{"id":158,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/low-pass-filter\/"},"modified":"2026-05-23T22:43:47","modified_gmt":"2026-05-23T22:43:47","slug":"low-pass-filter","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/sl\/glossary\/low-pass-filter\/","title":{"rendered":"Kaj je nizkopasovni filter? Zglajevanje in glajenje"},"content":{"rendered":"<h1>Razumevanje nizkoprepustnih filtrov<\/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\/sl\/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\/sl\/product\/balanset-1\/\" title=\"Prenosni balanser in analizator vibracij 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=\"Prenosni uravnote\u017enik in analizator vibracij Balanset-1A v popolnem kompletu\" 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\/sl\/product-category\/devices\/\" rel=\"tag\">Naprave<\/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\/sl\/product\/balanset-1\/\" title=\"Prenosni balanser in analizator vibracij Balanset-1A\">Prenosni balanser in analizator vibracij 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> + DDV (\u010de je primerno)<\/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=\"\/sl\/wp-json\/wp\/v2\/glossary\/158?add-to-cart=986\" data-quantity=\"1\" data-product_id=\"986\" data-product_sku=\"BS-1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"Dodaj v ko\u0161arico\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Dodaj v ko\u0161arico\" 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=\"\/sl\/wp-json\/wp\/v2\/glossary\/158?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=\"Dodaj v ko\u0161arico: \u201cPortable balancer &amp; Vibration analyzer Balanset-1A\u201d\" rel=\"nofollow\" data-success_message=\"\u201cPortable balancer &amp; Vibration analyzer Balanset-1A\u201d je bil dodan v va\u0161o ko\u0161arico\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Dodaj v ko\u0161arico<\/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\/sl\/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\/sl\/product\/vibration-sensor\/\" title=\"Senzor vibracij\">\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=\"Senzor vibracij Balanset-1A od blizu\" 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\/sl\/product-category\/parts\/\" rel=\"tag\">Deli<\/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\/sl\/product\/vibration-sensor\/\" title=\"Senzor vibracij\">Senzor vibracij<\/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> + DDV (\u010de je primerno)<\/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=\"\/sl\/wp-json\/wp\/v2\/glossary\/158?add-to-cart=1820\" data-quantity=\"1\" data-product_id=\"1820\" data-product_sku=\"VS-1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"Dodaj v ko\u0161arico\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Dodaj v ko\u0161arico\" 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=\"\/sl\/wp-json\/wp\/v2\/glossary\/158?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=\"Dodaj v ko\u0161arico: \u201cVibration sensor\u201d\" rel=\"nofollow\" data-success_message=\"\u201cVibration sensor\u201d je bil dodan v va\u0161o ko\u0161arico\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Dodaj v ko\u0161arico<\/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\/sl\/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\/sl\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Opti\u010dni senzor (laserski tahometer)\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Opti\u010dni senzor (laserski tahometer)\" 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\/sl\/product-category\/parts\/\" rel=\"tag\">Deli<\/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\/sl\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Opti\u010dni senzor (laserski tahometer)\">Opti\u010dni senzor (laserski tahometer)<\/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> + DDV (\u010de je primerno)<\/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=\"\/sl\/wp-json\/wp\/v2\/glossary\/158?add-to-cart=1832\" data-quantity=\"1\" data-product_id=\"1832\" data-product_sku=\"Tach-1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"Dodaj v ko\u0161arico\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Dodaj v ko\u0161arico\" 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=\"\/sl\/wp-json\/wp\/v2\/glossary\/158?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=\"Dodaj v ko\u0161arico: \u201cOptical Sensor (Laser Tachometer)\u201d\" rel=\"nofollow\" data-success_message=\"\u201cOptical Sensor (Laser Tachometer)\u201d je bil dodan v va\u0161o ko\u0161arico\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Dodaj v ko\u0161arico<\/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\/sl\/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\/sl\/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=\"Komplet za uravnote\u017eenje rotorjev Vibromera: torba za prena\u0161anje, ve\u010dkanalni pretvornik signala, ro\u010dni analizator, magnetna podlaga, senzorji vibracij in spiralni kabli.\" 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\/sl\/product-category\/devices\/\" rel=\"tag\">Naprave<\/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\/sl\/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> + DDV (\u010de je primerno)<\/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=\"\/sl\/wp-json\/wp\/v2\/glossary\/158?add-to-cart=1833\" data-quantity=\"1\" data-product_id=\"1833\" data-product_sku=\"BS-4\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"Dodaj v ko\u0161arico\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Dodaj v ko\u0161arico\" 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=\"\/sl\/wp-json\/wp\/v2\/glossary\/158?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=\"Dodaj v ko\u0161arico: \u201cBalanset-4\u201d\" rel=\"nofollow\" data-success_message=\"\u201cBalanset-4\u201d je bil dodan v va\u0161o ko\u0161arico\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Dodaj v ko\u0161arico<\/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\/sl\/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\/sl\/product\/magnet-stand\/\" title=\"Magnetno stojalo 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=\"Magnetna osnova.\" 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\/sl\/product-category\/parts\/\" rel=\"tag\">Deli<\/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\/sl\/product\/magnet-stand\/\" title=\"Magnetno stojalo Insize-60-kgf\">Magnetno stojalo 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> + DDV (\u010de je primerno)<\/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=\"\/sl\/wp-json\/wp\/v2\/glossary\/158?add-to-cart=1852\" data-quantity=\"1\" data-product_id=\"1852\" 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data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Dodaj v ko\u0161arico<\/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\/sl\/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\/sl\/product\/reflective-tape\/\" title=\"Odsevni trak\">\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=\"Odsevni trak\" 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\/sl\/product-category\/parts\/\" rel=\"tag\">Deli<\/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\/sl\/product\/reflective-tape\/\" title=\"Odsevni trak\">Odsevni trak<\/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> + DDV (\u010de je primerno)<\/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=\"\/sl\/wp-json\/wp\/v2\/glossary\/158?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=\"Dodaj v ko\u0161arico\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Dodaj v ko\u0161arico\" 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=\"\/sl\/wp-json\/wp\/v2\/glossary\/158?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=\"Dodaj v ko\u0161arico: \u201cReflective tape\u201d\" rel=\"nofollow\" data-success_message=\"\u201cReflective tape\u201d je bil dodan v va\u0161o ko\u0161arico\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Dodaj v ko\u0161arico<\/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\/sl\/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\/sl\/product\/dynamic-balancer-balanset-1a\/\" title=\"Dinami\u010dni uravnote\u017eevalnik &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=\"Vsebina kompleta Balanset-1A z vmesni\u0161ko enoto, senzorji, tahometrom in dodatno opremo\" 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\/sl\/product-category\/devices\/\" rel=\"tag\">Naprave<\/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\/sl\/product\/dynamic-balancer-balanset-1a\/\" title=\"Dinami\u010dni uravnote\u017eevalnik &quot;Balanset-1A&quot; OEM\">Dinami\u010dni uravnote\u017eevalnik \"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> + DDV (\u010de je primerno)<\/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=\"\/sl\/wp-json\/wp\/v2\/glossary\/158?add-to-cart=4193\" data-quantity=\"1\" data-product_id=\"4193\" data-product_sku=\"BS-1OEM\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"Dodaj v ko\u0161arico\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Dodaj v ko\u0161arico\" 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=\"\/sl\/wp-json\/wp\/v2\/glossary\/158?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=\"Dodaj v ko\u0161arico: \u201cDynamic balancer \u201cBalanset-1A\u201d OEM\u201d\" rel=\"nofollow\" data-success_message=\"\u201cDynamic balancer \u201cBalanset-1A\u201d OEM\u201d je bil dodan v va\u0161o ko\u0161arico\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Dodaj v ko\u0161arico<\/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>nizkoprepustni filter<\/strong> (LPF) je frekven\u010dno selektiven element za obdelavo signalov, ki omogo\u010da <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/vibration\/\">vibracije<\/a> komponente pod izbrano mejno frekvenco se prepustijo, medtem ko se komponente nad njo du\u0161ijo. V <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/vibration-analysis\/\">analiza vibracij<\/a> opravlja tri naloge, brez katerih analizator ne more delovati: prepre\u010devanje aliasinga (prepre\u010devanje pojava la\u017enih frekvenc v digitalnih podatkih), zmanj\u0161evanje \u0161uma in izolacija nizkofrekven\u010dnega obmo\u010dja za podrobno preu\u010devanje. Je zrcalna slika <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/high-pass-filter\/\">visokoprepustni filter<\/a>, in ti dve sta temeljna gradnika vseh drugih <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/signal-filtering\/\">filtriranje signalov<\/a> shema.<\/p>\n<p>Nizkoprepustni filtri so verjetno najpogosteje uporabljeni filtri v merilni opremi za vibracije. V vsakem digitalizacijskem sistemu je eden name\u0161\u010den pred pretvornikom kot obvezen filter proti aliasingu, isto funkcijo pa opravlja tudi kot analiti\u010dno orodje za izravnavanje podatkov, odstranjevanje visokofrekven\u010dnega \u0161uma in osredoto\u010danje na nizkofrekven\u010dne pojave. Razumevanje, kako ti filtri oblikujejo signal, je zato klju\u010dnega pomena za zanesljivost katere koli <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/spectrum\/\">spekter<\/a> berete.<\/p>\n<h2>1. Lastnosti filtra<\/h2>\n<h3>Mejna frekvenca (f<sub>c<\/sub>)<\/h3>\n<ul>\n<li><strong>Definicija:<\/strong> frekvenca, pri kateri se odziv filtra zmanj\u0161a za \u22123 dB, tj. na 70,7 % amplitude prepustnega pasu.<\/li>\n<li><strong>Pod f<sub>c<\/sub> (prepustni pas):<\/strong> frekvence prehajajo z minimalnim slabljenjem.<\/li>\n<li><strong>Nad f<sub>c<\/sub> (zaporni pas):<\/strong> frekvence se postopoma zmanj\u0161ujejo.<\/li>\n<li><strong>Prehodni pas:<\/strong> obmo\u010dje okoli f<sub>c<\/sub> kjer se slabljenje postopoma pove\u010duje.<\/li>\n<\/ul>\n<h3>Vrstni red filtrov in izpis<\/h3>\n<p>Stopnja filtra dolo\u010da, kako strm je prehod iz prepustnega pasu v zaporni pas:<\/p>\n<ul>\n<li><strong>1. reda:<\/strong> 6 dB\/oktava (20 dB\/dekada) \u2014 postopno zmanj\u0161evanje.<\/li>\n<li><strong>2. reda:<\/strong> 12 dB\/oktava (40 dB\/dekada) \u2014 zmerno.<\/li>\n<li><strong>4. reda:<\/strong> 24 dB\/oktava (80 dB\/dekada) \u2014 strma.<\/li>\n<li><strong>8. reda:<\/strong> 48 dB\/oktava (160 dB\/dekada) \u2014 zelo strma.<\/li>\n<li><strong>Vi\u0161ji red:<\/strong> ostrej\u0161i prehod in bolj\u0161e du\u0161enje v pasu zaviranja, vendar na ra\u010dun ve\u010djega faznega zamika in dalj\u0161ega odziva pri prehodnih pojavih.<\/li>\n<\/ul>\n<h3>Vrste odgovorov filtrov<\/h3>\n<p>Enako mejno vrednost in zaporedje je mogo\u010de dose\u010di z razli\u010dnimi matemati\u010dnimi oblikami, pri \u010demer se vsaka od njih razlikuje po ravnosti, strminosti in faznem obna\u0161anju:<\/p>\n<ul>\n<li><strong>Butterworth:<\/strong> \u010dim bolj ravna pasovna krivulja brez nihanja.<\/li>\n<li><strong>\u010cebi\u0161ev:<\/strong> ostrej\u0161i prehod, pri \u010demer se dopu\u0161\u010da nihanje v prepustnem pasu.<\/li>\n<li><strong>Bessel:<\/strong> linearna faza, kar pomeni minimalno popa\u010denje valovne oblike \u2014 prava izbira, kadar je oblika <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/time-waveform\/\">\u010dasovni potek signala<\/a> je pomembno.<\/li>\n<li><strong>Elipti\u010dni:<\/strong> \u010dim bolj strm prehod, z valovanjem tako v prepustnem kot v zapornem pasu.<\/li>\n<\/ul>\n<h2>2. Glavne uporabe<\/h2>\n<h3>Zglajevanje robov (najpomembnej\u0161e)<\/h3>\n<p>To je funkcija, ki je noben digitalizator ne sme izpustiti. Brez nje se frekvence nad Nyquistovo mejo prepognejo nazaj in se pojavijo kot la\u017eni vrhovi \u2013 pojav <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/aliasing\/\">aliasiranje<\/a>.<\/p>\n<ul>\n<li><strong>Namen:<\/strong> blokirajo frekvence, ki presegajo Nyquistovo frekvenco (polovico vzor\u010dne frekvence).<\/li>\n<li><strong>Zahteva:<\/strong> mora delovati <em>pred<\/em> analogno-digitalna pretvorba \u2014 programska oprema ne more naknadno odstraniti aliasa.<\/li>\n<li><strong>Tipi\u010dna mejna frekvenca:<\/strong> 0,4\u20130,8 \u00d7 (frekvenca vzor\u010denja \/ 2).<\/li>\n<li><strong>Strmina:<\/strong> Obi\u010dajno 8. reda ali vi\u0161je za dobro zavra\u010danje aliasinga<\/li>\n<li><strong>Posledica zanemarjanja:<\/strong> neustrezno filtriranje proti aliasingu ustvarja la\u017ene spektralne vrhove, ki posnemajo prave napake.<\/li>\n<\/ul>\n<h3>Zmanj\u0161anje hrupa<\/h3>\n<ul>\n<li>Odstrani visokofrekven\u010dne elektri\u010dne motnje.<\/li>\n<li>Odstrani \u0161um iz senzorskega kabla.<\/li>\n<li>Izravna podatke za <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/trending\/\">trendi<\/a>.<\/li>\n<li>Izbolj\u0161a razmerje med signalom in \u0161umom za zanimive nizkofrekven\u010dne komponente.<\/li>\n<\/ul>\n<h3>Omejitev frekven\u010dnega obmo\u010dja<\/h3>\n<ul>\n<li>Analizo osredoto\u010di na zanimivi frekven\u010dni razpon.<\/li>\n<li>Primer: analiza v frekven\u010dnem obmo\u010dju 0\u2013100 Hz za stroje z nizkimi vrtilnimi hitrostmi.<\/li>\n<li>Odstrani nepomembne visokofrekven\u010dne signale.<\/li>\n<li>Zmanj\u0161a potrebe po obdelavi in shranjevanju podatkov.<\/li>\n<\/ul>\n<h3>Priprava na integracijo<\/h3>\n<ul>\n<li>Uporabljen pred <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/integration\/\">integrirni<\/a> <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/acceleration\/\">pospe\u0161ek<\/a> do <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/velocity\/\">hitrost<\/a>.<\/li>\n<li>Odstrani zelo visoke frekvence \u2013 \u0161um, ki bi ga integracija sicer \u0161e okrepila.<\/li>\n<li>Tipi\u010dna mejna frekvenca: 1000\u20135000 Hz, odvisno od namena uporabe.<\/li>\n<li>Prepre\u010duje oja\u010danje hrupa, ki je zna\u010dilno za nekontrolirano integracijo.<\/li>\n<\/ul>\n<h2>3. Izbiranje mejne frekvence<\/h2>\n<h3>Aplikacije za prepre\u010devanje aliasinga<\/h3>\n<ul>\n<li><strong>Pravilo:<\/strong> f<sub>c<\/sub> = od 0,4-kratne vzor\u010dne frekvence (konzervativno) do 0,8-kratne vzor\u010dne frekvence (agresivno).<\/li>\n<li><strong>Primer:<\/strong> frekvenca vzor\u010denja 10 kHz daje f<sub>c<\/sub> = 4000 Hz.<\/li>\n<li><strong>Merilo:<\/strong> zmanj\u0161anje v pasu zaviranja ve\u010dje od 60 dB pri Nyquistovi frekvenci.<\/li>\n<\/ul>\n<h3>Analiti\u010dne aplikacije<\/h3>\n<ul>\n<li>Nastavite f<sub>c<\/sub> neposredno nad najvi\u0161jo frekvenco, ki nas zanima.<\/li>\n<li>Za analizo nizkih frekvenc (0\u2013200 Hz): f<sub>c<\/sub> = 200\u2013300 Hz.<\/li>\n<li>Za <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/unbalance\/\">neuravnote\u017eenost<\/a> samo (komponenta 1\u00d7): f<sub>c<\/sub> = 5\u201310-krat <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/running-speed\/\">obratovalna hitrost<\/a>.<\/li>\n<li>Vedno pustite nekaj prostora za prehodni pas filtra.<\/li>\n<\/ul>\n<h3>Zmanj\u0161anje hrupa<\/h3>\n<ul>\n<li>Iz spektra dolo\u010dite frekven\u010dni razpon hrupa.<\/li>\n<li>Nastavite f<sub>c<\/sub> za prepustitev signalnih frekvenc in hkratno zavra\u010danje \u0161umskih frekvenc.<\/li>\n<li>Najdi ravnovesje med odstranjevanjem \u0161uma in ohranjanjem signala.<\/li>\n<\/ul>\n<h2>4. Vplivi na meritve<\/h2>\n<h3>Amplitudna domena<\/h3>\n<ul>\n<li><strong>Prepustni pas:<\/strong> minimalna sprememba amplitude, obi\u010dajno manj\u0161a od 0,5 dB.<\/li>\n<li><strong>Zaporni pas:<\/strong> mo\u010dno slabljenje, 40\u201380 dB ali ve\u010d.<\/li>\n<li><strong>Skupna raven:<\/strong> filter zmanj\u0161a skupno vrednost vibracij, \u010de je prisotna znatna vsebnost visokih frekvenc.<\/li>\n<\/ul>\n<h3>\u010casovna domena<\/h3>\n<ul>\n<li>Valovna oblika se izgladi, saj se odstranijo visokofrekven\u010dna nihanja.<\/li>\n<li>Ostre robove in konice so zaobljene.<\/li>\n<li>Prehodni odziv (zvonjenje filtra) lahko vpliva na obliko valovne oblike<\/li>\n<li>Fazna popa\u010denost lahko vpliva na razlago valovne oblike.<\/li>\n<\/ul>\n<h3>Frekven\u010dna domena<\/h3>\n<ul>\n<li>Spekter ka\u017ee zmanj\u0161ane amplitude nad mejno frekvenco.<\/li>\n<li>Visokofrekven\u010dni vrhovi so zmanj\u0161ani ali odpravljeni.<\/li>\n<li>Raven \u0161uma se zni\u017ea, \u010de je \u0161um visokofrekven\u010den.<\/li>\n<\/ul>\n<h2>5. Pogosta vpra\u0161anja in re\u0161itve<\/h2>\n<h3>Neustrezno glajenje robov<\/h3>\n<ul>\n<li><strong>Simptom:<\/strong> la\u017eni nizkofrekven\u010dni vrhovi v spektru.<\/li>\n<li><strong>Vzrok:<\/strong> visoke frekvence se zni\u017eajo pod Nyquistovo mejo.<\/li>\n<li><strong>Re\u0161itev:<\/strong> uporabite filter s strmej\u0161o krivuljo, pove\u010dajte frekvenco vzor\u010denja in preverite, ali filter dejansko deluje.<\/li>\n<\/ul>\n<h3>Prenizka meja<\/h3>\n<ul>\n<li><strong>Simptom:<\/strong> veljavni visokofrekven\u010dni signali so oslabljeni.<\/li>\n<li><strong>Primer:<\/strong> <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/bearing-fault-frequencies\/\">frekvence napak le\u017eajev<\/a> zmanj\u0161an zaradi preve\u010d agresivnega nizkopasovnega filtra.<\/li>\n<li><strong>Re\u0161itev:<\/strong> pove\u010dajte mejno frekvenco ali uporabite bla\u017eji naklon filtra.<\/li>\n<\/ul>\n<h3>Filtriraj artefakte<\/h3>\n<ul>\n<li><strong>Zvonjenje:<\/strong> nihanja v \u010dasovnem prostoru, ki jih povzro\u010da oster odrez filtra.<\/li>\n<li><strong>Fazna popa\u010denost:<\/strong> spremembe oblike valovne krivulje, ki izhajajo iz faznih zamikov.<\/li>\n<li><strong>Re\u0161itev:<\/strong> uporabite Besselov filter za kriti\u010dne aplikacije z valovnimi oblikami, kjer je pomembna fazna linearnost.<\/li>\n<\/ul>\n<h2>6. Dopolnilni filtri<\/h2>\n<h3>Nizkopasovni v primerjavi z visokopasovnim<\/h3>\n<ul>\n<li><strong>Nizkoprepustni:<\/strong> prepu\u0161\u010da nizke frekvence, visoke pa blokira.<\/li>\n<li><strong>Visokoprepustni:<\/strong> prepu\u0161\u010da visoke frekvence, nizke pa blokira.<\/li>\n<li><strong>Dopolnjujo\u010de:<\/strong> se skupaj uporabljata za oblikovanje pasovnega filtra.<\/li>\n<\/ul>\n<h3>Pasovno prepustni filter<\/h3>\n<ul>\n<li>Kombinacija visokoprepustnega in nizkoprepustnega filtra.<\/li>\n<li>Nastala <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/band-pass-filter\/\">pasovno prepustni filter<\/a> prepu\u0161\u010da le frekvence znotraj dolo\u010denega pasu.<\/li>\n<li>Zavra\u010da vsebino tako pod kot nad tem razponom.<\/li>\n<li>To je sprednji del <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/envelope-analysis\/\">analiza ovojnice<\/a>, kjer se pred demodulacijo izolira pas okoli strukturne resonance le\u017eaja.<\/li>\n<\/ul>\n<h2>7. Kje se nizkoprepustni filter uporablja v praksi<\/h2>\n<p>Na digitalnem terenskem merilnem instrumentu je nizkoprepustni filter ve\u010dinoma neviden \u2013 svojo vlogo pri prepre\u010devanju aliasinga opravlja tiho znotraj verige zajemanja podatkov \u2013, vendar pa je klju\u010dnega pomena za zanesljivost vsake izmerjene vrednosti. Prenosni dvo-kanalni analizator, kot je <a href=\"https:\/\/vibromera.eu\/sl\/izdelek\/balanset-1\/\">Balanset-1A<\/a> omejitve pasu vsakega <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/accelerometer\/\">merilnik pospe\u0161ka<\/a> kanal pred vzor\u010denjem, zato <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/fft\/\">Hitra pretvorba (FFT)<\/a> ki ga analizator izra\u010duna za uravnote\u017eenje in diagnostiko, ne vsebuje prekrivajo\u010dih se vrhov v celotnem delovnem obmo\u010dju. Ker je spekter \u010dist, lahko analizator lo\u010di 1\u00d7 <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/phase\/\">amplituda in faza<\/a> potrebno za uravnote\u017eenje rotorja in poro\u010danje o dejanski <a href=\"https:\/\/vibromera.eu\/sl\/glossary\/residual-unbalance\/\">preostala neuravnote\u017eenost<\/a>, namesto da bi lovili navidezno frekvenco, ki nastane zaradi slabe filtracije.<\/p>\n<p>Nizkoprepustni filtri so temeljni sestavni deli sistemov za merjenje vibracij, ki opravljajo klju\u010dne funkcije, od za\u0161\u010dite pred aliasingom do zmanj\u0161evanja \u0161uma in izbire frekven\u010dnega obmo\u010dja. Razumevanje njihovega delovanja, pravilna izbira mejne frekvence in zavedanje o njihovem vplivu na merjeni signal so klju\u010dnega pomena za natan\u010dno analizo in prepre\u010devanje merilnih artefaktov pri digitalnem zajemanju podatkov.<\/p>\n<hr>\n<p><a href=\"https:\/\/vibromera.eu\/sl\/glossary\/\">\u2190 Nazaj na glavno kazalo<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Spoznajte nizkoprepustne filtre v analizi vibracij, orodja za obdelavo signalov, ki prepu\u0161\u010dajo nizke frekvence, medtem ko blokirajo visoke frekvence, kar je bistveno za prepre\u010devanje glajenja zvoka in zmanj\u0161evanje \u0161uma.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[109,110],"tags":[],"class_list":["post-158","glossary","type-glossary","status-publish","hentry","category-glossary","category-vibration-diagnostics"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/sl\/wp-json\/wp\/v2\/glossary\/158","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vibromera.eu\/sl\/wp-json\/wp\/v2\/glossary"}],"about":[{"href":"https:\/\/vibromera.eu\/sl\/wp-json\/wp\/v2\/types\/glossary"}],"version-history":[{"count":1,"href":"https:\/\/vibromera.eu\/sl\/wp-json\/wp\/v2\/glossary\/158\/revisions"}],"predecessor-version":[{"id":101341,"href":"https:\/\/vibromera.eu\/sl\/wp-json\/wp\/v2\/glossary\/158\/revisions\/101341"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/sl\/wp-json\/wp\/v2\/media?parent=158"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/sl\/wp-json\/wp\/v2\/categories?post=158"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/sl\/wp-json\/wp\/v2\/tags?post=158"}],"curies":[{"name":"delovni list","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}