{"id":137,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/high-pass-filter\/"},"modified":"2026-07-03T10:04:05","modified_gmt":"2026-07-03T10:04:05","slug":"high-pass-filter","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/fi\/glossary\/high-pass-filter\/","title":{"rendered":"Mik\u00e4 on ylip\u00e4\u00e4st\u00f6suodin? Taajuuden valintaty\u00f6kalu"},"content":{"rendered":"<h1>Ylip\u00e4\u00e4st\u00f6suodattimien ymm\u00e4rt\u00e4minen<\/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\/fi\/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\/fi\/product\/balanset-1\/\" title=\"Kannettava tasapainotin ja t\u00e4rin\u00e4analysaattori 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 kannettava tasapainotin ja v\u00e4r\u00e4htelyanalysaattori, t\u00e4ydellinen sarja\" 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\/fi\/product-category\/devices\/\" rel=\"tag\">Laitteet<\/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\/fi\/product\/balanset-1\/\" title=\"Kannettava tasapainotin ja t\u00e4rin\u00e4analysaattori Balanset-1A\">Kannettava tasapainotin &#038; t\u00e4rin\u00e4analysaattori 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\">&euro;<\/span>1,975.00<\/span> + ALV (jos sovellettavissa)<\/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=\"\/fi\/wp-json\/wp\/v2\/glossary\/137?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=\"Lis\u00e4\u00e4 ostoskoriin\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Lis\u00e4\u00e4 ostoskoriin\" 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=\"\/fi\/wp-json\/wp\/v2\/glossary\/137?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=\"Lis\u00e4\u00e4 ostoskoriin: \u201cPortable balancer &amp; Vibration analyzer Balanset-1A\u201d\" rel=\"nofollow\" data-success_message=\"\u201cPortable balancer &amp; Vibration analyzer Balanset-1A\u201d on lis\u00e4tty ostoskoriin\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Lis\u00e4\u00e4 ostoskoriin<\/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\/fi\/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\/fi\/product\/vibration-sensor\/\" title=\"T\u00e4rin\u00e4anturi\">\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:n t\u00e4rin\u00e4anturin l\u00e4hikuva\" 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\/fi\/product-category\/parts\/\" rel=\"tag\">Osat<\/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\/fi\/product\/vibration-sensor\/\" title=\"T\u00e4rin\u00e4anturi\">T\u00e4rin\u00e4anturi<\/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\">&euro;<\/span>90.00<\/span> + ALV (jos sovellettavissa)<\/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=\"\/fi\/wp-json\/wp\/v2\/glossary\/137?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=\"Lis\u00e4\u00e4 ostoskoriin\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Lis\u00e4\u00e4 ostoskoriin\" 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=\"\/fi\/wp-json\/wp\/v2\/glossary\/137?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=\"Lis\u00e4\u00e4 ostoskoriin: \u201cVibration sensor\u201d\" rel=\"nofollow\" data-success_message=\"\u201cVibration sensor\u201d on lis\u00e4tty ostoskoriin\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Lis\u00e4\u00e4 ostoskoriin<\/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\/fi\/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\/fi\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Optinen anturi (lasertakometri)\">\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=\"Optinen anturi (lasertakometri)\" 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\/fi\/product-category\/parts\/\" rel=\"tag\">Osat<\/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\/fi\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Optinen anturi (lasertakometri)\">Optinen anturi (lasertakometri)<\/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\">&euro;<\/span>124.00<\/span> + ALV (jos sovellettavissa)<\/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=\"\/fi\/wp-json\/wp\/v2\/glossary\/137?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=\"Lis\u00e4\u00e4 ostoskoriin\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Lis\u00e4\u00e4 ostoskoriin\" 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=\"\/fi\/wp-json\/wp\/v2\/glossary\/137?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=\"Lis\u00e4\u00e4 ostoskoriin: \u201cOptical Sensor (Laser Tachometer)\u201d\" rel=\"nofollow\" data-success_message=\"\u201cOptical Sensor (Laser Tachometer)\u201d on lis\u00e4tty ostoskoriin\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Lis\u00e4\u00e4 ostoskoriin<\/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\/fi\/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\/fi\/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-roottorin tasapainotussarja: kantolaukku, monikanavainen signaalimuunnin, k\u00e4dess\u00e4 pidett\u00e4v\u00e4 analysaattori, magneettijalusta, t\u00e4rin\u00e4anturit ja kierretyt kaapelit.\" 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\/fi\/product-category\/devices\/\" rel=\"tag\">Laitteet<\/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\/fi\/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\">&euro;<\/span>6,803.00<\/span> + ALV (jos sovellettavissa)<\/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=\"\/fi\/wp-json\/wp\/v2\/glossary\/137?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=\"Lis\u00e4\u00e4 ostoskoriin\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Lis\u00e4\u00e4 ostoskoriin\" 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=\"\/fi\/wp-json\/wp\/v2\/glossary\/137?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=\"Lis\u00e4\u00e4 ostoskoriin: \u201cBalanset-4\u201d\" rel=\"nofollow\" data-success_message=\"\u201cBalanset-4\u201d on lis\u00e4tty ostoskoriin\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Lis\u00e4\u00e4 ostoskoriin<\/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\/fi\/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\/fi\/product\/magnet-stand\/\" title=\"Magneettinen jalusta 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=\"Magneettipohja.\" 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\/fi\/product-category\/parts\/\" rel=\"tag\">Osat<\/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\/fi\/product\/magnet-stand\/\" title=\"Magneettinen jalusta Insize-60-kgf\">Magneettinen jalusta 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\">&euro;<\/span>46.00<\/span> + ALV (jos sovellettavissa)<\/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=\"\/fi\/wp-json\/wp\/v2\/glossary\/137?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=\"Lis\u00e4\u00e4 ostoskoriin\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Lis\u00e4\u00e4 ostoskoriin\" 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=\"\/fi\/wp-json\/wp\/v2\/glossary\/137?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=\"Lis\u00e4\u00e4 ostoskoriin: \u201cMagnetic Stand Insize-60-kgf\u201d\" rel=\"nofollow\" data-success_message=\"\u201cMagnetic Stand Insize-60-kgf\u201d on lis\u00e4tty ostoskoriin\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Lis\u00e4\u00e4 ostoskoriin<\/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\/fi\/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\/fi\/product\/reflective-tape\/\" title=\"Heijastava nauha\">\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=\"Heijastava nauha\" 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\/fi\/product-category\/parts\/\" rel=\"tag\">Osat<\/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\/fi\/product\/reflective-tape\/\" title=\"Heijastava nauha\">Heijastava nauha<\/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\">&euro;<\/span>10.00<\/span> + ALV (jos sovellettavissa)<\/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=\"\/fi\/wp-json\/wp\/v2\/glossary\/137?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=\"Lis\u00e4\u00e4 ostoskoriin\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Lis\u00e4\u00e4 ostoskoriin\" 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=\"\/fi\/wp-json\/wp\/v2\/glossary\/137?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=\"Lis\u00e4\u00e4 ostoskoriin: \u201cReflective tape\u201d\" rel=\"nofollow\" data-success_message=\"\u201cReflective tape\u201d on lis\u00e4tty ostoskoriin\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Lis\u00e4\u00e4 ostoskoriin<\/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\/fi\/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\/fi\/product\/dynamic-balancer-balanset-1a\/\" title=\"Dynaaminen tasapainotin &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=\"Balanset-1A-pakkauksen sis\u00e4lt\u00f6, jossa on liit\u00e4nt\u00e4yksikk\u00f6, anturit, kierroslukumittari ja lis\u00e4varusteet\" 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\/fi\/product-category\/devices\/\" rel=\"tag\">Laitteet<\/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\/fi\/product\/dynamic-balancer-balanset-1a\/\" title=\"Dynaaminen tasapainotin &quot;Balanset-1A&quot; OEM\">Dynaaminen tasapainotin \"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\">&euro;<\/span>1,735.00<\/span> + ALV (jos sovellettavissa)<\/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=\"\/fi\/wp-json\/wp\/v2\/glossary\/137?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=\"Lis\u00e4\u00e4 ostoskoriin\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Lis\u00e4\u00e4 ostoskoriin\" 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=\"\/fi\/wp-json\/wp\/v2\/glossary\/137?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=\"Lis\u00e4\u00e4 ostoskoriin: \u201cDynamic balancer \u201cBalanset-1A\u201d OEM\u201d\" rel=\"nofollow\" data-success_message=\"\u201cDynamic balancer \u201cBalanset-1A\u201d OEM\u201d on lis\u00e4tty ostoskoriin\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Lis\u00e4\u00e4 ostoskoriin<\/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>ylip\u00e4\u00e4st\u00f6suodatin<\/strong> (HPF) on taajuusselektiivinen signaalink\u00e4sittelyelementti, joka mahdollistaa <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/vibration\/\">t\u00e4rin\u00e4<\/a> m\u00e4\u00e4ritetyn rajataajuuden yl\u00e4puolella olevat komponentit p\u00e4\u00e4sev\u00e4t l\u00e4pi, kun taas rajataajuuden alapuolella olevat komponentit vaimenevat. Osoitteessa <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/vibration-analysis\/\">v\u00e4r\u00e4htelyanalyysi<\/a>, korkeap\u00e4\u00e4st\u00f6suodattimet poistavat matalien taajuuksien v\u00e4r\u00e4htelyt (alkaen <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/unbalance\/\">ep\u00e4tasapaino<\/a> ja <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/misalignment\/\">ep\u00e4kohdistus<\/a>), jotta analyytikko voi keskitty\u00e4 korkean taajuuden sis\u00e4lt\u00f6\u00f6n (alkaen <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/bearing-defects\/\">laakeriviat<\/a>, <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/gear-mesh-frequency\/\">hammasv\u00e4litys<\/a>, ja s\u00e4hk\u00f6iset l\u00e4hteet), ja ne poistavat DC-offsetit sek\u00e4 matalataajuisen ajautumisen. Se on peilikuva <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/low-pass-filter\/\">alip\u00e4\u00e4st\u00f6suodatin<\/a>.<\/p>\n<p>Korkeap\u00e4\u00e4st\u00f6suodattimet ovat olennaisen t\u00e4rkeit\u00e4 <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/envelope-analysis\/\">verhok\u00e4yr\u00e4analyysi<\/a> and general <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/signal-filtering\/\">signaalin suodatus<\/a> (anti-aliasing puolestaan on alip\u00e4\u00e4st\u00f6toiminto, joka tehd\u00e4\u00e4n ennen digitointia), mik\u00e4 mahdollistaa diagnostisen tiedon erottamisen valitulta taajuusalueelta samalla kun ei-toivotut matalataajuiset komponentit hyl\u00e4t\u00e4\u00e4n, koska ne muuten peitt\u00e4isiv\u00e4t tai hallitsisivat kiinnostavia signaaleja.<\/p>\n<h2>1. Suodattimen ominaisuudet<\/h2>\n<p>Kolme parametria m\u00e4\u00e4ritt\u00e4v\u00e4t, miten mik\u00e4 tahansa korkeap\u00e4\u00e4st\u00f6suodatin k\u00e4ytt\u00e4ytyy: sen katkaisutaajuus, kaltevuus ja sen perustana oleva rakennetyyppi.<\/p>\n<ul>\n<li><strong>Katkaisutaajuus (f<sub>c<\/sub>):<\/strong> taajuus, jolla suodattimen vaste laskee -3 dB:iin (70,7% l\u00e4p\u00e4isykaistan amplitudista). Alle f<sub>c<\/sub> taajuudet vaimenevat asteittain; yli f<sub>c<\/sub> ne kulkevat l\u00e4pi minimaalisilla tappioilla. Katkaisuarvo valitaan sovelluksen ja kiinnostavan taajuussis\u00e4ll\u00f6n mukaan.<\/li>\n<li><strong>Suodattimen kaltevuus (roll-off rate):<\/strong> vaimenemisnopeus raja-arvon alapuolella, ilmaistuna dB:n\u00e4 oktaavia kohti tai dB:n\u00e4 dekadia kohti. A <strong>1. j\u00e4rjestys<\/strong> suodatin laskee 6 dB\/oktaavia (20 dB\/dekadia) \u2014 loiva kaltevuus; <strong>2. asteen<\/strong> 12 dB\/oktaavia (40 dB\/dekadia) \u2014 kohtalainen; <strong>4. asteen<\/strong> 24 dB\/oktaavi (80 dB\/dekadi) - jyrkk\u00e4. Suuremmat j\u00e4rjestykset antavat jyrkemm\u00e4n siirtym\u00e4n ja paremman hylk\u00e4yksen, mutta ovat monimutkaisempia toteuttaa.<\/li>\n<\/ul>\n<p>Suodatin <strong>tyyppi<\/strong> m\u00e4\u00e4ritt\u00e4\u00e4 ter\u00e4vyyden ja uskollisuuden v\u00e4lisen kompromissin:<\/p>\n<ul>\n<li><strong>Butterworth:<\/strong> mahdollisimman tasainen l\u00e4p\u00e4isykaistan vaste.<\/li>\n<li><strong>T\u0161eby\u0161ev:<\/strong> ter\u00e4v\u00e4mpi katkaisu, mutta aaltoilu l\u00e4p\u00e4isykaistalla.<\/li>\n<li><strong>Bessel:<\/strong> paras aika-aluek\u00e4ytt\u00e4ytyminen, jossa on minimaalinen <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/phase\/\">vaihe<\/a> v\u00e4\u00e4ristym\u00e4.<\/li>\n<li><strong>Elliptinen:<\/strong> kaikista ter\u00e4vin siirtym\u00e4, mutta siin\u00e4 on aaltoilua sek\u00e4 l\u00e4p\u00e4isy- ett\u00e4 sulkukaistassa.<\/li>\n<\/ul>\n<h2>2. Sovellukset t\u00e4rin\u00e4analyysiss\u00e4<\/h2>\n<h3>Laakerivian havaitseminen<\/h3>\n<p>T\u00e4m\u00e4 on yleisin sovellus. Tyypillisesti 500-2000 Hz:n katkaisu poistaa matalataajuisen ep\u00e4tasapainon ja suuntausvirheiden v\u00e4r\u00e4htelyn, jolloin j\u00e4ljelle j\u00e4\u00e4v\u00e4t laakerivaurion aiheuttamat korkeataajuiset iskusignaalit. Se on ensimm\u00e4inen vaihe kuorianalyysik\u00e4sittelyss\u00e4, jossa n\u00e4m\u00e4 iskut demoduloidaan ja saadaan selville <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/bearing-fault-frequencies\/\">laakerivikataajuudet<\/a>.<\/p>\n<h3>Integrointi nopeuteen tai siirtym\u00e4\u00e4n<\/h3>\n<p>Kun <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/integration\/\">integrointi<\/a> <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/acceleration\/\">kiihtyvyys<\/a> ett\u00e4 <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/velocity\/\">nopeus<\/a> tai <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/displacement\/\">siirtym\u00e4<\/a>, 2-10 Hz:n HPF poistaa DC-offsetin ja hyvin matalat taajuudet, jotka muutoin muodostaisivat suuria ajovirheit\u00e4. T\u00e4m\u00e4 vaihe on v\u00e4ltt\u00e4m\u00e4t\u00f6n tarkan matalien taajuuksien integroinnin kannalta.<\/p>\n<h3>Anturin kiinnityksen resonanssi \u2014 kaistanrajoitusteht\u00e4v\u00e4<\/h3>\n<p>An <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/accelerometer\/\">kiihtyvyysanturi<\/a> kiinnityksen resonanssi \u2014 tyypillisesti 3\u201310 kHz magneettikiinnityksell\u00e4 \u2014 voi v\u00e4\u00e4rist\u00e4\u00e4 lukemia. Koska t\u00e4m\u00e4 artefakti sijaitsee korkealla taajuudella, ylip\u00e4\u00e4st\u00f6suodatin ei poista sit\u00e4: sit\u00e4 vaimennetaan rajoittamalla yl\u00e4taajuusaluetta alip\u00e4\u00e4st\u00f6- (kaistanrajoitus-) suodattimella, tai se v\u00e4ltet\u00e4\u00e4n pit\u00e4m\u00e4ll\u00e4 analyysikaista resonanssin alapuolella. Verhok\u00e4yr\u00e4analyysiss\u00e4 resonanssialuetta voidaan jopa k\u00e4ytt\u00e4\u00e4 tarkoituksella demodulaation kantoaaltoalueena. \u00c4\u00e4ni <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/mounting\/\">anturin kiinnitys<\/a> k\u00e4yt\u00e4nt\u00f6 t\u00e4ydent\u00e4\u00e4 suodatusta.<\/p>\n<h3>DC-offsetin poisto<\/h3>\n<p>Korkeap\u00e4\u00e4st\u00f6suodatin, jossa on hyvin matala rajaus (0,5-2 Hz), poistaa signaalin DC-komponentin. T\u00e4m\u00e4 on v\u00e4ltt\u00e4m\u00e4t\u00f6nt\u00e4 signaalin asianmukaisen k\u00e4sittelyn kannalta, sill\u00e4 se est\u00e4\u00e4 <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/fft\/\">FFT<\/a> virheet ja integraatiovirheet.<\/p>\n<h2>3. K\u00e4yt\u00e4nn\u00f6n toteutus<\/h2>\n<h3>Analogiset ja digitaaliset suodattimet<\/h3>\n<p><strong>Analogiset korkeap\u00e4\u00e4st\u00f6suodattimet<\/strong> ovat laitteistopiirej\u00e4 signaalink\u00e4sittelyketjun sis\u00e4ll\u00e4. Ne toimivat reaaliajassa osana anturisignaalin k\u00e4sittely\u00e4 (niihin liittyv\u00e4 anti-aliasing-vaihe on alip\u00e4\u00e4st\u00f6suodatin), ja niiden ominaisuudet ovat suunnittelun j\u00e4lkeen kiinte\u00e4t. <strong>Digitaaliset korkeap\u00e4\u00e4st\u00f6suodattimet<\/strong> ovat ohjelmistopohjaisia ja niit\u00e4 k\u00e4ytet\u00e4\u00e4n j\u00e4lkik\u00e4sittelyss\u00e4; niiden rajaus ja j\u00e4rjestys ovat s\u00e4\u00e4dett\u00e4viss\u00e4, ja niit\u00e4 voidaan k\u00e4ytt\u00e4\u00e4 tai poistaa tietojen ker\u00e4\u00e4misen j\u00e4lkeen. Nykyaikaisissa analysaattoreissa on useita digitaalisia suodatinvaihtoehtoja, joten samaa tietuetta voidaan tutkia usealla eri tavalla.<\/p>\n<h3>Katkaisutaajuuden valitseminen<\/h3>\n<p>Sill\u00e4 <strong>laakerianalyysi<\/strong>, aseta f<sub>c<\/sub> well above the rotor-related components \u2014 typically a 500\u20131000 Hz cutoff. This removes 1\u00d7, 2\u00d7 and other low-frequency machine components and passes the high-frequency structural-resonance region excited by bearing impacts. Note that the bearing fault repetition frequencies themselves (typically 50\u2013500 Hz) lie below such a cutoff: they are recovered afterwards in the envelope spectrum by demodulating the high-frequency signal, not passed directly through the filter. For <strong>integrointi<\/strong>, aseta f<sub>c<\/sub> 2-5-kertainen pienimp\u00e4\u00e4n kiinnostavaan taajuuteen n\u00e4hden: liian matala taajuus sallii ajautumisen, liian korkea heikent\u00e4\u00e4 kelvollisia matalataajuisia komponentteja, ja 2-10 Hz on tyypillinen yleisess\u00e4 integroinnissa.<\/p>\n<h2>4. Vaikutukset mittauksiin<\/h2>\n<p>Korkeap\u00e4\u00e4st\u00f6suodatin muuttaa signaalia kolmella tavalla, jotka analyytikon on pidett\u00e4v\u00e4 mieless\u00e4:<\/p>\n<ul>\n<li><strong>Amplitudivaikutukset:<\/strong> raja-arvon alapuolella olevat taajuudet v\u00e4henev\u00e4t, hyvin matalat taajuudet h\u00e4vi\u00e4v\u00e4t olennaisesti ja raja-arvon yl\u00e4puolella olevat taajuudet j\u00e4\u00e4v\u00e4t koskemattomiksi; siirtym\u00e4alueella n\u00e4kyy pikemminkin asteittainen v\u00e4heneminen kuin kova reuna.<\/li>\n<li><strong>Vaiheen vaikutukset:<\/strong> kaikki suodattimet aiheuttavat taajuudesta riippuvan <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/phase\/\">vaihe<\/a> siirtym\u00e4, joka voi muuttaa aikatason aaltomuodon muotoa. Besselin suodattimet minimoivat t\u00e4m\u00e4n vaihev\u00e4\u00e4ristym\u00e4n, mill\u00e4 on merkityst\u00e4, kun aaltomuodon ajoitusta tulkitaan.<\/li>\n<li><strong>Aaltomuotoefektit:<\/strong> Suodatin poistaa matalataajuiset perusvaihtelut ja keskitt\u00e4\u00e4 <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/time-waveform\/\">aika-aaltomuoto<\/a> nollan tienoilla, mik\u00e4 voi muuttaa sen n\u00e4enn\u00e4ist\u00e4 luonnetta. Siksi aaltomuotoa tulkittaessa on t\u00e4rke\u00e4\u00e4 tiet\u00e4\u00e4, mit\u00e4 suodatusta on k\u00e4ytetty.<\/li>\n<\/ul>\n<h2>5. Korkeap\u00e4\u00e4st\u00f6suodattimien yhdist\u00e4minen muihin suodattimiin<\/h2>\n<p>Korkeap\u00e4\u00e4st\u00f6suodattimet toimivat harvoin yksin\u00e4\u00e4n. Korkeap\u00e4\u00e4st\u00f6n ja alip\u00e4\u00e4st\u00f6n yhdist\u00e4minen tuottaa <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/band-pass-filter\/\">kaistanp\u00e4\u00e4st\u00f6suodatin<\/a>: HPF est\u00e4\u00e4 matalat taajuudet, LPF est\u00e4\u00e4 korkeat taajuudet, ja yhdistelm\u00e4 l\u00e4p\u00e4isee vain keskimm\u00e4isen kaistan - juuri se selektiivisyys, jota tarvitaan tietyn taajuusalueen erist\u00e4miseen. T\u00e4ydellisess\u00e4 <strong>monivaiheinen k\u00e4sittely<\/strong> ketjussa ennen digitointia k\u00e4ytet\u00e4\u00e4n antialiasointia (alip\u00e4\u00e4st\u00f6), korkeap\u00e4\u00e4st\u00f6 poistaa DC:n ja kaistanp\u00e4\u00e4st\u00f6 valmistelee signaalin kuorikerrosanalyysia varten; t\u00e4m\u00e4 per\u00e4kk\u00e4inen suodatus muodostaa yksinkertaisista vaiheista monimutkaisen signaalink\u00e4sittelyn. Jos yksitt\u00e4inen kapea komponentti on sen sijaan hyl\u00e4tt\u00e4v\u00e4, voidaan k\u00e4ytt\u00e4\u00e4 <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/notch-filter\/\">lovisuodatin<\/a> on t\u00e4ydent\u00e4v\u00e4 v\u00e4line.<\/p>\n<h2>6. Korkeap\u00e4\u00e4st\u00f6suodatus kentt\u00e4mittauksissa<\/h2>\n<p>P\u00e4ivitt\u00e4isess\u00e4 kentt\u00e4ty\u00f6ss\u00e4 oikeanlainen korkeap\u00e4\u00e4st\u00f6asetus on se, joka tekee heikosta laakerivirheest\u00e4 n\u00e4kyv\u00e4\u00e4 roottorin hallitsevan v\u00e4r\u00e4htelyn alla. Kannettava kaksikanavainen analysaattori, kuten esimerkiksi <a href=\"https:\/\/vibromera.eu\/fi\/tuote\/balanset-1\/\">Balanset-1A<\/a> mittaa laajakaistasignaalin, jota tarvitaan sek\u00e4 tasapainotukseen ett\u00e4 diagnostiikkaan, ja k\u00e4ytt\u00e4m\u00e4ll\u00e4 korkeap\u00e4\u00e4st\u00f6vaihetta ennen verhok\u00e4yr\u00e4analyysi\u00e4 insin\u00f6\u00f6ri voi erottaa varhaisen laakerivian <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/bearing-defects\/\">laakeriviat<\/a> samassa koneessa olevasta suuresta 1\u00d7 ep\u00e4tasapainovasteesta. Ylip\u00e4\u00e4st\u00f6ominaisuuksien \u2014 rajataajuuden, suodattimen kertaluvun sek\u00e4 amplitudiin ja vaiheeseen kohdistuvien vaikutusten \u2014 ymm\u00e4rt\u00e4minen on n\u00e4in ollen olennaisen t\u00e4rke\u00e4\u00e4 luotettavan laakerianalyysin, tarkan signaalin integroinnin ja kaikkien sellaisten teht\u00e4vien kannalta, jotka edellytt\u00e4v\u00e4t taajuusvalikoivaa mittausta.<\/p>\n<hr>\n<p><a href=\"https:\/\/vibromera.eu\/fi\/glossary\/\">\u2190 Takaisin p\u00e4\u00e4hakemistoon<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Opi v\u00e4r\u00e4htelyanalyysin ylip\u00e4\u00e4st\u00f6suodattimista, signaalink\u00e4sittelyty\u00f6kaluista, jotka p\u00e4\u00e4st\u00e4v\u00e4t l\u00e4pi raja-arvon ylitt\u00e4v\u00e4t taajuudet ja est\u00e4v\u00e4t matalat taajuudet, mik\u00e4 on olennaista laakerivikojen havaitsemisessa.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[114,109],"tags":[],"class_list":["post-137","glossary","type-glossary","status-publish","hentry","category-analysis","category-glossary"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/fi\/wp-json\/wp\/v2\/glossary\/137","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vibromera.eu\/fi\/wp-json\/wp\/v2\/glossary"}],"about":[{"href":"https:\/\/vibromera.eu\/fi\/wp-json\/wp\/v2\/types\/glossary"}],"version-history":[{"count":2,"href":"https:\/\/vibromera.eu\/fi\/wp-json\/wp\/v2\/glossary\/137\/revisions"}],"predecessor-version":[{"id":102174,"href":"https:\/\/vibromera.eu\/fi\/wp-json\/wp\/v2\/glossary\/137\/revisions\/102174"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/fi\/wp-json\/wp\/v2\/media?parent=137"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/fi\/wp-json\/wp\/v2\/categories?post=137"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/fi\/wp-json\/wp\/v2\/tags?post=137"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}