{"id":278,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/transfer-function\/"},"modified":"2026-05-23T22:40:04","modified_gmt":"2026-05-23T22:40:04","slug":"transfer-function","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/cs\/glossary\/transfer-function\/","title":{"rendered":"Co je p\u0159enosov\u00e1 funkce? Charakterizace odezvy syst\u00e9mu"},"content":{"rendered":"<h1>Porozum\u011bn\u00ed p\u0159enosov\u00e9 funkci<\/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\/cs\/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\/cs\/product\/balanset-1\/\" title=\"P\u0159enosn\u00fd vyva\u017eova\u010d a analyz\u00e1tor vibrac\u00ed 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=\"Kompletn\u00ed sada p\u0159enosn\u00e9ho vyva\u017eova\u010de a analyz\u00e1toru vibrac\u00ed 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\/cs\/product-category\/devices\/\" rel=\"tag\">Za\u0159\u00edzen\u00ed<\/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\/cs\/product\/balanset-1\/\" title=\"P\u0159enosn\u00fd vyva\u017eova\u010d a analyz\u00e1tor vibrac\u00ed Balanset-1A\">P\u0159enosn\u00fd vyva\u017eova\u010d a analyz\u00e1tor vibrac\u00ed 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> + DPH (pokud se uplat\u0148uje)<\/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=\"\/cs\/wp-json\/wp\/v2\/glossary\/278?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=\"P\u0159idat do ko\u0161\u00edku\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"P\u0159idat do ko\u0161\u00edku\" 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=\"\/cs\/wp-json\/wp\/v2\/glossary\/278?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=\"P\u0159idat do ko\u0161\u00edku: \u201cPortable balancer &amp; Vibration analyzer Balanset-1A\u201d\" rel=\"nofollow\" data-success_message=\"\u201cPortable balancer &amp; Vibration analyzer Balanset-1A\u201d byl p\u0159id\u00e1n do ko\u0161\u00edku\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">P\u0159idat do ko\u0161\u00edku<\/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\/cs\/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\/cs\/product\/vibration-sensor\/\" title=\"Sn\u00edma\u010d vibrac\u00ed\">\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=\"Sn\u00edma\u010d vibrac\u00ed Balanset-1A zbl\u00edzka\" 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\/cs\/product-category\/parts\/\" rel=\"tag\">D\u00edly<\/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\/cs\/product\/vibration-sensor\/\" title=\"Sn\u00edma\u010d vibrac\u00ed\">Sn\u00edma\u010d vibrac\u00ed<\/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> + DPH (pokud se uplat\u0148uje)<\/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=\"\/cs\/wp-json\/wp\/v2\/glossary\/278?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=\"P\u0159idat do ko\u0161\u00edku\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"P\u0159idat do ko\u0161\u00edku\" 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=\"\/cs\/wp-json\/wp\/v2\/glossary\/278?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=\"P\u0159idat do ko\u0161\u00edku: \u201cVibration sensor\u201d\" rel=\"nofollow\" data-success_message=\"\u201cVibration sensor\u201d byl p\u0159id\u00e1n do ko\u0161\u00edku\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">P\u0159idat do ko\u0161\u00edku<\/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\/cs\/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\/cs\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Optick\u00fd senzor (laserov\u00fd ot\u00e1\u010dkom\u011br)\">\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=\"Optick\u00fd senzor (laserov\u00fd ot\u00e1\u010dkom\u011br)\" 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\/cs\/product-category\/parts\/\" rel=\"tag\">D\u00edly<\/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\/cs\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Optick\u00fd senzor (laserov\u00fd ot\u00e1\u010dkom\u011br)\">Optick\u00fd senzor (laserov\u00fd ot\u00e1\u010dkom\u011br)<\/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> + DPH (pokud se uplat\u0148uje)<\/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=\"\/cs\/wp-json\/wp\/v2\/glossary\/278?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=\"P\u0159idat do ko\u0161\u00edku\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"P\u0159idat do ko\u0161\u00edku\" 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=\"\/cs\/wp-json\/wp\/v2\/glossary\/278?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=\"P\u0159idat do ko\u0161\u00edku: \u201cOptical Sensor (Laser Tachometer)\u201d\" rel=\"nofollow\" data-success_message=\"\u201cOptical Sensor (Laser Tachometer)\u201d byl p\u0159id\u00e1n do ko\u0161\u00edku\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">P\u0159idat do ko\u0161\u00edku<\/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\/cs\/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\/cs\/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=\"Sada pro vyva\u017eov\u00e1n\u00ed rotor\u016f Vibromera: p\u0159epravn\u00ed kuf\u0159\u00edk, v\u00edcekan\u00e1lov\u00fd zesilova\u010d sign\u00e1lu, ru\u010dn\u00ed analyz\u00e1tor, magnetick\u00e1 z\u00e1kladna, vibra\u010dn\u00ed senzory a spir\u00e1lov\u00e9 kabely.\" 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\/cs\/product-category\/devices\/\" rel=\"tag\">Za\u0159\u00edzen\u00ed<\/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\/cs\/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> + DPH (pokud se uplat\u0148uje)<\/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=\"\/cs\/wp-json\/wp\/v2\/glossary\/278?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=\"P\u0159idat do ko\u0161\u00edku\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"P\u0159idat do ko\u0161\u00edku\" 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=\"\/cs\/wp-json\/wp\/v2\/glossary\/278?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=\"P\u0159idat do ko\u0161\u00edku: \u201cBalanset-4\u201d\" rel=\"nofollow\" data-success_message=\"\u201cBalanset-4\u201d byl p\u0159id\u00e1n do ko\u0161\u00edku\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">P\u0159idat do ko\u0161\u00edku<\/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\/cs\/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\/cs\/product\/magnet-stand\/\" title=\"Magnetick\u00fd stojan 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=\"Magnetick\u00e1 z\u00e1kladna.\" 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\/cs\/product-category\/parts\/\" rel=\"tag\">D\u00edly<\/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\/cs\/product\/magnet-stand\/\" title=\"Magnetick\u00fd stojan Insize-60 kgf\">Magnetick\u00fd stojan 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> + DPH (pokud se uplat\u0148uje)<\/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=\"\/cs\/wp-json\/wp\/v2\/glossary\/278?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=\"P\u0159idat do ko\u0161\u00edku\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"P\u0159idat do ko\u0161\u00edku\" 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=\"\/cs\/wp-json\/wp\/v2\/glossary\/278?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=\"P\u0159idat do ko\u0161\u00edku: \u201cMagnetic Stand Insize-60-kgf\u201d\" rel=\"nofollow\" data-success_message=\"\u201cMagnetic Stand Insize-60-kgf\u201d byl p\u0159id\u00e1n do ko\u0161\u00edku\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">P\u0159idat do ko\u0161\u00edku<\/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\/cs\/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\/cs\/product\/reflective-tape\/\" title=\"Reflexn\u00ed p\u00e1ska\">\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=\"Reflexn\u00ed p\u00e1ska\" 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\/cs\/product-category\/parts\/\" rel=\"tag\">D\u00edly<\/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\/cs\/product\/reflective-tape\/\" title=\"Reflexn\u00ed p\u00e1ska\">Reflexn\u00ed p\u00e1ska<\/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> + DPH (pokud se uplat\u0148uje)<\/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=\"\/cs\/wp-json\/wp\/v2\/glossary\/278?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=\"P\u0159idat do ko\u0161\u00edku\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"P\u0159idat do ko\u0161\u00edku\" 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=\"\/cs\/wp-json\/wp\/v2\/glossary\/278?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=\"P\u0159idat do ko\u0161\u00edku: \u201cReflective tape\u201d\" rel=\"nofollow\" data-success_message=\"\u201cReflective tape\u201d byl p\u0159id\u00e1n do ko\u0161\u00edku\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">P\u0159idat do ko\u0161\u00edku<\/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\/cs\/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\/cs\/product\/dynamic-balancer-balanset-1a\/\" title=\"Dynamick\u00fd vyva\u017eova\u010d &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=\"Obsah sady Balanset-1A s jednotkou rozhran\u00ed, senzory, ot\u00e1\u010dkom\u011brem a p\u0159\u00edslu\u0161enstv\u00edm\" 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\/cs\/product-category\/devices\/\" rel=\"tag\">Za\u0159\u00edzen\u00ed<\/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\/cs\/product\/dynamic-balancer-balanset-1a\/\" title=\"Dynamick\u00fd vyva\u017eova\u010d &quot;Balanset-1A&quot; OEM\">Dynamick\u00fd vyva\u017eova\u010d \"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\">\u20ac<\/span>1,735.00<\/span> + DPH (pokud se uplat\u0148uje)<\/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=\"\/cs\/wp-json\/wp\/v2\/glossary\/278?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=\"P\u0159idat do ko\u0161\u00edku\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"P\u0159idat do ko\u0161\u00edku\" 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=\"\/cs\/wp-json\/wp\/v2\/glossary\/278?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=\"P\u0159idat do ko\u0161\u00edku: \u201cDynamic balancer \u201cBalanset-1A\u201d OEM\u201d\" rel=\"nofollow\" data-success_message=\"\u201cDynamic balancer \u201cBalanset-1A\u201d OEM\u201d byl p\u0159id\u00e1n do ko\u0161\u00edku\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">P\u0159idat do ko\u0161\u00edku<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_4193\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/section>\n\t\t\n<p>A <strong>p\u0159enosov\u00e1 funkce<\/strong> \u2014 pou\u017e\u00edv\u00e1 se t\u00e9m\u011b\u0159 zam\u011bniteln\u011b s v\u00fdrazem <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/frequency-response-function\/\">funkce frekven\u010dn\u00ed odezvy (FRF)<\/a> v oblasti vibrac\u00ed \u2014 je komplexn\u00ed funkce, kter\u00e1 popisuje, jak mechanick\u00fd syst\u00e9m reaguje na vstupn\u00ed s\u00edlu nebo pohyb v z\u00e1vislosti na frekvenci. Matematicky se jedn\u00e1 o pom\u011br v\u00fdstupu ke vstupu p\u0159i ka\u017ed\u00e9 frekvenci, <em>H(f) = v\u00fdstup(f) \/ vstup(f)<\/em>, kter\u00e9 nesou jak informace o velikosti (o kolik syst\u00e9m zesiluje nebo tlum\u00ed), tak i <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/phase\/\">f\u00e1ze<\/a> informace (\u010dasov\u00e1 prodleva a rezonan\u010dn\u00ed chov\u00e1n\u00ed). Pokud se jedn\u00e1 o nezpracovan\u00e9 <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/spectrum\/\">vibra\u010dn\u00ed spektrum<\/a> \u0159ekne v\u00e1m, co stroj <em>je<\/em> d\u011bl\u00e1, p\u0159enosov\u00e1 funkce v\u00e1m \u0159ekne, co to <em>would<\/em> d\u011bl\u00e1 v reakci na jak\u00fdkoli podn\u011bt.<\/p>\n<p>Pr\u00e1v\u011b tento rozd\u00edl \u010din\u00ed p\u0159enosovou funkci tak \u00fa\u010dinnou. Charakterizuje toti\u017e vlastn\u00ed vlastnosti dan\u00e9 struktury \u2013 jej\u00ed <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/natural-frequency\/\">vlastn\u00ed frekvence<\/a>, <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/damping\/\">tlumen\u00ed<\/a>, <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/stiffness\/\">tuhost<\/a>a <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/mode-shape\/\">vlastn\u00ed tvary<\/a> \u2014 bez ohledu na to, jak\u00e9 vn\u011bj\u0161\u00ed vlivy se b\u011bhem provozu vyskytnou. D\u00edky tomu je z\u00e1kladem <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/modal-analysis\/\">mod\u00e1ln\u00ed anal\u00fdza<\/a>, predikce struktur\u00e1ln\u00edch zm\u011bn, <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/resonance\/\">rezonance<\/a> diagnostika a konstrukce s izolac\u00ed proti vibrac\u00edm.<\/p>\n<h2>1. Matematick\u00e9 vyj\u00e1d\u0159en\u00ed<\/h2>\n<p>Z\u00e1kladn\u00ed definice je jednodu\u0161e pom\u011br dvou sou\u010dasn\u011b nam\u011b\u0159en\u00fdch spekter: <strong>H(f) = Y(f) \/ X(f)<\/strong>, kde Y(f) je v\u00fdstupn\u00ed (odezva) spektrum a X(f) vstupn\u00ed (budic\u00ed) spektrum.<\/p>\n<h3>Odhadova\u010d k\u0159\u00ed\u017eov\u00e9ho spektra<\/h3>\n<p>Ve skute\u010dnosti obsahuj\u00ed oba sign\u00e1ly \u0161um, tak\u017ee prost\u00fdm d\u011blen\u00edm se chyba zv\u011bt\u0161\u00ed. Standardn\u00ed praktick\u00fd odhadova\u010d m\u00edsto toho vyu\u017e\u00edv\u00e1 spektr\u00e1ln\u00ed pr\u016fm\u011bry: <strong>H(f) = G<sub>xy<\/sub>(f) \/ G<sub>xx<\/sub>(f)<\/strong>, where G<sub>xy<\/sub> je <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/cross-spectrum\/\">cross-spectrum<\/a> mezi vstupem a v\u00fdstupem a G<sub>xx<\/sub> je <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/auto-spectrum\/\">autospektrum<\/a> vstupu. Jeliko\u017e se nekorelovan\u00fd \u0161um na v\u00fdstupu v k\u0159\u00ed\u017eov\u00e9m spektru v pr\u016fm\u011bru bl\u00ed\u017e\u00ed nule, tento tvar (odhadova\u010d \u201eH1\u201c) potla\u010duje systematickou chybu zp\u016fsobenou v\u00fdstupn\u00edm \u0161umem a p\u0159edstavuje metodu pou\u017e\u00edvanou v praxi.<\/p>\n<h3>\u010cty\u0159i slo\u017eky<\/h3>\n<p>Jeliko\u017e se jedn\u00e1 o p\u0159enosovou funkci s komplexn\u00edmi hodnotami, lze na ni nahl\u00ed\u017eet \u010dty\u0159mi zp\u016fsoby, z nich\u017e ka\u017ed\u00fd klade d\u016fraz na n\u011bco jin\u00e9ho:<\/p>\n<ul>\n<li><strong>Velikost |H(f)|:<\/strong> zesilovac\u00ed faktor pro ka\u017edou frekvenci.<\/li>\n<li><strong>F\u00e1ze \u2220H(f):<\/strong> f\u00e1zov\u00e9 zpo\u017ed\u011bn\u00ed v\u00fdstupu v\u016f\u010di vstupu.<\/li>\n<li><strong>Real part:<\/strong> slo\u017eka ve f\u00e1zi odezvy.<\/li>\n<li><strong>Imagin\u00e1rn\u00ed \u010d\u00e1st:<\/strong> kvadraturn\u00ed (90\u00b0) slo\u017eka, jej\u00ed\u017e vrcholy jasn\u011b ozna\u010duj\u00ed rezonance.<\/li>\n<\/ul>\n<h2>2. Fyzik\u00e1ln\u00ed v\u00fdznam \u2013 \u010dten\u00ed amplitudy a f\u00e1ze<\/h2>\n<h3>Co v\u00e1m \u0159\u00edk\u00e1 magnituda<\/h3>\n<ul>\n<li><strong>|H| &gt; 1:<\/strong> syst\u00e9m na t\u00e9to frekvenci zesiluje \u2013 v rezonan\u010dn\u00ed oblasti.<\/li>\n<li><strong>|H| = 1:<\/strong> v\u00fdstup se rovn\u00e1 vstupu, neutr\u00e1ln\u00ed reakce.<\/li>\n<li><strong>|H| &lt; 1:<\/strong> syst\u00e9m tlum\u00ed, jako by \u0161lo o \u00fa\u010dinnou izolaci nebo provoz mimo rezonanci.<\/li>\n<li><strong>Peaks<\/strong> vyskytuj\u00ed se p\u0159i vlastn\u00edch frekvenc\u00edch a jejich <strong>height<\/strong> z\u00e1le\u017e\u00ed na tlumen\u00ed \u2013 \u010d\u00edm vy\u0161\u0161\u00ed a ost\u0159ej\u0161\u00ed je vrchol, t\u00edm men\u0161\u00ed je tlumen\u00ed.<\/li>\n<\/ul>\n<h3>Co v\u00e1m f\u00e1ze prozrad\u00ed<\/h3>\n<p>F\u00e1ze je spolehliv\u011bj\u0161\u00edm ukazatelem rezonance, proto\u017ee se chov\u00e1 stejn\u011b bez ohledu na to, jak je graf zmen\u0161en:<\/p>\n<ul>\n<li><strong>0\u00b0:<\/strong> v\u00fdstup ve f\u00e1zi se vstupem \u2014 tuhost-\u0159\u00edzen\u00e1 oblast, pod rezonanc\u00ed.<\/li>\n<li><strong>90\u00b0:<\/strong> v\u00fdstup m\u00e1 zpo\u017ed\u011bn\u00ed o \u010dtvrt cyklu \u2013 p\u0159esn\u011b v rezonanci.<\/li>\n<li><strong>180\u00b0:<\/strong> v\u00fdstup p\u0159esn\u011b opa\u010dn\u00fd ne\u017e vstup \u2014 oblast \u0159\u00edzen\u00e1 hmotnost\u00ed, nad rezonanc\u00ed.<\/li>\n<\/ul>\n<p>Charakteristick\u00fdm znakem skute\u010dn\u00e9 rezonance je tento typick\u00fd f\u00e1zov\u00fd posun o 180\u00b0, k n\u011bmu\u017e doch\u00e1z\u00ed p\u0159i zm\u011bn\u011b frekvence od hodnot pod vrcholem k hodnot\u00e1m nad n\u00edm; v\u00fdkyv v amplitud\u011b bez doprovodn\u00e9ho f\u00e1zov\u00e9ho posunu obvykle znamen\u00e1 n\u011bco jin\u00e9ho.<\/p>\n<h2>3. Jak se m\u011b\u0159\u00ed p\u0159enosov\u00e1 funkce<\/h2>\n<h3>Zkou\u0161ka n\u00e1razem (test n\u00e1razu)<\/h3>\n<p>Nejb\u011b\u017en\u011bj\u0161\u00edm postupem u nainstalovan\u00fdch stroj\u016f je <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/bump-test\/\">n\u00e1razov\u00fd test<\/a>: ude\u0159te do konstrukce kladivem s m\u011b\u0159ic\u00edm za\u0159\u00edzen\u00edm (kter\u00e9 m\u011b\u0159\u00ed s\u00edlu \u00faderu), zat\u00edmco <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/accelerometer\/\">akcelerometr<\/a> zaznamen\u00e1v\u00e1 odezvu. Je to rychl\u00e9 a nevy\u017eaduje \u017e\u00e1dn\u00e9 dal\u0161\u00ed vybaven\u00ed krom\u011b kladiva a sn\u00edma\u010de, i kdy\u017e jeden \u00fader umo\u017e\u0148uje pouze omezen\u00e9 pr\u016fm\u011brov\u00e1n\u00ed a tvar spektra s\u00edly z\u00e1vis\u00ed na tvaru \u0161pi\u010dky kladiva.<\/p>\n<h3>Testov\u00e1n\u00ed budi\u010dem vibrac\u00ed<\/h3>\n<p>\u0158\u00edzen\u00fd elektromagnetick\u00fd vibra\u010dn\u00ed gener\u00e1tor p\u016fsob\u00ed na konstrukci n\u00e1hodn\u00fdm, sinusov\u00fdm nebo chirpov\u00fdm buzen\u00edm, co\u017e umo\u017e\u0148uje vynikaj\u00edc\u00ed kontrolu jak nad velikost\u00ed s\u00edly, tak nad spektr\u00e1ln\u00edm slo\u017een\u00edm. Jedn\u00e1 se o zlat\u00fd standard pro <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/impact-testing\/\">mod\u00e1ln\u00ed testov\u00e1n\u00ed<\/a> p\u0159esnost, av\u0161ak za cenu nutnosti pou\u017e\u00edt speci\u00e1ln\u00ed vybaven\u00ed elektromagnetick\u00e9ho vibr\u00e1toru.<\/p>\n<h3>Provozn\u00ed m\u011b\u0159en\u00ed<\/h3>\n<p>V tomto p\u0159\u00edpad\u011b slou\u017e\u00ed jako vstupn\u00ed veli\u010dina s\u00edla vyv\u00edjen\u00e1 samotn\u00fdm b\u011b\u017e\u00edc\u00edm strojem, co\u017e sice zachycuje re\u00e1ln\u00e9 provozn\u00ed podm\u00ednky, ale omezuje mo\u017enost \u0159\u00edzen\u00ed \u2013 \u00fakolem je tedy tuto vstupn\u00ed veli\u010dinu identifikovat nebo zm\u011b\u0159it, a\u0165 u\u017e pomoc\u00ed silom\u011bru, nebo vhodn\u00e9ho referen\u010dn\u00edho bodu.<\/p>\n<h2>4. Kde se p\u0159enosov\u00e9 funkce pou\u017e\u00edvaj\u00ed<\/h2>\n<ul>\n<li><strong>Mod\u00e1ln\u00ed anal\u00fdza:<\/strong> Vrcholy amplitudy ur\u010duj\u00ed vlastn\u00ed frekvence, f\u00e1zov\u00fd zlom potvrzuje, \u017ee se jedn\u00e1 o skute\u010dn\u00e9 rezonance, \u0161\u00ed\u0159ka \u0161pi\u010dky kvantifikuje tlumen\u00ed a kombinac\u00ed m\u011b\u0159en\u00ed z mnoha bod\u016f lze rekonstruovat tvary kmit\u00e1n\u00ed.<\/li>\n<li><strong>Rezonan\u010dn\u00ed diagnostika:<\/strong> Porovn\u00e1n\u00edm provozn\u00ed frekvence s nam\u011b\u0159en\u00fdmi vlastn\u00edmi frekvencemi se stanov\u00ed bezpe\u010dnostn\u00ed rezerva a odhal\u00ed se problematick\u00e9 rezonance, co\u017e slou\u017e\u00ed jako vod\u00edtko pro p\u0159\u00edpadn\u00e9 \u00fapravy.<\/li>\n<li><strong>N\u00e1vrh izolace proti vibrac\u00edm:<\/strong> p\u0159enosov\u00e1 funkce p\u0159\u00edmo zn\u00e1zor\u0148uje pom\u011br p\u0159enosu v z\u00e1vislosti na frekvenci. Vlastn\u00ed rezonan\u010dn\u00ed frekvence izol\u00e1toru se projevuje jako vrchol a nad hodnotou p\u0159ibli\u017en\u011b 1,4n\u00e1sobku t\u00e9to frekvence kles\u00e1 odezva pod jednotku, p\u0159i\u010dem\u017e dobr\u00e9 izola\u010dn\u00ed vlastnosti se obvykle projevuj\u00ed a\u017e p\u0159i v\u00edce ne\u017e dvojn\u00e1sobku t\u00e9to frekvence.<\/li>\n<li><strong>Predikce struktur\u00e1ln\u00edch zm\u011bn:<\/strong> D\u00edky t\u00e9to m\u011b\u0159en\u00e9 funkci mohou in\u017een\u00fd\u0159i p\u0159edv\u00eddat dopad zv\u00fd\u0161en\u00ed hmotnosti, tuhosti nebo tlumen\u00ed a n\u00e1sledn\u011b tuto zm\u011bnu ov\u011b\u0159it porovn\u00e1n\u00edm stavu p\u0159ed a po.<\/li>\n<\/ul>\n<h2>5. V\u00fdklad v kontextu stroj\u016f<\/h2>\n<h3>Syst\u00e9m rotoru a lo\u017eiska<\/h3>\n<p>Treating <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/unbalance\/\">nevyv\u00e1\u017eenost<\/a> s silou jako vstupem a vibracemi lo\u017eiska jako v\u00fdstupem ukazuje p\u0159enosov\u00e1 funkce p\u0159esn\u011b to, jak se nevyv\u00e1\u017eenost p\u0159em\u011b\u0148uje na m\u011b\u0159iteln\u00e9 vibrace. Jej\u00ed vrcholy se nach\u00e1zej\u00ed na vlastn\u00edch frekvenc\u00edch stroje <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/critical-speed\/\">kritick\u00e9 rychlosti<\/a>, a proto je tento koncept kl\u00ed\u010dov\u00fd pro <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/rotor-dynamics\/\">dynamika rotoru<\/a> anal\u00fdze a pochopen\u00ed toho, pro\u010d rotor p\u0159i n\u011bkter\u00fdch ot\u00e1\u010dk\u00e1ch reaguje prudce a p\u0159i jin\u00fdch zase klidn\u011b.<\/p>\n<h3>Z\u00e1kladn\u00ed a p\u0159enosov\u00e9 cesty<\/h3>\n<p>S vibracemi lo\u017eiskov\u00e9ho t\u011blesa jako vstupn\u00edm sign\u00e1lem a podlahou nebo <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/foundation-stiffness\/\">z\u00e1klad<\/a> S pohybem jako v\u00fdstupn\u00ed veli\u010dinou p\u0159evodn\u00ed funkce mapuje p\u0159enosovou dr\u00e1hu, odhaluje frekvence, p\u0159i nich\u017e energie nejl\u00e9pe pronik\u00e1 do konstrukce, a slou\u017e\u00ed jako podklad pro rozhodnut\u00ed ohledn\u011b izolace \u010di ztu\u017een\u00ed.<\/p>\n<h3>Kde se hod\u00ed ter\u00e9nn\u00ed p\u0159\u00edstroje<\/h3>\n<p>Tento p\u0159\u00edstup ovliv\u0148uje ka\u017edodenn\u00ed pr\u00e1ci v ter\u00e9nu, i kdy\u017e se \u017e\u00e1dn\u00fd form\u00e1ln\u00ed FRF nevypo\u010d\u00edt\u00e1v\u00e1. V <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/vyrovnavani-poli\/\">vyva\u017eov\u00e1n\u00ed na m\u00edst\u011b<\/a>, p\u0159enosn\u00fd dvoukan\u00e1lov\u00fd analyz\u00e1tor, jako je nap\u0159\u00edklad <a href=\"https:\/\/vibromera.eu\/cs\/produkt\/balanset-1\/\">Balanset-1A<\/a> m\u011b\u0159\u00ed amplitudov\u011b-f\u00e1zovou odezvu rotoru 1\u00d7 na zn\u00e1m\u00fd <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/trial-weight\/\">zku\u0161ebn\u00ed hmotnost<\/a> a efektivn\u011b vytv\u00e1\u0159\u00ed p\u0159enosovou funkci s jedinou frekvenc\u00ed \u2014 <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/influence-coefficient\/\">koeficient vlivu<\/a> \u2014 co\u017e softwaru p\u0159esn\u011b sd\u011bluje, jak rotor reaguje na zat\u00ed\u017een\u00ed v jednotliv\u00fdch rovin\u00e1ch, a tedy i to, jak tuto reakci korigovat.<\/p>\n<h3>Ov\u011b\u0159ov\u00e1n\u00ed kvality pomoc\u00ed soudr\u017enosti<\/h3>\n<p>P\u0159enosov\u00e1 funkce je spolehliv\u00e1 pouze tehdy, pokud mezi vstupem a v\u00fdstupem existuje skute\u010dn\u00e1 souvislost, a <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/coherence\/\">koherence<\/a> to potvrzuje pr\u00e1v\u011b tento ukazatel. Hodnota koherence nad 0,9 nazna\u010duje spolehlivou funkci; n\u00edzk\u00e1 koherence varuje p\u0159ed nep\u0159esn\u00fdm m\u011b\u0159en\u00edm nebo nesouvisej\u00edc\u00edm \u0161umem \u2013 proto by se m\u011bla v\u017edy zkontrolovat, ne\u017e se za\u010dne spol\u00e9hat na jakoukoli p\u0159enosovou funkci.<\/p>\n<p>P\u0159enosov\u00e1 funkce pat\u0159\u00ed k nej\u00fa\u010dinn\u011bj\u0161\u00edm analytick\u00fdm n\u00e1stroj\u016fm v dynamice strojn\u00edch za\u0159\u00edzen\u00ed, nebo\u0165 shrnuje z\u00e1kladn\u00ed vztah mezi vstupem a v\u00fdstupem konstrukce do jedin\u00e9 komplexn\u00ed funkce. Zvl\u00e1dnut\u00ed jej\u00edho m\u011b\u0159en\u00ed, interpretace \u2013 zejm\u00e9na rozpozn\u00e1v\u00e1n\u00ed rezonanc\u00ed na z\u00e1klad\u011b amplitudov\u00fdch \u0161pi\u010dek a jejich charakteristick\u00fdch f\u00e1zov\u00fdch p\u0159echod\u016f \u2013 a jej\u00edho praktick\u00e9ho vyu\u017eit\u00ed otev\u00edr\u00e1 cestu k mod\u00e1ln\u00ed anal\u00fdze, diagnostice rezonanc\u00ed, p\u0159edpov\u011bdi \u00fa\u010dink\u016f konstruk\u010dn\u00edch \u00faprav a anal\u00fdze p\u0159enosu, kter\u00e1 tvo\u0159\u00ed z\u00e1klad pokro\u010dil\u00e9ho \u0159\u00edzen\u00ed vibrac\u00ed.<\/p>\n<hr>\n<p><a href=\"https:\/\/vibromera.eu\/cs\/glossary\/\">\u2190 Zp\u011bt na hlavn\u00ed index<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Seznamte se s p\u0159enosovou funkc\u00ed (frekven\u010dn\u00ed odezvou), pom\u011brem v\u00fdstupu k vstupu, kter\u00fd ukazuje, jak syst\u00e9my reaguj\u00ed na vibrace, co\u017e je nezbytn\u00e9 pro mod\u00e1ln\u00ed anal\u00fdzu a struktur\u00e1ln\u00ed dynamiku.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[109,110],"tags":[],"class_list":["post-278","glossary","type-glossary","status-publish","hentry","category-glossary","category-vibration-diagnostics"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/glossary\/278","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/glossary"}],"about":[{"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/types\/glossary"}],"version-history":[{"count":1,"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/glossary\/278\/revisions"}],"predecessor-version":[{"id":101317,"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/glossary\/278\/revisions\/101317"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/media?parent=278"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/categories?post=278"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/tags?post=278"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}