{"id":137,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/high-pass-filter\/"},"modified":"2026-07-03T10:04:05","modified_gmt":"2026-07-03T10:04:05","slug":"high-pass-filter","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/vi\/glossary\/high-pass-filter\/","title":{"rendered":"B\u1ed9 l\u1ecdc th\u00f4ng cao l\u00e0 g\u00ec? C\u00f4ng c\u1ee5 ch\u1ecdn t\u1ea7n s\u1ed1"},"content":{"rendered":"<h1>Hi\u1ec3u v\u1ec1 b\u1ed9 l\u1ecdc th\u00f4ng cao<\/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\/137?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\/137?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\/137?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\/137?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\/137?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\/137?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\/137?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\/137?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\/137?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\/137?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\/137?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\/137?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\/137?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\/137?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>b\u1ed9 l\u1ecdc th\u00f4ng cao<\/strong> (HPF) l\u00e0 m\u1ed9t ph\u1ea7n t\u1eed x\u1eed l\u00fd t\u00edn hi\u1ec7u ch\u1ecdn l\u1ecdc t\u1ea7n s\u1ed1 cho ph\u00e9p <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/vibration\/\">rung \u0111\u1ed9ng<\/a> c\u00e1c th\u00e0nh ph\u1ea7n \u1edf tr\u00ean t\u1ea7n s\u1ed1 c\u1eaft \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh \u0111\u1ec3 v\u01b0\u1ee3t qua trong khi l\u00e0m suy y\u1ebfu c\u00e1c th\u00e0nh ph\u1ea7n d\u01b0\u1edbi t\u1ea7n s\u1ed1 c\u1eaft. Trong <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/vibration-analysis\/\">Ph\u00e2n t\u00edch rung \u0111\u1ed9ng<\/a>, c\u00e1c b\u1ed9 l\u1ecdc th\u00f4ng cao lo\u1ea1i b\u1ecf rung \u0111\u1ed9ng t\u1ea7n s\u1ed1 th\u1ea5p (t\u1eeb <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/unbalance\/\">m\u1ea5t c\u00e2n b\u1eb1ng<\/a> and <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/misalignment\/\">s\u1ef1 kh\u00f4ng th\u1eb3ng h\u00e0ng<\/a>) \u0111\u1ec3 nh\u00e0 ph\u00e2n t\u00edch c\u00f3 th\u1ec3 t\u1eadp trung v\u00e0o n\u1ed9i dung t\u1ea7n s\u1ed1 cao (t\u1eeb <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/bearing-defects\/\">khuy\u1ebft t\u1eadt \u1ed5 tr\u1ee5c<\/a>, <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/gear-mesh-frequency\/\">l\u01b0\u1edbi b\u00e1nh r\u0103ng<\/a>, v\u00e0 c\u00e1c ngu\u1ed3n \u0111i\u1ec7n), \u0111\u1ed3ng th\u1eddi lo\u1ea1i b\u1ecf sai l\u1ec7ch DC v\u00e0 tr\u00f4i t\u1ea7n s\u1ed1 th\u1ea5p. N\u00f3 l\u00e0 h\u00ecnh \u1ea3nh ph\u1ea3n chi\u1ebfu c\u1ee7a m\u1ed9t <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/low-pass-filter\/\">b\u1ed9 l\u1ecdc th\u00f4ng th\u1ea5p<\/a>.<\/p>\n<p>B\u1ed9 l\u1ecdc th\u00f4ng cao l\u00e0 c\u01a1 b\u1ea3n \u0111\u1ec3 <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/envelope-analysis\/\">ph\u00e2n t\u00edch \u0111\u01b0\u1eddng bao<\/a> v\u00e0 t\u1ed5ng qu\u00e1t <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/signal-filtering\/\">l\u1ecdc t\u00edn hi\u1ec7u<\/a> (ng\u01b0\u1ee3c l\u1ea1i, ch\u1ed1ng r\u0103ng c\u01b0a l\u00e0 m\u1ed9t ch\u1ee9c n\u0103ng th\u00f4ng th\u1ea5p \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng tr\u01b0\u1edbc khi s\u1ed1 h\u00f3a), cho ph\u00e9p tr\u00edch xu\u1ea5t th\u00f4ng tin ch\u1ea9n \u0111o\u00e1n t\u1eeb m\u1ed9t d\u1ea3i t\u1ea7n \u0111\u00e3 ch\u1ecdn \u0111\u1ed3ng th\u1eddi lo\u1ea1i b\u1ecf c\u00e1c th\u00e0nh ph\u1ea7n t\u1ea7n s\u1ed1 th\u1ea5p kh\u00f4ng mong mu\u1ed1n, v\u1ed1n n\u1ebfu kh\u00f4ng s\u1ebd che l\u1ea5p ho\u1eb7c \u00e1p \u0111\u1ea3o c\u00e1c t\u00edn hi\u1ec7u quan t\u00e2m.<\/p>\n<h2>1. \u0110\u1eb7c t\u00ednh B\u1ed9 l\u1ecdc<\/h2>\n<p>Ba tham s\u1ed1 x\u00e1c \u0111\u1ecbnh c\u00e1ch ho\u1ea1t \u0111\u1ed9ng c\u1ee7a b\u1ea5t k\u1ef3 b\u1ed9 l\u1ecdc th\u00f4ng cao: t\u1ea7n s\u1ed1 c\u1eaft c\u1ee7a n\u00f3, \u0111\u1ed9 d\u1ed1c c\u1ee7a n\u00f3 v\u00e0 lo\u1ea1i thi\u1ebft k\u1ebf c\u01a1 b\u1ea3n c\u1ee7a n\u00f3.<\/p>\n<ul>\n<li><strong>T\u1ea7n s\u1ed1 c\u1eaft (f<sub>c<\/sub>):<\/strong> t\u1ea7n s\u1ed1 t\u1ea1i \u0111\u00f3 ph\u1ea3n h\u1ed3i b\u1ed9 l\u1ecdc gi\u1ea3m xu\u1ed1ng \u22123 dB (70,7% c\u1ee7a bi\u00ean \u0111\u1ed9 d\u1ea3i th\u00f4ng qua). D\u01b0\u1edbi f<sub>c<\/sub> t\u1ea7n s\u1ed1 \u0111\u01b0\u1ee3c suy y\u1ebfu d\u1ea7n d\u1ea7n; \u1edf tr\u00ean f<sub>c<\/sub> ch\u00fang v\u01b0\u1ee3t qua v\u1edbi m\u1ea5t m\u00e1t t\u1ed1i thi\u1ec3u. T\u1ea7n s\u1ed1 c\u1eaft \u0111\u01b0\u1ee3c ch\u1ecdn theo \u1ee9ng d\u1ee5ng v\u00e0 n\u1ed9i dung t\u1ea7n s\u1ed1 quan t\u00e2m.<\/li>\n<li><strong>\u0110\u1ed9 d\u1ed1c c\u1ee7a b\u1ed9 l\u1ecdc (t\u1ed1c \u0111\u1ed9 r\u01a1i):<\/strong> t\u1ed1c \u0111\u1ed9 suy gi\u1ea3m d\u01b0\u1edbi t\u1ea7n s\u1ed1 c\u1eaft, \u0111\u01b0\u1ee3c bi\u1ec3u th\u1ecb b\u1eb1ng dB tr\u00ean b\u1ed9 (octave) ho\u1eb7c dB tr\u00ean th\u1eadp k\u1ef7 (decade). A <strong>b\u1eadc 1<\/strong> b\u1ed9 l\u1ecdc suy gi\u1ea3m v\u1edbi \u0111\u1ed9 d\u1ed1c 6 dB\/qu\u00e3ng (20 dB\/th\u1eadp k\u1ef7) \u2014 m\u1ed9t \u0111\u1ed9 d\u1ed1c nh\u1eb9; a <strong>b\u1eadc 2<\/strong> t\u1ea1i 12 dB\/b\u1ed9 (40 dB\/th\u1eadp k\u1ef7) \u2014 v\u1eeba ph\u1ea3i; a <strong>b\u1eadc 4<\/strong> t\u1ea1i 24 dB\/b\u1ed9 (80 dB\/th\u1eadp k\u1ef7) \u2014 d\u1ed1c. C\u00e1c b\u1eadc cao h\u01a1n cho qu\u00e1 tr\u00ecnh chuy\u1ec3n ti\u1ebfp s\u1eafc n\u00e9t h\u01a1n v\u00e0 kh\u1ea3 n\u0103ng lo\u1ea1i b\u1ecf t\u1ed1t h\u01a1n nh\u01b0ng ph\u1ee9c t\u1ea1p h\u01a1n \u0111\u1ec3 tri\u1ec3n khai.<\/li>\n<\/ul>\n<p>B\u1ed9 l\u1ecdc <strong>lo\u1ea1i<\/strong> x\u00e1c \u0111\u1ecbnh s\u1ef1 c\u00e2n b\u1eb1ng gi\u1eefa s\u1ef1 s\u1eafc n\u00e9t v\u00e0 \u0111\u1ed9 trung th\u1ef1c:<\/p>\n<ul>\n<li><strong>Butterworth:<\/strong> \u0111\u00e1p \u1ee9ng d\u1ea3i th\u00f4ng ph\u1eb3ng c\u1ef1c \u0111\u1ea1i.<\/li>\n<li><strong>Chebyshev:<\/strong> c\u1eaft s\u1eafc n\u00e9t h\u01a1n, nh\u01b0ng v\u1edbi g\u1ee3n s\u00f3ng trong d\u1ea3i th\u00f4ng.<\/li>\n<li><strong>Bessel:<\/strong> h\u00e0nh vi mi\u1ec1n th\u1eddi gian t\u1ed1t nh\u1ea5t, v\u1edbi t\u1ed1i thi\u1ec3u <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/phase\/\">pha<\/a> m\u00e9o t\u00edn hi\u1ec7u.<\/li>\n<li><strong>H\u00ecnh elip:<\/strong> qu\u00e1 tr\u00ecnh chuy\u1ec3n ti\u1ebfp s\u1eafc n\u00e9t nh\u1ea5t, nh\u01b0ng v\u1edbi g\u1ee3n s\u00f3ng trong c\u1ea3 d\u1ea3i th\u00f4ng v\u00e0 d\u1ea3i ch\u1eb7n.<\/li>\n<\/ul>\n<h2>2. C\u00e1c \u1ee8ng D\u1ee5ng trong Ph\u00e2n T\u00edch Rung \u0110\u1ed9ng<\/h2>\n<h3>Ph\u00e1t hi\u1ec7n khi\u1ebfm khuy\u1ebft \u1ed5 tr\u1ee5c<\/h3>\n<p>\u0110\u00e2y l\u00e0 \u1ee9ng d\u1ee5ng ph\u1ed5 bi\u1ebfn nh\u1ea5t. T\u1ea7n s\u1ed1 c\u1eaft th\u01b0\u1eddng l\u00e0 500\u20132000 Hz lo\u1ea1i b\u1ecf rung \u0111\u1ed9ng m\u1ea5t c\u00e2n b\u1eb1ng t\u1ea7n s\u1ed1 th\u1ea5p v\u00e0 kh\u00f4ng c\u0103n ch\u1ec9nh, \u0111\u1ec3 l\u1ea1i c\u00e1c t\u00edn hi\u1ec7u va ch\u1ea1m t\u1ea7n s\u1ed1 cao \u0111\u01b0\u1ee3c t\u1ea1o ra b\u1edfi h\u01b0 h\u1ecfng v\u00f2ng bi. \u0110\u00e2y l\u00e0 giai \u0111o\u1ea1n \u0111\u1ea7u ti\u00ean trong x\u1eed l\u00fd ph\u00e2n t\u00edch bao, sau \u0111\u00f3 kh\u1eed \u0111i\u1ec1u ch\u1ebf nh\u1eefng va ch\u1ea1m \u0111\u00f3 \u0111\u1ec3 ti\u1ebft l\u1ed9 <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/bearing-fault-frequencies\/\">t\u1ea7n s\u1ed1 l\u1ed7i \u1ed5 tr\u1ee5c<\/a>.<\/p>\n<h3>T\u00edch ph\u00e2n th\u00e0nh v\u1eadn t\u1ed1c ho\u1eb7c chuy\u1ec3n v\u1ecb<\/h3>\n<p>Khi <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/integration\/\">t\u00edch ph\u00e2n<\/a> <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/acceleration\/\">gia t\u1ed1c<\/a> \u0110\u1ebeN <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/velocity\/\">v\u1eadn t\u1ed1c<\/a> ho\u1eb7c <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/displacement\/\">s\u1ef1 d\u1ecbch chuy\u1ec3n<\/a>, m\u1ed9t b\u1ed9 l\u1ecdc th\u00f4ng cao \u0111\u01b0\u1ee3c \u0111\u1eb7t \u1edf 2\u201310 Hz lo\u1ea1i b\u1ecf \u0111\u1ed9 l\u1ec7ch DC v\u00e0 c\u00e1c t\u1ea7n s\u1ed1 r\u1ea5t th\u1ea5p kh\u00e1c s\u1ebd t\u00edch ph\u00e2n th\u00e0nh sai s\u1ed1 tr\u00f4i l\u1edbn. B\u01b0\u1edbc n\u00e0y r\u1ea5t c\u1ea7n thi\u1ebft \u0111\u1ec3 t\u00edch ph\u00e2n t\u1ea7n s\u1ed1 th\u1ea5p ch\u00ednh x\u00e1c.<\/p>\n<h3>C\u1ed9ng h\u01b0\u1edfng l\u1eafp \u0111\u1eb7t c\u1ea3m bi\u1ebfn \u2014 m\u1ed9t nhi\u1ec7m v\u1ee5 gi\u1edbi h\u1ea1n d\u1ea3i t\u1ea7n<\/h3>\n<p>M\u1ed8T <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/accelerometer\/\">c\u1ea3m bi\u1ebfn gia t\u1ed1c<\/a> c\u1ed9ng h\u01b0\u1edfng l\u1eafp \u0111\u1eb7t \u2014 th\u01b0\u1eddng l\u00e0 3\u201310 kHz \u0111\u1ed1i v\u1edbi \u0111\u1ebf t\u1eeb \u2014 c\u00f3 th\u1ec3 l\u00e0m sai l\u1ec7ch s\u1ed1 \u0111o. V\u00ec t\u1ea1o t\u00e1c n\u00e0y n\u1eb1m \u1edf t\u1ea7n s\u1ed1 cao, b\u1ed9 l\u1ecdc th\u00f4ng cao kh\u00f4ng lo\u1ea1i b\u1ecf \u0111\u01b0\u1ee3c n\u00f3: n\u00f3 \u0111\u01b0\u1ee3c tri\u1ec7t b\u1eb1ng c\u00e1ch gi\u1edbi h\u1ea1n d\u1ea3i t\u1ea7n tr\u00ean b\u1eb1ng b\u1ed9 l\u1ecdc th\u00f4ng th\u1ea5p (gi\u1edbi h\u1ea1n d\u1ea3i), ho\u1eb7c tr\u00e1nh b\u1eb1ng c\u00e1ch gi\u1eef d\u1ea3i ph\u00e2n t\u00edch d\u01b0\u1edbi c\u1ed9ng h\u01b0\u1edfng. Trong ph\u00e2n t\u00edch bao, m\u1ed9t v\u00f9ng c\u1ed9ng h\u01b0\u1edfng th\u1eadm ch\u00ed c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c d\u00f9ng c\u00f3 ch\u1ee7 \u00fd nh\u01b0 d\u1ea3i s\u00f3ng mang gi\u1ea3i \u0111i\u1ec1u ch\u1ebf. \u00c2m thanh <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/mounting\/\">l\u1eafp \u0111\u1eb7t c\u1ea3m bi\u1ebfn<\/a> th\u1ef1c h\u00e0nh b\u1ed5 sung cho b\u1ed9 l\u1ecdc.<\/p>\n<h3>Lo\u1ea1i b\u1ecf \u0111\u1ed9 l\u1ec7ch DC<\/h3>\n<p>M\u1ed9t b\u1ed9 l\u1ecdc th\u00f4ng cao v\u1edbi t\u1ea7n s\u1ed1 c\u1eaft r\u1ea5t th\u1ea5p (0,5\u20132 Hz) lo\u1ea1i b\u1ecf th\u00e0nh ph\u1ea7n DC c\u1ee7a t\u00edn hi\u1ec7u. \u0110i\u1ec1u n\u00e0y c\u1ea7n thi\u1ebft \u0111\u1ec3 x\u1eed l\u00fd t\u00edn hi\u1ec7u ch\u00ednh x\u00e1c, ng\u0103n ch\u1eb7n <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/fft\/\">FFT<\/a> sai s\u1ed1 v\u00e0 chuy\u1ec3n d\u1ea1o t\u00edch ph\u00e2n.<\/p>\n<h2>3. Tri\u1ec3n Khai Th\u1ef1c T\u1ebf<\/h2>\n<h3>B\u1ed9 l\u1ecdc t\u01b0\u01a1ng t\u1ef1 so v\u1edbi k\u1ef9 thu\u1eadt s\u1ed1<\/h3>\n<p><strong>B\u1ed9 l\u1ecdc th\u00f4ng cao t\u01b0\u01a1ng t\u1ef1<\/strong> l\u00e0 c\u00e1c m\u1ea1ch ph\u1ea7n c\u1ee9ng b\u00ean trong chu\u1ed7i \u0111i\u1ec1u h\u00f2a t\u00edn hi\u1ec7u. Ch\u00fang ho\u1ea1t \u0111\u1ed9ng theo th\u1eddi gian th\u1ef1c nh\u01b0 m\u1ed9t ph\u1ea7n c\u1ee7a qu\u00e1 tr\u00ecnh \u0111i\u1ec1u h\u00f2a t\u00edn hi\u1ec7u c\u1ea3m bi\u1ebfn (giai \u0111o\u1ea1n ch\u1ed1ng r\u0103ng c\u01b0a \u0111i k\u00e8m v\u1edbi ch\u00fang l\u00e0 b\u1ed9 l\u1ecdc th\u00f4ng th\u1ea5p) v\u00e0 c\u00f3 \u0111\u1eb7c t\u00ednh c\u1ed1 \u0111\u1ecbnh sau khi \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf. <strong>B\u1ed9 l\u1ecdc th\u00f4ng cao k\u1ef9 thu\u1eadt s\u1ed1<\/strong> d\u1ef1a tr\u00ean ph\u1ea7n m\u1ec1m v\u00e0 \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng trong x\u1eed l\u00fd h\u1eadu k\u1ef3; t\u1ea7n s\u1ed1 c\u1eaft v\u00e0 b\u1eadc c\u1ee7a ch\u00fang c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh \u0111\u01b0\u1ee3c, v\u00e0 ch\u00fang c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng ho\u1eb7c lo\u1ea1i b\u1ecf sau khi thu th\u1eadp d\u1eef li\u1ec7u. C\u00e1c b\u1ed9 ph\u00e2n t\u00edch hi\u1ec7n \u0111\u1ea1i cung c\u1ea5p nhi\u1ec1u t\u00f9y ch\u1ecdn b\u1ed9 l\u1ecdc k\u1ef9 thu\u1eadt s\u1ed1 \u0111\u1ec3 c\u00f3 th\u1ec3 ki\u1ec3m tra c\u00f9ng m\u1ed9t b\u1ea3n ghi theo nhi\u1ec1u c\u00e1ch.<\/p>\n<h3>Ch\u1ecdn t\u1ea7n s\u1ed1 c\u1eaft<\/h3>\n<p>V\u00ec <strong>ph\u00e2n t\u00edch \u1ed5 tr\u1ee5c<\/strong>, \u0111\u1eb7t f<sub>c<\/sub> cao h\u01a1n h\u1eb3n c\u00e1c th\u00e0nh ph\u1ea7n li\u00ean quan \u0111\u1ebfn rotor \u2014 th\u01b0\u1eddng l\u00e0 t\u1ea7n s\u1ed1 c\u1eaft 500\u20131000 Hz. \u0110i\u1ec1u n\u00e0y lo\u1ea1i b\u1ecf c\u00e1c th\u00e0nh ph\u1ea7n t\u1ea7n s\u1ed1 th\u1ea5p 1\u00d7, 2\u00d7 v\u00e0 c\u00e1c th\u00e0nh ph\u1ea7n kh\u00e1c c\u1ee7a m\u00e1y, \u0111\u1ed3ng th\u1eddi cho ph\u00e9p v\u00f9ng c\u1ed9ng h\u01b0\u1edfng k\u1ebft c\u1ea5u t\u1ea7n s\u1ed1 cao \u0111\u01b0\u1ee3c k\u00edch th\u00edch b\u1edfi c\u00e1c va \u0111\u1eadp c\u1ee7a \u1ed5 tr\u1ee5c \u0111i qua. L\u01b0u \u00fd r\u1eb1ng b\u1ea3n th\u00e2n c\u00e1c t\u1ea7n s\u1ed1 l\u1eb7p l\u1ea1i c\u1ee7a l\u1ed7i \u1ed5 tr\u1ee5c (th\u01b0\u1eddng trong kho\u1ea3ng 50\u2013500 Hz) n\u1eb1m d\u01b0\u1edbi t\u1ea7n s\u1ed1 c\u1eaft n\u00e0y: ch\u00fang \u0111\u01b0\u1ee3c kh\u00f4i ph\u1ee5c l\u1ea1i sau \u0111\u00f3 trong ph\u1ed5 bao (envelope spectrum) b\u1eb1ng c\u00e1ch gi\u1ea3i \u0111i\u1ec1u ch\u1ebf t\u00edn hi\u1ec7u t\u1ea7n s\u1ed1 cao, ch\u1ee9 kh\u00f4ng \u0111\u01b0\u1ee3c truy\u1ec1n tr\u1ef1c ti\u1ebfp qua b\u1ed9 l\u1ecdc. \u0110\u1ed1i v\u1edbi <strong>t\u00edch ph\u00e2n<\/strong>, \u0111\u1eb7t f<sub>c<\/sub> \u1edf t\u1ea7n s\u1ed1 2\u20135\u00d7 th\u1ea5p nh\u1ea5t \u0111\u01b0\u1ee3c quan t\u00e2m: qu\u00e1 th\u1ea5p cho ph\u00e9p d\u1ecbch chuy\u1ec3n, qu\u00e1 cao l\u00e0m suy gi\u1ea3m c\u00e1c th\u00e0nh ph\u1ea7n t\u1ea7n s\u1ed1 th\u1ea5p h\u1ee3p l\u1ec7, v\u1edbi 2\u201310 Hz l\u00e0 ph\u1ed5 bi\u1ebfn cho t\u00edch ph\u00e2n chung.<\/p>\n<h2>4. T\u00e1c \u0111\u1ed9ng \u0111\u1ebfn Ph\u00e9p \u0111o<\/h2>\n<p>B\u1ed9 l\u1ecdc th\u00f4ng cao thay \u0111\u1ed5i t\u00edn hi\u1ec7u theo ba c\u00e1ch m\u00e0 nh\u00e0 ph\u00e2n t\u00edch ph\u1ea3i ghi nh\u1edb:<\/p>\n<ul>\n<li><strong>Hi\u1ec7u \u1ee9ng bi\u00ean \u0111\u1ed9:<\/strong> c\u00e1c t\u1ea7n s\u1ed1 d\u01b0\u1edbi t\u1ea7n c\u1eaft \u0111\u01b0\u1ee3c gi\u1ea3m, c\u00e1c t\u1ea7n s\u1ed1 r\u1ea5t th\u1ea5p v\u1ec1 c\u01a1 b\u1ea3n \u0111\u01b0\u1ee3c lo\u1ea1i b\u1ecf, v\u00e0 c\u00e1c t\u1ea7n s\u1ed1 cao h\u01a1n t\u1ea7n c\u1eaft nhi\u1ec1u l\u1ea7n kh\u00f4ng b\u1ecb \u1ea3nh h\u01b0\u1edfng; v\u00f9ng chuy\u1ec3n ti\u1ebfp cho th\u1ea5y s\u1ef1 gi\u1ea3m d\u1ea7n thay v\u00ec m\u1ed9t c\u1ea1nh c\u1ee9ng.<\/li>\n<li><strong>Hi\u1ec7u \u1ee9ng pha:<\/strong> t\u1ea5t c\u1ea3 b\u1ed9 l\u1ecdc gi\u1edbi thi\u1ec7u ph\u1ea3n \u1ee9ng ph\u1ee5 thu\u1ed9c v\u00e0o t\u1ea7n s\u1ed1 <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/phase\/\">pha<\/a> d\u1ecbch chuy\u1ec3n, c\u00f3 th\u1ec3 thay \u0111\u1ed5i h\u00ecnh d\u1ea1ng c\u1ee7a d\u1ea1ng s\u00f3ng mi\u1ec1n th\u1eddi gian. C\u00e1c b\u1ed9 l\u1ecdc Bessel l\u00e0m gi\u1ea3m thi\u1ec3u s\u1ef1 b\u00f3p m\u00e9o pha n\u00e0y, \u0111i\u1ec1u quan tr\u1ecdng khi vi\u1ec7c di\u1ec5n gi\u1ea3i th\u1eddi gian d\u1ea1ng s\u00f3ng \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n.<\/li>\n<li><strong>Hi\u1ec7u \u1ee9ng d\u1ea1ng s\u00f3ng:<\/strong> b\u1ed9 l\u1ecdc lo\u1ea1i b\u1ecf c\u00e1c bi\u1ebfn thi\u00ean c\u01a1 s\u1edf t\u1ea7n s\u1ed1 th\u1ea5p v\u00e0 t\u1eadp trung <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/time-waveform\/\">d\u1ea1ng s\u00f3ng th\u1eddi gian<\/a> xung quanh kh\u00f4ng, \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 thay \u0111\u1ed5i k\u00fd t\u1ef1 r\u00f5 r\u00e0ng c\u1ee7a n\u00f3. Do \u0111\u00f3, \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i bi\u1ebft b\u1ed9 l\u1ecdc n\u00e0o \u0111\u00e3 \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng khi di\u1ec5n gi\u1ea3i m\u1ed9t d\u1ea1ng s\u00f3ng.<\/li>\n<\/ul>\n<h2>5. K\u1ebft h\u1ee3p B\u1ed9 l\u1ecdc Th\u00f4ng cao v\u1edbi B\u1ed9 l\u1ecdc Kh\u00e1c<\/h2>\n<p>C\u00e1c b\u1ed9 l\u1ecdc th\u00f4ng cao hi\u1ebfm khi ho\u1ea1t \u0111\u1ed9ng \u0111\u1ed9c l\u1eadp. Gh\u00e9p n\u1ed1i m\u1ed9t b\u1ed9 l\u1ecdc th\u00f4ng cao v\u1edbi m\u1ed9t b\u1ed9 l\u1ecdc th\u00f4ng th\u1ea5p t\u1ea1o ra m\u1ed9t <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/band-pass-filter\/\">b\u1ed9 l\u1ecdc th\u00f4ng d\u1ea3i<\/a>: HPF ch\u1eb7n c\u00e1c t\u1ea7n s\u1ed1 th\u1ea5p, LPF ch\u1eb7n c\u00e1c t\u1ea7n s\u1ed1 cao, v\u00e0 s\u1ef1 k\u1ebft h\u1ee3p ch\u1ec9 truy\u1ec1n m\u1ed9t d\u1ea3i gi\u1eefa \u2014 ch\u00ednh x\u00e1c l\u00e0 t\u00ednh ch\u1ecdn l\u1ecdc c\u1ea7n thi\u1ebft \u0111\u1ec3 c\u00f4 l\u1eadp m\u1ed9t d\u1ea3i t\u1ea7n s\u1ed1 c\u1ee5 th\u1ec3. Trong m\u1ed9t b\u1ed9 <strong>x\u1eed l\u00fd \u0111a t\u1ea7ng<\/strong> chu\u1ed7i, ch\u1ed1ng aliasing (th\u00f4ng th\u1ea5p) \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng tr\u01b0\u1edbc khi s\u1ed1 ho\u00e1, b\u1ed9 l\u1ecdc th\u00f4ng cao lo\u1ea1i b\u1ecf DC, v\u00e0 b\u1ed9 l\u1ecdc th\u00f4ng d\u1ea3i \u0111i\u1ec1u ki\u1ec7n t\u00edn hi\u1ec7u cho ph\u00e2n t\u00edch bao; b\u1ed9 l\u1ecdc tu\u1ea7n t\u1ef1 n\u00e0y x\u00e2y d\u1ef1ng \u0111i\u1ec1u h\u00f2a t\u00edn hi\u1ec7u ph\u1ee9c t\u1ea1p t\u1eeb c\u00e1c giai \u0111o\u1ea1n \u0111\u01a1n gi\u1ea3n. N\u01a1i m\u1ed9t th\u00e0nh ph\u1ea7n h\u1eb9p duy nh\u1ea5t ph\u1ea3i b\u1ecb t\u1eeb ch\u1ed1i, m\u1ed9t <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/notch-filter\/\">b\u1ed9 l\u1ecdc ch\u1eafn d\u1ea3i<\/a> l\u00e0 c\u00f4ng c\u1ee5 b\u1ed5 tr\u1ee3.<\/p>\n<h2>6. L\u1ecdc Th\u00f4ng cao trong \u0110o \u0111\u1ea1c Tr\u01b0\u1eddng<\/h2>\n<p>Trong c\u00f4ng vi\u1ec7c tr\u01b0\u1eddng ng\u00e0y th\u01b0\u1eddng, c\u00e0i \u0111\u1eb7t b\u1ed9 l\u1ecdc th\u00f4ng cao ph\u00f9 h\u1ee3p l\u00e0 nh\u1eefng g\u00ec l\u00e0m cho m\u1ed9t l\u1ed7i v\u00f2ng bi m\u1edd hi\u1ec3n th\u1ecb d\u01b0\u1edbi s\u1ef1 rung \u0111\u1ed9ng rotor chi\u1ebfm \u01b0u th\u1ebf. M\u1ed9t m\u00e1y 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 t\u00edn hi\u1ec7u d\u1ea3i r\u1ed9ng c\u1ea7n thi\u1ebft cho c\u1ea3 c\u00e2n b\u1eb1ng v\u00e0 ch\u1ea9n \u0111o\u00e1n, v\u00e0 \u00e1p d\u1ee5ng giai \u0111o\u1ea1n th\u00f4ng cao tr\u01b0\u1edbc ph\u00e2n t\u00edch bao cho ph\u00e9p k\u1ef9 s\u01b0 t\u00e1ch ri\u00eang ban \u0111\u1ea7u <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/bearing-defects\/\">khuy\u1ebft t\u1eadt \u1ed5 tr\u1ee5c<\/a> t\u1eeb \u0111\u00e1p \u1ee9ng m\u1ea5t c\u00e2n b\u1eb1ng 1\u00d7 l\u1edbn tr\u00ean c\u00f9ng m\u1ed9t m\u00e1y. Hi\u1ec3u bi\u1ebft v\u1ec1 c\u00e1c \u0111\u1eb7c t\u00ednh th\u00f4ng cao \u2014 t\u1ea7n s\u1ed1 c\u1eaft, b\u1eadc b\u1ed9 l\u1ecdc, v\u00e0 t\u00e1c \u0111\u1ed9ng \u0111\u1ebfn bi\u00ean \u0111\u1ed9 v\u00e0 pha \u2014 do \u0111\u00f3 l\u00e0 r\u1ea5t c\u1ea7n thi\u1ebft \u0111\u1ec3 ph\u00e2n t\u00edch v\u00f2ng bi \u00e2m thanh, t\u00edch ph\u00e2n t\u00edn hi\u1ec7u \u0111\u00e1ng tin c\u1eady, v\u00e0 b\u1ea5t k\u1ef3 nhi\u1ec7m v\u1ee5 n\u00e0o g\u1ecdi cho \u0111o l\u01b0\u1eddng ch\u1ecdn l\u1ecdc t\u1ea7n s\u1ed1.<\/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 b\u1ed9 l\u1ecdc th\u00f4ng cao trong ph\u00e2n t\u00edch rung \u0111\u1ed9ng, c\u00e1c c\u00f4ng c\u1ee5 x\u1eed l\u00fd t\u00edn hi\u1ec7u cho ph\u00e9p t\u1ea7n s\u1ed1 v\u01b0\u1ee3t qu\u00e1 ng\u01b0\u1ee1ng trong khi ch\u1eb7n t\u1ea7n s\u1ed1 th\u1ea5p, r\u1ea5t c\u1ea7n thi\u1ebft \u0111\u1ec3 ph\u00e1t hi\u1ec7n khuy\u1ebft t\u1eadt \u1ed5 tr\u1ee5c.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[114,109],"tags":[],"class_list":["post-137","glossary","type-glossary","status-publish","hentry","category-analysis","category-glossary"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/glossary\/137","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":2,"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/glossary\/137\/revisions"}],"predecessor-version":[{"id":102174,"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/glossary\/137\/revisions\/102174"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/media?parent=137"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/categories?post=137"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/tags?post=137"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}