{"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\/sk\/glossary\/envelope-spectrum\/","title":{"rendered":"\u010co je to ob\u00e1lkov\u00e9 spektrum? Anal\u00fdza demodulovan\u00e9ho sign\u00e1lu"},"content":{"rendered":"<h1>Pochopenie ob\u00e1lkov\u00e9ho 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\/sk\/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\/sk\/product\/balanset-1\/\" title=\"Prenosn\u00fd vyva\u017eova\u010d a analyz\u00e1tor vibr\u00e1ci\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\u00e1 s\u00faprava prenosn\u00e9ho vyva\u017eovacieho zariadenia a analyz\u00e1tora vibr\u00e1ci\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\/sk\/product-category\/devices\/\" rel=\"tag\">Zariadenia<\/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\/sk\/product\/balanset-1\/\" title=\"Prenosn\u00fd vyva\u017eova\u010d a analyz\u00e1tor vibr\u00e1ci\u00ed Balanset-1A\">Prenosn\u00fd vyva\u017eova\u010d a analyz\u00e1tor vibr\u00e1ci\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 (ak sa 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=\"\/sk\/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=\"Prida\u0165 do ko\u0161\u00edka\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Prida\u0165 do ko\u0161\u00edka\" 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=\"\/sk\/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=\"Prida\u0165 do ko\u0161\u00edka: \u201ePortable balancer &amp; Vibration analyzer Balanset-1A\u201c\" rel=\"nofollow\" data-success_message=\"\u201ePortable balancer &amp; Vibration analyzer Balanset-1A\u201c bol pridan\u00fd do v\u00e1\u0161ho ko\u0161\u00edka\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Prida\u0165 do ko\u0161\u00edka<\/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\/sk\/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\/sk\/product\/vibration-sensor\/\" title=\"Sn\u00edma\u010d vibr\u00e1ci\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 vibr\u00e1ci\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\/sk\/product-category\/parts\/\" rel=\"tag\">Diely<\/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\/sk\/product\/vibration-sensor\/\" title=\"Sn\u00edma\u010d vibr\u00e1ci\u00ed\">Sn\u00edma\u010d vibr\u00e1ci\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 (ak sa 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=\"\/sk\/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=\"Prida\u0165 do ko\u0161\u00edka\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Prida\u0165 do ko\u0161\u00edka\" 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=\"\/sk\/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=\"Prida\u0165 do ko\u0161\u00edka: \u201eVibration sensor\u201c\" rel=\"nofollow\" data-success_message=\"\u201eVibration sensor\u201c bol pridan\u00fd do v\u00e1\u0161ho ko\u0161\u00edka\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Prida\u0165 do ko\u0161\u00edka<\/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\/sk\/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\/sk\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Optick\u00fd senzor (laserov\u00fd tachometer)\">\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 tachometer)\" 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\/sk\/product-category\/parts\/\" rel=\"tag\">Diely<\/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\/sk\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Optick\u00fd senzor (laserov\u00fd tachometer)\">Optick\u00fd senzor (laserov\u00fd tachometer)<\/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 (ak sa 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=\"\/sk\/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=\"Prida\u0165 do ko\u0161\u00edka\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Prida\u0165 do ko\u0161\u00edka\" 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=\"\/sk\/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=\"Prida\u0165 do ko\u0161\u00edka: \u201eOptical Sensor (Laser Tachometer)\u201c\" rel=\"nofollow\" data-success_message=\"\u201eOptical Sensor (Laser Tachometer)\u201c bol pridan\u00fd do v\u00e1\u0161ho ko\u0161\u00edka\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Prida\u0165 do ko\u0161\u00edka<\/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\/sk\/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\/sk\/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=\"S\u00faprava na vyva\u017eovanie rotora Vibromera: prenosn\u00e9 puzdro, viackan\u00e1lov\u00fd prevodn\u00edk sign\u00e1lu, ru\u010dn\u00fd analyz\u00e1tor, magnetick\u00e1 z\u00e1klad\u0148a, vibra\u010dn\u00e9 senzory a \u0161pir\u00e1lov\u00e9 k\u00e1ble.\" 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\/sk\/product-category\/devices\/\" rel=\"tag\">Zariadenia<\/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\/sk\/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 (ak sa 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=\"\/sk\/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=\"Prida\u0165 do ko\u0161\u00edka\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Prida\u0165 do ko\u0161\u00edka\" 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=\"\/sk\/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=\"Prida\u0165 do ko\u0161\u00edka: \u201eBalanset-4\u201c\" rel=\"nofollow\" data-success_message=\"\u201eBalanset-4\u201c bol pridan\u00fd do v\u00e1\u0161ho ko\u0161\u00edka\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Prida\u0165 do ko\u0161\u00edka<\/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\/sk\/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\/sk\/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\u00e1klad\u0148a.\" 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\/sk\/product-category\/parts\/\" rel=\"tag\">Diely<\/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\/sk\/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 (ak sa 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=\"\/sk\/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=\"Prida\u0165 do ko\u0161\u00edka\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Prida\u0165 do ko\u0161\u00edka\" 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=\"\/sk\/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=\"Prida\u0165 do ko\u0161\u00edka: \u201eMagnetic Stand Insize-60-kgf\u201c\" rel=\"nofollow\" data-success_message=\"\u201eMagnetic Stand Insize-60-kgf\u201c bol pridan\u00fd do v\u00e1\u0161ho ko\u0161\u00edka\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Prida\u0165 do ko\u0161\u00edka<\/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\/sk\/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\/sk\/product\/reflective-tape\/\" title=\"Reflexn\u00e1 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\u00e1 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\/sk\/product-category\/parts\/\" rel=\"tag\">Diely<\/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\/sk\/product\/reflective-tape\/\" title=\"Reflexn\u00e1 p\u00e1ska\">Reflexn\u00e1 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 (ak sa 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=\"\/sk\/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=\"Prida\u0165 do ko\u0161\u00edka\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Prida\u0165 do ko\u0161\u00edka\" 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=\"\/sk\/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=\"Prida\u0165 do ko\u0161\u00edka: \u201eReflective tape\u201c\" rel=\"nofollow\" data-success_message=\"\u201eReflective tape\u201c bol pridan\u00fd do v\u00e1\u0161ho ko\u0161\u00edka\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Prida\u0165 do ko\u0161\u00edka<\/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\/sk\/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\/sk\/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 s\u00fapravy Balanset-1A s jednotkou rozhrania, sn\u00edma\u010dmi, tachometrom a pr\u00edslu\u0161enstvom\" 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\/sk\/product-category\/devices\/\" rel=\"tag\">Zariadenia<\/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\/sk\/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 (ak sa 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=\"\/sk\/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=\"Prida\u0165 do ko\u0161\u00edka\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Prida\u0165 do ko\u0161\u00edka\" 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=\"\/sk\/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=\"Prida\u0165 do ko\u0161\u00edka: \u201eDynamic balancer \u201cBalanset-1A\u201d OEM\u201c\" rel=\"nofollow\" data-success_message=\"\u201eDynamic balancer \u201cBalanset-1A\u201d OEM\u201c bol pridan\u00fd do v\u00e1\u0161ho ko\u0161\u00edka\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Prida\u0165 do ko\u0161\u00edka<\/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>Str\u00e1nka <strong>ob\u00e1lkov\u00e9 spektrum<\/strong> je frekvencia <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/spectrum\/\">spektrum<\/a> z\u00edskan\u00e9 v\u00fdpo\u010dtom <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/fft\/\">R\u00fdchla premena funkcie (FFT)<\/a> ob\u00e1lky \u2014 amplit\u00fadovo demodulovan\u00e9ho sign\u00e1lu \u2014 vytvorenej po\u010das <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/envelope-analysis\/\">anal\u00fdza ob\u00e1lky<\/a>. Odha\u013euje <em>opakovacia frekvencia<\/em> r\u00e1zov a modul\u00e1ci\u00ed skryt\u00fdch vo vysokofrekven\u010dnom <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/vibration\/\">vibr\u00e1cie<\/a>, \u010do z neho rob\u00ed jednozna\u010dne naj\u00fa\u010dinnej\u0161iu techniku na detekciu <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/bearing-defects\/\">poruchy valiv\u00fdch lo\u017e\u00edsk<\/a>. Zatia\u013e \u010do \u0161tandardn\u00e9 r\u00fdchlostn\u00e9 spektrum zobrazuje nosn\u00e9 frekvencie \u2014 \u0161trukt\u00farne rezonancie, ktor\u00e9 r\u00e1zy rozozvu\u010dia \u2014 ob\u00e1lkov\u00e9 spektrum zobrazuje r\u00fdchlos\u0165, akou tieto r\u00e1zy nast\u00e1vaj\u00fa, \u010do priamo zodpoved\u00e1 <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/bearing-fault-frequencies\/\">frekvencie por\u00fach lo\u017e\u00edsk<\/a> BPFO, BPFI, BSF a FTF.<\/p>\n<p>Jednoducho povedan\u00e9, ob\u00e1lkov\u00e9 spektrum je pre diagnostiku lo\u017e\u00edsk t\u00fdm, \u010d\u00edm je be\u017en\u00e9 spektrum pre <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/unbalance\/\">nevyv\u00e1\u017eenos\u0165<\/a> a <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/misalignment\/\">nespr\u00e1vne zarovnanie<\/a>: prim\u00e1rnym n\u00e1strojom, ktor\u00fd umo\u017e\u0148uje v\u010dasn\u00fa detekciu por\u00fach. Vy\u0165ahuje \u010dist\u00e9 diagnostick\u00e9 frekvencie z vysokofrekven\u010dn\u00e9ho &#8220;\u0161umu&#8221;, ktor\u00fd r\u00fdchlostn\u00e9 spektrum nedok\u00e1\u017ee rozl\u00ed\u0161i\u0165.<\/p>\n<h2>1. Ako sa generuje ob\u00e1lkov\u00e9 spektrum<\/h2>\n<p>Lokalizovan\u00e1 chyba \u2014 vydrolenie na obe\u017enej dr\u00e1he, jamka na val\u010deku \u2014 naraz\u00ed na tvrd\u00fd kontakt raz za prechod a vybud\u00ed vlastn\u00e9 rezonancie lo\u017eiska na nieko\u013ek\u00fdch kHz. Tieto rezonancie s\u00fa <em>nosn\u00e1 vlna<\/em>; pravideln\u00fd sled r\u00e1zov <em>modulates<\/em> amplit\u00fadu nosnej frekvencie. Proces ob\u00e1lky odstr\u00e1ni nosn\u00fa frekvenciu a zachov\u00e1 modul\u00e1ciu:<\/p>\n<ol>\n<li><strong>P\u00e1smov\u00fd filter:<\/strong> izolujte vysokofrekven\u010dn\u00e9 p\u00e1smo bohat\u00e9 na rezonan\u010dn\u00fa energiu (zvy\u010dajne 1\u201310 kHz) a vyrad\u00edte n\u00edzkofrekven\u010dn\u00e9 vibr\u00e1cie sp\u00f4soben\u00e9 nevyv\u00e1\u017een\u00edm a nes\u00faosovos\u0165ou. A <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/band-pass-filter\/\">p\u00e1smov\u00fd filter<\/a> does this job.<\/li>\n<li><strong>Detekcia ob\u00e1lky (<a href=\"https:\/\/vibromera.eu\/sk\/glossary\/demodulation\/\">demodul\u00e1cia<\/a>):<\/strong> usmernite filtrovan\u00fd sign\u00e1l a vykreslite obrys jeho amplit\u00fady \u2014 ob\u00e1lku.<\/li>\n<li><strong>Dolnopriepustn\u00fd filter:<\/strong> vyhla\u010fte ob\u00e1lku, aby ste odstr\u00e1nili ak\u00e9ko\u013evek zvy\u0161kov\u00e9 zvlnenie nosnej frekvencie.<\/li>\n<li><strong>FFT:<\/strong> transformujte ob\u00e1lku do frekven\u010dnej oblasti.<\/li>\n<li><strong>V\u00fdsledok:<\/strong> spektrum ob\u00e1lky, ktor\u00e9ho vrcholy le\u017eia pri frekvenci\u00e1ch opakovania n\u00e1razov.<\/li>\n<\/ol>\n<p>K\u013e\u00fa\u010dovou my\u0161lienkou je, \u017ee modula\u010dn\u00e9 frekvencie z\u00edskan\u00e9 t\u00fdmto re\u0165azcom <em>s\u00fa<\/em> frekvencie poruchy lo\u017eiska. Vysokofrekven\u010dn\u00e1 nosn\u00e1 frekvencia p\u00f4sob\u00ed len ako posol, ktor\u00fd zazvon\u00ed pri ka\u017edom n\u00e1raze na poruchu.<\/p>\n<h2>2. \u010c\u00edtanie ob\u00e1lkov\u00e9ho spektra<\/h2>\n<h3>Zdrav\u00e9 lo\u017eisko<\/h3>\n<ul>\n<li>N\u00edzka celkov\u00e1 \u00farove\u0148 ob\u00e1lky sign\u00e1lu.<\/li>\n<li>Ploch\u00fd alebo mierne klesaj\u00faci priebeh bez v\u00fdrazn\u00fdch vrcholov.<\/li>\n<li>\u0160umov\u00e9 pozadie na \u00farovni alebo pod \u00farov\u0148ou citlivosti pr\u00edstroja.<\/li>\n<\/ul>\n<h3>Poru\u0161en\u00e9 lo\u017eisko<\/h3>\n<ul>\n<li><strong>Prim\u00e1rny vrchol:<\/strong> pri frekvencii poruchy lo\u017eiska \u2014 <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/bpfo\/\">BPFO<\/a>, <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/bpfi\/\">BPFI<\/a>, <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/bsf\/\">BSF<\/a> alebo <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/ftf\/\">FTF<\/a>.<\/li>\n<li><strong>Harmonick\u00e9:<\/strong> 2\u00d7, 3\u00d7, 4\u00d7 frekvencie poruchy sa objavuj\u00fa a narastaj\u00fa, ako sa porucha zhor\u0161uje.<\/li>\n<li><strong><a href=\"https:\/\/vibromera.eu\/sk\/glossary\/sidebands\/\">Bo\u010dn\u00e9 p\u00e1sma<\/a>:<\/strong> rozmiestnen\u00e9 pri klietke (FTF) alebo <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/running-speed\/\">r\u00fdchlos\u0165 behu<\/a> (1\u00d7) intervaloch okolo vrcholu poruchy, \u010do odr\u00e1\u017ea modul\u00e1ciu za\u0165a\u017eenia, ke\u010f porucha obieha do za\u0165a\u017eovacej z\u00f3ny a z nej.<\/li>\n<li><strong>Zv\u00fd\u0161en\u00e9 pozadie:<\/strong> celkov\u00e9 \u0161umov\u00e9 pozadie st\u00fapa, ako sa zhor\u0161ovanie povrchu \u0161\u00edri.<\/li>\n<\/ul>\n<p>Zodpovedaj\u00faci vrchol v\u00e1m prezrad\u00ed <em>ktor\u00e9<\/em> ktor\u00fd prvok zlyhal: vrchol pri BPFO poukazuje na vonkaj\u0161\u00ed kr\u00fa\u017eok, BPFI na vn\u00fatorn\u00fd kr\u00fa\u017eok, BSF na valiv\u00fd element a FTF na klietku. Preto\u017ee BPFI a BSF prech\u00e1dzaj\u00fa za\u0165a\u017eovacou z\u00f3nou, s\u00fa amplit\u00fadovo modulovan\u00e9, a preto ich sprev\u00e1dzaj\u00fa postrann\u00e9 p\u00e1sma; porucha BPFO v stacion\u00e1rnej za\u0165a\u017eovacej z\u00f3ne zvy\u010dajne nie.<\/p>\n<h2>3. Pre\u010do prekon\u00e1va \u0161tandardn\u00e9 spektrum<\/h2>\n<p>Tri vlastnosti robia spektrum ob\u00e1lky nepostr\u00e1date\u013en\u00fdm pri pr\u00e1ci s lo\u017eiskami:<\/p>\n<ul>\n<li><strong>V\u010dasn\u00e1 diagnostika:<\/strong> rutinne signalizuje za\u010d\u00ednaj\u00face po\u0161kodenie mnoho mesiacov \u2014 \u010dasto 6 a\u017e 18 \u2014 predt\u00fdm, ne\u017e sa porucha stane vidite\u013enou v spektre r\u00fdchlosti, \u010d\u00edm poskytuje maxim\u00e1lny predstih na n\u00e1hradn\u00e9 diely a pl\u00e1novanie. Je citliv\u00fd na mikrovydroliny, ktor\u00e9 na \u0161k\u00e1le r\u00fdchlosti produkuj\u00fa takmer \u017eiadnu energiu.<\/li>\n<li><strong>Jasn\u00e9 charakteristiky por\u00fach:<\/strong> preto\u017ee nevyv\u00e1\u017eenos\u0165 a nes\u00faosovos\u0165 s\u00fa odfiltrovan\u00e9 pred demodul\u00e1ciou, poruchov\u00e9 frekvencie a ich postrann\u00e9 p\u00e1sma jasne vystupuj\u00fa na \u010distom pozad\u00ed, \u010do je ove\u013ea \u013eah\u0161ie \u010ditate\u013en\u00e9 ne\u017e preplnen\u00e9 \u0161irokop\u00e1smov\u00e9 spektrum.<\/li>\n<li><strong>Zachyt\u00e1vanie n\u00edzkoenergetick\u00fdch udalost\u00ed:<\/strong> mal\u00fd impulz m\u00e1 zanedbate\u013en\u00fa energiu pri n\u00edzkej frekvencii, ale efekt\u00edvne vzbudzuje rezonancie vysok\u00fdch frekvenci\u00ed. Spracovanie ob\u00e1lky zosil\u0148uje pr\u00e1ve tieto slab\u00e9 diagnostick\u00e9 sign\u00e1ly vysok\u00fdch frekvenci\u00ed.<\/li>\n<\/ul>\n<p>Pr\u00e1ve preto stoj\u00ed ob\u00e1lkov\u00e1 anal\u00fdza po boku <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/shock-pulse-method\/\">met\u00f3da r\u00e1zov\u00e9ho impulzu<\/a> a <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/spike-energy\/\">spike energy<\/a> ako z\u00e1kladn\u00fd kame\u0148 monitorovania stavu lo\u017e\u00edsk, a preto <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/kurtosis\/\">\u0161picatos\u0165<\/a> \u010dasto st\u00fapa s\u00fabe\u017ene s \u00farov\u0148ou ob\u00e1lky.<\/p>\n<h2>4. Systematick\u00fd pracovn\u00fd postup interpret\u00e1cie<\/h2>\n<p>Ako premeni\u0165 ob\u00e1lkov\u00fd graf na diagn\u00f3zu:<\/p>\n<ol>\n<li><strong>Vypo\u010d\u00edtajte frekvencie por\u00fach<\/strong> pre nain\u0161talovan\u00e9 lo\u017eisko \u2014 BPFO, BPFI, BSF a FTF \u2014 z jeho geometrie a ot\u00e1\u010dok hriade\u013ea. N\u00e1\u0161 <a href=\"https:\/\/vibromera.eu\/sk\/calculators\/bearing-defect-frequencies\/\">Kalkula\u010dka frekvencie por\u00fach lo\u017e\u00edsk<\/a> vr\u00e1ti v\u0161etky \u0161tyri v priebehu sek\u00fand, a <a href=\"https:\/\/vibromera.eu\/sk\/calculators\/harmonic-frequency-calculator\/\">Kalkula\u010dka harmonickej frekvencie<\/a> pom\u00e1ha mapova\u0165 poriadky.<\/li>\n<li><strong>Vyh\u013ead\u00e1vanie v spektre<\/strong> vrcholy na t\u00fdchto frekvenci\u00e1ch, pri\u010dom sa prip\u00fa\u0161\u0165a zhruba \u00b15 % na sklz a toleranciu v\u00fdpo\u010dtu.<\/li>\n<li><strong>Potvr\u010fte pomocou harmonick\u00fdch<\/strong> \u2014 skuto\u010dn\u00e1 porucha lo\u017eiska sa prejavuje s\u00e9riou, nie len izolovan\u00fdm impulsom.<\/li>\n<li><strong>Skontrolujte rozostup bo\u010dn\u00fdch p\u00e1siem<\/strong> pre \u010fal\u0161ie potvrdenie zdroja.<\/li>\n<li><strong>Diagnostikujte a klasifikujte<\/strong> poruchu z odpovedaj\u00faceho prvku a amplit\u00fady.<\/li>\n<\/ol>\n<p>Hrub\u00e1 \u0161k\u00e1la z\u00e1va\u017enosti, vyjadren\u00e1 v g ob\u00e1lkov\u00e9ho zr\u00fdchlenia, pom\u00e1ha uprednostni\u0165 opatrenia: <strong>incipient<\/strong> porucha (\u22480,5\u20131 g) sa prejavuje mal\u00fdm izolovan\u00fdm p\u00edkom \u2014 kontrolujte mesa\u010dne; a <strong>early<\/strong> porucha (\u22481 \u2013 3 g) vykazuje zrete\u013en\u00fd vrchol s jednou alebo dvoma harmonick\u00fdmi \u2014 sledujte t\u00fd\u017edenne a napl\u00e1nujte v\u00fdmenu v priebehu mesiacov; <strong>moderate<\/strong> porucha (\u22483 \u2013 10 g) vykazuje siln\u00fd vrchol, viacer\u00e9 harmonick\u00e9 a postrann\u00e9 p\u00e1sma \u2014 napl\u00e1nujte v\u00fdmenu v priebehu t\u00fd\u017ed\u0148ov; a <strong>advanced<\/strong> porucha (&gt;10 g) vykazuje ve\u013emi vysok\u00fa amplit\u00fadu, mnoho harmonick\u00fdch a zv\u00fd\u0161en\u00fa z\u00e1klad\u0148u \u2014 vyme\u0148te naliehavo. Presn\u00e9 prahov\u00e9 hodnoty z\u00e1visia od ve\u013ekosti a ot\u00e1\u010dok lo\u017eiska, preto ich v\u017edy interpretujte vzh\u013eadom na konkr\u00e9tny stroj <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/baseline\/\">z\u00e1kladn\u00e1 l\u00ednia<\/a> and your own <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/trending\/\">trendy<\/a> hist\u00f3ria.<\/p>\n<h2>5. Uvedenie ob\u00e1lkov\u00e9ho spektra do praxe v ter\u00e9ne<\/h2>\n<p>In a <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/condition-monitoring\/\">monitorovanie stavu<\/a> program, ob\u00e1lkov\u00e9 spektrum patr\u00ed na ka\u017ed\u00fa lo\u017eiskov\u00fa trasu: trendujte amplit\u00fadu ob\u00e1lky pri ka\u017edej poruchovej frekvencii a z\u00edskate varovanie ove\u013ea sk\u00f4r \u2014 a ove\u013ea konkr\u00e9tnej\u0161ie \u2014 ne\u017e dok\u00e1\u017ee pon\u00faknu\u0165 samotn\u00e9 trendovanie celkov\u00fdch vibr\u00e1ci\u00ed. Pri rie\u0161en\u00ed probl\u00e9mov sa osved\u010d\u00ed, ke\u010f je celkov\u00e1 \u00farove\u0148 vysok\u00e1, ale \u0161tandardn\u00e9 spektrum je nejednozna\u010dn\u00e9, ke\u010f je podozrenie na probl\u00e9m s lo\u017eiskom, ke\u010f mus\u00edte potvrdi\u0165, \u017ee v\u00fdmena je skuto\u010dne opodstatnen\u00e1, alebo ke\u010f potrebujete identifikova\u0165 <em>ktor\u00e9<\/em> lo\u017eisko v s\u00faprave s viacer\u00fdmi lo\u017eiskami zlyh\u00e1va. Prenosn\u00fd dvojkan\u00e1lov\u00fd pr\u00edstroj, ak\u00fdm je <a href=\"https:\/\/vibromera.eu\/sk\/produkt\/balanset-1\/\">Balanset-1A<\/a> umo\u017e\u0148uje technikovi zachyti\u0165 vysokofrekven\u010dn\u00e9 vibr\u00e1cie priamo na ka\u017edom lo\u017eiskovom telese pomocou <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/accelerometer\/\">akcelerometer<\/a>, tak\u017ee t\u00e1 ist\u00e1 ter\u00e9nna n\u00e1v\u0161teva, ktor\u00e1 kontroluje <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/residual-unbalance\/\">zvy\u0161kov\u00e1 nevyv\u00e1\u017eenos\u0165<\/a> po vyv\u00e1\u017een\u00ed, dok\u00e1\u017ee preveri\u0165 aj lo\u017eisk\u00e1 na za\u010d\u00ednaj\u00face po\u0161kodenie.<\/p>\n<h2>6. Spektrum ob\u00e1lky verzus anal\u00fdza ob\u00e1lky<\/h2>\n<p>Tieto dva pojmy sa \u010dasto pou\u017e\u00edvaj\u00fa zamenite\u013ene, no oplat\u00ed sa udr\u017eiava\u0165 si jasn\u00fa hierarchiu. <strong>Anal\u00fdza ob\u00e1lky<\/strong> je kompletn\u00fd proces \u2014 p\u00e1smov\u00e1 filtr\u00e1cia, demodul\u00e1cia a FFT. <strong>sign\u00e1l ob\u00e1lky<\/strong> je demodulovan\u00fd priebeh v \u010dasovej oblasti, medziprodukt. <strong>ob\u00e1lkov\u00e9 spektrum<\/strong> je fin\u00e1lny frekven\u010dn\u00fd graf, v\u00fdstup, ktor\u00fd analytik skuto\u010dne interpretuje. Stru\u010dne povedan\u00e9, ob\u00e1lkov\u00e9 spektrum je v\u00fdstupom ob\u00e1lkovej anal\u00fdzy a predstavuje zlat\u00fd \u0161tandard na detekciu ch\u00fdb lo\u017e\u00edsk: jeho schopnos\u0165 odhali\u0165 poruchov\u00e9 frekvencie d\u00e1vno predt\u00fdm, ne\u017e sa objavia v \u0161tandardnom spektre, spolu s jasn\u00fdmi signat\u00farami \u0161pecifick\u00fdmi pre jednotliv\u00e9 prvky, z neho rob\u00ed nenahradite\u013en\u00fa s\u00fa\u010das\u0165 ka\u017edej sady n\u00e1strojov predikt\u00edvnej \u00fadr\u017eby rota\u010dn\u00fdch zariaden\u00ed.<\/p>\n<hr>\n<p><a href=\"https:\/\/vibromera.eu\/sk\/glossary\/\">\u2190 Sp\u00e4\u0165 na hlavn\u00fd index<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Z\u00edskajte inform\u00e1cie o ob\u00e1lkovom spektre, r\u00fdchlej premennej funkcie (FFT) ob\u00e1lkov\u00e9ho sign\u00e1lu z demodul\u00e1cie, odhalen\u00ed frekvenci\u00ed por\u00fach lo\u017e\u00edsk extrakciou opakovac\u00edch frekvenci\u00ed n\u00e1razov z vysokofrekven\u010dn\u00fdch rezonanci\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\/sk\/wp-json\/wp\/v2\/glossary\/114","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vibromera.eu\/sk\/wp-json\/wp\/v2\/glossary"}],"about":[{"href":"https:\/\/vibromera.eu\/sk\/wp-json\/wp\/v2\/types\/glossary"}],"version-history":[{"count":1,"href":"https:\/\/vibromera.eu\/sk\/wp-json\/wp\/v2\/glossary\/114\/revisions"}],"predecessor-version":[{"id":101282,"href":"https:\/\/vibromera.eu\/sk\/wp-json\/wp\/v2\/glossary\/114\/revisions\/101282"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/sk\/wp-json\/wp\/v2\/media?parent=114"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/sk\/wp-json\/wp\/v2\/categories?post=114"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/sk\/wp-json\/wp\/v2\/tags?post=114"}],"curies":[{"name":"pracovn\u00fd list","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}