{"id":114,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/envelope-spectrum\/"},"modified":"2026-05-23T22:36:25","modified_gmt":"2026-05-23T22:36:25","slug":"envelope-spectrum","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/cs\/glossary\/envelope-spectrum\/","title":{"rendered":"Co je to ob\u00e1lkov\u00e9 spektrum? Anal\u00fdza demodulovan\u00e9ho sign\u00e1lu"},"content":{"rendered":"<h1>Porozum\u011bn\u00ed spektru ob\u00e1lky<\/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\/114?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\/114?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\/114?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\/114?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\/114?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\/114?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\/114?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\/114?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\/114?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\/114?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\/114?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\/114?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\/114?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\/114?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>Na str\u00e1nk\u00e1ch <strong>ob\u00e1lkov\u00e9 spektrum<\/strong> je frekvence <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/spectrum\/\">spektrum<\/a> z\u00edskan\u00e9 v\u00fdpo\u010dtem <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/fft\/\">Rychl\u00e1 Fourierova transformace (FFT)<\/a> z ob\u00e1lky \u2013 sign\u00e1l s demodulovanou amplitudou \u2013 vznikaj\u00edc\u00ed b\u011bhem <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/envelope-analysis\/\">obalov\u00e1 anal\u00fdza<\/a>. Odhaluje <em>opakovac\u00ed frekvence<\/em> dopad\u016f a modulac\u00ed ukryt\u00fdch ve vysokofrekven\u010dn\u00edm <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/vibration\/\">vibrace<\/a>, co\u017e z n\u00ed \u010din\u00ed nej\u00fa\u010dinn\u011bj\u0161\u00ed metodu pro detekci <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/bearing-defects\/\">vady valiv\u00fdch lo\u017eisek<\/a>. Zat\u00edmco standardn\u00ed spektrum rychlost\u00ed zobrazuje nosn\u00e9 frekvence \u2013 struktur\u00e1ln\u00ed rezonance, kter\u00e9 n\u00e1razy rozezn\u00ed \u2013 spektrum ob\u00e1lky ukazuje frekvenci, s jakou k t\u011bmto n\u00e1raz\u016fm doch\u00e1z\u00ed, a p\u0159\u00edmo se prom\u00edt\u00e1 do <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/bearing-fault-frequencies\/\">frekvence poruch lo\u017eisek<\/a> BPFO, BPFI, BSF a FTF.<\/p>\n<p>Zjednodu\u0161en\u011b \u0159e\u010deno, ob\u00e1lkov\u00e9 spektrum je pro diagnostiku lo\u017eisek t\u00edm, \u010d\u00edm je b\u011b\u017en\u00e9 spektrum pro <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/unbalance\/\">nevyv\u00e1\u017eenost<\/a> a <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/misalignment\/\">nesouosost<\/a>: hlavn\u00ed n\u00e1stroj, kter\u00fd umo\u017e\u0148uje v\u010dasn\u00e9 odhalen\u00ed z\u00e1vad. Z vysokofrekven\u010dn\u00edho \u201e\u0161umu\u201c, kter\u00fd spektrum rychlosti nedok\u00e1\u017ee rozli\u0161it, extrahuje \u010dist\u00e9 diagnostick\u00e9 frekvence.<\/p>\n<h2>1. Jak vznik\u00e1 spektrum ob\u00e1lky<\/h2>\n<p>M\u00edstn\u00ed vada \u2013 od\u0161t\u011bpek na ob\u011b\u017en\u00e9m krou\u017eku, d\u016flek na v\u00e1le\u010dku \u2013 p\u0159i ka\u017ed\u00e9m pr\u016fchodu tvrd\u011b nar\u00e1\u017e\u00ed a vyvol\u00e1v\u00e1 p\u0159irozen\u00e9 rezonance lo\u017eiska v \u0159\u00e1du n\u011bkolika kHz. Tyto rezonance jsou <em>nosn\u00e1<\/em>; pravideln\u00e1 s\u00e9rie n\u00e1raz\u016f <em>moduluje<\/em> amplituda nosn\u00e9 vlny. Ob\u00e1lkov\u00fd proces odstran\u00ed nosnou vlnu a zachov\u00e1 modulaci:<\/p>\n<ol>\n<li><strong>P\u00e1smov\u00fd filtr:<\/strong> izolovat vysokofrekven\u010dn\u00ed p\u00e1smo bohat\u00e9 na rezonan\u010dn\u00ed energii (obvykle 1\u201310 kHz) a potla\u010dit n\u00edzkofrekven\u010dn\u00ed vibrace zp\u016fsoben\u00e9 nevyv\u00e1\u017eenost\u00ed a nesouosost\u00ed. <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/band-pass-filter\/\">p\u00e1smov\u00e1 propust<\/a> d\u011bl\u00e1 tuto pr\u00e1ci.<\/li>\n<li><strong>Detekce ob\u00e1lky (<a href=\"https:\/\/vibromera.eu\/cs\/glossary\/demodulation\/\">demodulace<\/a>):<\/strong> vyrovnat filtrovan\u00fd sign\u00e1l a vykreslit pr\u016fb\u011bh jeho amplitudy \u2013 ob\u00e1lku.<\/li>\n<li><strong>Doln\u00ed propust:<\/strong> vyhladit ob\u00e1lku, aby se odstranilo p\u0159\u00edpadn\u00e9 zbytkov\u00e9 zvln\u011bn\u00ed nosn\u00e9 vlny.<\/li>\n<li><strong>FFT:<\/strong> p\u0159ev\u00e9st ob\u00e1lku do frekven\u010dn\u00ed oblasti.<\/li>\n<li><strong>V\u00fdsledek:<\/strong> spektrum ob\u00e1lky, jeho\u017e vrcholy se nach\u00e1zej\u00ed na frekvenc\u00edch opakov\u00e1n\u00ed n\u00e1raz\u016f.<\/li>\n<\/ol>\n<p>Hlavn\u00ed my\u0161lenkou je, \u017ee modula\u010dn\u00ed frekvence z\u00edskan\u00e9 t\u00edmto \u0159et\u011bzcem <em>jsou<\/em> frekvence poruch lo\u017eisek. Vysokofrekven\u010dn\u00ed nosn\u00e1 vlna slou\u017e\u00ed pouze jako prost\u0159edn\u00edk, kter\u00fd rezonuje poka\u017ed\u00e9, kdy\u017e dojde k n\u00e1razu na z\u00e1vadu.<\/p>\n<h2>2. \u010cten\u00ed spektra ob\u00e1lky<\/h2>\n<h3>Zdrav\u00e9 lo\u017eisko<\/h3>\n<ul>\n<li>N\u00edzk\u00e1 celkov\u00e1 \u00farove\u0148 ob\u00e1lky.<\/li>\n<li>Rovn\u00e1 nebo m\u00edrn\u011b klesaj\u00edc\u00ed k\u0159ivka bez v\u00fdrazn\u00fdch vrchol\u016f.<\/li>\n<li>\u0160umov\u00e1 hladina na \u00farovni citlivosti p\u0159\u00edstroje nebo pod n\u00ed.<\/li>\n<\/ul>\n<h3>Vadn\u00e9 lo\u017eisko<\/h3>\n<ul>\n<li><strong>Prim\u00e1rn\u00ed vrchol:<\/strong> p\u0159i frekvenci poruchy lo\u017eiska \u2014 <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/bpfo\/\">BPFO<\/a>, <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/bpfi\/\">BPFI<\/a>, <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/bsf\/\">BSF<\/a> nebo <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/ftf\/\">FTF<\/a>.<\/li>\n<li><strong>Harmonick\u00e9:<\/strong> 2\u00d7, 3\u00d7, 4\u00d7 harmonick\u00e9 frekvence poruchy se objevuj\u00ed a zesiluj\u00ed s postupuj\u00edc\u00edm zhor\u0161ov\u00e1n\u00edm defektu.<\/li>\n<li><strong><a href=\"https:\/\/vibromera.eu\/cs\/glossary\/sidebands\/\">Postrann\u00ed p\u00e1sma<\/a>:<\/strong> rozm\u00edst\u011bn\u00e9 v kleci (FTF) nebo <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/running-speed\/\">provozn\u00ed ot\u00e1\u010dky<\/a> (1\u00d7) intervaly kolem vrcholu poruchy, kter\u00e9 odr\u00e1\u017eej\u00ed modulaci z\u00e1t\u011b\u017ee v z\u00e1vislosti na tom, jak se vada pohybuje dovnit\u0159 a ven ze z\u00e1t\u011b\u017eov\u00e9 z\u00f3ny.<\/li>\n<li><strong>Zv\u00fd\u0161en\u00e1 hladina:<\/strong> s postupuj\u00edc\u00edm opot\u0159eben\u00edm povrchu se zvy\u0161uje celkov\u00e1 \u00farove\u0148 \u0161umu.<\/li>\n<\/ul>\n<p>Odpov\u00eddaj\u00edc\u00ed vrchol v\u00e1m prozrad\u00ed <em>kter\u00fd<\/em> Kter\u00fd prvek selhal: \u0161pi\u010dka sign\u00e1lu BPFO ukazuje na vn\u011bj\u0161\u00ed krou\u017eek, BPFI na vnit\u0159n\u00ed krou\u017eek, BSF na valiv\u00e9 t\u011bleso a FTF na klec. Jeliko\u017e sign\u00e1ly BPFI a BSF se ot\u00e1\u010dej\u00ed v z\u00f3n\u011b zat\u00ed\u017een\u00ed, jsou amplitudov\u011b modulovan\u00e9, a proto jsou obklopeny postrann\u00edmi p\u00e1smy; u poruchy BPFO v oblasti stacion\u00e1rn\u00edho zat\u00ed\u017een\u00ed tomu tak obvykle nen\u00ed.<\/p>\n<h2>3. Pro\u010d je lep\u0161\u00ed ne\u017e standardn\u00ed spektrum<\/h2>\n<p>D\u00edky t\u0159em vlastnostem je spektrum ob\u00e1lky pro pr\u00e1ci s lo\u017eisky nepostradateln\u00e9:<\/p>\n<ul>\n<li><strong>V\u010dasn\u00e9 odhalen\u00ed:<\/strong> Tento syst\u00e9m pravideln\u011b signalizuje po\u010d\u00ednaj\u00edc\u00ed po\u0161kozen\u00ed ji\u017e mnoho m\u011bs\u00edc\u016f \u2013 \u010dasto 6 a\u017e 18 \u2013 p\u0159edt\u00edm, ne\u017e se z\u00e1vada projev\u00ed ve spektru rychlost\u00ed, \u010d\u00edm\u017e poskytuje maxim\u00e1ln\u00ed \u010dasov\u00fd p\u0159edstih pro zaji\u0161t\u011bn\u00ed n\u00e1hradn\u00edch d\u00edl\u016f a pl\u00e1nov\u00e1n\u00ed. Je citliv\u00fd na mikrood\u0161t\u011bpky, kter\u00e9 na \u0161k\u00e1le rychlost\u00ed nevytv\u00e1\u0159ej\u00ed t\u00e9m\u011b\u0159 \u017e\u00e1dnou energii.<\/li>\n<li><strong>Z\u0159eteln\u00e9 znaky poruchy:<\/strong> proto\u017ee nerovnov\u00e1ha a nesouosost jsou odfiltrov\u00e1ny je\u0161t\u011b p\u0159ed demodulac\u00ed, vynikaj\u00ed poruchov\u00e9 frekvence a jejich postrann\u00ed p\u00e1sma na \u010dist\u00e9m pozad\u00ed, co\u017e usnad\u0148uje jejich rozpozn\u00e1n\u00ed mnohem v\u00edce ne\u017e v p\u0159epln\u011bn\u00e9m \u0161irokop\u00e1smov\u00e9m spektru.<\/li>\n<li><strong>Zaznamen\u00e1v\u00e1n\u00ed n\u00edzkoenergick\u00fdch ud\u00e1lost\u00ed:<\/strong> I nepatrn\u00fd n\u00e1raz nese p\u0159i n\u00edzk\u00e9 frekvenci zanedbatelnou energii, ale \u00fa\u010dinn\u011b vyvol\u00e1v\u00e1 vysokofrekven\u010dn\u00ed rezonance. Zpracov\u00e1n\u00ed ob\u00e1lky sign\u00e1lu zesiluje pr\u00e1v\u011b tyto slab\u00e9, vysokofrekven\u010dn\u00ed diagnostick\u00e9 sign\u00e1ly.<\/li>\n<\/ul>\n<p>Pr\u00e1v\u011b proto se anal\u00fdza ob\u00e1lky \u0159ad\u00ed k <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/shock-pulse-method\/\">metoda r\u00e1zov\u00fdch pulz\u016f<\/a> a <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/spike-energy\/\">energie \u0161pi\u010dky<\/a> jako z\u00e1kladn\u00ed k\u00e1men monitorov\u00e1n\u00ed stavu lo\u017eisek a pro\u010d <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/kurtosis\/\">kurtosa<\/a> \u010dasto stoup\u00e1 \u00fam\u011brn\u011b s \u00farovn\u00ed ob\u00e1lky.<\/p>\n<h2>4. Postup interpretace krok za krokem<\/h2>\n<p>Jak z grafu ob\u00e1lek odvodit diagn\u00f3zu:<\/p>\n<ol>\n<li><strong>Vypo\u010d\u00edtejte frekvence poruch<\/strong> pro namontovan\u00e1 lo\u017eiska \u2014 BPFO, BPFI, BSF a FTF \u2014 na z\u00e1klad\u011b jejich geometrie a ot\u00e1\u010dek h\u0159\u00eddele. Na\u0161e <a href=\"https:\/\/vibromera.eu\/cs\/calculators\/bearing-defect-frequencies\/\">Kalkula\u010dka frekvence vad lo\u017eisek<\/a> vr\u00e1t\u00ed v\u0161echny \u010dty\u0159i b\u011bhem n\u011bkolika sekund a <a href=\"https:\/\/vibromera.eu\/cs\/calculators\/harmonic-frequency-calculator\/\">Kalkula\u010dka harmonick\u00fdch frekvenc\u00ed<\/a> pom\u00e1h\u00e1 mapovat \u0159\u00e1dy.<\/li>\n<li><strong>Prohledat spektrum<\/strong> pro \u0161pi\u010dky v t\u011bchto frekvenc\u00edch, p\u0159i\u010dem\u017e je t\u0159eba po\u010d\u00edtat s odchylkou a v\u00fdpo\u010detn\u00ed toleranc\u00ed p\u0159ibli\u017en\u011b \u00b15 %.<\/li>\n<li><strong>Ov\u011b\u0159te pomoc\u00ed harmonick\u00fdch<\/strong> \u2014 skute\u010dn\u00e1 porucha lo\u017eiska se projevuje s\u00e9ri\u00ed p\u00edk\u016f, nikoli ojedin\u011bl\u00fdm p\u00edkem.<\/li>\n<li><strong>Zkontrolujte rozestupy postrann\u00edch p\u00e1sem<\/strong> pro dal\u0161\u00ed ov\u011b\u0159en\u00ed zdroje<\/li>\n<li><strong>Diagnostikovat a klasifikovat<\/strong> chybu odvozenou z odpov\u00eddaj\u00edc\u00edho prvku a amplitudy<\/li>\n<\/ol>\n<p>Hrub\u00e1 stupnice z\u00e1va\u017enosti, vyj\u00e1d\u0159en\u00e1 v g zrychlen\u00ed ob\u00e1lky, pom\u00e1h\u00e1 stanovit priority opat\u0159en\u00ed: <strong>po\u010d\u00ednaj\u00edc\u00ed<\/strong> defekt (\u22480,5\u20131 g) vykazuje mal\u00fd osamocen\u00fd p\u00edk \u2014 sledovat m\u011bs\u00ed\u010dn\u011b; an <strong>\u010dasn\u00fd<\/strong> defekt (\u22481\u20133 g) vykazuje v\u00fdrazn\u00fd vrchol s jednou nebo dv\u011bma harmonick\u00fdmi \u2013 sledujte stav ka\u017ed\u00fd t\u00fdden a napl\u00e1nujte v\u00fdm\u011bnu v \u0159\u00e1du m\u011bs\u00edc\u016f; a <strong>st\u0159edn\u00ed<\/strong> defekt (\u22483\u201310 g) vykazuje v\u00fdrazn\u00fd p\u00edk, \u0159adu harmonick\u00fdch a postrann\u00edch p\u00e1sem \u2014 napl\u00e1nujte v\u00fdm\u011bnu b\u011bhem n\u011bkolika t\u00fddn\u016f; a <strong>pokro\u010dil\u00fd<\/strong> Defekt (&gt;10 g) se projevuje velmi vysokou amplitudou, velk\u00fdm po\u010dtem harmonick\u00fdch a zv\u00fd\u0161enou z\u00e1kladn\u00ed hladinou \u2013 neprodlen\u011b vym\u011b\u0148te. P\u0159esn\u00e9 mezn\u00ed hodnoty z\u00e1vis\u00ed na velikosti lo\u017eiska a ot\u00e1\u010dk\u00e1ch, proto je v\u017edy vyhodnocujte s ohledem na konkr\u00e9tn\u00ed stroj <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/baseline\/\">z\u00e1kladn\u00ed linie<\/a> a va\u0161e vlastn\u00ed <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/trending\/\">sledov\u00e1n\u00ed trend\u016f<\/a> historie.<\/p>\n<h2>5. Vyu\u017eit\u00ed spektra ob\u00e1lek v praxi<\/h2>\n<p>V <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/condition-monitoring\/\">monitorov\u00e1n\u00ed stavu<\/a> V r\u00e1mci tohoto programu pat\u0159\u00ed spektrum ob\u00e1lky na ka\u017edou trasu lo\u017eiska: sledujte v\u00fdvoj amplitudy ob\u00e1lky p\u0159i ka\u017ed\u00e9 frekvenci poruchy a z\u00edsk\u00e1te varov\u00e1n\u00ed mnohem d\u0159\u00edve \u2013 a mnohem konkr\u00e9tn\u011bji \u2013 ne\u017e by v\u00e1m mohlo poskytnout pouh\u00e9 sledov\u00e1n\u00ed celkov\u00e9ho v\u00fdvoje vibrac\u00ed. P\u0159i odstra\u0148ov\u00e1n\u00ed z\u00e1vad se to osv\u011bd\u010d\u00ed zejm\u00e9na v situac\u00edch, kdy je celkov\u00e1 \u00farove\u0148 vysok\u00e1, ale standardn\u00ed spektrum je nejednozna\u010dn\u00e9, kdy existuje podez\u0159en\u00ed na probl\u00e9m s lo\u017eiskem, kdy je t\u0159eba potvrdit, zda je v\u00fdm\u011bna skute\u010dn\u011b opodstatn\u011bn\u00e1, nebo kdy pot\u0159ebujete identifikovat <em>kter\u00fd<\/em> dojde k poru\u0161e lo\u017eiska v soustav\u011b lo\u017eisek. P\u0159enosn\u00fd dvoukan\u00e1lov\u00fd p\u0159\u00edstroj, jako je nap\u0159\u00edklad <a href=\"https:\/\/vibromera.eu\/cs\/produkt\/balanset-1\/\">Balanset-1A<\/a> umo\u017e\u0148uje technikovi m\u011b\u0159it vysokofrekven\u010dn\u00ed vibrace p\u0159\u00edmo na ka\u017ed\u00e9m t\u011blese lo\u017eiska pomoc\u00ed <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/accelerometer\/\">akcelerometr<\/a>, tak\u017ee p\u0159i t\u00e9\u017ee ter\u00e9nn\u00ed n\u00e1v\u0161t\u011bv\u011b, p\u0159i kter\u00e9 se kontroluje <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/residual-unbalance\/\">zbytkov\u00e1 nevyv\u00e1\u017eenost<\/a> po vyv\u00e1\u017een\u00ed lze tak\u00e9 zkontrolovat lo\u017eiska, zda nevykazuj\u00ed po\u010d\u00e1te\u010dn\u00ed po\u0161kozen\u00ed.<\/p>\n<h2>6. Spektrum ob\u00e1lek vs. anal\u00fdza ob\u00e1lek<\/h2>\n<p>Tyto dva pojmy se \u010dasto pou\u017e\u00edvaj\u00ed jako synonyma, ale je dobr\u00e9 si ujasnit jejich hierarchii. <strong>Anal\u00fdza ob\u00e1lky<\/strong> zahrnuje cel\u00fd proces \u2013 p\u00e1smov\u00e9 filtrov\u00e1n\u00ed, demodulaci a FFT. Tento <strong>ob\u00e1lkov\u00fd sign\u00e1l<\/strong> je demodulovan\u00fd sign\u00e1l v \u010dasov\u00e9 oblasti, co\u017e je meziprodukt. <strong>ob\u00e1lkov\u00e9 spektrum<\/strong> jedn\u00e1 se o kone\u010dn\u00fd graf frekvenc\u00ed, tedy v\u00fdsledek, kter\u00fd analytik skute\u010dn\u011b vyhodnocuje. Stru\u010dn\u011b \u0159e\u010deno, spektrum ob\u00e1lek je v\u00fdstupem anal\u00fdzy ob\u00e1lek a p\u0159edstavuje zlat\u00fd standard pro detekci z\u00e1vad lo\u017eisek: d\u00edky sv\u00e9 schopnosti odhalit frekvence z\u00e1vad dlouho p\u0159edt\u00edm, ne\u017e se projev\u00ed ve standardn\u00edm spektru, a d\u00edky jasn\u00fdm charakteristick\u00fdm signatur\u00e1m specifick\u00fdm pro jednotliv\u00e9 sou\u010d\u00e1sti je nepostradatelnou sou\u010d\u00e1st\u00ed ka\u017ed\u00e9ho souboru n\u00e1stroj\u016f pro prediktivn\u00ed \u00fadr\u017ebu rotuj\u00edc\u00edch za\u0159\u00edzen\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>Zjist\u011bte v\u00edce o ob\u00e1lkov\u00e9m spektru, rychl\u00e9 Fourierovy transformaci (FFT) ob\u00e1lkov\u00e9ho sign\u00e1lu z demodulace, odhalen\u00ed frekvenc\u00ed poruch lo\u017eisek extrakc\u00ed opakovac\u00edch frekvenc\u00ed n\u00e1raz\u016f z vysokofrekven\u010dn\u00edch rezonanc\u00ed.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[114,109],"tags":[],"class_list":["post-114","glossary","type-glossary","status-publish","hentry","category-analysis","category-glossary"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/glossary\/114","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\/114\/revisions"}],"predecessor-version":[{"id":101282,"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/glossary\/114\/revisions\/101282"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/media?parent=114"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/categories?post=114"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/tags?post=114"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}