{"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\/lt\/glossary\/low-pass-filter\/","title":{"rendered":"Kas yra \u017eem\u0173j\u0173 da\u017eni\u0173 filtras? Anti-aliasing ir glotninimas"},"content":{"rendered":"<h1>\u017demo da\u017enio filtr\u0173 supratimas<\/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\/lt\/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\/lt\/product\/balanset-1\/\" title=\"Ne\u0161iojamas balansavimo \u012frenginys ir vibracijos analizatorius 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 pilno komplekto ne\u0161iojamas balansavimo \u012frenginys ir vibracijos analizatorius\" 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\/lt\/product-category\/devices\/\" rel=\"tag\">\u012erenginiai<\/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\/lt\/product\/balanset-1\/\" title=\"Ne\u0161iojamas balansavimo \u012frenginys ir vibracijos analizatorius Balanset-1A\">Ne\u0161iojamas balansavimo \u012frenginys ir vibracijos analizatorius 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> + PVM (jei taikoma)<\/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=\"\/lt\/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=\"\u012e krep\u0161el\u012f\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"\u012e krep\u0161el\u012f\" 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=\"\/lt\/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=\"\">\u012e krep\u0161el\u012f<\/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\/lt\/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\/lt\/product\/vibration-sensor\/\" title=\"Vibracijos jutiklis\">\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=\"&quot;Balanset-1A&quot; vibracijos jutiklis stambiu planu\" 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\/lt\/product-category\/parts\/\" rel=\"tag\">Dalys<\/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\/lt\/product\/vibration-sensor\/\" title=\"Vibracijos jutiklis\">Vibracijos jutiklis<\/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> + PVM (jei taikoma)<\/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=\"\/lt\/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=\"\u012e krep\u0161el\u012f\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"\u012e krep\u0161el\u012f\" 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=\"\/lt\/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=\"\">\u012e krep\u0161el\u012f<\/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\/lt\/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\/lt\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Optinis jutiklis (lazerinis tachometras)\">\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=\"Optinis jutiklis (lazerinis tachometras)\" 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\/lt\/product-category\/parts\/\" rel=\"tag\">Dalys<\/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\/lt\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Optinis jutiklis (lazerinis tachometras)\">Optinis jutiklis (lazerinis tachometras)<\/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> + PVM (jei taikoma)<\/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=\"\/lt\/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=\"\u012e krep\u0161el\u012f\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"\u012e krep\u0161el\u012f\" 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=\"\/lt\/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=\"\">\u012e krep\u0161el\u012f<\/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\/lt\/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\/lt\/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 rotoriaus balansavimo rinkinys: ne\u0161iojimo d\u0117klas, daugiakanalis signalo kondicionierius, rankinis analizatorius, magnetinis pagrindas, vibracijos jutikliai ir susukti kabeliai.\" 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\/lt\/product-category\/devices\/\" rel=\"tag\">\u012erenginiai<\/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\/lt\/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> + PVM (jei taikoma)<\/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=\"\/lt\/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=\"\u012e krep\u0161el\u012f\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"\u012e krep\u0161el\u012f\" 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=\"\/lt\/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=\"\">\u012e krep\u0161el\u012f<\/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\/lt\/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\/lt\/product\/magnet-stand\/\" title=\"Magnetinis stovas 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=\"Magneto pagrindas.\" 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\/lt\/product-category\/parts\/\" rel=\"tag\">Dalys<\/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\/lt\/product\/magnet-stand\/\" title=\"Magnetinis stovas Insize-60-kgf\">Magnetinis stovas 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> + PVM (jei taikoma)<\/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=\"\/lt\/wp-json\/wp\/v2\/glossary\/158?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=\"\u012e krep\u0161el\u012f\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"\u012e krep\u0161el\u012f\" 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=\"\/lt\/wp-json\/wp\/v2\/glossary\/158?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=\"Add to cart: \u201cMagnetic Stand Insize-60-kgf\u201d\" rel=\"nofollow\" data-success_message=\"\u201cMagnetic Stand Insize-60-kgf\u201d has been added to your cart\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">\u012e krep\u0161el\u012f<\/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\/lt\/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\/lt\/product\/reflective-tape\/\" title=\"Atspindinti juosta\">\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=\"Atspindinti juosta\" 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\/lt\/product-category\/parts\/\" rel=\"tag\">Dalys<\/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\/lt\/product\/reflective-tape\/\" title=\"Atspindinti juosta\">Atspindinti juosta<\/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> + PVM (jei taikoma)<\/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=\"\/lt\/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=\"\u012e krep\u0161el\u012f\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"\u012e krep\u0161el\u012f\" 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=\"\/lt\/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=\"Add to cart: \u201cReflective tape\u201d\" rel=\"nofollow\" data-success_message=\"\u201cReflective tape\u201d has been added to your cart\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">\u012e krep\u0161el\u012f<\/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\/lt\/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\/lt\/product\/dynamic-balancer-balanset-1a\/\" title=\"Dinaminis balansavimo \u012frenginys &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=\"&quot;Balanset-1A&quot; rinkinio turinys su s\u0105sajos bloku, jutikliais, tachometru ir priedais\" 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\/lt\/product-category\/devices\/\" rel=\"tag\">\u012erenginiai<\/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\/lt\/product\/dynamic-balancer-balanset-1a\/\" title=\"Dinaminis balansavimo \u012frenginys &quot;Balanset-1A&quot; OEM\">Dinaminis balansavimo \u012frenginys \"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> + PVM (jei taikoma)<\/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=\"\/lt\/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=\"\u012e krep\u0161el\u012f\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"\u012e krep\u0161el\u012f\" 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=\"\/lt\/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=\"\">\u012e krep\u0161el\u012f<\/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>\u017eem\u0173j\u0173 da\u017eni\u0173 filtras<\/strong> (LPF) yra da\u017enio selektyvus signal\u0173 apdorojimo elementas, leid\u017eiantis <a href=\"https:\/\/vibromera.eu\/lt\/glossary\/vibration\/\">vibracija<\/a> komponentai, kuri\u0173 da\u017enis ma\u017eesnis u\u017e pasirinkt\u0105 ribin\u012f da\u017en\u012f, praleid\u017eiami, o komponentai, kuri\u0173 da\u017enis didesnis u\u017e j\u012f, slopinami. <a href=\"https:\/\/vibromera.eu\/lt\/glossary\/vibration-analysis\/\">vibracijos analiz\u0117<\/a> jis atlieka tris u\u017eduotis, be kuri\u0173 analizatorius negali apsieiti: i\u0161lyginim\u0105 (u\u017ekertant keli\u0105 netikr\u0173 da\u017eni\u0173 atsiradimui skaitmeniniuose duomenyse), triuk\u0161mo ma\u017einim\u0105 ir \u017eemo da\u017enio srities izoliavim\u0105, kad b\u016bt\u0173 galima j\u0105 i\u0161samiai i\u0161tirti. Tai yra veidrodinis atspindys <a href=\"https:\/\/vibromera.eu\/lt\/glossary\/high-pass-filter\/\">auk\u0161to da\u017enio filtras<\/a>, o \u0161ie du elementai yra vis\u0173 kit\u0173 pagrindas <a href=\"https:\/\/vibromera.eu\/lt\/glossary\/signal-filtering\/\">signalo filtravimas<\/a> scheme.<\/p>\n<p>\u017dem\u0173 da\u017eni\u0173 filtrai, be abejon\u0117s, yra pla\u010diausiai naudojami filtrai vibracijos matavimo prietaisuose. Kiekvienoje skaitmeninimo sistemoje vienas i\u0161 j\u0173 yra \u012fmontuotas prie\u0161 keitikl\u012f kaip privalomasis prie\u0161aliasingo filtras, o ta pati funkcija atliekama ir kaip analiz\u0117s priemon\u0117, skirta duomenims i\u0161lyginti, pa\u0161alinti auk\u0161to da\u017enio triuk\u0161m\u0105 ir sutelkti d\u0117mes\u012f \u012f \u017eemo da\u017enio rei\u0161kinius. Tod\u0117l norint pasitik\u0117ti bet kokiais rezultatais, b\u016btina suprasti, kaip jie formuoja signal\u0105 <a href=\"https:\/\/vibromera.eu\/lt\/glossary\/spectrum\/\">spektras<\/a> you read.<\/p>\n<h2>1. Filtro charakteristikos<\/h2>\n<h3>Ribinis da\u017enis (f<sub>c<\/sub>)<\/h3>\n<ul>\n<li><strong>Apibr\u0117\u017eimas:<\/strong> da\u017enis, kuriuo filtro atsakas suma\u017e\u0117ja iki \u22123 dB, t. y. 70,7 % praleid\u017eiamojo juostos plo\u010dio amplitud\u0117s.<\/li>\n<li><strong>Below f<sub>c<\/sub> (passband):<\/strong> da\u017eniai praeina su minimaliu silpninimu.<\/li>\n<li><strong>Above f<sub>c<\/sub> (stopband):<\/strong> da\u017eniai palaipsniui silpn\u0117ja.<\/li>\n<li><strong>Pereinamoji juosta:<\/strong> regionas aplink f<sub>c<\/sub> kur slopinimas nuolat did\u0117ja.<\/li>\n<\/ul>\n<h3>Filtr\u0173 tvarka ir pa\u0161alinimas<\/h3>\n<p>Filtro eil\u0117s numeris nustato, kaip staigiai jis pereina i\u0161 praleid\u017eiamojo da\u017eni\u0173 juostos \u012f stabdymo da\u017eni\u0173 juost\u0105:<\/p>\n<ul>\n<li><strong>1st order:<\/strong> 6 dB\/oktava (20 dB\/dekada) \u2014 laipsni\u0161kas da\u017enio silpn\u0117jimas.<\/li>\n<li><strong>2nd order:<\/strong> 12 dB\/oktava (40 dB\/dekada) \u2014 vidutinis.<\/li>\n<li><strong>4th order:<\/strong> 24 dB\/oktava (80 dB\/dekada) \u2014 staigus.<\/li>\n<li><strong>8th order:<\/strong> 48 dB\/oktava (160 dB\/dekada) \u2014 labai staigus.<\/li>\n<li><strong>Auk\u0161tesn\u0117 eil\u0117:<\/strong> ai\u0161kesnis per\u0117jimas ir geresnis slopinimas u\u017e rib\u0173, ta\u010diau tai pasiekiama didesnio faz\u0117s poslinkio ir ilgesnio pereinamojo atsako s\u0105skaita.<\/li>\n<\/ul>\n<h3>Filtro atsakym\u0173 tipai<\/h3>\n<p>T\u0105 pat\u012f ribin\u012f da\u017en\u012f ir sek\u0105 galima gauti naudojant \u012fvairias matematin\u0117s formos funkcijas, kurios skiriasi lygumu, staigumu ir faz\u0117s elgsena:<\/p>\n<ul>\n<li><strong>Butterworthas:<\/strong> kuo lygesnis praleid\u017eiamasis da\u017eni\u0173 juostos atsakas be svyravim\u0173.<\/li>\n<li><strong>\u010ceby\u0161evas:<\/strong> grie\u017etesnis ribinis da\u017enis, leid\u017eiantis pulsacijas praleid\u017eiamajame juoste.<\/li>\n<li><strong>Beselis:<\/strong> linijin\u0117 faz\u0117, o tai rei\u0161kia minimal\u0173 signalo i\u0161kraipym\u0105 \u2014 tinkamas pasirinkimas, kai signalo forma <a href=\"https:\/\/vibromera.eu\/lt\/glossary\/time-waveform\/\">laiko bangos forma<\/a> matters.<\/li>\n<li><strong>Elipsinis:<\/strong> kuo staigesnis per\u0117jimas, su pulsacijomis tiek praleid\u017eiamajame, tiek stabdymo juostose.<\/li>\n<\/ul>\n<h2>2. Pagrindin\u0117s taikymo sritys<\/h2>\n<h3>I\u0161lyginimas (svarbiausias)<\/h3>\n<p>Tai funkcija, kurios negali praleisti n\u0117 vienas skaitytuvas. Be jos da\u017eniai, vir\u0161ijantys Nyquisto rib\u0105, susilanksto atgal ir pasirodo kaip klaidingi smail\u0117s \u2013 tai rei\u0161kinys, vadinamas <a href=\"https:\/\/vibromera.eu\/lt\/glossary\/aliasing\/\">Aliasingas<\/a>.<\/p>\n<ul>\n<li><strong>Paskirtis:<\/strong> blokuoti da\u017enius, vir\u0161ijan\u010dius Nyquisto da\u017en\u012f (pus\u0119 diskretizacijos da\u017enio).<\/li>\n<li><strong>Reikalavimas:<\/strong> it must act <em>prie\u0161<\/em> analoginio signalo keitimas \u012f skaitmenin\u012f \u2014 programin\u0117 \u012franga negali pa\u0161alinti aliaso jau po to, kai jis atsirado.<\/li>\n<li><strong>Tipin\u0117 riba:<\/strong> 0,4\u20130,8 \u00d7 (diskretizacijos da\u017enis \/ 2).<\/li>\n<li><strong>Statumas:<\/strong> Paprastai 8-os eil\u0117s ar auk\u0161tesn\u0117, kad b\u016bt\u0173 u\u017etikrintas geras aliasing&#039;o slopinimas<\/li>\n<li><strong>Neatsi\u017evelgimo pasekm\u0117s:<\/strong> Netinkamas i\u0161lyginimas sukuria klaidingus spektrinius smailius, kurie imituoja tikrus trikd\u017eius.<\/li>\n<\/ul>\n<h3>Triuk\u0161mo ma\u017einimas<\/h3>\n<ul>\n<li>Pa\u0161alina auk\u0161to da\u017enio elektrinius trukd\u017eius.<\/li>\n<li>Pa\u0161alina jutiklio kabelio triuk\u0161m\u0105.<\/li>\n<li>I\u0161lygina duomenis <a href=\"https:\/\/vibromera.eu\/lt\/glossary\/trending\/\">tendencijos<\/a>.<\/li>\n<li>Pagerina tiriam\u0173 \u017eemo da\u017enio komponent\u0173 signalo ir triuk\u0161mo santyk\u012f.<\/li>\n<\/ul>\n<h3>Da\u017eni\u0173 diapazono apribojimas<\/h3>\n<ul>\n<li>Analiz\u0117 sutelkiama \u012f dominan\u010di\u0105 da\u017eni\u0173 srit\u012f.<\/li>\n<li>Pavyzdys: 0\u2013100 Hz da\u017eni\u0173 analiz\u0117 ma\u017eos greit\u0117s ma\u0161inoms.<\/li>\n<li>Pa\u0161alina nereikaling\u0105 auk\u0161to da\u017enio signal\u0105.<\/li>\n<li>Suma\u017eina duomen\u0173 apdorojimo ir saugojimo poreikius.<\/li>\n<\/ul>\n<h3>Pasirengimas integracijai<\/h3>\n<ul>\n<li>Applied before <a href=\"https:\/\/vibromera.eu\/lt\/glossary\/integration\/\">integrating<\/a> <a href=\"https:\/\/vibromera.eu\/lt\/glossary\/acceleration\/\">pagreitis<\/a> \u012f <a href=\"https:\/\/vibromera.eu\/lt\/glossary\/velocity\/\">greitis<\/a>.<\/li>\n<li>Pa\u0161alina labai auk\u0161tus da\u017enius \u2013 triuk\u0161m\u0105, kur\u012f integravimas kitaip sustiprint\u0173.<\/li>\n<li>Tipinis ribinis da\u017enis: 1000\u20135000 Hz, priklausomai nuo naudojimo paskirties.<\/li>\n<li>U\u017ekerta keli\u0105 triuk\u0161mo sustipr\u0117jimui, kuris kyla d\u0117l nekontroliuojamos integracijos.<\/li>\n<\/ul>\n<h2>3. Ribinio da\u017enio parinkimas<\/h2>\n<h3>Antialiasing programos<\/h3>\n<ul>\n<li><strong>Taisykl\u0117:<\/strong> f<sub>c<\/sub> = nuo 0,4 \u00d7 diskretizacijos da\u017enio (konservatyvus) iki 0,8 \u00d7 diskretizacijos da\u017enio (agresyvus).<\/li>\n<li><strong>Pavyzdys:<\/strong> 10 kHz diskretizacijos da\u017enis suteikia f<sub>c<\/sub> = 4000 Hz.<\/li>\n<li><strong>Kriterijus:<\/strong> slopinimas u\u017eslenkimo juostoje, didesnis nei 60 dB, esant Nyquisto da\u017eniui.<\/li>\n<\/ul>\n<h3>Analitin\u0117s programos<\/h3>\n<ul>\n<li>Set f<sub>c<\/sub> \u0161iek tiek vir\u0161 did\u017eiausio dominan\u010dio da\u017enio.<\/li>\n<li>\u017demo da\u017enio analizei (0\u2013200 Hz): f<sub>c<\/sub> = 200\u2013300 Hz.<\/li>\n<li>U\u017e <a href=\"https:\/\/vibromera.eu\/lt\/glossary\/unbalance\/\">disbalansas<\/a> tik (1\u00d7 komponentas): f<sub>c<\/sub> = 5\u201310 kart\u0173 <a href=\"https:\/\/vibromera.eu\/lt\/glossary\/running-speed\/\">darbinis greitis<\/a>.<\/li>\n<li>Visada palikite vietos filtro per\u0117jimo juostai.<\/li>\n<\/ul>\n<h3>Triuk\u0161mo ma\u017einimas<\/h3>\n<ul>\n<li>I\u0161 spektro nustatykite triuk\u0161mo da\u017eni\u0173 diapazon\u0105.<\/li>\n<li>Set f<sub>c<\/sub> kad b\u016bt\u0173 praleisti signalo da\u017eniai, o triuk\u0161mo da\u017eniai \u2013 atmetami.<\/li>\n<li>Reikia rasti pusiausvyr\u0105 tarp triuk\u0161mo pa\u0161alinimo ir signalo i\u0161saugojimo.<\/li>\n<\/ul>\n<h2>4. Poveikis matavimams<\/h2>\n<h3>Amplitud\u0117s sritis<\/h3>\n<ul>\n<li><strong>Pralaidumo juosta:<\/strong> ne\u017eymus amplitud\u0117s pokytis, paprastai ma\u017eesnis nei 0,5 dB.<\/li>\n<li><strong>Stabdymo juosta:<\/strong> didelis slopinimas, 40\u201380 dB ar daugiau.<\/li>\n<li><strong>Bendras lygis:<\/strong> filtras suma\u017eina bendr\u0105 vibracijos rodmen\u012f, jei buvo didel\u0117 auk\u0161to da\u017enio dalis.<\/li>\n<\/ul>\n<h3>Laiko sritis<\/h3>\n<ul>\n<li>Signalo forma i\u0161lyginama pa\u0161alinus auk\u0161to da\u017enio svyravimus.<\/li>\n<li>A\u0161trios briaunos ir i\u0161ky\u0161uliai yra suapvalinti.<\/li>\n<li>Pereinamasis atsakas (filtro skamb\u0117jimas) gali paveikti bangos form\u0105<\/li>\n<li>Faz\u0117s i\u0161kraipymas gali pakeisti bangos formos interpretavim\u0105.<\/li>\n<\/ul>\n<h3>Da\u017enio sritis<\/h3>\n<ul>\n<li>Spektre matyti, kad vir\u0161 ribin\u0117s da\u017enio vert\u0117s amplitud\u0117s suma\u017e\u0117ja.<\/li>\n<li>Auk\u0161to da\u017enio smail\u0117s suma\u017einamos arba pa\u0161alinamos.<\/li>\n<li>Fono triuk\u0161mo lygis suma\u017e\u0117ja, jei triuk\u0161mas buvo auk\u0161to da\u017enio.<\/li>\n<\/ul>\n<h2>5. Da\u017eniausiai pasitaikan\u010dios problemos ir j\u0173 sprendimai<\/h2>\n<h3>Nepakankamas antialiasingas<\/h3>\n<ul>\n<li><strong>Simptomas:<\/strong> klaidingi \u017eemo da\u017enio smail\u0117s spektre.<\/li>\n<li><strong>Prie\u017eastis:<\/strong> auk\u0161tieji da\u017eniai susilpn\u0117ja iki Nyquisto da\u017enio.<\/li>\n<li><strong>Sprendimas:<\/strong> naudokite staigesn\u012f filtr\u0105, padidinkite diskretizacijos da\u017en\u012f ir patikrinkite, ar filtras tikrai veikia.<\/li>\n<\/ul>\n<h3>Per \u017eema riba<\/h3>\n<ul>\n<li><strong>Simptomas:<\/strong> galiojantys auk\u0161to da\u017enio signalai yra silpninami.<\/li>\n<li><strong>Pavyzdys:<\/strong> <a href=\"https:\/\/vibromera.eu\/lt\/glossary\/bearing-fault-frequencies\/\">guoli\u0173 gedim\u0173 da\u017eniai<\/a> suma\u017eintas d\u0117l pernelyg agresyvaus \u017eem\u0173 da\u017eni\u0173 filtro.<\/li>\n<li><strong>Sprendimas:<\/strong> padidinkite ribin\u012f da\u017en\u012f arba naudokite \u0161velnesn\u012f filtro nuolyd\u012f.<\/li>\n<\/ul>\n<h3>Filtruoti artefaktus<\/h3>\n<ul>\n<li><strong>Skamb\u0117jimas:<\/strong> laiko srityje atsirandantys svyravimai, kuriuos sukelia staigus filtro ribinis da\u017enis.<\/li>\n<li><strong>Faz\u0117s i\u0161kraipymas:<\/strong> bangos formos poky\u010diai, atsirandantys d\u0117l faz\u0117s poslinki\u0173.<\/li>\n<li><strong>Sprendimas:<\/strong> Naudokite Besselio filtr\u0105 kritin\u0117se signal\u0173 formos taikymuose, kur svarbus faz\u0117s liniji\u0161kumas.<\/li>\n<\/ul>\n<h2>6. Papildomi filtrai<\/h2>\n<h3>\u017demo da\u017enio ir auk\u0161to da\u017enio da\u017eniai<\/h3>\n<ul>\n<li><strong>Low-pass:<\/strong> praleid\u017eia \u017eemuosius da\u017enius, o auk\u0161tuosius \u2013 blokuoja.<\/li>\n<li><strong>High-pass:<\/strong> praleid\u017eia auk\u0161tus da\u017enius, o \u017eemus \u2013 blokuoja.<\/li>\n<li><strong>Papildomas:<\/strong> kartu naudojami juostinio filtro sudarymui.<\/li>\n<\/ul>\n<h3>Juostinio pralaidumo filtras<\/h3>\n<ul>\n<li>Auk\u0161to da\u017enio ir \u017eemo da\u017enio filtr\u0173 grandini\u0173 derinys.<\/li>\n<li>Gautas <a href=\"https:\/\/vibromera.eu\/lt\/glossary\/band-pass-filter\/\">juostinio pralaidumo filtras<\/a> praleid\u017eia tik nurodytame da\u017eni\u0173 juostoje esan\u010dius da\u017enius.<\/li>\n<li>Jis atmeta turin\u012f, kuris neatitinka \u0161io intervalo rib\u0173.<\/li>\n<li>Tai yra <a href=\"https:\/\/vibromera.eu\/lt\/glossary\/envelope-analysis\/\">gaubtin\u0117s analiz\u0117<\/a>, kur prie\u0161 demoduliacij\u0105 atskiriamas da\u017eni\u0173 juostos intervalas, esantis aplink guolio konstrukcin\u012f rezonans\u0105.<\/li>\n<\/ul>\n<h2>7. \u017dem\u0173 da\u017eni\u0173 filtro pritaikymas praktikoje<\/h2>\n<p>Skaitmeniniame lauko matavimo prietaiso \u017eemo da\u017enio filtras da\u017eniausiai yra nematomas \u2013 jis tyliai atlieka i\u0161kraipym\u0173 pa\u0161alinimo funkcij\u0105 duomen\u0173 surinkimo grandin\u0117je \u2013 ta\u010diau b\u016btent jis u\u017etikrina kiekvieno matavimo patikimum\u0105. Ne\u0161iojamas dviej\u0173 kanal\u0173 analizatorius, pavyzd\u017eiui, <a href=\"https:\/\/vibromera.eu\/lt\/produktas\/balansavimas-1\/\">Balanset-1A<\/a> bandlimits each <a href=\"https:\/\/vibromera.eu\/lt\/glossary\/accelerometer\/\">akselerometras<\/a> kanal\u0105 prie\u0161 imant m\u0117ginius, tod\u0117l <a href=\"https:\/\/vibromera.eu\/lt\/glossary\/fft\/\">FFT<\/a> jo skai\u010diavimai, atliekami balansavimo ir diagnostikos tikslais, neapima aliasing\u0105 sukelian\u010di\u0173 smaili\u0173 visame jo darbo diapazone. Esant \u0161variam spektrui, analizatorius gali i\u0161skirti 1\u00d7 <a href=\"https:\/\/vibromera.eu\/lt\/glossary\/phase\/\">amplitud\u0117 ir faz\u0117<\/a> reikia subalansuoti rotori\u0173 ir pateikti tiksl\u0173 ataskait\u0105 <a href=\"https:\/\/vibromera.eu\/lt\/glossary\/residual-unbalance\/\">likutinis disbalansas<\/a>, o ne bandyti sugauti vaiduokli\u0161k\u0105 da\u017en\u012f, susidarius\u012f d\u0117l prasto filtravimo.<\/p>\n<p>\u017dem\u0173 da\u017eni\u0173 filtrai yra pagrindiniai vibracijos matavimo sistem\u0173 komponentai, atliekantys svarbias funkcijas \u2013 nuo apsaugos nuo aliasingo iki triuk\u0161mo ma\u017einimo ir da\u017eni\u0173 diapazono parinkimo. J\u0173 veikimo princip\u0173 supratimas, teisingas ribinio da\u017enio parinkimas ir j\u0173 poveikio matuojamam signalui \u012fvertinimas yra itin svarb\u016bs siekiant u\u017etikrinti tiksli\u0105 analiz\u0119 ir i\u0161vengti matavimo artefakt\u0173 skaitmenini\u0173 duomen\u0173 surinkimo metu.<\/p>\n<hr>\n<p><a href=\"https:\/\/vibromera.eu\/lt\/glossary\/\">\u2190 Atgal \u012f pagrindin\u0119 rodykl\u0119<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Su\u017einokite apie \u017eemo da\u017enio filtrus, naudojamus vibracijos analiz\u0117je \u2013 signal\u0173 apdorojimo \u012frankius, kurie praleid\u017eia \u017eemus da\u017enius, o blokuoja auk\u0161tus da\u017enius, o tai yra b\u016btina norint suma\u017einti virpesi\u0173 lyginim\u0105 ir triuk\u0161m\u0105.<\/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\/lt\/wp-json\/wp\/v2\/glossary\/158","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vibromera.eu\/lt\/wp-json\/wp\/v2\/glossary"}],"about":[{"href":"https:\/\/vibromera.eu\/lt\/wp-json\/wp\/v2\/types\/glossary"}],"version-history":[{"count":1,"href":"https:\/\/vibromera.eu\/lt\/wp-json\/wp\/v2\/glossary\/158\/revisions"}],"predecessor-version":[{"id":101341,"href":"https:\/\/vibromera.eu\/lt\/wp-json\/wp\/v2\/glossary\/158\/revisions\/101341"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/lt\/wp-json\/wp\/v2\/media?parent=158"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/lt\/wp-json\/wp\/v2\/categories?post=158"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/lt\/wp-json\/wp\/v2\/tags?post=158"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}