{"id":278,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/transfer-function\/"},"modified":"2026-05-23T22:40:04","modified_gmt":"2026-05-23T22:40:04","slug":"transfer-function","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/vi\/glossary\/transfer-function\/","title":{"rendered":"H\u00e0m truy\u1ec1n l\u00e0 g\u00ec? \u0110\u1eb7c t\u00ednh \u0111\u00e1p \u1ee9ng c\u1ee7a h\u1ec7 th\u1ed1ng"},"content":{"rendered":"<h1>Hi\u1ec3u r\u00f5 H\u00e0m Truy\u1ec1n \u0111\u1ea1t<\/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\/vi\/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\/vi\/product\/balanset-1\/\" title=\"M\u00e1y c\u00e2n b\u1eb1ng di \u0111\u1ed9ng &amp; M\u00e1y ph\u00e2n t\u00edch rung \u0111\u1ed9ng 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=\"B\u1ed9 \u0111\u1ea7y \u0111\u1ee7 m\u00e1y c\u00e2n b\u1eb1ng v\u00e0 ph\u00e2n t\u00edch rung \u0111\u1ed9ng c\u1ea7m tay Balanset-1A\" 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\/vi\/product-category\/devices\/\" rel=\"tag\">Thi\u1ebft b\u1ecb<\/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\/vi\/product\/balanset-1\/\" title=\"M\u00e1y c\u00e2n b\u1eb1ng di \u0111\u1ed9ng &amp; M\u00e1y ph\u00e2n t\u00edch rung \u0111\u1ed9ng Balanset-1A\">M\u00e1y c\u00e2n b\u1eb1ng di \u0111\u1ed9ng &amp; M\u00e1y ph\u00e2n t\u00edch rung \u0111\u1ed9ng 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> + Thu\u1ebf GTGT (n\u1ebfu c\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=\"\/vi\/wp-json\/wp\/v2\/glossary\/278?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=\"Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng\" 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=\"\/vi\/wp-json\/wp\/v2\/glossary\/278?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=\"Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng: \u201cPortable balancer &amp; Vibration analyzer Balanset-1A\u201d\" rel=\"nofollow\" data-success_message=\"\u201cPortable balancer &amp; Vibration analyzer Balanset-1A\u201d \u0111\u00e3 \u0111\u01b0\u1ee3c th\u00eam v\u00e0o gi\u1ecf h\u00e0ng c\u1ee7a b\u1ea1n\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng<\/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\/vi\/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\/vi\/product\/vibration-sensor\/\" title=\"C\u1ea3m bi\u1ebfn rung\">\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=\"C\u1eadn c\u1ea3nh c\u1ea3m bi\u1ebfn rung Balanset-1A\" 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\/vi\/product-category\/parts\/\" rel=\"tag\">Ph\u1ee5 t\u00f9ng<\/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\/vi\/product\/vibration-sensor\/\" title=\"C\u1ea3m bi\u1ebfn rung\">C\u1ea3m bi\u1ebfn rung<\/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> + Thu\u1ebf GTGT (n\u1ebfu c\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=\"\/vi\/wp-json\/wp\/v2\/glossary\/278?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=\"Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng\" 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=\"\/vi\/wp-json\/wp\/v2\/glossary\/278?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=\"Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng: \u201cVibration sensor\u201d\" rel=\"nofollow\" data-success_message=\"\u201cVibration sensor\u201d \u0111\u00e3 \u0111\u01b0\u1ee3c th\u00eam v\u00e0o gi\u1ecf h\u00e0ng c\u1ee7a b\u1ea1n\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng<\/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\/vi\/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\/vi\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"C\u1ea3m bi\u1ebfn quang h\u1ecdc (M\u00e1y \u0111o t\u1ed1c \u0111\u1ed9 laser)\">\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=\"C\u1ea3m bi\u1ebfn quang h\u1ecdc (M\u00e1y \u0111o t\u1ed1c \u0111\u1ed9 laser)\" 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\/vi\/product-category\/parts\/\" rel=\"tag\">Ph\u1ee5 t\u00f9ng<\/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\/vi\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"C\u1ea3m bi\u1ebfn quang h\u1ecdc (M\u00e1y \u0111o t\u1ed1c \u0111\u1ed9 laser)\">C\u1ea3m bi\u1ebfn quang h\u1ecdc (M\u00e1y \u0111o t\u1ed1c \u0111\u1ed9 laser)<\/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> + Thu\u1ebf GTGT (n\u1ebfu c\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=\"\/vi\/wp-json\/wp\/v2\/glossary\/278?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=\"Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng\" 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=\"\/vi\/wp-json\/wp\/v2\/glossary\/278?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=\"Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng: \u201cOptical Sensor (Laser Tachometer)\u201d\" rel=\"nofollow\" data-success_message=\"\u201cOptical Sensor (Laser Tachometer)\u201d \u0111\u00e3 \u0111\u01b0\u1ee3c th\u00eam v\u00e0o gi\u1ecf h\u00e0ng c\u1ee7a b\u1ea1n\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng<\/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\/vi\/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\/vi\/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=\"B\u1ed9 d\u1ee5ng c\u1ee5 c\u00e2n b\u1eb1ng r\u00f4to Vibromera: h\u1ed9p \u0111\u1ef1ng, b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh t\u00edn hi\u1ec7u \u0111a k\u00eanh, m\u00e1y ph\u00e2n t\u00edch c\u1ea7m tay, \u0111\u1ebf t\u1eeb, c\u1ea3m bi\u1ebfn rung v\u00e0 d\u00e2y c\u00e1p xo\u1eafn.\" 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\/vi\/product-category\/devices\/\" rel=\"tag\">Thi\u1ebft b\u1ecb<\/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\/vi\/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> + Thu\u1ebf GTGT (n\u1ebfu c\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=\"\/vi\/wp-json\/wp\/v2\/glossary\/278?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=\"Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng\" 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=\"\/vi\/wp-json\/wp\/v2\/glossary\/278?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=\"Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng: \u201cBalanset-4\u201d\" rel=\"nofollow\" data-success_message=\"\u201cBalanset-4\u201d \u0111\u00e3 \u0111\u01b0\u1ee3c th\u00eam v\u00e0o gi\u1ecf h\u00e0ng c\u1ee7a b\u1ea1n\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng<\/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\/vi\/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\/vi\/product\/magnet-stand\/\" title=\"\u0110\u1ebf t\u1eeb 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=\"\u0110\u1ebf nam ch\u00e2m.\" 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\/vi\/product-category\/parts\/\" rel=\"tag\">Ph\u1ee5 t\u00f9ng<\/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\/vi\/product\/magnet-stand\/\" title=\"\u0110\u1ebf t\u1eeb Insize-60-kgf\">\u0110\u1ebf t\u1eeb 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> + Thu\u1ebf GTGT (n\u1ebfu c\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=\"\/vi\/wp-json\/wp\/v2\/glossary\/278?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=\"Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng\" 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=\"\/vi\/wp-json\/wp\/v2\/glossary\/278?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=\"Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng: \u201cMagnetic Stand Insize-60-kgf\u201d\" rel=\"nofollow\" data-success_message=\"\u201cMagnetic Stand Insize-60-kgf\u201d \u0111\u00e3 \u0111\u01b0\u1ee3c th\u00eam v\u00e0o gi\u1ecf h\u00e0ng c\u1ee7a b\u1ea1n\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng<\/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\/vi\/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\/vi\/product\/reflective-tape\/\" title=\"B\u0103ng ph\u1ea3n quang\">\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=\"B\u0103ng ph\u1ea3n quang\" 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\/vi\/product-category\/parts\/\" rel=\"tag\">Ph\u1ee5 t\u00f9ng<\/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\/vi\/product\/reflective-tape\/\" title=\"B\u0103ng ph\u1ea3n quang\">B\u0103ng ph\u1ea3n quang<\/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> + Thu\u1ebf GTGT (n\u1ebfu c\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=\"\/vi\/wp-json\/wp\/v2\/glossary\/278?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=\"Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng\" 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=\"\/vi\/wp-json\/wp\/v2\/glossary\/278?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=\"Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng: \u201cReflective tape\u201d\" rel=\"nofollow\" data-success_message=\"\u201cReflective tape\u201d \u0111\u00e3 \u0111\u01b0\u1ee3c th\u00eam v\u00e0o gi\u1ecf h\u00e0ng c\u1ee7a b\u1ea1n\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng<\/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\/vi\/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\/vi\/product\/dynamic-balancer-balanset-1a\/\" title=\"M\u00e1y c\u00e2n b\u1eb1ng \u0111\u1ed9ng \u201cBalanset-1A\u201d 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=\"N\u1ed9i dung b\u1ed9 s\u1ea3n ph\u1ea9m Balanset-1A bao g\u1ed3m thi\u1ebft b\u1ecb giao di\u1ec7n, c\u1ea3m bi\u1ebfn, m\u00e1y \u0111o t\u1ed1c \u0111\u1ed9 v\u00e0 c\u00e1c ph\u1ee5 ki\u1ec7n\" 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\/vi\/product-category\/devices\/\" rel=\"tag\">Thi\u1ebft b\u1ecb<\/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\/vi\/product\/dynamic-balancer-balanset-1a\/\" title=\"M\u00e1y c\u00e2n b\u1eb1ng \u0111\u1ed9ng \u201cBalanset-1A\u201d OEM\">M\u00e1y c\u00e2n b\u1eb1ng \u0111\u1ed9ng \u201cBalanset-1A\u201d 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> + Thu\u1ebf GTGT (n\u1ebfu c\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=\"\/vi\/wp-json\/wp\/v2\/glossary\/278?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=\"Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng\" 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=\"\/vi\/wp-json\/wp\/v2\/glossary\/278?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=\"Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng: \u201cDynamic balancer \u201cBalanset-1A\u201d OEM\u201d\" rel=\"nofollow\" data-success_message=\"\u201cDynamic balancer \u201cBalanset-1A\u201d OEM\u201d \u0111\u00e3 \u0111\u01b0\u1ee3c th\u00eam v\u00e0o gi\u1ecf h\u00e0ng c\u1ee7a b\u1ea1n\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng<\/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>A <strong>h\u00e0m truy\u1ec1n<\/strong> \u2014 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng g\u1ea7n nh\u01b0 thay th\u1ebf cho <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/frequency-response-function\/\">h\u00e0m \u0111\u00e1p \u1ee9ng t\u1ea7n s\u1ed1 (FRF)<\/a> trong c\u00f4ng vi\u1ec7c rung \u0111\u1ed9ng \u2014 l\u00e0 m\u1ed9t h\u00e0m gi\u00e1 tr\u1ecb ph\u1ee9c t\u1ea1p m\u00f4 t\u1ea3 c\u00e1ch m\u1ed9t h\u1ec7 th\u1ed1ng c\u01a1 h\u1ecdc ph\u1ea3n \u1ee9ng v\u1edbi l\u1ef1c \u0111\u1ea7u v\u00e0o ho\u1eb7c chuy\u1ec3n \u0111\u1ed9ng tr\u00ean to\u00e0n b\u1ed9 t\u1ea7n s\u1ed1. V\u1ec1 m\u1eb7t to\u00e1n h\u1ecdc, n\u00f3 l\u00e0 t\u1ef7 l\u1ec7 c\u1ee7a \u0111\u1ea7u ra \u0111\u1ebfn \u0111\u1ea7u v\u00e0o \u1edf m\u1ed7i t\u1ea7n s\u1ed1, <em>H(f) = Output(f) \/ Input(f)<\/em>, mang c\u1ea3 th\u00f4ng tin bi\u00ean \u0111\u1ed9 (h\u1ec7 th\u1ed1ng khu\u1ebfch \u0111\u1ea1i ho\u1eb7c suy gi\u1ea3m bao nhi\u00eau) v\u00e0 <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/phase\/\">pha<\/a> th\u00f4ng tin (\u0111\u1ed9 tr\u1ec5 th\u1eddi gian v\u00e0 h\u00e0nh vi c\u1ed9ng h\u01b0\u1edfng). Trong khi m\u1ed9t <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/spectrum\/\">ph\u1ed5 rung \u0111\u1ed9ng<\/a> cho b\u1ea1n bi\u1ebft m\u1ed9t m\u00e1y <em>l\u00e0<\/em> \u0111ang l\u00e0m g\u00ec, h\u00e0m truy\u1ec1n cho b\u1ea1n bi\u1ebft n\u00f3 <em>s\u1ebd<\/em> s\u1ebd l\u00e0m g\u00ec khi ph\u1ea3n \u1ee9ng v\u1edbi b\u1ea5t k\u1ef3 k\u00edch th\u00edch n\u00e0o.<\/p>\n<p>S\u1ef1 ph\u00e2n bi\u1ec7t \u0111\u00f3 l\u00e0 nh\u1eefng g\u00ec l\u00e0m cho h\u00e0m truy\u1ec1n tr\u1edf n\u00ean m\u1ea1nh m\u1ebd. N\u00f3 \u0111\u1eb7c tr\u01b0ng cho c\u00e1c thu\u1ed9c t\u00ednh c\u1ed1 h\u1eefu c\u1ee7a m\u1ed9t c\u1ea5u tr\u00fac \u2014 c\u1ee7a n\u00f3 <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/natural-frequency\/\">t\u1ea7n s\u1ed1 t\u1ef1 nhi\u00ean<\/a>, <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/damping\/\">gi\u1ea3m ch\u1ea5n<\/a>, <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/stiffness\/\">\u0111\u1ed9 c\u1ee9ng<\/a>, V\u00e0 <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/mode-shape\/\">h\u00ecnh d\u1ea1ng ch\u1ebf \u0111\u1ed9<\/a> \u2014 \u0111\u1ed9c l\u1eadp v\u1edbi b\u1ea5t k\u1ef3 l\u1ef1c n\u00e0o t\u00ecnh c\u1edd xu\u1ea5t hi\u1ec7n trong qu\u00e1 tr\u00ecnh v\u1eadn h\u00e0nh. \u0110i\u1ec1u n\u00e0y l\u00e0m cho n\u00f3 tr\u1edf th\u00e0nh x\u01b0\u01a1ng s\u1ed1ng c\u1ee7a <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/modal-analysis\/\">ph\u00e2n t\u00edch modal<\/a>, d\u1ef1 \u0111o\u00e1n s\u1eeda \u0111\u1ed5i k\u1ebft c\u1ea5u, <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/resonance\/\">s\u1ef1 c\u1ed9ng h\u01b0\u1edfng<\/a> ch\u1ea9n \u0111o\u00e1n, v\u00e0 thi\u1ebft k\u1ebf c\u00e1ch ly rung \u0111\u1ed9ng.<\/p>\n<h2>1. C\u00f4ng th\u1ee9c to\u00e1n h\u1ecdc<\/h2>\n<p>\u0110\u1ecbnh ngh\u0129a c\u01a1 b\u1ea3n ch\u1ec9 \u0111\u01a1n gi\u1ea3n l\u00e0 t\u1ef7 l\u1ec7 c\u1ee7a hai ph\u1ed5 \u0111\u01b0\u1ee3c \u0111o \u0111\u1ed3ng th\u1eddi: <strong>H(f) = Y(f) \/ X(f)<\/strong>, trong \u0111\u00f3 Y(f) l\u00e0 ph\u1ed5 \u0111\u1ea7u ra (ph\u1ea3n \u1ee9ng) v\u00e0 X(f) l\u00e0 ph\u1ed5 \u0111\u1ea7u v\u00e0o (k\u00edch th\u00edch).<\/p>\n<h3>B\u1ed9 \u01af\u1edbc t\u00ednh Ph\u1ed5 Ch\u00e9o<\/h3>\n<p>Trong th\u1ebf gi\u1edbi th\u1ef1c, c\u1ea3 hai t\u00edn hi\u1ec7u \u0111\u1ec1u ch\u1ee9a nhi\u1ec5u, v\u00ec v\u1eady ph\u00e9p chia ng\u00e2y th\u01a1 s\u1ebd khu\u1ebfch \u0111\u1ea1i l\u1ed7i. C\u00f4ng c\u1ee5 \u01b0\u1edbc t\u00ednh th\u1ef1c t\u1ebf ti\u00eau chu\u1ea9n thay v\u00e0o \u0111\u00f3 s\u1eed d\u1ee5ng trung b\u00ecnh quang ph\u1ed5: <strong>H(f) = G<sub>xy<\/sub>(f) \/ G<sub>xx<\/sub>(f)<\/strong>, trong \u0111\u00f3 G<sub>xy<\/sub> l\u00e0 <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/cross-spectrum\/\">ph\u1ed5 ch\u00e9o<\/a> gi\u1eefa \u0111\u1ea7u v\u00e0o v\u00e0 \u0111\u1ea7u ra v\u00e0 G<sub>xx<\/sub> l\u00e0 <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/auto-spectrum\/\">ph\u1ed5 t\u1ef1<\/a> c\u1ee7a \u0111\u1ea7u v\u00e0o. V\u00ec nhi\u1ec5u kh\u00f4ng t\u01b0\u01a1ng quan tr\u00ean \u0111\u1ea7u ra trung b\u00ecnh v\u1ec1 ph\u00eda kh\u00f4ng trong ph\u1ed5 ch\u00e9o, h\u00ecnh th\u1ee9c n\u00e0y (c\u00f4ng c\u1ee5 \u01b0\u1edbc t\u00ednh &#8220;H1&#8221;) lo\u1ea1i b\u1ecf sai l\u1ec7ch t\u1eeb nhi\u1ec5u \u0111\u1ea7u ra v\u00e0 l\u00e0 ph\u01b0\u01a1ng ph\u00e1p \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong th\u1ef1c t\u1ebf.<\/p>\n<h3>B\u1ed1n th\u00e0nh ph\u1ea7n<\/h3>\n<p>L\u00e0 m\u1ed9t h\u00e0m c\u00f3 gi\u00e1 tr\u1ecb ph\u1ee9c, h\u00e0m truy\u1ec1n c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c xem b\u1ed1n c\u00e1ch, m\u1ed7i c\u00e1ch nh\u1ea5n m\u1ea1nh m\u1ed9t \u0111i\u1ec1u kh\u00e1c nhau:<\/p>\n<ul>\n<li><strong>\u0110\u1ed9 l\u1edbn |H(f)|:<\/strong> h\u1ec7 s\u1ed1 khu\u1ebfch \u0111\u1ea1i \u1edf m\u1ed7i t\u1ea7n s\u1ed1.<\/li>\n<li><strong>Pha \u2220H(f):<\/strong> \u0111\u1ed9 tr\u1ec5 pha c\u1ee7a \u0111\u1ea7u ra so v\u1edbi \u0111\u1ea7u v\u00e0o.<\/li>\n<li><strong>Ph\u1ea7n th\u1ef1c:<\/strong> th\u00e0nh ph\u1ea7n \u0111\u1ed3ng pha c\u1ee7a ph\u1ea3n \u1ee9ng.<\/li>\n<li><strong>Ph\u1ea7n \u1ea3o:<\/strong> th\u00e0nh ph\u1ea7n g\u00f3c ph\u1ea7n t\u01b0 (90\u00b0), nh\u1eefng \u0111\u1ec9nh c\u1ee7a ch\u00fang \u0111\u00e1nh d\u1ea5u r\u1ea5t g\u1ecdn c\u00e1c c\u1ed9ng h\u01b0\u1edfng.<\/li>\n<\/ul>\n<h2>2. \u00dd Ngh\u0129a V\u1eadt L\u00fd \u2014 \u0110\u1ecdc Bi\u00ean \u0110\u1ed9 v\u00e0 Pha<\/h2>\n<h3>Bi\u00ean \u0110\u1ed9 Cho B\u1ea1n Bi\u1ebft \u0110i\u1ec1u G\u00ec<\/h3>\n<ul>\n<li><strong>|H| &gt; 1:<\/strong> h\u1ec7 th\u1ed1ng khu\u1ebfch \u0111\u1ea1i t\u1ea1i t\u1ea7n s\u1ed1 n\u00e0y \u2014 v\u00f9ng c\u1ed9ng h\u01b0\u1edfng.<\/li>\n<li><strong>|H| = 1:<\/strong> \u0111\u1ea7u ra b\u1eb1ng \u0111\u1ea7u v\u00e0o, ph\u1ea3n h\u1ed3i trung l\u1eadp.<\/li>\n<li><strong>|H| &lt; 1:<\/strong> h\u1ec7 th\u1ed1ng suy gi\u1ea3m, nh\u01b0 trong c\u00e1ch c\u00e1ch hi\u1ec7u qu\u1ea3 ho\u1eb7c ho\u1ea1t \u0111\u1ed9ng xa kh\u1ecfi c\u1ed9ng h\u01b0\u1edfng.<\/li>\n<li><strong>\u0110\u1ec9nh<\/strong> x\u1ea3y ra \u1edf t\u1ea7n s\u1ed1 t\u1ef1 nhi\u00ean, v\u00e0 <strong>chi\u1ec1u cao<\/strong> \u0111\u01b0\u1ee3c chi ph\u1ed1i b\u1edfi c\u1ea3n ch\u1ebf \u2014 c\u00e0ng cao v\u00e0 nh\u1ecdn \u0111\u1ec9nh, c\u1ea3n ch\u1ebf c\u00e0ng th\u1ea5p.<\/li>\n<\/ul>\n<h3>Pha Cho B\u1ea1n Bi\u1ebft \u0110i\u1ec1u G\u00ec<\/h3>\n<p>Pha l\u00e0 ch\u1ec9 b\u00e1o c\u1ed9ng h\u01b0\u1edfng \u0111\u00e1ng tin c\u1eady h\u01a1n, b\u1edfi v\u00ec n\u00f3 ho\u1ea1t \u0111\u1ed9ng gi\u1ed1ng nhau b\u1ea5t k\u1ec3 bi\u1ec3u \u0111\u1ed3 \u0111\u01b0\u1ee3c t\u1ef7 l\u1ec7 nh\u01b0 th\u1ebf n\u00e0o:<\/p>\n<ul>\n<li><strong>0\u00b0:<\/strong> \u0111\u1ea7u ra \u0111\u1ed3ng pha v\u1edbi \u0111\u1ea7u v\u00e0o \u2014 v\u00f9ng ki\u1ec3m so\u00e1t \u0111\u1ed9 c\u1ee9ng, d\u01b0\u1edbi c\u1ed9ng h\u01b0\u1edfng.<\/li>\n<li><strong>90\u00b0:<\/strong> \u0111\u1ea7u ra tr\u1ec5 m\u1ed9t ph\u1ea7n t\u01b0 chu k\u1ef3 \u2014 ch\u00ednh x\u00e1c \u1edf c\u1ed9ng h\u01b0\u1edfng.<\/li>\n<li><strong>180\u00b0:<\/strong> \u0111\u1ea7u ra \u0111\u1ed1i l\u1eadp ch\u00ednh x\u00e1c v\u1edbi \u0111\u1ea7u v\u00e0o \u2014 v\u00f9ng ki\u1ec3m so\u00e1t kh\u1ed1i l\u01b0\u1ee3ng, tr\u00ean c\u1ed9ng h\u01b0\u1edfng.<\/li>\n<\/ul>\n<p>D\u1ea5u hi\u1ec7u \u0111\u1eb7c tr\u01b0ng c\u1ee7a c\u1ed9ng h\u01b0\u1edfng th\u1ef1c l\u00e0 s\u1ef1 d\u1ecbch chuy\u1ec3n pha 180\u00b0 \u0111\u1eb7c tr\u01b0ng n\u00e0y khi t\u1ea7n s\u1ed1 qu\u00e9t t\u1eeb d\u01b0\u1edbi \u0111\u1ec9nh l\u00ean tr\u00ean n\u00f3; m\u1ed9t gai bi\u00ean \u0111\u1ed9 m\u00e0 kh\u00f4ng c\u00f3 s\u1ef1 thay \u0111\u1ed5i pha k\u00e8m theo th\u01b0\u1eddng l\u00e0 th\u1ee9 g\u00ec kh\u00e1c.<\/p>\n<h2>3. C\u00e1ch \u0110o H\u00e0m Truy\u1ec1n<\/h2>\n<h3>Ki\u1ec3m tra va \u0111\u1eadp (Bump Test)<\/h3>\n<p>Ph\u01b0\u01a1ng ph\u00e1p ph\u1ed5 bi\u1ebfn nh\u1ea5t tr\u00ean m\u00e1y m\u00f3c \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t l\u00e0 <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/bump-test\/\">ki\u1ec3m tra va ch\u1ea1m<\/a>: t\u00e1c \u0111\u1ed9ng v\u00e0o c\u1ea5u tr\u00fac b\u1eb1ng b\u00faa \u0111\u01b0\u1ee3c l\u1eafp thi\u1ebft b\u1ecb \u0111o (\u0111o l\u1ef1c \u0111\u1ea7u v\u00e0o) trong khi <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/accelerometer\/\">c\u1ea3m bi\u1ebfn gia t\u1ed1c<\/a> ghi l\u1ea1i ph\u1ea3n \u1ee9ng. N\u00f3 nhanh ch\u00f3ng v\u00e0 kh\u00f4ng c\u1ea7n thi\u1ebft b\u1ecb ngo\u00e0i b\u00faa v\u00e0 c\u1ea3m bi\u1ebfn, m\u1eb7c d\u00f9 m\u1ed9t t\u00e1c \u0111\u1ed9ng duy nh\u1ea5t mang l\u1ea1i vi\u1ec7c l\u1ea5y trung b\u00ecnh h\u1ea1n ch\u1ebf v\u00e0 ph\u1ed5 l\u1ef1c s\u1eed d\u1ee5ng \u0111\u01b0\u1ee3c \u0111\u01b0\u1ee3c \u0111\u1ecbnh h\u00ecnh b\u1edfi \u0111\u1ea7u b\u00faa.<\/p>\n<h3>Ki\u1ec3m tra m\u00e1y l\u1eafc<\/h3>\n<p>M\u1ed9t b\u1ed9 k\u00edch \u0111\u1ed9ng \u0111i\u1ec7n t\u1eeb \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t l\u00e1i c\u1ea5u tr\u00fac v\u1edbi k\u00edch th\u00edch ng\u1eabu nhi\u00ean, qu\u00e9t sin, ho\u1eb7c chirp, cho ph\u00e9p ki\u1ec3m so\u00e1t tuy\u1ec7t v\u1eddi c\u1ea3 m\u1ee9c l\u1ef1c v\u00e0 n\u1ed9i dung ph\u1ed5. N\u00f3 l\u00e0 ti\u00eau chu\u1ea9n v\u00e0ng cho <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/impact-testing\/\">ki\u1ec3m tra m\u00f4 h\u00ecnh<\/a> \u0111\u1ed9 ch\u00ednh x\u00e1c, v\u1edbi chi ph\u00ed c\u1ea7n ph\u1ea3i c\u00f3 ph\u1ea7n c\u1ee9ng b\u1ed9 k\u00edch \u0111\u1ed9ng chuy\u00ean d\u1ee5ng.<\/p>\n<h3>\u0110o l\u01b0\u1eddng ho\u1ea1t \u0111\u1ed9ng<\/h3>\n<p>\u1ede \u0111\u00e2y c\u00e1c l\u1ef1c ri\u00eang c\u1ee7a m\u00e1y \u0111ang ch\u1ea1y \u0111\u00f3ng vai tr\u00f2 l\u00e0 \u0111\u1ea7u v\u00e0o, n\u1eafm b\u1eaft c\u00e1c \u0111i\u1ec1u ki\u1ec7n ho\u1ea1t \u0111\u1ed9ng th\u1ef1c t\u1ebf nh\u01b0ng hy sinh ki\u1ec3m so\u00e1t \u2014 th\u00e1ch th\u1ee9c tr\u1edf th\u00e0nh x\u00e1c \u0111\u1ecbnh ho\u1eb7c \u0111o \u0111\u1ea7u v\u00e0o \u0111\u00f3, cho d\u00f9 th\u00f4ng qua m\u1ed9t \u0111\u1ed3ng h\u1ed3 \u0111o l\u1ef1c hay m\u1ed9t \u0111i\u1ec3m tham chi\u1ebfu th\u00edch h\u1ee3p.<\/p>\n<h2>4. H\u00e0m Truy\u1ec1n \u0110\u01b0\u1ee3c S\u1eed D\u1ee5ng \u1ede \u0110\u00e2u<\/h2>\n<ul>\n<li><strong>Ph\u00e2n t\u00edch ph\u01b0\u01a1ng th\u1ee9c:<\/strong> c\u00e1c gai bi\u00ean \u0111\u1ed9 x\u00e1c \u0111\u1ecbnh v\u1ecb tr\u00ed c\u00e1c t\u1ea7n s\u1ed1 t\u1ef1 nhi\u00ean, s\u1ef1 thay \u0111\u1ed5i pha x\u00e1c nh\u1eadn m\u1ed7i gai l\u00e0 c\u1ed9ng h\u01b0\u1edfng th\u1ef1c, chi\u1ec1u r\u1ed9ng gai \u0111\u1ecbnh l\u01b0\u1ee3ng c\u1ea3n ch\u1ebf, v\u00e0 k\u1ebft h\u1ee3p c\u00e1c ph\u00e9p \u0111o t\u1eeb nhi\u1ec1u \u0111i\u1ec3m \u0111\u1ec3 t\u00e1i c\u1ea5u tr\u00fac c\u00e1c h\u00ecnh d\u1ea1ng ch\u1ebf \u0111\u1ed9.<\/li>\n<li><strong>Ch\u1ea9n \u0111o\u00e1n c\u1ed9ng h\u01b0\u1edfng:<\/strong> so s\u00e1nh t\u1ea7n s\u1ed1 ho\u1ea1t \u0111\u1ed9ng v\u1edbi c\u00e1c t\u1ea7n s\u1ed1 c\u1ed9ng h\u01b0\u1edfng \u0111o \u0111\u01b0\u1ee3c \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh bi\u00ean \u0111\u1ed9 t\u00e1ch ri\u00eang v\u00e0 x\u00e1c \u0111\u1ecbnh c\u00e1c c\u1ed9ng h\u01b0\u1edfng c\u00f3 v\u1ea5n \u0111\u1ec1, h\u01b0\u1edbng d\u1eabn b\u1ea5t k\u1ef3 chi\u1ebfn l\u01b0\u1ee3c s\u1eeda \u0111\u1ed5i n\u00e0o.<\/li>\n<li><strong>Thi\u1ebft k\u1ebf c\u00e1ch ly dao \u0111\u1ed9ng:<\/strong> h\u00e0m truy\u1ec1n b\u1ed9 c\u00e1ch ly cho th\u1ea5y tr\u1ef1c ti\u1ebfp truy\u1ec1n t\u1ea3i so v\u1edbi t\u1ea7n s\u1ed1. T\u1ea7n s\u1ed1 c\u1ed9ng h\u01b0\u1edfng ri\u00eang c\u1ee7a b\u1ed9 c\u00e1ch ly xu\u1ea5t hi\u1ec7n d\u01b0\u1edbi d\u1ea1ng m\u1ed9t \u0111\u1ec9nh, v\u00e0 \u1edf ph\u00eda tr\u00ean kho\u1ea3ng 1,4\u00d7 t\u1ea7n s\u1ed1 \u0111\u00f3, ph\u1ea3n \u1ee9ng gi\u1ea3m xu\u1ed1ng d\u01b0\u1edbi \u0111\u01a1n v\u1ecb, v\u1edbi c\u00e1ch ly t\u1ed1t th\u01b0\u1eddng x\u1ea3y ra \u1edf m\u1ee9c 2\u00d7.<\/li>\n<li><strong>D\u1ef1 b\u00e1o s\u1eeda \u0111\u1ed5i k\u1ebft c\u1ea5u:<\/strong> h\u00e0m \u0111o \u0111\u01b0\u1ee3c cho ph\u00e9p c\u00e1c k\u1ef9 s\u01b0 d\u1ef1 \u0111o\u00e1n t\u00e1c \u0111\u1ed9ng c\u1ee7a vi\u1ec7c th\u00eam kh\u1ed1i l\u01b0\u1ee3ng, \u0111\u1ed9 c\u1ee9ng ho\u1eb7c gi\u1ea3m ch\u1ea5n, sau \u0111\u00f3 x\u00e1c th\u1ef1c thay \u0111\u1ed5i b\u1eb1ng so s\u00e1nh tr\u01b0\u1edbc-sau.<\/li>\n<\/ul>\n<h2>5. Di\u1ec5n gi\u1ea3i trong B\u1ed1i c\u1ea3nh M\u00e1y m\u00f3c<\/h2>\n<h3>H\u1ec7 th\u1ed1ng Rotor - \u1ed4 tr\u1ee5c<\/h3>\n<p>X\u1eed l\u00fd <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/unbalance\/\">m\u1ea5t c\u00e2n b\u1eb1ng<\/a> l\u1ef1c l\u00e0 \u0111\u1ea7u v\u00e0o v\u00e0 \u0111\u1ed9 rung v\u00f2ng bi l\u00e0 \u0111\u1ea7u ra, h\u00e0m truy\u1ec1n ti\u1ebft l\u1ed9 ch\u00ednh x\u00e1c c\u00e1ch kh\u00f4ng c\u00e2n b\u1eb1ng \u0111\u01b0\u1ee3c chuy\u1ec3n \u0111\u1ed5i th\u00e0nh \u0111\u1ed9 rung c\u00f3 th\u1ec3 \u0111o \u0111\u01b0\u1ee3c. C\u00e1c \u0111\u1ec9nh c\u1ee7a n\u00f3 n\u1eb1m \u1edf <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/critical-speed\/\">t\u1ed1c \u0111\u1ed9 t\u1edbi h\u1ea1n<\/a>, \u0111\u00f3 l\u00e0 l\u00fd do t\u1ea1i sao kh\u00e1i ni\u1ec7m n\u00e0y l\u00e0 trung t\u00e2m \u0111\u1ec3 <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/rotor-dynamics\/\">\u0111\u1ed9ng l\u1ef1c h\u1ecdc r\u00f4to<\/a> ph\u00e2n t\u00edch v\u00e0 \u0111\u1ec3 hi\u1ec3u t\u1ea1i sao m\u1ed9t roto ph\u1ea3n \u1ee9ng m\u1ea1nh m\u1ebd \u1edf m\u1ed9t s\u1ed1 t\u1ed1c \u0111\u1ed9 v\u00e0 y\u00ean t\u0129nh \u1edf nh\u1eefng t\u1ed1c \u0111\u1ed9 kh\u00e1c.<\/p>\n<h3>N\u1ec1n m\u00f3ng v\u00e0 \u0110\u01b0\u1eddng d\u1eabn Truy\u1ec1n t\u1ea3i<\/h3>\n<p>V\u1edbi \u0111\u1ed9 rung v\u00f2ng bi-v\u1ecf l\u00e0 \u0111\u1ea7u v\u00e0o v\u00e0 s\u00e0n ho\u1eb7c <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/foundation-stiffness\/\">s\u1ef1 th\u00e0nh l\u1eadp<\/a> chuy\u1ec3n \u0111\u1ed9ng l\u00e0 \u0111\u1ea7u ra, h\u00e0m truy\u1ec1n \u00e1nh x\u1ea1 \u0111\u01b0\u1eddng d\u1eabn truy\u1ec1n, ti\u1ebft l\u1ed9 c\u00e1c t\u1ea7n s\u1ed1 m\u00e0 n\u0103ng l\u01b0\u1ee3ng truy\u1ec1n t\u1ea3i d\u1ec5 d\u00e0ng nh\u1ea5t v\u00e0o c\u1ea5u tr\u00fac v\u00e0 h\u01b0\u1edbng d\u1eabn c\u00e1c quy\u1ebft \u0111\u1ecbnh v\u1ec1 c\u00e1ch ly ho\u1eb7c c\u1ee9ng h\u00f3a.<\/p>\n<h3>\u1ee8ng d\u1ee5ng c\u1ee7a c\u00e1c thi\u1ebft b\u1ecb \u0111o l\u01b0\u1eddng t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng<\/h3>\n<p>Suy ngh\u0129 n\u00e0y \u0111\u1ecbnh h\u00ecnh c\u00f4ng vi\u1ec7c th\u1ef1c \u0111\u1ecba h\u00e0ng ng\u00e0y ngay c\u1ea3 khi kh\u00f4ng c\u00f3 FRF ch\u00ednh th\u1ee9c n\u00e0o \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n. Trong <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/field-balancing\/\">c\u00e2n b\u1eb1ng t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng<\/a>, m\u1ed9t b\u1ed9 ph\u00e2n t\u00edch hai k\u00eanh di \u0111\u1ed9ng nh\u01b0 <a href=\"https:\/\/vibromera.eu\/vi\/san-pham\/balanset-1\/\">Balanset-1A<\/a> \u0111o ph\u1ea3n \u1ee9ng bi\u00ean \u0111\u1ed9 v\u00e0 pha 1\u00d7 c\u1ee7a roto \u0111\u1ed1i v\u1edbi m\u1ed9t <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/trial-weight\/\">tr\u1ecdng l\u01b0\u1ee3ng th\u1eed nghi\u1ec7m<\/a> v\u00e0 c\u00f3 hi\u1ec7u l\u1ef1c x\u00e2y d\u1ef1ng m\u1ed9t h\u00e0m truy\u1ec1n t\u1ea7n s\u1ed1 \u0111\u01a1n \u2014 <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/influence-coefficient\/\">H\u1ec7 s\u1ed1 \u1ea3nh h\u01b0\u1edfng<\/a> \u2014 cho ph\u00e9p ph\u1ea7n m\u1ec1m bi\u1ebft ch\u00ednh x\u00e1c c\u00e1ch roto ph\u1ea3n \u1ee9ng v\u1edbi kh\u1ed1i l\u01b0\u1ee3ng \u1edf m\u1ed7i m\u1eb7t ph\u1eb3ng, v\u00e0 do \u0111\u00f3 c\u00e1ch s\u1eeda ch\u1eefa n\u00f3.<\/p>\n<h3>X\u00e1c th\u1ef1c Ch\u1ea5t l\u01b0\u1ee3ng b\u1eb1ng Coherence<\/h3>\n<p>M\u1ed9t h\u00e0m truy\u1ec1n ch\u1ec9 \u0111\u00e1ng tin c\u1eady n\u1ebfu \u0111\u1ea7u v\u00e0o v\u00e0 \u0111\u1ea7u ra th\u1ef1c s\u1ef1 c\u00f3 li\u00ean quan, v\u00e0 <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/coherence\/\">\u0111\u1ed9 t\u01b0\u01a1ng quan<\/a> l\u00e0 ch\u1ec9 s\u1ed1 x\u00e1c nh\u1eadn n\u00f3. T\u00ednh k\u1ebft h\u1ee3p \u1edf m\u1ee9c kho\u1ea3ng 0,9 cho th\u1ea5y m\u1ed9t h\u00e0m \u0111\u00e1ng tin c\u1eady; t\u00ednh k\u1ebft h\u1ee3p th\u1ea5p c\u1ea3nh b\u00e1o v\u1ec1 ph\u00e9p \u0111o k\u00e9m ho\u1eb7c nhi\u1ec5u kh\u00f4ng t\u01b0\u01a1ng quan \u2014 v\u00ec v\u1eady n\u00f3 ph\u1ea3i lu\u00f4n \u0111\u01b0\u1ee3c ki\u1ec3m tra tr\u01b0\u1edbc khi b\u1ea5t k\u1ef3 h\u00e0m truy\u1ec1n n\u00e0o \u0111\u01b0\u1ee3c d\u1ef1a v\u00e0o.<\/p>\n<p>H\u00e0m truy\u1ec1n \u0111\u1ea1t l\u00e0 m\u1ed9t trong nh\u1eefng c\u00f4ng c\u1ee5 ph\u00e2n t\u00edch m\u1ea1nh m\u1ebd nh\u1ea5t trong \u0111\u1ed9ng l\u1ef1c h\u1ecdc m\u00e1y m\u00f3c, l\u00e0m r\u00f5 m\u1ed1i quan h\u1ec7 v\u00e0o-ra c\u01a1 b\u1ea3n c\u1ee7a m\u1ed9t c\u1ea5u tr\u00fac th\u00e0nh m\u1ed9t h\u00e0m ph\u1ee9c t\u1ea1p \u0111\u01a1n l\u1ebb. N\u1eafm v\u1eefng c\u00e1ch \u0111o l\u01b0\u1eddng n\u00f3, c\u00e1ch di\u1ec5n gi\u1ea3i n\u00f3 \u2014 \u0111\u1eb7c bi\u1ec7t l\u00e0 nh\u1eadn d\u1ea1ng c\u00e1c c\u1ed9ng h\u01b0\u1edfng t\u1eeb nh\u1eefng \u0111\u1ec9nh bi\u00ean \u0111\u1ed9 v\u00e0 nh\u1eefng chuy\u1ec3n pha \u0111\u1eb7c tr\u01b0ng c\u1ee7a ch\u00fang \u2014 v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng c\u1ee7a n\u00f3 m\u1edf kh\u00f3a ph\u00e2n t\u00edch modal, ch\u1ea9n \u0111o\u00e1n c\u1ed9ng h\u01b0\u1edfng, d\u1ef1 \u0111o\u00e1n s\u1eeda \u0111\u1ed5i c\u1ea5u tr\u00fac v\u00e0 ph\u00e2n t\u00edch truy\u1ec1n tr\u1ef1c \u0111\u00f3ng l\u00ean ki\u1ec3m so\u00e1t rung \u0111\u1ed9ng n\u00e2ng cao.<\/p>\n<hr>\n<p><a href=\"https:\/\/vibromera.eu\/vi\/glossary\/\">\u2190 Quay l\u1ea1i M\u1ee5c l\u1ee5c ch\u00ednh<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>T\u00ecm hi\u1ec3u v\u1ec1 h\u00e0m truy\u1ec1n (h\u00e0m \u0111\u00e1p \u1ee9ng t\u1ea7n s\u1ed1), t\u1ef7 l\u1ec7 \u0111\u1ea7u ra\/\u0111\u1ea7u v\u00e0o cho th\u1ea5y h\u1ec7 th\u1ed1ng ph\u1ea3n \u1ee9ng v\u1edbi rung \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o, r\u1ea5t c\u1ea7n thi\u1ebft cho ph\u00e2n t\u00edch m\u00f4 th\u1ee9c v\u00e0 \u0111\u1ed9ng l\u1ef1c h\u1ecdc c\u1ea5u tr\u00fac.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[109,110],"tags":[],"class_list":["post-278","glossary","type-glossary","status-publish","hentry","category-glossary","category-vibration-diagnostics"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/glossary\/278","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/glossary"}],"about":[{"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/types\/glossary"}],"version-history":[{"count":1,"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/glossary\/278\/revisions"}],"predecessor-version":[{"id":101317,"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/glossary\/278\/revisions\/101317"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/media?parent=278"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/categories?post=278"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/tags?post=278"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}