{"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\/bs\/glossary\/cross-spectrum\/","title":{"rendered":"\u0160ta je unakrsni spektar? Analiza frekvencije sa dva kanala"},"content":{"rendered":"<h1>Razumevanje unakrsnog spektra<\/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\/bs\/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\/bs\/product\/balanset-1\/\" title=\"Prijenosni balanser i analizator vibracija 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 kompletan set prenosivi balanser i analizator vibracija\" 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\/bs\/product-category\/devices\/\" rel=\"tag\">Ure\u0111aji<\/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\/bs\/product\/balanset-1\/\" title=\"Prijenosni balanser i analizator vibracija Balanset-1A\">Prijenosni balanser i analizator vibracija 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> + PDV (ako se primjenjuje)<\/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=\"\/bs\/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=\"Dodaj u korpu\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Dodaj u korpu\" 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=\"\/bs\/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=\"\">Dodaj u korpu<\/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\/bs\/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\/bs\/product\/vibration-sensor\/\" title=\"Senzor vibracija\">\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=\"Balanset-1A senzor vibracija u detaljnom prikazu\" 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\/bs\/product-category\/parts\/\" rel=\"tag\">dijelovi<\/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\/bs\/product\/vibration-sensor\/\" title=\"Senzor vibracija\">Senzor vibracija<\/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> + PDV (ako se primjenjuje)<\/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=\"\/bs\/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=\"Dodaj u korpu\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Dodaj u korpu\" 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=\"\/bs\/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=\"\">Dodaj u korpu<\/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\/bs\/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\/bs\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"opti\u010dki senzor (laserski tahometar)\">\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=\"opti\u010dki senzor (laserski tahometar)\" 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\/bs\/product-category\/parts\/\" rel=\"tag\">dijelovi<\/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\/bs\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"opti\u010dki senzor (laserski tahometar)\">opti\u010dki senzor (laserski tahometar)<\/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> + PDV (ako se primjenjuje)<\/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=\"\/bs\/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=\"Dodaj u korpu\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Dodaj u korpu\" 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=\"\/bs\/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=\"\">Dodaj u korpu<\/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\/bs\/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\/bs\/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 set za balansiranje rotora: kofer za no\u0161enje, multikanalnu jedinicu za kondicioniranje signala, ru\u010dni analizator, magnetnu bazu, senzore vibracija i spiralne kablove.\" 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\/bs\/product-category\/devices\/\" rel=\"tag\">Ure\u0111aji<\/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\/bs\/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> + PDV (ako se primjenjuje)<\/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=\"\/bs\/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=\"Dodaj u korpu\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Dodaj u korpu\" 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=\"\/bs\/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=\"\">Dodaj u korpu<\/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\/bs\/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\/bs\/product\/magnet-stand\/\" title=\"Magnetno postolje 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=\"Magnet base.\" 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 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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=\"Balanset-1A sadr\u017eaj seta sa interfejsnom jedinicom, senzorima, tahometrom i dodatnom opremom\" 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\/bs\/product-category\/devices\/\" rel=\"tag\">Ure\u0111aji<\/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\/bs\/product\/dynamic-balancer-balanset-1a\/\" title=\"Dinami\u010dki balanser \u201cBalanset-1A\u201d OEM\">Dinami\u010dki balanser \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> + PDV (ako se primjenjuje)<\/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=\"\/bs\/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=\"Dodaj u korpu\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Dodaj u korpu\" 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=\"\/bs\/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=\"\">Dodaj u korpu<\/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>Cross-spectrum<\/strong> \u2014 poznat i kao spektar unakrsne snage ili gustina unakrsnog spektra \u2014 je predstavljanje u frekventnom domenu odnosa izme\u0111u dva simultano merena <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/vibration\/\">vibration<\/a> signala. Izra\u010dunava se mno\u017eenjem <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/fft\/\">FFT<\/a> jednog signala sa kompleksnom konjugatom FFT drugog signala. Gde <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/auto-spectrum\/\">auto-spectrum<\/a> pokazuje sadr\u017eaj frekvencije jednog kanala, unakrsni spektar otkriva koje frekvencije su <em>common<\/em> zajedni\u010dke oba signala i <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/phase\/\">phase<\/a> odnos izme\u0111u njih na svakoj frekvenciji.<\/p>\n<p>To \u010dini unakrsni spektar matemati\u010dkom osnovom napredne analize sa vi\u0161e kanala: <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/transfer-function\/\">funkcija prenosa<\/a> estimation, <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/coherence\/\">coherence<\/a> analiza i operativni oblik deformacije (<a href=\"https:\/\/vibromera.eu\/bs\/glossary\/ods-analysis\/\">ODS<\/a>) merenja se oslanjaju na to. U prakti\u010dnom smislu omogu\u0107ava in\u017eenjeru da vidi kako se vibracije prostiru kroz strukturu i identifikuje uzro\u010dno-posledi\u010dne veze izme\u0111u lokacija merenja \u2014 ne\u0161to \u0161to analiza sa jednim kanalom <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/spectrum\/\">spectrum<\/a> jednostavno ne mo\u017ee da uradi.<\/p>\n<h2>1. Matemati\u010dka definicija<\/h2>\n<h3>Computation<\/h3>\n<p>Definiraju\u0107i odnos je kompaktan:<\/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) je FFT signala x(t).<\/li>\n<li>Y*(f) je kompleksna konjugata FFT signala y(t).<\/li>\n<li>Rezultat je kompleksne vrednosti, nose\u0107i i magnitudu i fazu.<\/li>\n<\/ul>\n<h3>Components<\/h3>\n<ul>\n<li><strong>Magnitude \u2014 |G<sub>xy<\/sub>(f)|:<\/strong> prikazuje snagu frekvencijskog sadr\u017eaja koji dva signala dele.<\/li>\n<li><strong>Phase \u2014 \u2220G<sub>xy<\/sub>(f):<\/strong> prikazuje faznu razliku izme\u0111u signala na svakoj frekvenciji.<\/li>\n<li><strong>Real part:<\/strong> komponenta u fazi, odnosno ko-spektralna komponenta.<\/li>\n<li><strong>Imaginarni dio:<\/strong> komponenta kvadrature, odnosno 90\u00b0 izvan faze.<\/li>\n<\/ul>\n<h2>2. Properties<\/h2>\n<p>Tri svojstva odvajaju krossspektar od poznatog auto-spektra, i svako je va\u017eno za interpretaciju.<\/p>\n<h3>Jeste kompleksna vrijednost<\/h3>\n<ul>\n<li>Za razliku od auto-spektra, koji je samo realan, krossspektar je kompleksan.<\/li>\n<li>Zato nosi kako magnitudu tako i fazu.<\/li>\n<li>Ta fazna informacija je cijela poenta \u2014 to je ono \u0161to otkriva kako se dva signala odnos\u0435 tijekom vremena.<\/li>\n<\/ul>\n<h3>Nije simetri\u010dan<\/h3>\n<ul>\n<li>In general G<sub>xy<\/sub>(f) \u2260 G<sub>yx<\/sub>(f).<\/li>\n<li>Redoslijed je bitan \u2014 koji signal tretira\u0161 kao referencu mijenja rezultat.<\/li>\n<li>Formally, G<sub>yx<\/sub>(f) je kompleksna konjugacija od G<sub>xy<\/sub>(f), tako da se faza jednostavno preokre\u0107e.<\/li>\n<\/ul>\n<h3>Zahtijeva usrednjavanje<\/h3>\n<ul>\n<li>Jedan krossspektar je \u0161uman i nepouzdan.<\/li>\n<li>Usrednjavanje mnogo krossspectra daje stabilnu procjenu.<\/li>\n<li>Nekorelisane komponent\u0435 buke usrednjuju se prema nuli jer je njihova faza slu\u010dajna od bloka do bloka.<\/li>\n<li>Stvarno korelirane komponente odr\u017eavaju konzistentnu fazu i poja\u010davaju \u2014 \u0161to je upravo razlog za\u0161to usrednjavanje \u010disti procjenu.<\/li>\n<\/ul>\n<h2>3. Primjene<\/h2>\n<h3>Izra\u010dun prijenosne funkcije<\/h3>\n<p>Ovo je najjednostavnije najva\u017enija primjena:<\/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>Ovdje je x ulaz, a y je izlaz.<\/li>\n<li>Rezultat pokazuje kako sustav odgovara na pobudu.<\/li>\n<li>Njegovo poja\u010danje pokazuje poja\u010danje ili prigu\u0161enje na svakoj frekvenciji.<\/li>\n<li>Njegova faza pokazuje vremensku ka\u0161njenja i <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/resonance\/\">resonance<\/a> behaviour.<\/li>\n<li>To je temeljna mjerenja od <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/modal-analysis\/\">modal analysis<\/a> i strukturne dinamike, tesno povezane s <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/frequency-response-function\/\">funkcija frekvencijskog odgovora<\/a>.<\/li>\n<\/ul>\n<h3>Izra\u010dun Koherentnosti<\/h3>\n<ul>\n<li>Koherentnost se definira kao <strong>|G<sub>xy<\/sub>|\u00b2 \/ (G<sub>xx<\/sub> \u00d7 G<sub>yy<\/sub>)<\/strong>.<\/li>\n<li>Mjeri korelaciju izme\u0111u dva signala na svakoj frekvenciji.<\/li>\n<li>Kre\u0107e se od 0 do 1: vrijednost 1 zna\u010di savr\u0161enu korelaciju, 0 zna\u010di da je nema uop\u0107e.<\/li>\n<li>Potvr\u0111uje kvalitetu mjerenja i ozna\u010dava gdje je rezultat o\u0161te\u0107en bukom \u2014 neophodan tijekom <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/bump-test\/\">bump test<\/a> ili modalne analize.<\/li>\n<\/ul>\n<h3>Odre\u0111ivanje Fazne Relacije<\/h3>\n<ul>\n<li>Faza iz unakrsnog spektra direktno pokazuje vremensko ka\u0161njenja ili rezonancu.<\/li>\n<li><strong>0\u00b0:<\/strong> signali su u fazi, kre\u0107u\u0107i se zajedno.<\/li>\n<li><strong>180\u00b0:<\/strong> signali su izvan faze, kre\u0107u\u0107i se u suprotnosti.<\/li>\n<li><strong>90\u00b0:<\/strong> kvadratura, \u0161to ozna\u010dava rezonancu ili \u010disto vremensko ka\u0161njenja.<\/li>\n<li>Ovo je dijagnosti\u010dka osnova za <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/mode-shape\/\">mode shapes<\/a> i za pra\u0107enje transmisije vibracija.<\/li>\n<\/ul>\n<h3>Potiskivanje zajedni\u010dkog signala<\/h3>\n<ul>\n<li>Unakrsni spektar izoluje frekvencijske komponente zajedni\u010dke za oba kanala.<\/li>\n<li>Nekoreliran \u0161um se otkazuje kroz usrednjavanje.<\/li>\n<li>Pravi, zajedni\u010dki signalni komponenti izlaze iz pozadine.<\/li>\n<li>Prakti\u010dna prednost je bolji odnos signala i \u0161uma.<\/li>\n<\/ul>\n<h2>4. Prakti\u010dni scenariji merenja<\/h2>\n<p>Apstraktna ideja postaje konkretna \u010dim se dva senzora postave na stvarnu ma\u0161inu. Tri svakodnevna scenarija pokazuju vrednost.<\/p>\n<h3>Pore\u0111enje le\u017eajeva<\/h3>\n<ul>\n<li>Signal X: vibracija na le\u017eaju 1. Signal Y: vibracija na le\u017eaju 2.<\/li>\n<li>Unakrsni spektar pokazuje frekvencije koje istovremeno uti\u010du na oba le\u017eaja.<\/li>\n<li>To odvaja zajedni\u010dku, rotor-relacionu anomaliju od problema lokalnog na jedan. <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/bearing-defects\/\">bearing<\/a>.<\/li>\n<\/ul>\n<h3>Analiza ulaza-izlaza<\/h3>\n<ul>\n<li>Signal X: sila ili vibracija na ulazu \u2014 spojnica ili le\u017eaj pogonskog motora.<\/li>\n<li>Signal Y: odgovor na izlazu \u2014 le\u017eaj pogonske opreme.<\/li>\n<li>Unakrsni spektar otkriva karakteristike prenosa izme\u0111u njih.<\/li>\n<li>Izvedena prenosna funkcija tada ta\u010dno kvantifikuje kako vibracija putuje preko <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/coupling-defects\/\">coupling<\/a>.<\/li>\n<\/ul>\n<h3>Strukturni prenos<\/h3>\n<ul>\n<li>Signal X: vibracija ku\u0107i\u0161ta le\u017eaja. Signal Y: vibracija fundacije ili rama.<\/li>\n<li>Unakrsni spektar pokazuje koje frekvencije zaista dose\u017eu strukturu.<\/li>\n<li>To usmerava odluke o izolaciji ili oja\u010danju, i direktno se povezuje sa <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/foundation-stiffness\/\">krutost temelja<\/a> and <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/structural-resonance\/\">strukturna rezonancija<\/a> problems.<\/li>\n<\/ul>\n<h2>5. Tuma\u010denje unakrsnog spektra<\/h2>\n<h3>Velika amplituda na nekoj frekvenciji<\/h3>\n<ul>\n<li>Ukazuje na jaku korelaciju izme\u0111u signala na toj frekvenciji.<\/li>\n<li>Pokazuje zajedni\u010dku izvora ili jaku vezu izme\u0111u dva mjesta.<\/li>\n<li>Komponenta je zaista prisutna u oba signala.<\/li>\n<\/ul>\n<h3>Mala amplituda na nekoj frekvenciji<\/h3>\n<ul>\n<li>Ukazuje na slabu korelaciju \u2014 slaba veza ili bez zajedni\u010dkog izvora.<\/li>\n<li>Komponenta mo\u017ee postojati u jednom signalu, ali ne u drugom.<\/li>\n<li>Ili to mo\u017ee biti jednostavno neuskla\u0111ena buka iz razli\u010ditih izvora.<\/li>\n<\/ul>\n<h3>Informacija o fazi<\/h3>\n<ul>\n<li><strong>0\u00b0:<\/strong> signali se kre\u0107u zajedno \u2014 kruta veza ili rad ispod rezonancije.<\/li>\n<li><strong>180\u00b0:<\/strong> signali se kre\u0107u suprotno \u2014 iznad rezonancije ili preko linije simetrije.<\/li>\n<li><strong>90\u00b0:<\/strong> kvadratura \u2014 na rezonanciji ili nastala od specifi\u010dne geometrije.<\/li>\n<li><strong>Faza ovisna o frekvenciji:<\/strong> na\u010din na koji se faza mijenja s frekvencijom otkriva dinami\u010dko pona\u0161anje strukture.<\/li>\n<\/ul>\n<h2>6. Napredne primjene<\/h2>\n<h3>Analiza vi\u0161e ulaza \/ vi\u0161e izlaza<\/h3>\n<ul>\n<li>Nekoliko referentnih signala upareno je s nekoliko signala odgovora.<\/li>\n<li>Rezultat je cijela matrica unakrsnih spektara.<\/li>\n<li>Identificira vi\u0161estruke, istovremene putanje prijenosa.<\/li>\n<li>Ovako se karakteri\u0161u istinski kompleksni sistemi.<\/li>\n<\/ul>\n<h3>Oblici deformacije pri radu<\/h3>\n<ul>\n<li>Unakrsni spektri se snimaju izme\u0111u mnogih to\u010daka mjerenja oko ma\u0161ine.<\/li>\n<li>Njihovi fazni odnosi odre\u0111uju obrazac deformacije.<\/li>\n<li>Kretanje cijele strukture se zatim mo\u017ee vizuelizirati i animirati.<\/li>\n<li>Rezonantni modovi jasno se isti\u010du u rezultatu.<\/li>\n<\/ul>\n<h2>7. Unakrsni spektar pri balansiranju na mjestu<\/h2>\n<p>Iako je unakrsni spektar naj\u010de\u0161\u0107e povezan sa modalnom i strukturnom analizom, ista dvokanalska matematika \u010dini osnovu svakodnevnog <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/field-balancing\/\">field balancing<\/a>. Prijenosni dvokanalski instrument kao \u0161to je <a href=\"https:\/\/vibromera.eu\/bs\/proizvod\/balanset-1\/\">Balanset-1A<\/a> snima vibracije na dvije ravnine le\u017eajeva istovremeno i referira oboje na tacho-impuls po okretaju, \u010dime mo\u017ee razrije\u0161iti amplitudu i fazu 1\u00d7 komponente na svakoj ravnini i izra\u010dunati unakrsno spregu <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/influence-coefficient\/\">koeficijenti utjecaja<\/a> koja povezuje uteg u jednoj ravnini sa odzivom u drugoj. Taj dvokanalski, fazno referencirani odnos je konceptualno unakrsni spektar fokusirani na brzinu vrtnje \u2014 i upravo je to \u0161to omogu\u0107ava ispravno dvoplano <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/dynamic-balancing\/\">dynamic balancing<\/a> balansiranje na montiranoj ma\u0161ini.<\/p>\n<p>Ukratko, unakrsni spektar pro\u0161iruje frekvencijsku analizu sa jednog kanala na mnoge, otvaraju\u0107i odnose izme\u0111u signala koji omogu\u0107uju izra\u010dunavanje prenosne funkcije, validaciju koherentnosti i razumijevanje kako vibracije putuju kroz ma\u0161inu i njene oslonce. Zahtjevnije od auto-spektra, ipak je neophodno za modalnu analizu, strukturnu dinamiku i bilo koju sofisticiraniju dijagnostiku koja se oslanja na mjerenja u vi\u0161e to\u010daka.<\/p>\n<hr>\n<p><a href=\"https:\/\/vibromera.eu\/bs\/glossary\/\">\u2190 Povratak na glavnu stranicu<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Saznajte vi\u0161e o kri\u017enom spektru, analiza frekvencije koja povezuje dva vibracijska signala pokazuju\u0107i zajedni\u010dko sadr\u017eaj frekvencije i odnose faze, bitne za analizu prijenosne funkcije i koherentnosti.<\/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\/bs\/wp-json\/wp\/v2\/glossary\/93","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vibromera.eu\/bs\/wp-json\/wp\/v2\/glossary"}],"about":[{"href":"https:\/\/vibromera.eu\/bs\/wp-json\/wp\/v2\/types\/glossary"}],"version-history":[{"count":1,"href":"https:\/\/vibromera.eu\/bs\/wp-json\/wp\/v2\/glossary\/93\/revisions"}],"predecessor-version":[{"id":101329,"href":"https:\/\/vibromera.eu\/bs\/wp-json\/wp\/v2\/glossary\/93\/revisions\/101329"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/bs\/wp-json\/wp\/v2\/media?parent=93"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/bs\/wp-json\/wp\/v2\/categories?post=93"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/bs\/wp-json\/wp\/v2\/tags?post=93"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}