{"id":99,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/demodulation\/"},"modified":"2026-05-23T22:18:01","modified_gmt":"2026-05-23T22:18:01","slug":"demodulation","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/vi\/glossary\/demodulation\/","title":{"rendered":"Gi\u1ea3i \u0111i\u1ec1u ch\u1ebf trong ph\u00e2n t\u00edch rung \u0111\u1ed9ng l\u00e0 g\u00ec?"},"content":{"rendered":"<h1>Hi\u1ec3u v\u1ec1 gi\u1ea3i \u0111i\u1ec1u ch\u1ebf (Ph\u00e2n t\u00edch bao)<\/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\/99?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\/99?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\/99?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\/99?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\/99?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\/99?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\/99?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\/99?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\/99?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\/99?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\/99?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\/99?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\/99?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\/99?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><strong>Gi\u1ea3i \u0111i\u1ec1u ch\u1ebf<\/strong> l\u00e0 m\u1ed9t k\u1ef9 thu\u1eadt x\u1eed l\u00fd t\u00edn hi\u1ec7u \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/vibration-analysis\/\">Ph\u00e2n t\u00edch rung \u0111\u1ed9ng<\/a> \u0111\u1ec3 ph\u00e1t hi\u1ec7n nh\u1eefng t\u00e1c \u0111\u1ed9ng l\u1eb7p l\u1ea1i t\u1ea7n s\u1ed1 th\u1ea5p \u0111\u01b0\u1ee3c \u1ea9n \u0111i m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 b\u00ean trong rung \u0111\u1ed9ng t\u1ea7n s\u1ed1 cao c\u1ee7a m\u00e1y. \u0110\u00f3 l\u00e0 \u0111\u1ed9ng l\u1ef1c \u0111\u1eb1ng sau thu\u1eadt ng\u1eef quen thu\u1ed9c h\u01a1n <strong><a href=\"https:\/\/vibromera.eu\/vi\/glossary\/envelope-analysis\/\">Ph\u00e2n t\u00edch bao t\u00edn hi\u1ec7u<\/a><\/strong>, v\u00e0 hai thu\u1eadt ng\u1eef th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng thay th\u1ebf cho nhau. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y c\u00f4 l\u1eadp m\u1ed9t d\u1ea3i rung \u0111\u1ed9ng t\u1ea7n s\u1ed1 cao ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t <em>h\u00e3ng v\u1eadn chuy\u1ec3n<\/em>, sau \u0111\u00f3 tr\u00edch xu\u1ea5t <em>phong b\u00ec<\/em> c\u1ee7a s\u00f3ng mang \u0111\u00f3 \u2014 ti\u1ebft l\u1ed9 t\u1ef7 l\u1ec7 l\u1eb7p l\u1ea1i c\u01a1 b\u1ea3n c\u1ee7a nh\u1eefng t\u00e1c \u0111\u1ed9ng tu\u1ea7n ho\u00e0n nh\u1ecf nh\u01b0 nh\u1eefng t\u00e1c \u0111\u1ed9ng do khi\u1ebfm khuy\u1ebft vi m\u00f4 trong <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/bearing-defects\/\">v\u00f2ng bi<\/a> ho\u1eb7c <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/gear-defects\/\">b\u00e1nh r\u0103ng<\/a>.<\/p>\n<h2>1. \u0110\u1ecbnh ngh\u0129a: Kh\u1eed \u0111i\u1ec1u ch\u1ebf l\u00e0 g\u00ec?<\/h2>\n<p>M\u1ed7i khi\u1ebfm khuy\u1ebft trong v\u00f2ng bi cu\u1ed9n ho\u1eb7c r\u0103ng c\u01b0a l\u1ed3ng v\u00e0o nhau t\u1ea1o ra m\u1ed9t c\u00fa s\u1ed1c c\u01a1 h\u1ecdc ng\u1eafn m\u1ed7i l\u1ea7n m\u1ed9t b\u1ec1 m\u1eb7t ch\u1ecbu t\u1ea3i \u0111i qua n\u00f3. C\u00fa s\u1ed1c \u0111\u00f3 l\u00e0m k\u00edch th\u00edch c\u00e1c t\u1ea7n s\u1ed1 t\u1ef1 nhi\u00ean c\u1ee7a c\u1ea5u tr\u00fac, l\u00e0m cho m\u00e1y \"k\u00eau\" \u1edf c\u00e1c t\u1ea7n s\u1ed1 cao h\u01a1n nhi\u1ec1u so v\u1edbi t\u1ed1c \u0111\u1ed9 ch\u1ea1y. C\u00e1c t\u00e1c \u0111\u1ed9ng ch\u00ednh n\u00f3 mang r\u1ea5t \u00edt n\u0103ng l\u01b0\u1ee3ng, nh\u01b0ng ch\u00fang l\u1eb7p l\u1ea1i \u1edf m\u1ed9t t\u1ef7 l\u1ec7 ch\u00ednh x\u00e1c, c\u00f3 th\u1ec3 d\u1ef1 \u0111o\u00e1n \u0111\u01b0\u1ee3c g\u1eafn li\u1ec1n v\u1edbi h\u00ecnh h\u1ecdc c\u1ee7a th\u00e0nh ph\u1ea7n. Kh\u1eed \u0111i\u1ec1u ch\u1ebf lo\u1ea1i b\u1ecf k\u00eau t\u1ea7n s\u1ed1 cao v\u00e0 ch\u1ec9 kh\u00f4i ph\u1ee5c t\u1ef7 l\u1ec7 l\u1eb7p l\u1ea1i n\u00e0y \u2014 th\u00f4ng tin th\u1ef1c s\u1ef1 x\u00e1c \u0111\u1ecbnh l\u1ed7i.<\/p>\n<p>K\u1ebft qu\u1ea3 n\u00e0y c\u00f3 li\u00ean quan ch\u1eb7t ch\u1ebd \u0111\u1ebfn \u00fd t\u01b0\u1edfng c\u1ee7a m\u1ed9t <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/envelope-spectrum\/\">ph\u1ed5 bao<\/a>: m\u1ed9t hi\u1ec3n th\u1ecb t\u1ea7n s\u1ed1 \u0111\u01b0\u1ee3c t\u00ednh kh\u00f4ng t\u1eeb d\u1ea1ng s\u00f3ng th\u00f4 m\u00e0 t\u1eeb bao (envelope) \u0111\u01b0\u1ee3c kh\u1eed \u0111i\u1ec1u ch\u1ebf c\u1ee7a n\u00f3. Trong tr\u01b0\u1eddng h\u1ee3p m\u1ed9t ph\u1ed5 th\u00f4ng th\u01b0\u1eddng <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/spectrum\/\">ph\u1ed5 rung \u0111\u1ed9ng<\/a> hi\u1ec3n th\u1ecb n\u0103ng l\u01b0\u1ee3ng <em>TRONG<\/em> t\u00edn hi\u1ec7u, ph\u1ed5 kh\u1eed \u0111i\u1ec1u ch\u1ebf cho th\u1ea5y nh\u1ecbp \u0111\u1ed9 c\u1ee7a nh\u1eefng t\u00e1c \u0111\u1ed9ng \u0111\u01b0\u1ee3c ch\u00f4n gi\u1ea5u b\u00ean trong n\u00f3.<\/p>\n<h2>2. Quy tr\u00ecnh kh\u1eed \u0111i\u1ec1u ch\u1ebf<\/h2>\n<p>Kh\u1eed \u0111i\u1ec1u ch\u1ebf l\u00e0 m\u1ed9t chu\u1ed7i ba b\u01b0\u1edbc, \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng cho t\u00edn hi\u1ec7u th\u00f4 t\u1eeb m\u1ed9t <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/accelerometer\/\">c\u1ea3m bi\u1ebfn gia t\u1ed1c<\/a> tr\u01b0\u1edbc b\u1ea5t k\u1ef3 ph\u00e9p bi\u1ebfn \u0111\u1ed5i cu\u1ed1i c\u00f9ng n\u00e0o:<\/p>\n<ol>\n<li><strong>L\u1ecdc th\u00f4ng d\u1ea3i:<\/strong> T\u00edn hi\u1ec7u rung \u0111\u1ed9ng th\u00f4 \u0111\u01b0\u1ee3c truy\u1ec1n qua m\u1ed9t b\u1ed9 l\u1ecdc t\u1ea7n s\u1ed1 cao tr\u01b0\u1edbc ti\u00ean <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/band-pass-filter\/\">b\u1ed9 l\u1ecdc th\u00f4ng d\u1ea3i<\/a>. \u0110i\u1ec1u n\u00e0y lo\u1ea1i b\u1ecf n\u1ed9i dung t\u1ea7n s\u1ed1 th\u1ea5p m\u1ea1nh m\u1ebd \u2014 <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/unbalance\/\">m\u1ea5t c\u00e2n b\u1eb1ng<\/a>, <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/misalignment\/\">s\u1ef1 kh\u00f4ng th\u1eb3ng h\u00e0ng<\/a>, l\u1ecfng l\u1ebbo \u2014 v\u00e0 ch\u1ec9 gi\u1eef l\u1ea1i v\u00f9ng t\u1ea7n s\u1ed1 cao, n\u01a1i s\u00f3ng \u1ee9ng su\u1ea5t t\u1eeb nh\u1eefng t\u00e1c \u0111\u1ed9ng c\u1ee7a v\u00f2ng bi ho\u1eb7c b\u00e1nh r\u0103ng k\u00edch th\u00edch c\u1ea5u tr\u00fac <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/resonance\/\">c\u00e1c dao \u0111\u1ed9ng c\u1ed9ng h\u01b0\u1edfng<\/a>. Ch\u1ecdn d\u1ea3i n\u00e0y t\u1ed1t (th\u01b0\u1eddng t\u1eadp trung v\u00e0o m\u1ed9t c\u1ed9ng h\u01b0\u1edfng c\u1ea5u tr\u00fac \u0111\u00e3 bi\u1ebft) l\u00e0 quy\u1ebft \u0111\u1ecbnh c\u1ea5u h\u00ecnh quan tr\u1ecdng nh\u1ea5t trong to\u00e0n b\u1ed9 ph\u01b0\u01a1ng ph\u00e1p.<\/li>\n<li><strong>Ch\u1ec9nh s\u1eeda:<\/strong> T\u00edn hi\u1ec7u \u0111\u01b0\u1ee3c l\u1ecdc \u1edf t\u1ea7n s\u1ed1 cao sau \u0111\u00f3 \u0111\u01b0\u1ee3c ch\u1ec9nh l\u01b0u \u2014 n\u1eeda \u00e2m c\u1ee7a d\u1ea1ng s\u00f3ng \u0111\u01b0\u1ee3c l\u1eadt th\u00e0nh d\u01b0\u01a1ng \u2014 t\u1ea1o ra t\u00edn hi\u1ec7u \u0111\u1ea1i di\u1ec7n cho bi\u00ean \u0111\u1ed9 tuy\u1ec7t \u0111\u1ed1i c\u1ee7a s\u00f3ng mang.<\/li>\n<li><strong>L\u1ecdc th\u00f4ng th\u1ea5p (bao ph\u1ee7):<\/strong> Cu\u1ed1i c\u00f9ng, t\u00edn hi\u1ec7u \u0111\u01b0\u1ee3c ch\u1ec9nh l\u01b0u \u0111\u01b0\u1ee3c truy\u1ec1n qua m\u1ed9t <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/low-pass-filter\/\">b\u1ed9 l\u1ecdc th\u00f4ng th\u1ea5p<\/a>. \u0110i\u1ec1u n\u00e0y l\u00e0m m\u1ecbn s\u00f3ng mang t\u1ea7n s\u1ed1 cao v\u00e0 \u0111\u1ec3 l\u1ea1i ch\u1ec9 bao (envelope) chuy\u1ec3n \u0111\u1ed9ng ch\u1eadm &#8220;bao&#8221; m\u00e0 truy t\u00ecm c\u00e1c \u0111\u1ec9nh c\u1ee7a t\u00edn hi\u1ec7u \u0111\u01b0\u1ee3c ch\u1ec9nh l\u01b0u. Bao \u0111\u00f3 tr\u1ef1c ti\u1ebfp \u0111\u1ea1i di\u1ec7n cho t\u1ed1c \u0111\u1ed9 l\u1eb7p l\u1ea1i c\u1ee7a c\u00e1c t\u00e1c \u0111\u1ed9ng c\u01a1 b\u1ea3n.<\/li>\n<\/ol>\n<p>M\u1ed8T <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/fft\/\">FFT<\/a> sau \u0111\u00f3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n tr\u00ean t\u00edn hi\u1ec7u bao. Ph\u1ed5 k\u1ebft qu\u1ea3 \u2014 ph\u1ed5 bao, ho\u1eb7c ph\u1ed5 kh\u1eed \u0111i\u1ec1u ch\u1ebf \u2014 hi\u1ec3n th\u1ecb c\u00e1c \u0111\u1ec9nh r\u00f5 r\u00e0ng t\u1ea1i c\u00e1c t\u1ea7n s\u1ed1 l\u1ed7i ch\u00ednh x\u00e1c c\u1ee7a c\u00e1c th\u00e0nh ph\u1ea7n v\u00f2ng bi ho\u1eb7c b\u00e1nh r\u0103ng, ngay c\u1ea3 khi nh\u1eefng \u0111\u1ec9nh \u0111\u00f3 s\u1ebd kh\u00f4ng nh\u00ecn th\u1ea5y \u0111\u01b0\u1ee3c trong m\u1ed9t ph\u1ed5 th\u00f4ng th\u01b0\u1eddng c\u1ee7a d\u1eef li\u1ec7u th\u00f4.<\/p>\n<h2>3. T\u1ea1i sao kh\u1eed \u0111i\u1ec1u ch\u1ebf l\u1ea1i hi\u1ec7u qu\u1ea3 nh\u01b0 v\u1eady?<\/h2>\n<p>Kh\u1eed \u0111i\u1ec1u ch\u1ebf l\u00e0 m\u1ed9t trong nh\u1eefng k\u1ef9 thu\u1eadt qu\u00fd b\u00e1u nh\u1ea5t \u0111\u1ec3 ph\u00e1t hi\u1ec7n l\u1ed7i s\u1edbm ch\u00ednh v\u00ec c\u00e1ch n\u00f3 x\u1eed l\u00fd c\u00e1c t\u00edn hi\u1ec7u t\u00e1c \u0111\u1ed9ng.<\/p>\n<ul>\n<li><strong>C\u1ea3nh b\u00e1o s\u1edbm:<\/strong> Khi m\u1ed9t <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/spalling\/\">v\u1ebft n\u1ee9t<\/a> tr\u00ean m\u1ed9t v\u00f2ng b\u00e1nh xe v\u00f2ng bi b\u1ecb m\u1ed9t ph\u1ea7n t\u1eed l\u0103n cu\u1ed1n, n\u00f3 t\u1ea1o ra m\u1ed9t t\u00e1c \u0111\u1ed9ng nh\u1ecf, c\u00f3 n\u0103ng l\u01b0\u1ee3ng th\u1ea5p. T\u00e1c \u0111\u1ed9ng \u0111\u00f3 g\u00e2y ra m\u1ed9t s\u1ef1 b\u00f9ng ph\u00e1t rung \u0111\u1ed9ng t\u1ea7n s\u1ed1 cao r\u1ea5t ng\u1eafn khi c\u1ea5u tr\u00fac m\u00e1y m\u00f3c rung \u0111\u1ed9ng \u1edf c\u00e1c t\u1ea7n s\u1ed1 t\u1ef1 nhi\u00ean c\u1ee7a n\u00f3 \u2014 r\u1ea5t l\u00e2u tr\u01b0\u1edbc khi thi\u1ec7t h\u1ea1i l\u1edbn enough \u0111\u1ec3 n\u00e2ng m\u1ee9c rung \u0111\u1ed9ng t\u1ed5ng th\u1ec3.<\/li>\n<li><strong>T\u00e1ch t\u00edn hi\u1ec7u kh\u1ecfi nhi\u1ec5u:<\/strong> Trong m\u1ed9t ph\u1ed5 FFT b\u00ecnh th\u01b0\u1eddng, n\u0103ng l\u01b0\u1ee3ng r\u1ea5t nh\u1ecf t\u1eeb nh\u1eefng t\u00e1c \u0111\u1ed9ng giai \u0111o\u1ea1n s\u1edbm n\u00e0y b\u1ecb ch\u00f4n v\u00f9i ho\u00e0n to\u00e0n d\u01b0\u1edbi n\u0103ng l\u01b0\u1ee3ng l\u1edbn c\u1ee7a rung \u0111\u1ed9ng t\u1ea7n s\u1ed1 th\u1ea5p ch\u1eb3ng h\u1ea1n nh\u01b0 m\u1ea5t c\u00e2n b\u1eb1ng. L\u1ed7i c\u00f3 m\u1eb7t trong d\u1eef li\u1ec7u, nh\u01b0ng b\u1ecb ch\u00ecm d\u01b0\u1edbi n\u01b0\u1edbc.<\/li>\n<li><strong>T\u1eadp trung v\u00e0o T\u1ef7 l\u1ec7 l\u1eb7p l\u1ea1i:<\/strong> Kh\u1eed \u0111i\u1ec1u bi\u1ebfn (demodulation) b\u1ecf qua ho\u00e0n to\u00e0n c\u00e1c t\u00edn hi\u1ec7u t\u1ea7n s\u1ed1 th\u1ea5p m\u1ea1nh. N\u00f3 t\u1eadp trung v\u00e0o s\u1ef1 vang d\u1ed9i t\u1ea7n cao v\u00e0, quan tr\u1ecdng nh\u1ea5t, v\u00e0o <em>t\u1ed1c \u0111\u1ed9 l\u1eb7p l\u1ea1i<\/em> c\u1ee7a vang d\u1ed9i \u0111\u00f3. Ch\u00ednh t\u1ea7n su\u1ea5t l\u1eb7p l\u1ea1i n\u00e0y t\u01b0\u01a1ng \u1ee9ng tr\u1ef1c ti\u1ebfp v\u1edbi <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/bearing-fault-frequencies\/\">t\u1ea7n s\u1ed1 l\u1ed7i \u1ed5 tr\u1ee5c<\/a> \u2014 <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/bpfo\/\">BPFO<\/a>, <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/bpfi\/\">BPFI<\/a>, <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/bsf\/\">BSF<\/a> \u2014 v\u00e0 v\u1edbi <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/gear-mesh-frequency\/\">t\u1ea7n s\u1ed1 \u0103n kh\u1edbp b\u00e1nh r\u0103ng<\/a> (GMF) v\u00e0 c\u00e1c d\u1ea3i b\u00ean c\u1ee7a n\u00f3.<\/li>\n<\/ul>\n<blockquote><p>V\u00ec demodulation ph\u1ea3n \u1ee9ng v\u1edbi <em>va ch\u1ea1m<\/em> thay v\u00ec <em>bi\u00ean \u0111\u1ed9<\/em>, n\u00f3 c\u00f3 th\u1ec3 ph\u00e1t hi\u1ec7n v\u00f2ng bi b\u1ecb l\u1ed7i h\u00e0ng th\u00e1ng tr\u01b0\u1edbc khi v\u00f2ng bi \u0111\u00f3 xu\u1ea5t hi\u1ec7n tr\u00ean ph\u1ed5 v\u1eadn t\u1ed1c chu\u1ea9n \u2014 m\u1ed9t l\u1ee3i th\u1ebf quy\u1ebft \u0111\u1ecbnh trong <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/predictive-maintenance\/\">b\u1ea3o tr\u00ec d\u1ef1 \u0111o\u00e1n<\/a>.<\/p><\/blockquote>\n<h2>4. \u1ee8ng d\u1ee5ng v\u00e0 S\u1eed d\u1ee5ng Th\u1ef1c t\u1ebf<\/h2>\n<p>C\u00e1c \u1ee9ng d\u1ee5ng ch\u00ednh c\u1ee7a gi\u1ea3i \u0111i\u1ec1u ch\u1ebf l\u00e0:<\/p>\n<ul>\n<li><strong>Ph\u00e2n t\u00edch \u1ed5 tr\u1ee5c l\u0103n:<\/strong> \u0110\u00e2y l\u00e0 ph\u01b0\u01a1ng ph\u00e1p x\u00e1c \u0111\u1ecbnh \u0111\u1ec3 ph\u00e1t hi\u1ec7n v\u00e0 ch\u1ea9n \u0111o\u00e1n l\u1ed7i trong v\u00f2ng bi bi v\u00e0 con l\u0103n, th\u01b0\u1eddng cung c\u1ea5p c\u1ea3nh b\u00e1o h\u00e0ng th\u00e1ng tr\u01b0\u1edbc khi l\u1ed7i tr\u1edf n\u00ean t\u1edbi h\u1ea1n. S\u1ef1 hi\u1ec7n di\u1ec7n c\u1ee7a n\u0103ng l\u01b0\u1ee3ng \u1edf BPFO, BPFI ho\u1eb7c BSF trong ph\u1ed5 bao (envelope spectrum) l\u00e0 d\u1ea5u hi\u1ec7u g\u1ea7n nh\u01b0 kh\u00f4ng c\u00f3 s\u1ef1 nh\u1ea7m l\u1eabn c\u1ee7a m\u1ed9t khi\u1ebfm khuy\u1ebft c\u1ee5c b\u1ed9.<\/li>\n<li><strong>Ph\u00e2n t\u00edch h\u1ed9p s\u1ed1:<\/strong> N\u00f3 c\u1ef1c k\u1ef3 hi\u1ec7u qu\u1ea3 trong vi\u1ec7c ph\u00e1t hi\u1ec7n c\u00e1c r\u0103ng b\u00e1nh r\u0103ng b\u1ecb n\u1ee9t ho\u1eb7c g\u00e3y, nh\u1eefng c\u00e1i t\u1ea1o ra m\u1ed9t t\u00e1c \u0111\u1ed9ng r\u00f5 r\u00e0ng \u1edf 1\u00d7 t\u1ed1c \u0111\u1ed9 quay c\u1ee7a b\u00e1nh r\u0103ng b\u1ecb \u1ea3nh h\u01b0\u1edfng trong ph\u1ed5 kh\u1eed \u0111i\u1ec1u bi\u1ebfn, th\u01b0\u1eddng k\u00e8m theo <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/sidebands\/\">d\u1ea3i b\u00ean<\/a>.<\/li>\n<li><strong>C\u00e1c s\u1ef1 ki\u1ec7n t\u00e1c \u0111\u1ed9ng kh\u00e1c:<\/strong> N\u00f3 c\u0169ng c\u00f3 th\u1ec3 ph\u00e1t hi\u1ec7n c\u00e1c hi\u1ec7n t\u01b0\u1ee3ng va ch\u1ea1m l\u1eb7p l\u1ea1i kh\u00e1c \u2014 c\u00e1c b\u1eaby h\u01a1i n\u01b0\u1edbc chu k\u1ef3 m\u1edf v\u00e0 \u0111\u00f3ng, ho\u1eb7c c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 th\u1eddi gian van \u0111\u1ed9ng c\u01a1 \u0111\u00f4i.<\/li>\n<\/ul>\n<p>Tr\u00ean th\u1ef1c t\u1ebf, c\u00f9ng m\u1ed9t d\u1ee5ng c\u1ee5 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 c\u00e2n b\u1eb1ng c\u0169ng ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t c\u00f4ng c\u1ee5 ch\u1ea9n \u0111o\u00e1n. 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> ghi l\u1ea1i t\u00edn hi\u1ec7u d\u1ea3i r\u1ed9ng t\u1eeb m\u1ed9t accelerometer \u1edf m\u1ed7i v\u00f2m bi, v\u00ec v\u1eady m\u1ed9t k\u1ef9 thu\u1eadt vi\u00ean c\u00f3 th\u1ec3 xem x\u00e9t ph\u1ed5 th\u00f4ng th\u01b0\u1eddng v\u00e0 ph\u1ed5 bao kh\u1eed \u0111i\u1ec1u bi\u1ebfn c\u1ea1nh nhau v\u00e0 quy\u1ebft \u0111\u1ecbnh xem li\u1ec7u m\u1ed9t \u0111\u1ec9nh 1\u00d7 l\u00e0 th\u1ef1c t\u1ebf <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/imbalance\/\">s\u1ef1 m\u1ea5t c\u00e2n b\u1eb1ng<\/a> hay l\u00e0 d\u1ea5u hi\u1ec7u \u0111\u1ea7u ti\u00ean c\u1ee7a m\u1ed9t v\u00f2m bi b\u1ecb h\u1ecfng. C\u00e1c ph\u01b0\u01a1ng ph\u00e1p li\u00ean quan nh\u01b0 <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/shock-pulse-method\/\">ph\u01b0\u01a1ng ph\u00e1p xung s\u1ed1c<\/a> and <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/spike-energy\/\">n\u0103ng l\u01b0\u1ee3ng xung<\/a> t\u1eadn d\u1ee5ng c\u00e1c t\u00e1c \u0111\u1ed9ng t\u1ea7n cao t\u01b0\u01a1ng t\u1ef1, nh\u01b0ng kh\u1eed \u0111i\u1ec1u bi\u1ebfn v\u1eabn l\u00e0 ph\u01b0\u01a1ng ph\u00e1p ch\u1ea9n \u0111o\u00e1n nh\u1ea5t v\u00ec n\u00f3 b\u1ea3o to\u00e0n ph\u1ed5 t\u1ea7n su\u1ea5t l\u1eb7p l\u1ea1i \u0111\u1ea7y \u0111\u1ee7 thay v\u00ec thu g\u1ecdn n\u00f3 th\u00e0nh m\u1ed9t con s\u1ed1 duy nh\u1ea5t.<\/p>\n<h2>5. Nh\u1eefng C\u1ea1m B\u1eaby Thi\u1ebft l\u1eadp v\u00e0 Th\u1ef1c h\u00e0nh T\u1ed1t<\/h2>\n<ul>\n<li><strong>D\u1ea3i b\u1ed9 l\u1ecdc sai:<\/strong> N\u1ebfu b\u1ed9 l\u1ecdc th\u00f4ng d\u1ea3i \u0111\u01b0\u1ee3c \u0111\u1eb7t \u1edf xa kh\u1ecfi m\u1ed9t c\u1ed9ng h\u01b0\u1edfng c\u1ea5u tr\u00fac th\u1ef1c t\u1ebf, c\u00e1c t\u00e1c \u0111\u1ed9ng kh\u00f4ng \u0111\u01b0\u1ee3c khu\u1ebfch \u0111\u1ea1i v\u00e0 ph\u1ed5 bao tr\u00f4ng tr\u1ed1ng r\u1ed7ng ngay c\u1ea3 khi c\u00f3 khi\u1ebfm khuy\u1ebft. Nhi\u1ec1u d\u1ee5ng c\u1ee5 cung c\u1ea5p c\u00e1c d\u1ea3i \u0111\u01b0\u1ee3c \u0111\u1ecbnh s\u1eb5n; m\u1ed9t <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/bump-test\/\">ki\u1ec3m tra va ch\u1ea1m<\/a> c\u00f3 th\u1ec3 x\u00e1c nh\u1eadn n\u01a1i c\u1ea5u tr\u00fac vang d\u1ed9i.<\/li>\n<li><strong>G\u1eafn k\u1ebft c\u00f3 \u00fd ngh\u0129a:<\/strong> N\u0103ng l\u01b0\u1ee3ng va ch\u1ea1m t\u1ea7n cao d\u1ec5 d\u00e0ng b\u1ecb m\u1ea5t th\u00f4ng qua c\u00e1c g\u1eafn m\u1ec1m. M\u1ed9t c\u1ea3m bi\u1ebfn g\u1eafn b\u1eb1ng \u0111inh \u1ed1c ho\u1eb7c keo d\u00ednh b\u1ea3o to\u00e0n s\u00f3ng mang t\u1ed1t h\u01a1n nhi\u1ec1u so v\u1edbi nam ch\u00e2m tr\u00ean b\u1ec1 m\u1eb7t s\u01a1n \u2014 xem <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/iso-5348\/\">Ti\u00eau chu\u1ea9n ISO 5348<\/a> tr\u00ean g\u1eafn c\u1ea3m bi\u1ebfn gia t\u1ed1c.<\/li>\n<li><strong>Gi\u1ea3i th\u00edch, kh\u00f4ng ch\u1ec9 ph\u00e1t hi\u1ec7n:<\/strong> M\u1ed9t \u0111\u1ec9nh trong ph\u1ed5 bao ph\u1ea3i \u0111\u01b0\u1ee3c so s\u00e1nh v\u1edbi c\u00e1c t\u1ea7n s\u1ed1 l\u1ed7i \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n cho v\u00f2ng bi c\u1ee5 th\u1ec3 tr\u01b0\u1edbc khi \u0111\u01b0a ra ch\u1ea9n \u0111o\u00e1n; c\u00e1c h\u1ecda \u00e2m c\u1ee7a t\u1ed1c \u0111\u1ed9 ch\u1ea1y n\u1ebfu kh\u00f4ng c\u00f3 th\u1ec3 b\u1ecb nh\u1ea7m l\u1eabn v\u1edbi m\u1ed9t khi\u1ebfm khuy\u1ebft.<\/li>\n<\/ul>\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 gi\u1ea3i \u0111i\u1ec1u ch\u1ebf, m\u1ed9t k\u1ef9 thu\u1eadt x\u1eed l\u00fd t\u00edn hi\u1ec7u \u0111\u1ed3ng ngh\u0129a v\u1edbi Ph\u00e2n t\u00edch bao, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 tr\u00edch xu\u1ea5t th\u00f4ng tin l\u1ed7i t\u1ea7n s\u1ed1 th\u1ea5p t\u1eeb t\u00edn hi\u1ec7u s\u00f3ng mang t\u1ea7n s\u1ed1 cao, l\u00fd t\u01b0\u1edfng cho ph\u00e2n t\u00edch \u1ed5 tr\u1ee5c v\u00e0 b\u00e1nh r\u0103ng.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[114,109],"tags":[],"class_list":["post-99","glossary","type-glossary","status-publish","hentry","category-analysis","category-glossary"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/glossary\/99","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\/99\/revisions"}],"predecessor-version":[{"id":101230,"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/glossary\/99\/revisions\/101230"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/media?parent=99"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/categories?post=99"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/tags?post=99"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}