{"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\/bs\/glossary\/low-pass-filter\/","title":{"rendered":"\u0160to je niskopropusni filtar? Anti-Aliasing i umirenje"},"content":{"rendered":"<h1>Razumijevanje niskopropusnih filtara<\/h1>\n\t\t<section class=\"woocommerce hestia-shop products is-shortcode\" id=\"products\" data-sorder=\"hestia_shop\" >\n\t\t\t\t\t\t<div class=\"\">\n\t\t\t\t\t\t<div class=\"hestia-shop-content\">\n\t\t\t<div class=\"row\" data-aos=\"fade-up\" >\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/bs\/product\/balanset-1\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/bs\/product\/balanset-1\/\" title=\"Prijenosni balanser i analizator vibracija Balanset-1A\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Balanset-1A kompletan set prenosivi balanser i analizator vibracija\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-18x12.webp 18w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-272x182.webp 272w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/bs\/product-category\/devices\/\" rel=\"tag\">Ure\u0111aji<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/bs\/product\/balanset-1\/\" title=\"Prijenosni balanser i analizator vibracija Balanset-1A\">Prijenosni balanser i analizator vibracija Balanset-1A<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>1,975.00<\/span> + PDV (ako se primjenjuje)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/bs\/wp-json\/wp\/v2\/glossary\/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 u korpu\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Dodaj u korpu\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/bs\/wp-json\/wp\/v2\/glossary\/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=\"Add to cart: \u201cPortable balancer &amp; Vibration analyzer Balanset-1A\u201d\" rel=\"nofollow\" data-success_message=\"\u201cPortable balancer &amp; Vibration analyzer Balanset-1A\u201d has been added to your cart\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Dodaj u korpu<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_986\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/bs\/product\/vibration-sensor\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/bs\/product\/vibration-sensor\/\" title=\"Senzor vibracija\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Balanset-1A senzor vibracija u detaljnom prikazu\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-600x400.webp 600w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-300x200.webp 300w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-768x512.webp 768w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-1024x682.webp 1024w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-272x182.webp 272w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3.webp 1280w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/bs\/product-category\/parts\/\" rel=\"tag\">dijelovi<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/bs\/product\/vibration-sensor\/\" title=\"Senzor vibracija\">Senzor vibracija<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>90.00<\/span> + PDV (ako se primjenjuje)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/bs\/wp-json\/wp\/v2\/glossary\/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 u korpu\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Dodaj u korpu\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/bs\/wp-json\/wp\/v2\/glossary\/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=\"Add to cart: \u201cVibration sensor\u201d\" rel=\"nofollow\" data-success_message=\"\u201cVibration sensor\u201d has been added to your cart\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Dodaj u korpu<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_1820\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/bs\/product\/optical-sensor-for-balanset-and-arbalance\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/bs\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"opti\u010dki senzor (laserski tahometar)\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"opti\u010dki senzor (laserski tahometar)\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-300x200.webp 300w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-1024x682.webp 1024w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-768x512.webp 768w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-1536x1023.webp 1536w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-18x12.webp 18w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-460x306.webp 460w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-600x400.webp 600w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-272x182.webp 272w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU.webp 1600w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/bs\/product-category\/parts\/\" rel=\"tag\">dijelovi<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/bs\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"opti\u010dki senzor (laserski tahometar)\">opti\u010dki senzor (laserski tahometar)<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>124.00<\/span> + PDV (ako se primjenjuje)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/bs\/wp-json\/wp\/v2\/glossary\/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 u korpu\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Dodaj u korpu\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/bs\/wp-json\/wp\/v2\/glossary\/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=\"Add to cart: \u201cOptical Sensor (Laser Tachometer)\u201d\" rel=\"nofollow\" data-success_message=\"\u201cOptical Sensor (Laser Tachometer)\u201d has been added to your cart\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Dodaj u korpu<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_1832\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/bs\/product\/balanset-4\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/bs\/product\/balanset-4\/\" title=\"Balanset-4\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Vibromera set za balansiranje rotora: kofer za no\u0161enje, multikanalnu jedinicu za kondicioniranje signala, ru\u010dni analizator, magnetnu bazu, senzore vibracija i spiralne kablove.\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-300x200.webp 300w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-18x12.webp 18w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-460x306.webp 460w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-600x400.webp 600w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-272x182.webp 272w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4.webp 640w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/bs\/product-category\/devices\/\" rel=\"tag\">Ure\u0111aji<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/bs\/product\/balanset-4\/\" title=\"Balanset-4\">Balanset-4<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>6,803.00<\/span> + PDV (ako se primjenjuje)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/bs\/wp-json\/wp\/v2\/glossary\/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 u korpu\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Dodaj u korpu\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/bs\/wp-json\/wp\/v2\/glossary\/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=\"Add to cart: \u201cBalanset-4\u201d\" rel=\"nofollow\" data-success_message=\"\u201cBalanset-4\u201d has been added to your cart\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Dodaj u korpu<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_1833\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div><!-- \/.row --><div class=\"row\">\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/bs\/product\/magnet-stand\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/bs\/product\/magnet-stand\/\" title=\"Magnetno postolje Insize-60-kgf\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Magnet base.\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-600x400.webp 600w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-300x200.webp 300w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-1024x682.webp 1024w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-768x512.webp 768w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-272x182.webp 272w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36.webp 1280w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span 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height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Balanset-1A sadr\u017eaj seta sa interfejsnom jedinicom, senzorima, tahometrom i dodatnom opremom\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-600x400.webp 600w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-300x200.webp 300w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-1024x683.webp 1024w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-768x512.webp 768w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-1536x1024.webp 1536w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-2048x1366.webp 2048w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-272x182.webp 272w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-e1732998877834.webp 708w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/bs\/product-category\/devices\/\" rel=\"tag\">Ure\u0111aji<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/bs\/product\/dynamic-balancer-balanset-1a\/\" title=\"Dinami\u010dki balanser \u201cBalanset-1A\u201d OEM\">Dinami\u010dki balanser \u201cBalanset-1A\u201d OEM<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>1,735.00<\/span> + PDV (ako se primjenjuje)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/bs\/wp-json\/wp\/v2\/glossary\/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 u korpu\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Dodaj u korpu\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/bs\/wp-json\/wp\/v2\/glossary\/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=\"Add to cart: \u201cDynamic balancer \u201cBalanset-1A\u201d OEM\u201d\" rel=\"nofollow\" data-success_message=\"\u201cDynamic balancer \u201cBalanset-1A\u201d OEM\u201d has been added to your cart\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Dodaj u korpu<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_4193\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/section>\n\t\t\n<p>A <strong>niskopropusni filtar<\/strong> (NF) je frekvencijski selektivni element obrade signala koji dozvoljava <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/vibration\/\">vibration<\/a> komponente ispod odabrane grani\u010dne frekvencije prolaze dok se komponente iznad nje gu\u0161enjem. U <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/vibration-analysis\/\">vibration analysis<\/a> obavlja tri posla koja analizator ne mo\u017ee obaviti bez: anti-aliasing (spre\u010davanje la\u017enih frekvencija da se pojave u digitalnim podacima), smanjenje \u0161uma i izolacija niskofrekventne oblasti za fokusirano prou\u010davanje. To je zrcalna slika <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/high-pass-filter\/\">filtru visokih frekvencija<\/a>, a ta dva su gradivni blokovi svakog drugog <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/signal-filtering\/\">filtriranja signala<\/a> scheme.<\/p>\n<p>Filtri niskih frekvencija su vjerovatno naj\u010de\u0161\u0107e kori\u0161\u0107eni filtri u instrumentaciji vibracione analize. Jedan se nalazi ispred konvertora u svakom digitalizuju\u0107em sistemu kao obavezni anti-aliasing filter, i ista funkcija je ponu\u0111ena kao alat analize za gla\u0111enje podataka, uklanjanje visokofrekventnog \u0161uma i usredstavljanje na niskofrekventne pojave. Razumijevanje kako oni oblikuju signal je stoga bitno za pouzdanost bilo kojeg <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/spectrum\/\">spectrum<\/a> you read.<\/p>\n<h2>1. Karakteristike filtera<\/h2>\n<h3>Grani\u010dna frekvencija (f<sub>c<\/sub>)<\/h3>\n<ul>\n<li><strong>Definition:<\/strong> frekvencija na kojoj je odgovor filtera pao na &minus;3 dB, tj. 70,7% amplitude propusnog opsega.<\/li>\n<li><strong>Below f<sub>c<\/sub> (passband):<\/strong> frekvencije prolaze sa minimalnim gu\u0161enjem.<\/li>\n<li><strong>Above f<sub>c<\/sub> (stopband):<\/strong> frekvencije su progresivno gu\u0161e.<\/li>\n<li><strong>Prelazna zona:<\/strong> oblast oko f<sub>c<\/sub> gdje se gu\u0161enje postupno poja\u010dava.<\/li>\n<\/ul>\n<h3>Red filtera i roll-off<\/h3>\n<p>Red filtera odre\u0111uje kako o\u0161tr\u043e prelazi iz propusnog opsega u zaustavni opseg:<\/p>\n<ul>\n<li><strong>1st order:<\/strong> 6 dB\/oktava (20 dB\/dekadu) \u2014 postepeni roll-off.<\/li>\n<li><strong>2nd order:<\/strong> 12 dB\/oktava (40 dB\/dekadu) \u2014 umjereni.<\/li>\n<li><strong>4th order:<\/strong> 24 dB\/oktava (80 dB\/dekadu) \u2014 strm.<\/li>\n<li><strong>8th order:<\/strong> 48 dB\/oktava (160 dB\/dekadu) \u2014 vrlo strm.<\/li>\n<li><strong>Higher order:<\/strong> o\u0161trijaa prelazak i bolje odbijanje zaustavnog opsega, uz cijenu ve\u0107eg faznog pomaka i du\u017ee prijelazne karakteristike.<\/li>\n<\/ul>\n<h3>Tipovi Odgovora Filtera<\/h3>\n<p>Ista frekvencija odsje\u010denja i red mogu se realizirati s razli\u010ditim matemati\u010dkim oblicima, od kojih svaki ravnote\u017ei ravnost, o\u0161trine i fazno pona\u0161anje:<\/p>\n<ul>\n<li><strong>Butterworth:<\/strong> maksimalno ravno propusnog opsega bez valovitosti.<\/li>\n<li><strong>Chebyshev:<\/strong> o\u0161trijaa odsje\u010denja, prihvataju\u0107i valovitost u propusnom opsegu.<\/li>\n<li><strong>Bessel:<\/strong> linearna faza, \u0161to zna\u010di minimalno iskrivljenje valnog oblika \u2014 pravi izbor kada oblik <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/time-waveform\/\">time waveform<\/a> matters.<\/li>\n<li><strong>Elliptic:<\/strong> najo\u0161triji mogu\u0107i prelazak, s valovito\u0161\u0107u u propusnom i zaustavnom opsegu.<\/li>\n<\/ul>\n<h2>2. Primarnih Primjena<\/h2>\n<h3>Antialiasing (najva\u017enije)<\/h3>\n<p>Ovo je funkcija koju nijedan digitalizator ne mo\u017ee izostavljati. Bez nje, frekvencije iznad Nyquistove granice se savijaju i pojavljuju kao la\u017ene vrne \u2014 fenomen <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/aliasing\/\">aliasing<\/a>.<\/p>\n<ul>\n<li><strong>Purpose:<\/strong> blokiranja frekvencija iznad Nyquistove frekvencije (polovina brzine uzorkovanja).<\/li>\n<li><strong>Requirement:<\/strong> it must act <em>before<\/em> analogno-digitalne konverzije \u2014 softver ne mo\u017ee ukloniti alias nakon \u010dinjenice.<\/li>\n<li><strong>Tipi\u010dna frekvencija odsje\u010denja:<\/strong> 0,4&ndash;0,8 &times; (brzina uzorkovanja \/ 2).<\/li>\n<li><strong>Steepness:<\/strong> obi\u010dno 8. red ili vi\u0161i za dobro odbijanje aliasingaa.<\/li>\n<li><strong>Posljedica zapostavljanja:<\/strong> neadekvatno antialiasing stvara la\u017ene spektralne vrhove koji opona\u0161aju prave gre\u0161ke.<\/li>\n<\/ul>\n<h3>Smanjenje buke<\/h3>\n<ul>\n<li>Uklanja visokofrekventni elektri\u010dni \u0161um.<\/li>\n<li>Filtrira \u0161um senzora i kabela.<\/li>\n<li>Gladi podatke za <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/trending\/\">trending<\/a>.<\/li>\n<li>Pobolj\u0161ava odnos signal-\u0161uma za komponentama sa niskom frekvencijom od interesa.<\/li>\n<\/ul>\n<h3>Ograni\u010denje Frekventnog Raspona<\/h3>\n<ul>\n<li>Fokusira analizu na frekventni raspon od interesa.<\/li>\n<li>Primjer: analiza od 0&ndash;100 Hz za ma\u0161ineriju sa niskom brzinom.<\/li>\n<li>Uklanja nebitnu sar\u017einu visokih frekvencija.<\/li>\n<li>Smanjuje zahtjeve obrade i skladi\u0161tenja podataka.<\/li>\n<\/ul>\n<h3>Priprema za Integraciju<\/h3>\n<ul>\n<li>Applied before <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/integration\/\">integrating<\/a> <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/acceleration\/\">acceleration<\/a> to <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/velocity\/\">velocity<\/a>.<\/li>\n<li>Uklanja veoma visoke frekvencije \u2014 \u0161um koji bi ina\u010de integracija poja\u010dala.<\/li>\n<li>Tipi\u010dna grani\u010dna frekvencija: 1000&ndash;5000 Hz ovisno o primjeni.<\/li>\n<li>Sprje\u010dava poja\u010davanje \u0161uma koja mu\u010di nekontroliranu integraciju.<\/li>\n<\/ul>\n<h2>3. Odabir Grani\u010dne Frekvencije<\/h2>\n<h3>Primjene Za\u0161tite od Aliasinga<\/h3>\n<ul>\n<li><strong>Rule:<\/strong> f<sub>c<\/sub> = 0,4 &times; brzina uzorkovanja (konzervativno) do 0,8 &times; brzina uzorkovanja (agresivno).<\/li>\n<li><strong>Example:<\/strong> brzina uzorkovanja od 10 kHz daje f<sub>c<\/sub> = 4000 Hz.<\/li>\n<li><strong>Criterion:<\/strong> slabljenje zaustavne trake ve\u0107e od 60 dB na Nyquistovoj frekvenciji.<\/li>\n<\/ul>\n<h3>Analiti\u010dke Primjene<\/h3>\n<ul>\n<li>Set f<sub>c<\/sub> malo iznad najve\u0107e frekvencije od interesa.<\/li>\n<li>Za analizu niskih frekvencija (0&ndash;200 Hz): f<sub>c<\/sub> = 200&ndash;300 Hz.<\/li>\n<li>For <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/unbalance\/\">unbalance<\/a> samo (komponenta 1&times;): f<sub>c<\/sub> = 5&ndash;10&times; <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/running-speed\/\">running speed<\/a>.<\/li>\n<li>Uvijek ostavi marginu za prelaznu traku filtera.<\/li>\n<\/ul>\n<h3>Smanjenje buke<\/h3>\n<ul>\n<li>Identificiraj raspon frekvencije \u0161uma iz spektra.<\/li>\n<li>Set f<sub>c<\/sub> da propusti\u0161 frekvencije signala dok odbacuje\u0161 frekvencije \u0161uma.<\/li>\n<li>Uravnote\u017eavaj smanjenje \u0161uma protiv \u010duvanja signala.<\/li>\n<\/ul>\n<h2>4. Efekti na mjerenja<\/h2>\n<h3>Domen amplitude<\/h3>\n<ul>\n<li><strong>Passband:<\/strong> minimalna promjena amplitude, tipi\u010dno manja od 0,5 dB.<\/li>\n<li><strong>Stopband:<\/strong> jaka atenuacija, 40&ndash;80 dB ili vi\u0161e.<\/li>\n<li><strong>Overall level:<\/strong> filter smanjuje ukupno \u010ditanje vibracije ako je bio prisutan zna\u010dajan sadr\u017eaj visokih frekvencija.<\/li>\n<\/ul>\n<h3>Time Domain<\/h3>\n<ul>\n<li>Valni oblik je umazan kako se visokefrekvencijske varijacije uklanjaju.<\/li>\n<li>O\u0161tre ivice i vrhovi su zaobljeni.<\/li>\n<li>Prelazni odgovor (filter zvonjavanja) mo\u017ee utjecati na oblik valnog oblika.<\/li>\n<li>Fazna distorzija mo\u017ee promijeniti kako se valni oblik interpretira.<\/li>\n<\/ul>\n<h3>Frekventni domen<\/h3>\n<ul>\n<li>Spektar pokazuje smanjene amplitude iznad granice propusnosti.<\/li>\n<li>Vrhovi visokih frekvencija su smanjeni ili eliminirani.<\/li>\n<li>Nivo buke je sni\u017een ako je buka bila visokefrekvencijska.<\/li>\n<\/ul>\n<h2>5. \u010cesti problemi i rje\u0161enja<\/h2>\n<h3>Neadekvatna anti-aliasing za\u0161tita<\/h3>\n<ul>\n<li><strong>Symptom:<\/strong> la\u017eni vrhovi niskih frekvencija u spektru.<\/li>\n<li><strong>Cause:<\/strong> visoke frekvencije se savijaju ispod Nyquistove frekvencije.<\/li>\n<li><strong>Rje\u0161enje:<\/strong> koristite strmiji filter, pove\u0107ajte brzinu uzorkovanja i provjerite da li filter zaista funkcionira.<\/li>\n<\/ul>\n<h3>Cutoff Too Low<\/h3>\n<ul>\n<li><strong>Symptom:<\/strong> validni signali visokih frekvencija se prigu\u0161uju.<\/li>\n<li><strong>Example:<\/strong> <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/bearing-fault-frequencies\/\">frekvencijama kvarova le\u017eajeva<\/a> smanjeno preagresivnim niskopropusnim filtrom.<\/li>\n<li><strong>Rje\u0161enje:<\/strong> pove\u0107ajte grani\u010dnu frekvenciju ili koristite blagi nagib filtera.<\/li>\n<\/ul>\n<h3>Artefakti Filtera<\/h3>\n<ul>\n<li><strong>Ringing:<\/strong> oscilacije u vremenskoj domeni uzrokovane o\u0161trom korigencijom filtera.<\/li>\n<li><strong>Distorzija faze:<\/strong> promjene oblika valanog oblika koje nastaju od faznih pomaka.<\/li>\n<li><strong>Rje\u0161enje:<\/strong> koristite Besselov filter za kriti\u010dne primjene valnih oblika gdje je fazna linearnost va\u017ena.<\/li>\n<\/ul>\n<h2>6. Komplementarni Filtri<\/h2>\n<h3>Niskopropusni vs. Visokopropusni<\/h3>\n<ul>\n<li><strong>Low-pass:<\/strong> propu\u0161ta niske frekvencije, blokira visoke.<\/li>\n<li><strong>High-pass:<\/strong> propu\u0161ta visoke frekvencije, blokira niske.<\/li>\n<li><strong>Complementary:<\/strong> koriste se zajedno da bi se formirao propusni opseg filtera.<\/li>\n<\/ul>\n<h3>Filter Propusnog Opsega<\/h3>\n<ul>\n<li>Kombinacija visokopropusnih plus niskopropusnih stadijuma.<\/li>\n<li>The resulting <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/band-pass-filter\/\">filtar propusnog pojasa<\/a> propu\u0161ta samo frekvencije unutar navedenog opsega.<\/li>\n<li>Odbija sadr\u017eaj i ispod i iznad tog opsega.<\/li>\n<li>Ovo je prednja strana <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/envelope-analysis\/\">analizan plasmana<\/a>, gdje se propusna banda oko strukturalne rezonancije le\u017eaja izoluje prije demodulacije.<\/li>\n<\/ul>\n<h2>7. Gdje se niskopropusni filter koristi na terenu<\/h2>\n<p>Na digitalnoj terenskoj opremi niskopropusni filter je uglavnom nevidljiv \u2014 on tiho obavlja anti-aliasing rad unutar lanca za prikupljanje \u2014 ali je temelj pouzdanosti svakog o\u010ditavanja. Prijenosni analizator sa dva kanala, poput <a href=\"https:\/\/vibromera.eu\/bs\/proizvod\/balanset-1\/\">Balanset-1A<\/a> ograni\u010dava propusnost svakog <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/accelerometer\/\">accelerometer<\/a> kanala prije uzorkovanja, tako da <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/fft\/\">FFT<\/a> koje se ra\u010dunaju za balansiranje i dijagnostiku, je oslobo\u0111ena od aliasiranih vrhova u cijelom rasponu rada. Kad je spektar \u010dist, analizator mo\u017ee razrije\u0161iti 1&times; <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/phase\/\">amplitudu i fazu<\/a> potrebnu za balansiranje rotora i izvje\u0161taj o pravoj <a href=\"https:\/\/vibromera.eu\/bs\/glossary\/residual-unbalance\/\">rezidualnu neuravnote\u017eenost<\/a>, umjesto da se juri za fantomskom frekvencijom nastalom lo\u0161om filtracijom.<\/p>\n<p>Niskopropusni filtri su fundamentalne komponente sistema za mjerenje vibracija, koje slu\u017ee bitnim funkcijama od anti-aliasing za\u0161tite do reduciranja buke i izbora frekventnog opsega. Razumijevanje njihova rada, ispravno odabiranje grani\u010dne frekvencije i procesiranje njene slike na mjerenom signalu su neophodni za to\u010dnu analizu i izbjegavanje mjernih artefakata u digitalnoj prikupljanju podataka.<\/p>\n<hr>\n<p><a href=\"https:\/\/vibromera.eu\/bs\/glossary\/\">\u2190 Povratak na glavnu stranicu<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Saznajte o niskofrekvencijskim filtrima u analizi vibracija, alatima obrade signala koji propu\u0161taju niske frekvencije dok blokiraju visoke frekvencije, neophodno za anti-aliasing i smanjenje buke.<\/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\/bs\/wp-json\/wp\/v2\/glossary\/158","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vibromera.eu\/bs\/wp-json\/wp\/v2\/glossary"}],"about":[{"href":"https:\/\/vibromera.eu\/bs\/wp-json\/wp\/v2\/types\/glossary"}],"version-history":[{"count":1,"href":"https:\/\/vibromera.eu\/bs\/wp-json\/wp\/v2\/glossary\/158\/revisions"}],"predecessor-version":[{"id":101341,"href":"https:\/\/vibromera.eu\/bs\/wp-json\/wp\/v2\/glossary\/158\/revisions\/101341"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/bs\/wp-json\/wp\/v2\/media?parent=158"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/bs\/wp-json\/wp\/v2\/categories?post=158"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/bs\/wp-json\/wp\/v2\/tags?post=158"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}