{"id":93,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/cross-spectrum\/"},"modified":"2026-05-23T22:41:17","modified_gmt":"2026-05-23T22:41:17","slug":"cross-spectrum","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/vi\/glossary\/cross-spectrum\/","title":{"rendered":"Cross-Spectrum l\u00e0 g\u00ec? Ph\u00e2n t\u00edch t\u1ea7n s\u1ed1 hai k\u00eanh"},"content":{"rendered":"<h1>Hi\u1ec3u v\u1ec1 ph\u1ed5 ch\u00e9o<\/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\/93?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\/93?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\/93?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\/93?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\/93?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\/93?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\/93?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\/93?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\/93?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\/93?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\/93?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\/93?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\/93?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\/93?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>Ph\u1ed5 ch\u00e9o<\/strong> \u2014 c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 ph\u1ed5 c\u00f4ng su\u1ea5t ch\u00e9o ho\u1eb7c m\u1eadt \u0111\u1ed9 ph\u1ed5 ch\u00e9o \u2014 l\u00e0 bi\u1ec3u di\u1ec5n mi\u1ec1n t\u1ea7n s\u1ed1 c\u1ee7a m\u1ed1i quan h\u1ec7 gi\u1eefa hai <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/vibration\/\">rung \u0111\u1ed9ng<\/a> t\u00edn hi\u1ec7u. N\u00f3 \u0111\u01b0\u1ee3c t\u00ednh b\u1eb1ng c\u00e1ch nh\u00e2n <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/fft\/\">FFT<\/a> c\u1ee7a m\u1ed9t t\u00edn hi\u1ec7u b\u1eb1ng li\u00ean h\u1ee3p ph\u1ee9c c\u1ee7a FFT c\u1ee7a t\u00edn hi\u1ec7u kia. Khi m\u1ed9t <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/auto-spectrum\/\">ph\u1ed5 t\u1ef1<\/a> cho th\u1ea5y n\u1ed9i dung t\u1ea7n s\u1ed1 c\u1ee7a m\u1ed9t k\u00eanh duy nh\u1ea5t, ph\u1ed5 ch\u00e9o ti\u1ebft l\u1ed9 nh\u1eefng t\u1ea7n s\u1ed1 n\u00e0o l\u00e0 <em>chung<\/em> cho c\u1ea3 hai t\u00edn hi\u1ec7u v\u00e0 <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/phase\/\">pha<\/a> m\u1ed1i quan h\u1ec7 gi\u1eefa ch\u00fang t\u1ea1i m\u1ed7i t\u1ea7n s\u1ed1.<\/p>\n<p>\u0110i\u1ec1u n\u00e0y l\u00e0m cho ph\u1ed5 ch\u00e9o tr\u1edf th\u00e0nh n\u1ec1n t\u1ea3ng to\u00e1n h\u1ecdc c\u1ee7a ph\u00e2n t\u00edch multi-k\u00eanh n\u00e2ng cao: <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/transfer-function\/\">h\u00e0m truy\u1ec1n<\/a> \u01b0\u1edbc l\u01b0\u1ee3ng, <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/coherence\/\">\u0111\u1ed9 t\u01b0\u01a1ng quan<\/a> ph\u00e2n t\u00edch, v\u00e0 Operating Deflection Shape (<a href=\"https:\/\/vibromera.eu\/vi\/glossary\/ods-analysis\/\">ODS<\/a>) c\u00e1c ph\u00e9p \u0111o \u0111\u1ec1u d\u1ef1a v\u00e0o n\u00f3. Trong th\u1ef1c t\u1ebf, n\u00f3 cho ph\u00e9p m\u1ed9t k\u1ef9 s\u01b0 th\u1ea5y c\u00e1ch rung \u0111\u1ed9ng truy\u1ec1n qua m\u1ed9t c\u1ea5u tr\u00fac v\u00e0 x\u00e1c \u0111\u1ecbnh c\u00e1c m\u1ed1i quan h\u1ec7 nguy\u00ean nh\u00e2n-k\u1ebft qu\u1ea3 gi\u1eefa c\u00e1c v\u1ecb tr\u00ed \u0111o \u2014 \u0111i\u1ec1u m\u00e0 m\u1ed9t <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/spectrum\/\">ph\u1ed5<\/a> \u0111\u01a1n gi\u1ea3n l\u00e0 kh\u00f4ng th\u1ec3 th\u1ef1c hi\u1ec7n \u0111\u01b0\u1ee3c.<\/p>\n<h2>1. \u0110\u1ecbnh Ngh\u0129a To\u00e1n H\u1ecdc<\/h2>\n<h3>T\u00ednh to\u00e1n<\/h3>\n<p>M\u1ed1i quan h\u1ec7 x\u00e1c \u0111\u1ecbnh l\u00e0 g\u1ecdn g\u00e0ng:<\/p>\n<blockquote>\n<p><strong>G<sub>xy<\/sub>(f) = X(f) \u00d7 Y*(f)<\/strong><\/p>\n<\/blockquote>\n<ul>\n<li>X(f) l\u00e0 FFT c\u1ee7a t\u00edn hi\u1ec7u x(t).<\/li>\n<li>Y*(f) l\u00e0 li\u00ean h\u1ee3p ph\u1ee9c c\u1ee7a FFT c\u1ee7a t\u00edn hi\u1ec7u y(t).<\/li>\n<li>K\u1ebft qu\u1ea3 c\u00f3 gi\u00e1 tr\u1ecb ph\u1ee9c, mang c\u1ea3 bi\u00ean \u0111\u1ed9 v\u00e0 pha.<\/li>\n<\/ul>\n<h3>Th\u00e0nh ph\u1ea7n<\/h3>\n<ul>\n<li><strong>Bi\u00ean \u0111\u1ed9 \u2014 |G<sub>xy<\/sub>(f)|:<\/strong> cho th\u1ea5y \u0111\u1ed9 m\u1ea1nh c\u1ee7a n\u1ed9i dung t\u1ea7n s\u1ed1 m\u00e0 hai t\u00edn hi\u1ec7u chia s\u1ebb.<\/li>\n<li><strong>Pha \u2014 \u2220G<sub>xy<\/sub>(f):<\/strong> cho th\u1ea5y \u0111\u1ed9 l\u1ec7ch pha gi\u1eefa c\u00e1c t\u00edn hi\u1ec7u \u1edf m\u1ed7i t\u1ea7n s\u1ed1.<\/li>\n<li><strong>Ph\u1ea7n th\u1ef1c:<\/strong> th\u00e0nh ph\u1ea7n \u0111\u1ed3ng pha, ho\u1eb7c \u0111\u1ed3ng ph\u1ed5.<\/li>\n<li><strong>Ph\u1ea7n \u1ea3o:<\/strong> th\u00e0nh ph\u1ea7n tr\u1ef1c giao, ho\u1eb7c l\u1ec7ch pha 90\u00b0.<\/li>\n<\/ul>\n<h2>2. T\u00ednh ch\u1ea5t<\/h2>\n<p>Ba t\u00ednh ch\u1ea5t \u0111\u1eb7t bi\u1ec3u ph\u1ed5 ch\u00e9o ri\u00eang bi\u1ec7t so v\u1edbi bi\u1ec3u ph\u1ed5 t\u1ef1 \u0111\u1ed9ng quen thu\u1ed9c, v\u00e0 m\u1ed7i t\u00ednh ch\u1ea5t \u0111\u1ec1u quan tr\u1ecdng trong vi\u1ec7c di\u1ec5n gi\u1ea3i.<\/p>\n<h3>N\u00f3 L\u00e0 S\u1ed1 Ph\u1ee9c<\/h3>\n<ul>\n<li>Kh\u00f4ng gi\u1ed1ng nh\u01b0 bi\u1ec3u ph\u1ed5 t\u1ef1 \u0111\u1ed9ng, ch\u1ec9 c\u00f3 gi\u00e1 tr\u1ecb th\u1ef1c, bi\u1ec3u ph\u1ed5 ch\u00e9o l\u00e0 ph\u1ee9c.<\/li>\n<li>Do \u0111\u00f3 n\u00f3 mang c\u1ea3 bi\u00ean \u0111\u1ed9 v\u00e0 pha.<\/li>\n<li>Th\u00f4ng tin pha \u0111\u00f3 ch\u00ednh l\u00e0 \u0111i\u1ec3m m\u1ea5u ch\u1ed1t \u2014 \u0111\u00f3 l\u00e0 nh\u1eefng g\u00ec ti\u1ebft l\u1ed9 m\u1ed1i li\u00ean h\u1ec7 gi\u1eefa hai t\u00edn hi\u1ec7u theo th\u1eddi gian.<\/li>\n<\/ul>\n<h3>N\u00f3 Kh\u00f4ng \u0110\u1ed1i X\u1ee9ng<\/h3>\n<ul>\n<li>N\u00f3i chung G<sub>xy<\/sub>(f) \u2260 G<sub>yx<\/sub>(f).<\/li>\n<li>Th\u1ee9 t\u1ef1 c\u00f3 \u00fd ngh\u0129a \u2014 t\u00edn hi\u1ec7u n\u00e0o b\u1ea1n coi l\u00e0 t\u00edn hi\u1ec7u tham chi\u1ebfu s\u1ebd thay \u0111\u1ed5i k\u1ebft qu\u1ea3.<\/li>\n<li>Formally, G<sub>yx<\/sub>(f) l\u00e0 li\u00ean h\u1ee3p ph\u1ee9c c\u1ee7a G<sub>xy<\/sub>(f), v\u00ec v\u1eady pha \u0111\u01a1n gi\u1ea3n l\u00e0 \u0111\u1ea3o d\u1ea5u.<\/li>\n<\/ul>\n<h3>N\u00f3 Y\u00eau C\u1ea7u L\u1ea5y Trung B\u00ecnh<\/h3>\n<ul>\n<li>M\u1ed9t bi\u1ec3u ph\u1ed5 ch\u00e9o duy nh\u1ea5t c\u00f3 nhi\u1ec1u nhi\u1ec5u v\u00e0 kh\u00f4ng \u0111\u00e1ng tin c\u1eady.<\/li>\n<li>L\u1ea5y trung b\u00ecnh nhi\u1ec1u cross-spectra t\u1ea1o ra m\u1ed9t \u01b0\u1edbc t\u00ednh \u1ed5n \u0111\u1ecbnh.<\/li>\n<li>C\u00e1c th\u00e0nh ph\u1ea7n nhi\u1ec5u kh\u00f4ng t\u01b0\u01a1ng quan trung b\u00ecnh h\u01b0\u1edbng v\u1ec1 kh\u00f4ng v\u00ec pha c\u1ee7a ch\u00fang ng\u1eabu nhi\u00ean t\u1eeb kh\u1ed1i n\u00e0y sang kh\u1ed1i kh\u00e1c.<\/li>\n<li>C\u00e1c th\u00e0nh ph\u1ea7n th\u1ef1c s\u1ef1 t\u01b0\u01a1ng quan gi\u1eef pha nh\u1ea5t qu\u00e1n v\u00e0 t\u0103ng c\u01b0\u1eddng \u2014 ch\u00ednh x\u00e1c l\u00e0 l\u00fd do t\u1ea1i sao vi\u1ec7c l\u1ea5y trung b\u00ecnh l\u00e0m s\u1ea1ch \u01b0\u1edbc t\u00ednh.<\/li>\n<\/ul>\n<h2>3. \u1ee8ng d\u1ee5ng<\/h2>\n<h3>T\u00ednh To\u00e1n H\u00e0m Truy\u1ec1n \u0110\u1ea1t<\/h3>\n<p>\u0110\u00e2y l\u00e0 \u1ee9ng d\u1ee5ng quan tr\u1ecdng nh\u1ea5t duy nh\u1ea5t:<\/p>\n<blockquote>\n<p><strong>H(f) = G<sub>xy<\/sub>(f) \/ G<sub>xx<\/sub>(f)<\/strong><\/p>\n<\/blockquote>\n<ul>\n<li>\u1ede \u0111\u00e2y, x l\u00e0 \u0111\u1ea7u v\u00e0o v\u00e0 y l\u00e0 \u0111\u1ea7u ra.<\/li>\n<li>K\u1ebft qu\u1ea3 cho th\u1ea5y c\u00e1ch h\u1ec7 th\u1ed1ng ph\u1ea3n \u1ee9ng v\u1edbi k\u00edch th\u00edch.<\/li>\n<li>Bi\u00ean \u0111\u1ed9 c\u1ee7a n\u00f3 cho th\u1ea5y khu\u1ebfch \u0111\u1ea1i ho\u1eb7c suy gi\u1ea3m t\u1ea1i m\u1ed7i t\u1ea7n s\u1ed1.<\/li>\n<li>Pha c\u1ee7a n\u00f3 cho th\u1ea5y \u0111\u1ed9 tr\u1ec5 th\u1eddi gian v\u00e0 <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/resonance\/\">s\u1ef1 c\u1ed9ng h\u01b0\u1edfng<\/a> h\u00e0nh vi.<\/li>\n<li>\u0110\u00f3 l\u00e0 ph\u00e9p \u0111o c\u1ed1t l\u00f5i c\u1ee7a <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/modal-analysis\/\">ph\u00e2n t\u00edch modal<\/a> v\u00e0 \u0111\u1ed9ng h\u1ecdc k\u1ebft c\u1ea5u, c\u00f3 li\u00ean quan m\u1eadt thi\u1ebft \u0111\u1ebfn <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/frequency-response-function\/\">ch\u1ee9c n\u0103ng \u0111\u00e1p \u1ee9ng t\u1ea7n s\u1ed1<\/a>.<\/li>\n<\/ul>\n<h3>T\u00ednh To\u00e1n \u0110\u1ed9 K\u1ebft H\u1ee3p<\/h3>\n<ul>\n<li>\u0110\u1ed9 k\u1ebft h\u1ee3p \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a l\u00e0 <strong>|G<sub>xy<\/sub>|\u00b2 \/ (G<sub>xx<\/sub> \u00d7 G<sub>yy<\/sub>)<\/strong>.<\/li>\n<li>N\u00f3 \u0111o m\u1ed1i t\u01b0\u01a1ng quan gi\u1eefa hai t\u00edn hi\u1ec7u t\u1ea1i m\u1ed7i t\u1ea7n s\u1ed1.<\/li>\n<li>N\u00f3 c\u00f3 gi\u00e1 tr\u1ecb t\u1eeb 0 \u0111\u1ebfn 1: gi\u00e1 tr\u1ecb 1 c\u00f3 ngh\u0129a l\u00e0 t\u01b0\u01a1ng quan ho\u00e0n h\u1ea3o, 0 c\u00f3 ngh\u0129a l\u00e0 kh\u00f4ng c\u00f3 t\u01b0\u01a1ng quan n\u00e0o c\u1ea3.<\/li>\n<li>N\u00f3 x\u00e1c th\u1ef1c ch\u1ea5t l\u01b0\u1ee3ng ph\u00e9p \u0111o v\u00e0 \u0111\u00e1nh d\u1ea5u n\u01a1i k\u1ebft qu\u1ea3 b\u1ecb h\u1ecfng do nhi\u1ec5u &mdash; kh\u00f4ng th\u1ec3 thi\u1ebfu trong <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/bump-test\/\">ki\u1ec3m tra va ch\u1ea1m<\/a> ho\u1eb7c kh\u1ea3o s\u00e1t ph\u01b0\u01a1ng th\u00e1i.<\/li>\n<\/ul>\n<h3>X\u00e1c \u0111\u1ecbnh M\u1ed1i Quan H\u1ec7 Pha<\/h3>\n<ul>\n<li>Pha t\u1eeb ph\u1ed5 ch\u00e9o ti\u1ebft l\u1ed9 \u0111\u1ed9 tr\u1ec5 th\u1eddi gian ho\u1eb7c c\u1ed9ng h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp.<\/li>\n<li><strong>0\u00b0:<\/strong> c\u00e1c t\u00edn hi\u1ec7u c\u00f9ng pha, chuy\u1ec3n \u0111\u1ed9ng c\u00f9ng nhau.<\/li>\n<li><strong>180\u00b0:<\/strong> c\u00e1c t\u00edn hi\u1ec7u ng\u01b0\u1ee3c pha, chuy\u1ec3n \u0111\u1ed9ng ng\u01b0\u1ee3c nhau.<\/li>\n<li><strong>90\u00b0:<\/strong> vu\u00f4ng pha, cho th\u1ea5y c\u1ed9ng h\u01b0\u1edfng ho\u1eb7c \u0111\u1ed9 tr\u1ec5 th\u1eddi gian thu\u1ea7n t\u00fay.<\/li>\n<li>\u0110\u00e2y l\u00e0 c\u01a1 s\u1edf ch\u1ea9n \u0111o\u00e1n cho <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/mode-shape\/\">h\u00ecnh d\u1ea1ng ch\u1ebf \u0111\u1ed9<\/a> v\u00e0 \u0111\u1ec3 truy v\u1ebft truy\u1ec1n t\u1ea3i rung \u0111\u1ed9ng.<\/li>\n<\/ul>\n<h3>Lo\u1ea1i Nhi\u1ec5u C\u00f9ng Ch\u1ebf \u0110\u1ed9<\/h3>\n<ul>\n<li>Ph\u1ed5 ch\u00e9o t\u00e1ch bi\u1ec7t c\u00e1c th\u00e0nh ph\u1ea7n t\u1ea7n s\u1ed1 chung cho c\u1ea3 hai k\u00eanh.<\/li>\n<li>Nhi\u1ec5u kh\u00f4ng t\u01b0\u01a1ng quan tri\u1ec7t ti\u00eau qua l\u1ea5y trung b\u00ecnh.<\/li>\n<li>C\u00e1c th\u00e0nh ph\u1ea7n t\u00edn hi\u1ec7u th\u1ef1c s\u1ef1, \u0111\u01b0\u1ee3c chia s\u1ebb, n\u1ed5i l\u00ean t\u1eeb n\u1ec1n.<\/li>\n<li>L\u1ee3i \u00edch th\u1ef1c ti\u1ec5n l\u00e0 t\u1ef7 l\u1ec7 t\u00edn hi\u1ec7u tr\u00ean nhi\u1ec5u t\u1ed1t h\u01a1n.<\/li>\n<\/ul>\n<h2>4. C\u00e1c T\u00ecnh Hu\u1ed1ng \u0110o L\u01b0\u1eddng Th\u1ef1c Ti\u1ec5n<\/h2>\n<p>\u00dd t\u01b0\u1edfng tr\u1eebu t\u01b0\u1ee3ng tr\u1edf n\u00ean c\u1ee5 th\u1ec3 ngay khi hai c\u1ea3m bi\u1ebfn \u0111\u01b0\u1ee3c g\u1eafn v\u00e0o m\u00e1y th\u1ef1c t\u1ebf. Ba c\u00e0i \u0111\u1eb7t h\u00e0ng ng\u00e0y cho th\u1ea5y gi\u00e1 tr\u1ecb.<\/p>\n<h3>So s\u00e1nh v\u00f2ng bi<\/h3>\n<ul>\n<li>T\u00edn hi\u1ec7u X: rung \u0111\u1ed9ng t\u1ea1i v\u00f2i bi 1. T\u00edn hi\u1ec7u Y: rung \u0111\u1ed9ng t\u1ea1i v\u00f2i bi 2.<\/li>\n<li>Ph\u1ed5 ch\u00e9o cho th\u1ea5y c\u00e1c t\u1ea7n s\u1ed1 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u1ea3 hai \u1ed5 bi c\u00f9ng m\u1ed9t l\u00fac.<\/li>\n<li>\u0110i\u1ec1u \u0111\u00f3 t\u00e1ch bi\u1ec7t m\u1ed9t v\u1ea5n \u0111\u1ec1 chung, li\u00ean quan \u0111\u1ebfn rotor kh\u1ecfi m\u1ed9t v\u1ea5n \u0111\u1ec1 c\u1ee5c b\u1ed9 cho m\u1ed9t <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/bearing-defects\/\">mang<\/a>.<\/li>\n<\/ul>\n<h3>Ph\u00e2n T\u00edch \u0110\u1ea7u V\u00e0o\u2013\u0110\u1ea7u Ra<\/h3>\n<ul>\n<li>T\u00edn hi\u1ec7u X: l\u1ef1c ho\u1eb7c rung \u0111\u1ed9ng t\u1ea1i \u0111\u1ea7u v\u00e0o &mdash; m\u1ed9t kh\u1edbp n\u1ed1i ho\u1eb7c \u1ed5 bi d\u1eabn \u0111\u1ed9ng.<\/li>\n<li>T\u00edn hi\u1ec7u Y: ph\u1ea3n \u1ee9ng \u1edf \u0111\u1ea7u ra \u2014 \u1ed5 tr\u1ee5c c\u1ee7a thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c truy\u1ec1n \u0111\u1ed9ng.<\/li>\n<li>Ph\u1ed5 ch\u00e9o ti\u1ebft l\u1ed9 c\u00e1c \u0111\u1eb7c t\u00ednh truy\u1ec1n \u0111\u1ed9ng gi\u1eefa ch\u00fang.<\/li>\n<li>H\u00e0m truy\u1ec1n d\u1eabn \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n sau \u0111\u00f3 s\u1ebd \u0111\u1ecbnh l\u01b0\u1ee3ng ch\u00ednh x\u00e1c c\u00e1ch rung \u0111\u1ed9ng truy\u1ec1n tr\u00ean <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/coupling-defects\/\">gh\u00e9p n\u1ed1i<\/a>.<\/li>\n<\/ul>\n<h3>Truy\u1ec1n \u0111\u1ed9ng k\u1ebft c\u1ea5u<\/h3>\n<ul>\n<li>T\u00edn hi\u1ec7u X: rung \u0111\u1ed9ng v\u1ecf v\u00f2i bi. T\u00edn hi\u1ec7u Y: rung \u0111\u1ed9ng n\u1ec1n t\u1ea3ng ho\u1eb7c khung.<\/li>\n<li>Ph\u1ed5 ch\u00e9o cho th\u1ea5y t\u1ea7n s\u1ed1 n\u00e0o th\u1ef1c s\u1ef1 \u0111\u1ea1t t\u1edbi c\u1ea5u tr\u00fac.<\/li>\n<li>\u0110i\u1ec1u \u0111\u00f3 h\u01b0\u1edbng d\u1eabn c\u00e1c quy\u1ebft \u0111\u1ecbnh v\u1ec1 c\u00e1ch ly ho\u1eb7c gia c\u1ee9ng, v\u00e0 k\u1ebft n\u1ed1i tr\u1ef1c ti\u1ebfp t\u1edbi <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/foundation-stiffness\/\">\u0111\u1ed9 c\u1ee9ng n\u1ec1n<\/a> and <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/structural-resonance\/\">c\u1ed9ng h\u01b0\u1edfng c\u1ea5u tr\u00fac<\/a> v\u1ea5n \u0111\u1ec1.<\/li>\n<\/ul>\n<h2>5. Gi\u1ea3i th\u00edch Ph\u1ed5 Ch\u00e9o<\/h2>\n<h3>\u0110\u1ed9 L\u1edbn Cao t\u1ea1i m\u1ed9t T\u1ea7n S\u1ed1<\/h3>\n<ul>\n<li>Ch\u1ec9 ra m\u1ed1i t\u01b0\u01a1ng quan m\u1ea1nh gi\u1eefa c\u00e1c t\u00edn hi\u1ec7u t\u1ea1i t\u1ea7n s\u1ed1 \u0111\u00f3.<\/li>\n<li>Ch\u1ec9 ra ngu\u1ed3n chung ho\u1eb7c li\u00ean k\u1ebft m\u1ea1nh gi\u1eefa hai v\u1ecb tr\u00ed.<\/li>\n<li>Th\u00e0nh ph\u1ea7n th\u1ef1c s\u1ef1 c\u00f3 m\u1eb7t trong c\u1ea3 hai t\u00edn hi\u1ec7u.<\/li>\n<\/ul>\n<h3>\u0110\u1ed9 L\u1edbn Th\u1ea5p t\u1ea1i m\u1ed9t T\u1ea7n S\u1ed1<\/h3>\n<ul>\n<li>Cho th\u1ea5y t\u01b0\u01a1ng quan y\u1ebfu \u2014 li\u00ean k\u1ebft y\u1ebfu, ho\u1eb7c kh\u00f4ng c\u00f3 ngu\u1ed3n chung.<\/li>\n<li>Th\u00e0nh ph\u1ea7n c\u00f3 th\u1ec3 t\u1ed3n t\u1ea1i trong m\u1ed9t t\u00edn hi\u1ec7u nh\u01b0ng kh\u00f4ng c\u00f3 trong t\u00edn hi\u1ec7u kia.<\/li>\n<li>Ho\u1eb7c n\u00f3 c\u00f3 th\u1ec3 ch\u1ec9 l\u00e0 nhi\u1ec5u kh\u00f4ng t\u01b0\u01a1ng quan t\u1eeb c\u00e1c ngu\u1ed3n kh\u00e1c nhau.<\/li>\n<\/ul>\n<h3>Th\u00f4ng tin pha<\/h3>\n<ul>\n<li><strong>0\u00b0:<\/strong> c\u00e1c t\u00edn hi\u1ec7u chuy\u1ec3n \u0111\u1ed9ng c\u00f9ng nhau \u2014 m\u1ed9t k\u1ebft n\u1ed1i c\u1ee9ng nh\u1eafc, ho\u1eb7c v\u1eadn h\u00e0nh d\u01b0\u1edbi c\u1ed9ng h\u01b0\u1edfng.<\/li>\n<li><strong>180\u00b0:<\/strong> c\u00e1c t\u00edn hi\u1ec7u chuy\u1ec3n \u0111\u1ed9ng ng\u01b0\u1ee3c chi\u1ec1u \u2014 tr\u00ean c\u1ed9ng h\u01b0\u1edfng, ho\u1eb7c qua m\u1ed9t \u0111\u01b0\u1eddng \u0111\u1ed1i x\u1ee9ng.<\/li>\n<li><strong>90\u00b0:<\/strong> tr\u1ef1c giao \u2014 t\u1ea1i c\u1ed9ng h\u01b0\u1edfng, ho\u1eb7c ph\u00e1t sinh t\u1eeb m\u1ed9t h\u00ecnh h\u1ecdc c\u1ee5 th\u1ec3.<\/li>\n<li><strong>Pha ph\u1ee5 thu\u1ed9c t\u1ea7n s\u1ed1:<\/strong> c\u00e1ch pha thay \u0111\u1ed5i theo t\u1ea7n s\u1ed1 l\u00e0m l\u1ed9 h\u00e0nh vi \u0111\u1ed9ng c\u1ee7a c\u1ea5u tr\u00fac.<\/li>\n<\/ul>\n<h2>6. C\u00e1c \u1ee8ng D\u1ee5ng N\u00e2ng Cao<\/h2>\n<h3>Ph\u00e2n T\u00edch Nhi\u1ec1u \u0110\u1ea7u V\u00e0o \/ \u0110\u1ea7u Ra<\/h3>\n<ul>\n<li>M\u1ed9t s\u1ed1 t\u00edn hi\u1ec7u tham chi\u1ebfu \u0111\u01b0\u1ee3c gh\u00e9p n\u1ed1i v\u1edbi m\u1ed9t s\u1ed1 t\u00edn hi\u1ec7u ph\u1ea3n \u1ee9ng.<\/li>\n<li>K\u1ebft qu\u1ea3 l\u00e0 m\u1ed9t ma tr\u1eadn \u0111\u1ea7y \u0111\u1ee7 c\u00e1c ph\u1ed5 ch\u00e9o.<\/li>\n<li>N\u00f3 x\u00e1c \u0111\u1ecbnh nhi\u1ec1u \u0111\u01b0\u1eddng truy\u1ec1n t\u1ea3i \u0111\u1ed3ng th\u1eddi.<\/li>\n<li>\u0110\u00e2y l\u00e0 c\u00e1ch c\u00e1c h\u1ec7 th\u1ed1ng th\u1ef1c s\u1ef1 ph\u1ee9c t\u1ea1p \u0111\u01b0\u1ee3c m\u00f4 t\u1ea3 \u0111\u1eb7c t\u00ednh.<\/li>\n<\/ul>\n<h3>H\u00ecnh d\u1ea1ng l\u1ec7ch v\u1eadn h\u00e0nh<\/h3>\n<ul>\n<li>Ph\u1ed5 ch\u00e9o \u0111\u01b0\u1ee3c l\u1ea5y gi\u1eefa nhi\u1ec1u \u0111i\u1ec3m \u0111o l\u01b0\u1eddng xung quanh m\u00e1y.<\/li>\n<li>M\u1ed1i quan h\u1ec7 pha c\u1ee7a ch\u00fang x\u00e1c \u0111\u1ecbnh m\u00f4 h\u00ecnh bi\u1ebfn d\u1ea1ng.<\/li>\n<li>Chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a to\u00e0n b\u1ed9 c\u1ea5u tr\u00fac sau \u0111\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c tr\u1ef1c quan h\u00f3a v\u00e0 t\u1ea1o ho\u1ea1t h\u00ecnh.<\/li>\n<li>C\u00e1c ch\u1ebf \u0111\u1ed9 c\u1ed9ng h\u01b0\u1edfng n\u1ed5i b\u1eadt r\u00f5 r\u00e0ng trong k\u1ebft qu\u1ea3.<\/li>\n<\/ul>\n<h2>7. Ph\u1ed5 Ch\u00e9o trong C\u00e2n B\u1eb1ng Tr\u1ef1c Ti\u1ebfp<\/h2>\n<p>M\u1eb7c d\u00f9 ph\u1ed5 ch\u00e9o \u0111\u01b0\u1ee3c li\u00ean k\u1ebft nhi\u1ec1u nh\u1ea5t v\u1edbi c\u00f4ng t\u00e1c ph\u00e2n t\u00edch ch\u1ebf \u0111\u1ed9 v\u00e0 c\u1ea5u tr\u00fac, c\u00f9ng m\u1ed9t ph\u01b0\u01a1ng tr\u00ecnh to\u00e1n h\u1ecdc hai k\u00eanh c\u0169ng l\u00e0 n\u1ec1n t\u1ea3ng c\u1ee7a <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/field-balancing\/\">c\u00e2n b\u1eb1ng t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng<\/a>. M\u1ed9t thi\u1ebft b\u1ecb hai k\u00eanh di \u0111\u1ed9ng nh\u01b0 <a href=\"https:\/\/vibromera.eu\/vi\/san-pham\/balanset-1\/\">Balanset-1A<\/a> ghi l\u1ea1i dao \u0111\u1ed9ng t\u1ea1i hai m\u1eb7t ph\u1eb3ng \u1ed5 \u0111\u1ee1 c\u00f9ng m\u1ed9t l\u00fac v\u00e0 tham chi\u1ebfu c\u1ea3 hai \u0111\u1ebfn xung xoay m\u1ed9t l\u1ea7n m\u1ed7i v\u00f2ng c\u1ee7a m\u00e1y \u0111o tachometer, do \u0111\u00f3 n\u00f3 c\u00f3 th\u1ec3 ph\u00e2n gi\u1ea3i bi\u00ean \u0111\u1ed9 v\u00e0 pha c\u1ee7a th\u00e0nh ph\u1ea7n 1\u00d7 t\u1ea1i m\u1ed7i m\u1eb7t ph\u1eb3ng v\u00e0 t\u00ednh to\u00e1n <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/influence-coefficient\/\">h\u1ec7 s\u1ed1 \u1ea3nh h\u01b0\u1edfng<\/a> li\u00ean k\u1ebft tr\u1ecdng l\u01b0\u1ee3ng \u1edf m\u1ed9t m\u1eb7t ph\u1eb3ng v\u1edbi ph\u1ea3n \u1ee9ng \u1edf m\u1eb7t ph\u1eb3ng kh\u00e1c. M\u1ed1i quan h\u1ec7 hai k\u00eanh \u0111\u01b0\u1ee3c tham chi\u1ebfu pha \u0111\u00f3 v\u1ec1 m\u1eb7t kh\u00e1i ni\u1ec7m l\u00e0 ph\u1ed5 ch\u00e9o t\u1eadp trung v\u00e0o t\u1ed1c \u0111\u1ed9 ch\u1ea1y \u2014 v\u00e0 \u0111\u00f3 ch\u00ednh x\u00e1c l\u00e0 \u0111i\u1ec1u t\u1ea1o n\u00ean <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/dynamic-balancing\/\">C\u00e2n b\u1eb1ng \u0111\u1ed9ng<\/a> c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n tr\u00ean m\u1ed9t m\u00e1y l\u1eafp r\u00e1p.<\/p>\n<p>T\u00f3m l\u1ea1i, ph\u1ed5 ch\u00e9o m\u1edf r\u1ed9ng ph\u00e2n t\u00edch t\u1ea7n s\u1ed1 t\u1eeb m\u1ed9t k\u00eanh \u0111\u1ebfn nhi\u1ec1u k\u00eanh, ph\u01a1i b\u00e0y c\u00e1c m\u1ed1i quan h\u1ec7 gi\u1eefa c\u00e1c t\u00edn hi\u1ec7u gi\u00fap t\u00ednh to\u00e1n h\u00e0m truy\u1ec1n, x\u00e1c th\u1ef1c \u0111\u1ed9 li\u00ean k\u1ebft, v\u00e0 hi\u1ec3u bi\u1ebft v\u1ec1 c\u00e1ch dao \u0111\u1ed9ng truy\u1ec1n qua m\u00e1y v\u00e0 c\u00e1c gi\u00e1 \u0111\u1ee1 c\u1ee7a n\u00f3. Ph\u1ee9c t\u1ea1p h\u01a1n ph\u1ed5 t\u1ef1 \u0111\u1ed9ng, n\u00f3 v\u1eabn l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft cho th\u1eed nghi\u1ec7m ph\u00e2n t\u00edch ch\u1ebf \u0111\u1ed9, \u0111\u1ed9ng l\u1ef1c h\u1ecdc c\u1ea5u tr\u00fac, v\u00e0 b\u1ea5t k\u1ef3 ch\u1ea9n \u0111o\u00e1n tinh vi n\u00e0o d\u1ef1a tr\u00ean \u0111o l\u01b0\u1eddng nhi\u1ec1u \u0111i\u1ec3m.<\/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 ph\u00e2n t\u00edch t\u1ea7n s\u1ed1, ph\u1ed5 ch\u00e9o li\u00ean quan \u0111\u1ebfn hai t\u00edn hi\u1ec7u rung \u0111\u1ed9ng cho th\u1ea5y n\u1ed9i dung t\u1ea7n s\u1ed1 chung v\u00e0 m\u1ed1i quan h\u1ec7 pha, c\u1ea7n thi\u1ebft cho ph\u00e2n t\u00edch h\u00e0m truy\u1ec1n v\u00e0 t\u00ednh nh\u1ea5t qu\u00e1n.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[114,109],"tags":[],"class_list":["post-93","glossary","type-glossary","status-publish","hentry","category-analysis","category-glossary"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/glossary\/93","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\/93\/revisions"}],"predecessor-version":[{"id":101329,"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/glossary\/93\/revisions\/101329"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/media?parent=93"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/categories?post=93"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/tags?post=93"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}