{"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\/lt\/glossary\/cross-spectrum\/","title":{"rendered":"Kas yra kry\u017eminis spektras? Dviej\u0173 kanal\u0173 da\u017eni\u0173 analiz\u0117"},"content":{"rendered":"<h1>Kry\u017eminio spektro supratimas<\/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\/lt\/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\/lt\/product\/balanset-1\/\" title=\"Ne\u0161iojamas balansavimo \u012frenginys ir vibracijos analizatorius Balanset-1A\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Balanset-1A pilno komplekto ne\u0161iojamas balansavimo \u012frenginys ir vibracijos analizatorius\" 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\/lt\/product-category\/devices\/\" rel=\"tag\">\u012erenginiai<\/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\/lt\/product\/balanset-1\/\" title=\"Ne\u0161iojamas balansavimo \u012frenginys ir vibracijos analizatorius Balanset-1A\">Ne\u0161iojamas balansavimo \u012frenginys ir vibracijos analizatorius 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\">&euro;<\/span>1,975.00<\/span> + PVM (jei taikoma)<\/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=\"\/lt\/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=\"\u012e krep\u0161el\u012f\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"\u012e krep\u0161el\u012f\" 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=\"\/lt\/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=\"Add to cart: \u201cPortable balancer &amp; Vibration analyzer Balanset-1A\u201d\" rel=\"nofollow\" data-success_message=\"\u201cPortable balancer &amp; Vibration analyzer Balanset-1A\u201d has been added to your cart\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">\u012e krep\u0161el\u012f<\/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\/lt\/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\/lt\/product\/vibration-sensor\/\" title=\"Vibracijos jutiklis\">\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=\"&quot;Balanset-1A&quot; vibracijos jutiklis stambiu planu\" 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\/lt\/product-category\/parts\/\" rel=\"tag\">Dalys<\/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\/lt\/product\/vibration-sensor\/\" title=\"Vibracijos jutiklis\">Vibracijos jutiklis<\/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\">&euro;<\/span>90.00<\/span> + PVM (jei taikoma)<\/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=\"\/lt\/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=\"\u012e krep\u0161el\u012f\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"\u012e krep\u0161el\u012f\" 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=\"\/lt\/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=\"Add to cart: \u201cVibration sensor\u201d\" rel=\"nofollow\" data-success_message=\"\u201cVibration sensor\u201d has been added to your cart\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">\u012e krep\u0161el\u012f<\/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\/lt\/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\/lt\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Optinis jutiklis (lazerinis tachometras)\">\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=\"Optinis jutiklis (lazerinis tachometras)\" 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\/lt\/product-category\/parts\/\" rel=\"tag\">Dalys<\/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\/lt\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Optinis jutiklis (lazerinis tachometras)\">Optinis jutiklis (lazerinis tachometras)<\/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\">&euro;<\/span>124.00<\/span> + PVM (jei taikoma)<\/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=\"\/lt\/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=\"\u012e krep\u0161el\u012f\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"\u012e krep\u0161el\u012f\" 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=\"\/lt\/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=\"Add to cart: \u201cOptical Sensor (Laser Tachometer)\u201d\" rel=\"nofollow\" data-success_message=\"\u201cOptical Sensor (Laser Tachometer)\u201d has been added to your cart\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">\u012e krep\u0161el\u012f<\/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\/lt\/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\/lt\/product\/balanset-4\/\" title=\"Balanset-4\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Vibromera rotoriaus balansavimo rinkinys: ne\u0161iojimo d\u0117klas, daugiakanalis signalo kondicionierius, rankinis analizatorius, magnetinis pagrindas, vibracijos jutikliai ir susukti kabeliai.\" 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\/lt\/product-category\/devices\/\" rel=\"tag\">\u012erenginiai<\/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\/lt\/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\">&euro;<\/span>6,803.00<\/span> + PVM (jei taikoma)<\/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=\"\/lt\/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=\"\u012e krep\u0161el\u012f\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"\u012e krep\u0161el\u012f\" 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=\"\/lt\/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=\"Add to cart: \u201cBalanset-4\u201d\" rel=\"nofollow\" data-success_message=\"\u201cBalanset-4\u201d has been added to your cart\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">\u012e krep\u0161el\u012f<\/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\/lt\/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\/lt\/product\/magnet-stand\/\" title=\"Magnetinis stovas 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=\"Magneto pagrindas.\" 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\/lt\/product-category\/parts\/\" rel=\"tag\">Dalys<\/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\/lt\/product\/magnet-stand\/\" title=\"Magnetinis stovas Insize-60-kgf\">Magnetinis stovas 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\">&euro;<\/span>46.00<\/span> + PVM (jei taikoma)<\/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=\"\/lt\/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=\"\u012e krep\u0161el\u012f\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"\u012e krep\u0161el\u012f\" 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=\"\/lt\/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=\"Add to cart: \u201cMagnetic Stand Insize-60-kgf\u201d\" rel=\"nofollow\" data-success_message=\"\u201cMagnetic Stand Insize-60-kgf\u201d has been added to your cart\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">\u012e krep\u0161el\u012f<\/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\/lt\/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\/lt\/product\/reflective-tape\/\" title=\"Atspindinti juosta\">\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=\"Atspindinti juosta\" 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\/lt\/product-category\/parts\/\" rel=\"tag\">Dalys<\/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\/lt\/product\/reflective-tape\/\" title=\"Atspindinti juosta\">Atspindinti juosta<\/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\">&euro;<\/span>10.00<\/span> + PVM (jei taikoma)<\/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=\"\/lt\/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=\"\u012e krep\u0161el\u012f\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"\u012e krep\u0161el\u012f\" 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=\"\/lt\/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=\"Add to cart: \u201cReflective tape\u201d\" rel=\"nofollow\" data-success_message=\"\u201cReflective tape\u201d has been added to your cart\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">\u012e krep\u0161el\u012f<\/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\/lt\/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\/lt\/product\/dynamic-balancer-balanset-1a\/\" title=\"Dinaminis balansavimo \u012frenginys &quot;Balanset-1A&quot; OEM\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"&quot;Balanset-1A&quot; rinkinio turinys su s\u0105sajos bloku, jutikliais, tachometru ir priedais\" 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\/lt\/product-category\/devices\/\" rel=\"tag\">\u012erenginiai<\/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\/lt\/product\/dynamic-balancer-balanset-1a\/\" title=\"Dinaminis balansavimo \u012frenginys &quot;Balanset-1A&quot; OEM\">Dinaminis balansavimo \u012frenginys \"Balanset-1A\" OEM<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">&euro;<\/span>1,735.00<\/span> + PVM (jei taikoma)<\/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=\"\/lt\/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=\"\u012e krep\u0161el\u012f\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"\u012e krep\u0161el\u012f\" 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=\"\/lt\/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=\"Add to cart: \u201cDynamic balancer \u201cBalanset-1A\u201d OEM\u201d\" rel=\"nofollow\" data-success_message=\"\u201cDynamic balancer \u201cBalanset-1A\u201d OEM\u201d has been added to your cart\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">\u012e krep\u0161el\u012f<\/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>Kry\u017eminis spektras<\/strong> \u2014 dar vadinamas kry\u017eminiu galios spektru arba kry\u017eminiu spektriniu tankiu \u2014 tai dviej\u0173 vienu metu matuojam\u0173 dyd\u017ei\u0173 santykio atvaizdavimas da\u017eni\u0173 srityje <a href=\"https:\/\/vibromera.eu\/lt\/glossary\/vibration\/\">vibracija<\/a> signalus. Jis apskai\u010diuojamas padauginus <a href=\"https:\/\/vibromera.eu\/lt\/glossary\/fft\/\">FFT<\/a> vieno signalo ir kito signalo FFT kompleksinio konjugato. Kai <a href=\"https:\/\/vibromera.eu\/lt\/glossary\/auto-spectrum\/\">automatinis spektras<\/a> rodo vieno kanalo da\u017eni\u0173 sud\u0117t\u012f, o kry\u017eminis spektras atskleid\u017eia, kokie da\u017eniai yra <em>common<\/em> tiek signalams, tiek <a href=\"https:\/\/vibromera.eu\/lt\/glossary\/phase\/\">faz\u0117<\/a> ry\u0161ys tarp j\u0173 kiekviename da\u017enyje.<\/p>\n<p>Tai rei\u0161kia, kad kry\u017eminis spektras yra pa\u017eangios daugiakanal\u0117s analiz\u0117s matematinis pagrindas: <a href=\"https:\/\/vibromera.eu\/lt\/glossary\/transfer-function\/\">perdavimo funkcija<\/a> estimation, <a href=\"https:\/\/vibromera.eu\/lt\/glossary\/coherence\/\">darna<\/a> analiz\u0117 ir eksploatacin\u0117 deformacijos forma (<a href=\"https:\/\/vibromera.eu\/lt\/glossary\/ods-analysis\/\">ODS<\/a>) matavimai visi grind\u017eiami \u0161ia informacija. Praktikoje tai leid\u017eia in\u017einieriui pamatyti, kaip vibracija sklinda per konstrukcij\u0105, ir nustatyti prie\u017easties ir pasekm\u0117s ry\u0161ius tarp matavimo ta\u0161k\u0173 \u2013 tai, ko negalima pasiekti naudojant vienkanal\u012f <a href=\"https:\/\/vibromera.eu\/lt\/glossary\/spectrum\/\">spektras<\/a> tiesiog negali padaryti.<\/p>\n<h2>1. Matematinis apibr\u0117\u017eimas<\/h2>\n<h3>Skai\u010diavimas<\/h3>\n<p>Apibr\u0117\u017eiamasis ry\u0161ys yra glaudus:<\/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) yra signalo x(t) greitoji Furj\u0117 transformacija.<\/li>\n<li>Y*(f) yra signalo y(t) FFT kompleksinis konjugatas.<\/li>\n<li>Rezultatas yra kompleksinis skai\u010dius, apimantis tiek dyd\u012f, tiek faz\u0119.<\/li>\n<\/ul>\n<h3>Komponentai<\/h3>\n<ul>\n<li><strong>Amplitud\u0117 \u2014 |G<sub>xy<\/sub>(f)|:<\/strong> rodo bendr\u0105 abiej\u0173 signal\u0173 da\u017eni\u0173 sud\u0117ties stiprum\u0105.<\/li>\n<li><strong>Phase \u2014 \u2220G<sub>xy<\/sub>(f):<\/strong> rodo signal\u0173 fazi\u0173 skirtum\u0105 kiekviename da\u017enyje.<\/li>\n<li><strong>Real part:<\/strong> sinchronin\u0117, arba spektrin\u0117, sudedamoji dalis.<\/li>\n<li><strong>Menamoji dalis:<\/strong> kvadrat\u016brin\u0117, arba 90\u00b0 faz\u0117s skirtumu pasi\u017eyminti, sudedamoji dalis.<\/li>\n<\/ul>\n<h2>2. Properties<\/h2>\n<p>Tris savybes, kurios i\u0161skiria kry\u017emin\u012f spektr\u0105 nuo \u012fprasto automatinio spektro, ir kiekviena i\u0161 j\u0173 yra svarbi interpretuojant.<\/p>\n<h3>Tai yra kompleksinis skai\u010dius<\/h3>\n<ul>\n<li>Skirtingai nuo automatinio spektro, kuris yra tik realusis, kry\u017eminis spektras yra kompleksinis.<\/li>\n<li>Tod\u0117l jis apima tiek amplitud\u0119, tiek faz\u0119.<\/li>\n<li>B\u016btent ta faz\u0117s informacija ir yra esm\u0117 \u2013 ji atskleid\u017eia, kaip \u0161ie du signalai susij\u0119 laiko at\u017evilgiu.<\/li>\n<\/ul>\n<h3>Tai n\u0117ra simetri\u0161ka<\/h3>\n<ul>\n<li>Apskritai G<sub>xy<\/sub>(f) \u2260 G<sub>yx<\/sub>(f).<\/li>\n<li>Eil\u0117s tvarka yra svarbi \u2013 tai, kur\u012f signal\u0105 laikysite atskaitos ta\u0161ku, lemia rezultat\u0105.<\/li>\n<li>Formally, G<sub>yx<\/sub>(f) yra G kompleksinis konjugatas<sub>xy<\/sub>(f), taigi faz\u0117 tiesiog pakei\u010dia \u017eenkl\u0105.<\/li>\n<\/ul>\n<h3>Reikia apskai\u010diuoti vidurk\u012f<\/h3>\n<ul>\n<li>Vienas spektras yra triuk\u0161mingas ir nepatikimas.<\/li>\n<li>Apskai\u010diuojant vidurk\u012f i\u0161 daugelio kry\u017emini\u0173 spektr\u0173 gaunamas stabilus \u012fvertis.<\/li>\n<li>Nesusijusi\u0173 triuk\u0161mo komponent\u0173 vidurkis art\u0117ja prie nulio, nes j\u0173 faz\u0117 skiriasi nuo bloko prie bloko.<\/li>\n<li>Tikrai tarpusavyje susij\u0119 komponentai i\u0161laiko nuosekli\u0105 faz\u0119 ir sustiprina vienas kit\u0105 \u2013 b\u016btent tod\u0117l vidurkavimas pagerina \u012fvertinim\u0105.<\/li>\n<\/ul>\n<h2>3. Parai\u0161kos<\/h2>\n<h3>Perk\u0117limo funkcijos apskai\u010diavimas<\/h3>\n<p>Tai yra svarbiausia programa:<\/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>\u010cia x yra \u012fvestis, o y \u2013 i\u0161vestis.<\/li>\n<li>Rezultatas rodo, kaip sistema reaguoja \u012f su\u017eadinim\u0105.<\/li>\n<li>Jo dydis rodo signalo sustiprinim\u0105 arba susilpn\u0117jim\u0105 kiekviename da\u017enyje.<\/li>\n<li>Jo faz\u0117 rodo laiko u\u017edelsim\u0105 ir <a href=\"https:\/\/vibromera.eu\/lt\/glossary\/resonance\/\">rezonansas<\/a> behaviour.<\/li>\n<li>Tai yra pagrindinis rodiklis <a href=\"https:\/\/vibromera.eu\/lt\/glossary\/modal-analysis\/\">modalin\u0117 analiz\u0117<\/a> ir strukt\u016brin\u0117 dinamika, glaud\u017eiai susijusi su <a href=\"https:\/\/vibromera.eu\/lt\/glossary\/frequency-response-function\/\">da\u017enio atsako funkcija<\/a>.<\/li>\n<\/ul>\n<h3>Nuoseklumo skai\u010diavimas<\/h3>\n<ul>\n<li>Nuoseklumas apibr\u0117\u017eiamas kaip <strong>|G<sub>xy<\/sub>|\u00b2 \/ (G<sub>xx<\/sub> \u00d7 G<sub>mmmm<\/sub>)<\/strong>.<\/li>\n<li>Jis matuoja dviej\u0173 signal\u0173 koreliacij\u0105 kiekviename da\u017enyje.<\/li>\n<li>Jis svyruoja nuo 0 iki 1: vert\u0117 1 rei\u0161kia tobul\u0105 koreliacij\u0105, o 0 \u2013 visi\u0161k\u0105 jos nebuvim\u0105.<\/li>\n<li>\u0160i funkcija patikrina matavimo kokyb\u0119 ir nurodo vietas, kuriose rezultat\u0105 i\u0161kraipo triuk\u0161mas \u2014 tai yra b\u016btina atliekant <a href=\"https:\/\/vibromera.eu\/lt\/glossary\/bump-test\/\">sm\u016bgio testas<\/a> arba modalin\u0117 apklausa.<\/li>\n<\/ul>\n<h3>Fazini\u0173 santyki\u0173 nustatymas<\/h3>\n<ul>\n<li>Kry\u017eminio spektro faz\u0117 tiesiogiai rodo laiko u\u017edelsim\u0105 arba rezonans\u0105.<\/li>\n<li><strong>0\u00b0:<\/strong> signalai yra sinfaziniai, juda kartu.<\/li>\n<li><strong>180\u00b0:<\/strong> signalai yra nesinchronizuoti, juda prie\u0161ingomis kryptimis.<\/li>\n<li><strong>90\u00b0:<\/strong> kvadrat\u016bra, rodanti rezonans\u0105 arba gryn\u0105j\u012f laiko u\u017edelsim\u0105.<\/li>\n<li>Tai yra diagnostinis pagrindas <a href=\"https:\/\/vibromera.eu\/lt\/glossary\/mode-shape\/\">re\u017eimo formos<\/a> ir vibracijos perdavimo sekimui.<\/li>\n<\/ul>\n<h3>Bendrojo re\u017eimo slopinimas<\/h3>\n<ul>\n<li>Kry\u017eminis spektras i\u0161skiria abiem kanalams bendrus da\u017enio komponentus.<\/li>\n<li>Nesusij\u0119s triuk\u0161mas pa\u0161alinamas taikant vidurkio skai\u010diavim\u0105.<\/li>\n<li>I\u0161 fono i\u0161siskiria tikrosios, bendros signalo sudedamosios dalys.<\/li>\n<li>Praktin\u0117 nauda \u2013 geresnis signalo ir triuk\u0161mo santykis.<\/li>\n<\/ul>\n<h2>4. Praktiniai matavimo scenarijai<\/h2>\n<p>Abstrakti id\u0117ja tampa konkreti, kai du jutikliai sumontuojami ant tikros ma\u0161inos. Tai iliustruoja trys kasdienio gyvenimo pavyzd\u017eiai.<\/p>\n<h3>Guoli\u0173 palyginimas<\/h3>\n<ul>\n<li>Signalas X: vibracija 1-ajame guolyje. Signalas Y: vibracija 2-ajame guolyje.<\/li>\n<li>Kry\u017eminis spektras rodo da\u017enius, kurie vienu metu veikia abu guolius.<\/li>\n<li>Tai leid\u017eia atskirti bendr\u0105, su rotoriumi susijusi\u0105 problem\u0105 nuo problemos, b\u016bdingos vienam <a href=\"https:\/\/vibromera.eu\/lt\/glossary\/bearing-defects\/\">guolis<\/a>.<\/li>\n<\/ul>\n<h3>\u012evesties\u2013i\u0161vesties analiz\u0117<\/h3>\n<ul>\n<li>Signalas X: j\u0117ga arba vibracija \u012f\u0117jime \u2013 sujungimas arba pavaros guolis.<\/li>\n<li>Signalas Y: i\u0161\u0117jimo signalas \u2013 varomosios \u012frangos guolis.<\/li>\n<li>Kry\u017eminis spektras parodo j\u0173 tarpusavio perdavimo charakteristikas.<\/li>\n<li>I\u0161vestin\u0117 perdavimo funkcija leid\u017eia tiksliai \u012fvertinti, kaip vibracija sklinda per <a href=\"https:\/\/vibromera.eu\/lt\/glossary\/coupling-defects\/\">sukabinimas<\/a>.<\/li>\n<\/ul>\n<h3>Strukt\u016brinis perdavimas<\/h3>\n<ul>\n<li>Signalas X: guolio korpuso vibracija. Signalas Y: pamat\u0173 arba r\u0117mo vibracija.<\/li>\n<li>Spektro diagrama rodo, kokie da\u017eniai i\u0161 ties\u0173 pasiekia statin\u012f.<\/li>\n<li>Tai padeda priimti sprendimus d\u0117l izoliacijos ar sutvirtinimo ir yra tiesiogiai susij\u0119 su <a href=\"https:\/\/vibromera.eu\/lt\/glossary\/foundation-stiffness\/\">pamat\u0173 standumas<\/a> ir <a href=\"https:\/\/vibromera.eu\/lt\/glossary\/structural-resonance\/\">strukt\u016brinis rezonansas<\/a> problem\u0173.<\/li>\n<\/ul>\n<h2>5. \u012evairi\u0173 sri\u010di\u0173 s\u0105saj\u0173 ai\u0161kinimas<\/h2>\n<h3>Didelis stipris tam tikru da\u017eniu<\/h3>\n<ul>\n<li>Tai rodo, kad tarp signal\u0173 tuo da\u017eniu yra stiprus ry\u0161ys.<\/li>\n<li>Tai rodo, kad \u0161ios dvi vietos turi bendr\u0105 \u0161altin\u012f arba yra glaud\u017eiai susijusios.<\/li>\n<li>\u0160is komponentas i\u0161 ties\u0173 yra abiejuose signaluose.<\/li>\n<\/ul>\n<h3>Ma\u017eas stipris tam tikru da\u017eniu<\/h3>\n<ul>\n<li>Rodo menk\u0105 koreliacij\u0105 \u2013 silpn\u0105 s\u0105saj\u0105 arba bendro \u0161altinio nebuvim\u0105.<\/li>\n<li>\u0160is komponentas gali b\u016bti viename signale, bet ne kitame.<\/li>\n<li>Arba tai gali b\u016bti tiesiog nesusij\u0119s triuk\u0161mas i\u0161 \u012fvairi\u0173 \u0161altini\u0173.<\/li>\n<\/ul>\n<h3>Informacija apie faz\u0119<\/h3>\n<ul>\n<li><strong>0\u00b0:<\/strong> signalai juda kartu \u2013 tai yra tvirtas ry\u0161ys arba veikimas \u017eemiau rezonanso da\u017enio.<\/li>\n<li><strong>180\u00b0:<\/strong> signalai juda prie\u0161inga kryptimi \u2013 vir\u0161 rezonanso arba per simetrijos linij\u0105.<\/li>\n<li><strong>90\u00b0:<\/strong> kvadrat\u016bra \u2014 rezonanso metu arba atsirandanti d\u0117l tam tikros geometrijos.<\/li>\n<li><strong>Nuo da\u017enio priklausanti faz\u0117:<\/strong> Faz\u0117s kitimas priklausomai nuo da\u017enio atskleid\u017eia strukt\u016bros dinamin\u012f elges\u012f.<\/li>\n<\/ul>\n<h2>6. I\u0161pl\u0117stin\u0117s programos<\/h2>\n<h3>Daugiakanal\u0117 \u012fvesties ir i\u0161vesties analiz\u0117<\/h3>\n<ul>\n<li>Keletas etalonini\u0173 signal\u0173 yra susieti su keliais atsakomaisiais signalais.<\/li>\n<li>Rezultatas \u2013 i\u0161samus kry\u017emini\u0173 spektr\u0173 matrica.<\/li>\n<li>Jis nustato kelis vienu metu veikian\u010dius perdavimo kelius.<\/li>\n<li>B\u016btent taip apib\u016bdinamos tikrai sud\u0117tingos sistemos.<\/li>\n<\/ul>\n<h3>Veikian\u010dios deformacijos formos<\/h3>\n<ul>\n<li>Kry\u017eminiai spektrai matuojami daugelyje ta\u0161k\u0173 aplink ma\u0161in\u0105.<\/li>\n<li>J\u0173 faziniai santykiai nulemia i\u0161kraipymo model\u012f.<\/li>\n<li>Tuomet galima vizualizuoti ir animuoti visos konstrukcijos jud\u0117jim\u0105.<\/li>\n<li>Rezultatuose ai\u0161kiai matomi rezonansiniai re\u017eimai.<\/li>\n<\/ul>\n<h2>7. \u012evairi\u0173 spektro sri\u010di\u0173 suderinimas lauke<\/h2>\n<p>Nors kry\u017eminis spektras da\u017eniausiai siejamas su modaliniais ir konstrukciniais darbais, ta pati dviej\u0173 kanal\u0173 matematika yra kasdienio <a href=\"https:\/\/vibromera.eu\/lt\/glossary\/lauko-balansavimas\/\">lauko balansavimas<\/a>. Ne\u0161iojamas dviej\u0173 kanal\u0173 prietaisas, pavyzd\u017eiui, <a href=\"https:\/\/vibromera.eu\/lt\/produktas\/balansavimas-1\/\">Balanset-1A<\/a> \u012fra\u0161o dviej\u0173 guoli\u0173 plok\u0161tum\u0173 vibracij\u0105 vienu metu ir abu duomenis susieja su vien\u0105 kart\u0105 per apsisukim\u0105 perduodamu tachometro impulsu, tod\u0117l gali nustatyti 1\u00d7 komponento amplitud\u0119 ir faz\u0119 kiekvienoje plok\u0161tumoje bei apskai\u010diuoti tarpusavio s\u0105veik\u0105 <a href=\"https:\/\/vibromera.eu\/lt\/glossary\/influence-coefficient\/\">\u012ftakos koeficientai<\/a> kurie susieja vienos plok\u0161tumos svor\u012f su kitos plok\u0161tumos atsaku. \u0160is dviej\u0173 kanal\u0173, pagal faz\u0119 susietas ry\u0161ys i\u0161 esm\u0117s yra kry\u017eminis spektras, orientuotas \u012f darbin\u012f greit\u012f \u2013 ir b\u016btent tai leid\u017eia teisingai atlikti dviej\u0173 plok\u0161tum\u0173 <a href=\"https:\/\/vibromera.eu\/lt\/glossary\/dynamic-balancing\/\">dinaminis balansavimas<\/a> tai \u012fmanoma sumontuotame \u012frenginyje.<\/p>\n<p>Trumpai tariant, kry\u017eminis spektras i\u0161ple\u010dia da\u017eni\u0173 analiz\u0119 nuo vieno kanalo iki daugelio, atskleid\u017eiant signal\u0173 tarpusavio ry\u0161ius, kurie leid\u017eia apskai\u010diuoti perdavimo funkcij\u0105, patikrinti koherencij\u0105 ir suprasti, kaip vibracija sklinda per ma\u0161in\u0105 ir jos atramas. Nors tai sud\u0117tingesnis metodas nei automatinis spektras, jis vis d\u0117lto yra b\u016btinas atliekant mod\u0173 bandymus, strukt\u016brin\u0119 dinamik\u0105 ir bet koki\u0105 sud\u0117ting\u0105 diagnostik\u0105, grind\u017eiam\u0105 daugiata\u0161kiais matavimais.<\/p>\n<hr>\n<p><a href=\"https:\/\/vibromera.eu\/lt\/glossary\/\">\u2190 Atgal \u012f pagrindin\u0119 rodykl\u0119<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Su\u017einokite apie kry\u017eminio spektro da\u017enio analiz\u0119, susiejan\u010di\u0105 du vibracijos signalus, rodan\u010dius bendr\u0105 da\u017enio turin\u012f ir fazi\u0173 ry\u0161ius, kurie yra b\u016btini perdavimo funkcijos ir koherencijos analizei.<\/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\/lt\/wp-json\/wp\/v2\/glossary\/93","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vibromera.eu\/lt\/wp-json\/wp\/v2\/glossary"}],"about":[{"href":"https:\/\/vibromera.eu\/lt\/wp-json\/wp\/v2\/types\/glossary"}],"version-history":[{"count":1,"href":"https:\/\/vibromera.eu\/lt\/wp-json\/wp\/v2\/glossary\/93\/revisions"}],"predecessor-version":[{"id":101329,"href":"https:\/\/vibromera.eu\/lt\/wp-json\/wp\/v2\/glossary\/93\/revisions\/101329"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/lt\/wp-json\/wp\/v2\/media?parent=93"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/lt\/wp-json\/wp\/v2\/categories?post=93"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/lt\/wp-json\/wp\/v2\/tags?post=93"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}