jelent a k\u00e9t jel k\u00f6z\u00f6tt - a kimenet 100%-j\u00e9t az adott frekvenci\u00e1n a bemenet okozza.<\/li>\n<li>A koherencia <strong>0.5<\/strong> azt jelenti, hogy a kimeneti energi\u00e1nak csak 50% r\u00e9sze van line\u00e1ris kapcsolatban a bemenettel. A fennmarad\u00f3 fele m\u00e1s t\u00e9nyez\u0151kb\u0151l sz\u00e1rmazik: zaj, nemlinearit\u00e1sok vagy m\u00e1s, nem m\u00e9rt bemenetek.<\/li>\n<li>A koherencia <strong>0.0<\/strong> azt jelenti, hogy ezen a frekvenci\u00e1n a k\u00e9t jel k\u00f6z\u00f6tt semmilyen line\u00e1ris kapcsolat nincs.<\/li>\n<\/ul>\n<p>Matematikailag a koherencia az al\u00e1bbiakb\u00f3l sz\u00e1rmazik <a href=\"https:\/\/vibromera.eu\/hu\/glossary\/cross-spectrum\/\">keresztteljes\u00edtm\u00e9ny-spektr\u00e1lis s\u0171r\u0171s\u00e9g<\/a> a k\u00e9t csatorna \u00e9s a <a href=\"https:\/\/vibromera.eu\/hu\/glossary\/auto-spectrum\/\">autospektrum<\/a> mindegyikb\u0151l, normaliz\u00e1lva, hogy az eredm\u00e9ny mindig 0 \u00e9s 1 k\u00f6z\u00e9 essen. <em>\u00e1tlagolva<\/em> mennyis\u00e9g: egy \u00e9rtelmes koherencia\u00e9rt\u00e9khez t\u00f6bb m\u00e9r\u00e9si \u00e1tlagra van sz\u00fcks\u00e9g, ez\u00e9rt csak olyan t\u00f6bbcsatorn\u00e1s analiz\u00e1torral lehet el\u0151\u00e1ll\u00edtani, amely egyszerre k\u00e9t jelet k\u00e9pes felvenni.<\/p>\n<h2>2. A frekvenciav\u00e1lasz-funkci\u00f3 (FRF) m\u00e9r\u00e9sek hiteles\u00edt\u00e9se<\/h2>\n<p>A koherencia leggyakoribb \u00e9s legkritikusabb felhaszn\u00e1l\u00e1si m\u00f3dja az, hogy egy <a href=\"https:\/\/vibromera.eu\/hu\/glossary\/frequency-response-function\/\">Frekvenciav\u00e1lasz f\u00fcggv\u00e9ny (FRF)<\/a>. Amikor egy <a href=\"https:\/\/vibromera.eu\/hu\/glossary\/impact-testing\/\">\u00fct\u00e9svizsg\u00e1lat<\/a> - m\u00e1s n\u00e9ven <a href=\"https:\/\/vibromera.eu\/hu\/glossary\/bump-test\/\">bump teszt<\/a> - annak m\u00e9r\u00e9s\u00e9re, hogy egy strukt\u00fara hogyan reag\u00e1l a frekvenci\u00e1n kereszt\u00fcl, a koherencia diagram elengedhetetlen annak eld\u00f6nt\u00e9s\u00e9hez, hogy a r\u00f6gz\u00edtett adatokat \u00e9rdemes-e megtartani.<\/p>\n<ul>\n<li><strong>J\u00f3 m\u00e9r\u00e9s:<\/strong> egy \u00e9rv\u00e9nyes FRF-hez a koherenci\u00e1nak nagyon k\u00f6zel kell lennie 1,0-hoz a frekvenci\u00e1kn\u00e1l a <a href=\"https:\/\/vibromera.eu\/hu\/glossary\/resonance\/\">rezon\u00e1ns<\/a> cs\u00facsok. A magas - mondjuk 0,95 feletti - koherencia biztos\u00edtja az elemz\u0151 sz\u00e1m\u00e1ra, hogy a m\u00e9rt v\u00e1laszt val\u00f3ban a kalap\u00e1cs\u00fct\u00e9s okozta, \u00e9s nem a h\u00e1tt\u00e9rrezg\u00e9s vagy a m\u00e9r\u00e9si zaj.<\/li>\n<li><strong>Rossz m\u00e9r\u00e9s:<\/strong> ha a koherencia meredeken cs\u00f6kken egy rezonanciacs\u00facsn\u00e1l, a m\u00e9r\u00e9s gyan\u00fas. Ennek oka lehet egy rossz kalap\u00e1cs\u00fct\u00e9s, zajos k\u00f6rnyezet vagy val\u00f3ban nem line\u00e1ris szerkezeti v\u00e1lasz. A helyes l\u00e9p\u00e9s az, ha elvetj\u00fck az \u00fct\u00e9st, \u00e9s \u00fajra megpr\u00f3b\u00e1ljuk.<\/li>\n<\/ul>\n<p>Egy finoms\u00e1got nem szabad hib\u00e1nak tekinteni: a koherencia term\u00e9szetesen a <strong>anti-rezonanci\u00e1k<\/strong> - az FRF cs\u00facsok k\u00f6z\u00f6tti v\u00f6lgyek - mert a szerkezet alig mozog ott, \u00e9s a v\u00e1laszt a zaj uralja. Az alacsony koherencia ezekben a v\u00f6lgyekben norm\u00e1lis \u00e9s v\u00e1rhat\u00f3. Pontosan ez az, ami\u00e9rt a koherencia az FRF adatok mellett olvashat\u00f3 a <a href=\"https:\/\/vibromera.eu\/hu\/glossary\/modal-analysis\/\">mod\u00e1lis elemz\u00e9s<\/a>, ahol a val\u00f3di <a href=\"https:\/\/vibromera.eu\/hu\/glossary\/natural-frequency\/\">saj\u00e1tfrekvenci\u00e1k<\/a> egy g\u00e9p vagy szerkezet tiszta, megb\u00edzhat\u00f3 cs\u00facsokt\u00f3l f\u00fcgg.<\/p>\n<h2>3. Forr\u00e1s azonos\u00edt\u00e1sa<\/h2>\n<p>A koherencia azt is megmutatja, hogy az egyik g\u00e9p rezg\u00e9se a m\u00e1sik g\u00e9p rezg\u00e9s\u00e9t is kiv\u00e1ltja. Tegy\u00fck fel, hogy egy szivatty\u00fa \u00e9s egy motor k\u00f6z\u00f6s alapon m\u0171k\u00f6dik, \u00e9s azt gyan\u00edtjuk, hogy a motor r\u00e1zza a szivatty\u00fat:<\/p>\n<ul>\n<li><strong>Elj\u00e1r\u00e1s:<\/strong> helyezz\u00fcnk el egyet <a href=\"https:\/\/vibromera.eu\/hu\/glossary\/accelerometer\/\">gyorsul\u00e1sm\u00e9r\u0151<\/a> a motoron (a bemenet) \u00e9s egy m\u00e1sik a szivatty\u00fan (a kimenet), m\u00e9rje mindkett\u0151t egyszerre, \u00e9s sz\u00e1m\u00edtsa ki a k\u00f6zt\u00fck l\u00e9v\u0151 koherenci\u00e1t.<\/li>\n<li><strong>\u00c9rtelmez\u00e9s:<\/strong> ha a koherencia magas a motor <a href=\"https:\/\/vibromera.eu\/hu\/glossary\/running-speed\/\">\u00fczemi fordulatsz\u00e1m<\/a>, ez er\u0151s bizony\u00edt\u00e9k arra, hogy a rezg\u00e9s a k\u00f6z\u00f6s szerkezet\u00fck\u00f6n kereszt\u00fcl a motorr\u00f3l a szivatty\u00fara is \u00e1ttev\u0151dik. Ha a koherencia alacsony ezen a frekvenci\u00e1n, akkor a szivatty\u00fa rezg\u00e9s\u00e9t val\u00f3sz\u00edn\u0171leg a saj\u00e1t probl\u00e9m\u00e1i okozz\u00e1k - a saj\u00e1t <a href=\"https:\/\/vibromera.eu\/hu\/glossary\/unbalance\/\">kiegyens\u00falyozatlans\u00e1g<\/a> vagy <a href=\"https:\/\/vibromera.eu\/hu\/glossary\/cavitation\/\">kavit\u00e1ci\u00f3<\/a>, p\u00e9ld\u00e1ul - a motor helyett.<\/li>\n<\/ul>\n<p>Ilyen m\u00f3don alkalmazva a koherencia seg\u00edt felt\u00e9rk\u00e9pezni a rezg\u00e9s\u00e1tviteli \u00fatvonalakat, \u00e9s megakad\u00e1lyozza, hogy az elemz\u0151 a rossz g\u00e9pet keresse - ami gyakori \u00e9s k\u00f6lts\u00e9ges hiba, ha k\u00e9t \u00f6sszekapcsolt egys\u00e9g hasonl\u00f3 sebess\u00e9ggel rezeg.<\/p>\n<h2>4. A koherenci\u00e1t cs\u00f6kkent\u0151 t\u00e9nyez\u0151k<\/h2>\n<p>A koherencia\u00e9rt\u00e9ket t\u00f6bb k\u00fcl\u00f6nb\u00f6z\u0151 mechanizmus is 1,0 al\u00e1 h\u00fazhatja, \u00e9s a diagn\u00f3zis r\u00e9sze annak felismer\u00e9se, hogy melyik m\u0171k\u00f6dik:<\/p>\n<ul>\n<li><strong>M\u00e9r\u00e9si zaj:<\/strong> a bemeneti vagy kimeneti csatorn\u00e1t szennyez\u0151 idegen zaj - ez a leggyakoribb b\u0171n\u00f6s, amelyet a szenzor jobb felszerel\u00e9s\u00e9vel vagy t\u00f6bb \u00e1tlagol\u00e1ssal gyakran cs\u00f6kkenthet\u0151.<\/li>\n<li><strong>Nem line\u00e1ris rendszerek:<\/strong> a koherencia csak a <em>line\u00e1ris<\/em> kapcsolat. Ha a rendszer nem line\u00e1risan viselkedik - mert a <a href=\"https:\/\/vibromera.eu\/hu\/glossary\/looseness\/\">lazas\u00e1g<\/a>, a <a href=\"https:\/\/vibromera.eu\/hu\/glossary\/cracked-rotor\/\">reped\u00e9s<\/a>, vagy folyad\u00e9k-szerkezet k\u00f6lcs\u00f6nhat\u00e1s - a koherencia m\u00e9g akkor is alacsony lesz, ha val\u00f3di oks\u00e1gi kapcsolat \u00e1ll fenn.<\/li>\n<li><strong>Id\u0151beli k\u00e9s\u00e9sek:<\/strong> a bemeneti \u00e9s kimeneti jelek k\u00f6z\u00f6tti jelent\u0151s k\u00e9sleltet\u00e9s cs\u00f6kkenti a koherenci\u00e1t, hacsak az analiz\u00e1tor nincs \u00fagy be\u00e1ll\u00edtva, hogy figyelembe vegye azt.<\/li>\n<li><strong>Egy\u00e9b nem m\u00e9rt inputok:<\/strong> ha a kimenetet t\u00f6bb forr\u00e1s hajtja, \u00e9s csak az egyiket m\u00e9ri bemenetk\u00e9nt, a nem m\u00e9rt energia elveszett koherenciak\u00e9nt jelenik meg.<\/li>\n<\/ul>\n<h2>5. A koherencia mint min\u0151s\u00e9g-ellen\u0151rz\u00e9si eszk\u00f6z<\/h2>\n<p>A gyakorlatban a koherencia kev\u00e9sb\u00e9 diagn\u00f3zisk\u00e9nt, ink\u00e1bb kapu\u0151rk\u00e9nt m\u0171k\u00f6dik, amely minden k\u00e9tcsatorn\u00e1s adatokra \u00e9p\u00fcl\u0151 diagn\u00f3zist megv\u00e9d. Szorosan kapcsol\u00f3dik a <a href=\"https:\/\/vibromera.eu\/hu\/glossary\/transfer-function\/\">\u00e1tviteli f\u00fcggv\u00e9ny<\/a> \u00e9s a hozz\u00e1 tartoz\u00f3 FRF - az FRF azt mondja, hogy <em>hogyan<\/em> egy strukt\u00fara v\u00e1laszol, m\u00edg a koherencia azt mondja, hogy <em>mennyire kell hinni<\/em> a v\u00e1lasz minden egyes frekvenci\u00e1n. Rutinszer\u0171 mez\u0151kiegyenl\u00edt\u00e9s \u00e9s egycsatorn\u00e1s spektrummunka egy olyan hordozhat\u00f3 analiz\u00e1torral, mint a <a href=\"https:\/\/vibromera.eu\/hu\/termek\/balanset-1\/\">Balanset-1A<\/a> nincs sz\u00fcks\u00e9g koherencia diagramra, de abban a pillanatban, amikor a vizsg\u00e1lat \u00e1tmegy \u00fctk\u00f6z\u00e9svizsg\u00e1latra, rezonancia vad\u00e1szatra vagy forr\u00e1sk\u00f6vet\u00e9sre egy t\u00f6bbcsatorn\u00e1s rendszeren, a koherencia lesz az a param\u00e9ter, amely elv\u00e1lasztja a megb\u00edzhat\u00f3 eredm\u00e9nyt a f\u00e9lrevezet\u0151 eredm\u00e9nyt\u0151l. \u00d6sszefoglalva, a koherenciaf\u00fcggv\u00e9ny a fejlett rezg\u00e9sm\u00e9r\u00e9sek l\u00e9tfontoss\u00e1g\u00fa min\u0151s\u00e9gellen\u0151rz\u00e9si eszk\u00f6ze: bizalmat ad az FRF-adatok \u00e9rv\u00e9nyess\u00e9g\u00e9ben, \u00e9s seg\u00edt azonos\u00edtani azokat az utakat, amelyek ment\u00e9n a rezg\u00e9s a g\u00e9pen kereszt\u00fcl halad.<\/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>A koherenciaf\u00fcggv\u00e9ny magyar\u00e1zata, amely egy jelfeldolgoz\u00f3 eszk\u00f6z, \u00e9s a m\u00e9r\u00e9s min\u0151s\u00e9g\u00e9t, valamint k\u00e9t jel k\u00f6z\u00f6tti line\u00e1ris kapcsolatot hat\u00e1rozza meg.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[114,109],"tags":[],"class_list":["post-80","glossary","type-glossary","status-publish","hentry","category-analysis","category-glossary"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/hu\/wp-json\/wp\/v2\/glossary\/80","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":1,"href":"https:\/\/vibromera.eu\/hu\/wp-json\/wp\/v2\/glossary\/80\/revisions"}],"predecessor-version":[{"id":101276,"href":"https:\/\/vibromera.eu\/hu\/wp-json\/wp\/v2\/glossary\/80\/revisions\/101276"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/hu\/wp-json\/wp\/v2\/media?parent=80"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/hu\/wp-json\/wp\/v2\/categories?post=80"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/hu\/wp-json\/wp\/v2\/tags?post=80"}],"curies":[{"name":"munkaf\u00fczet","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}