{"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\/tl\/glossary\/low-pass-filter\/","title":{"rendered":"Ano ang isang Low-Pass Filter? Anti-Aliasing at Smoothing"},"content":{"rendered":"<h1>Understanding Low-Pass Filters<\/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\/tl\/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\/tl\/product\/balanset-1\/\" title=\"Portable balancer at Vibration analyzer 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 full kit portable na balancer at vibration analyzer\" 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\/tl\/product-category\/devices\/\" rel=\"tag\">Devices<\/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\/tl\/product\/balanset-1\/\" title=\"Portable balancer at Vibration analyzer Balanset-1A\">Portable na balancer &#038; vibration analyzer na 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> + VAT (kung naaangkop)<\/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=\"\/tl\/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=\"Add to cart\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Add to cart\" 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=\"\/tl\/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=\"\">Add to cart<\/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\/tl\/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\/tl\/product\/vibration-sensor\/\" title=\"Sensor ng vibraci\u00f3n\">\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 vibration sensor close-up\" 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\/tl\/product-category\/parts\/\" rel=\"tag\">Parts<\/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\/tl\/product\/vibration-sensor\/\" title=\"Sensor ng vibraci\u00f3n\">Sensor ng vibraci\u00f3n<\/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> + VAT (kung naaangkop)<\/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=\"\/tl\/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=\"Add to cart\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Add to cart\" 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=\"\/tl\/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=\"\">Add to cart<\/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\/tl\/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\/tl\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Optical Sensor (Laser Tachometer)\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Optical Sensor (Laser Tachometer)\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-300x200.webp 300w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-1024x682.webp 1024w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-768x512.webp 768w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-1536x1023.webp 1536w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-18x12.webp 18w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-460x306.webp 460w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-600x400.webp 600w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-272x182.webp 272w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU.webp 1600w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/tl\/product-category\/parts\/\" rel=\"tag\">Parts<\/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\/tl\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Optical Sensor (Laser Tachometer)\">Optical Sensor (Laser Tachometer)<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">&euro;<\/span>124.00<\/span> + VAT (kung naaangkop)<\/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=\"\/tl\/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=\"Add to cart\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Add to cart\" 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=\"\/tl\/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=\"\">Add to cart<\/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\/tl\/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\/tl\/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 rotor balancing kit: carrying case, multi-channel signal conditioner, handheld analyzer, magnetic base, mga vibration sensor, at mga coiled cable.\" 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\/tl\/product-category\/devices\/\" rel=\"tag\">Devices<\/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\/tl\/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> + VAT (kung naaangkop)<\/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=\"\/tl\/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=\"Add to cart\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Add to cart\" 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=\"\/tl\/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=\"\">Add to cart<\/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\/tl\/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\/tl\/product\/magnet-stand\/\" title=\"Magnetic Stand 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 class=\"category\"><a href=\"https:\/\/vibromera.eu\/tl\/product-category\/parts\/\" 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class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Mga nilalaman ng Balanset-1A kit na may interface unit, mga sensor, tachometer at mga accessories\" 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\/tl\/product-category\/devices\/\" rel=\"tag\">Devices<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 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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>low-pass filter<\/strong> (LPF) ay isang frequency-selective na elemento ng pagpoproseso ng signal na nagpapasa ng <a href=\"https:\/\/vibromera.eu\/tl\/glossary\/vibration\/\">vibration<\/a> mga bahagi sa ibaba ng napiling cutoff frequency habang pinipigilan ang mga bahagi sa itaas nito. Sa <a href=\"https:\/\/vibromera.eu\/tl\/glossary\/vibration-analysis\/\">pagsusuri ng vibration<\/a> gumaganap ito ng tatlong tungkulin na hindi magagawa ng isang analyzer nang wala ito: anti-aliasing (pagpigil sa maling mga frequency na lumabas sa digital na datos), pagbabawas ng ingay, at paghihiwalay ng rehiyong mababang frequency para sa nakatuon na pag-aaral. Ito ang salamin ng <a href=\"https:\/\/vibromera.eu\/tl\/glossary\/high-pass-filter\/\">high-pass filter<\/a>, at ang dalawa ay ang mga pangunahing bloke ng bawat iba pang <a href=\"https:\/\/vibromera.eu\/tl\/glossary\/signal-filtering\/\">pagsusulog ng signal<\/a> scheme.<\/p>\n<p>Ang mga low-pass filter ay marahil ang pinakamalawakang ginagamit na mga filter sa mga instrumento ng vibration. Ang isa ay naroroon sa harapan ng converter sa bawat digitizing na sistema bilang isang mandatory na anti-aliasing filter, at ang parehong function ay inaalok bilang isang kasangkapan sa pagsusuri para sa pag-smooth ng datos, pag-aalis ng high-frequency na ingay, at pagtuon sa mga low-frequency na penomenon. Ang pag-unawa kung paano nila hinuhubog ang isang signal ay mahalaga kaya't kinakailangan para magtiwala sa anumang <a href=\"https:\/\/vibromera.eu\/tl\/glossary\/spectrum\/\">spectrum<\/a> you read.<\/p>\n<h2>1. Mga Katangian ng Filter<\/h2>\n<h3>Cutoff Frequency (f<sub>c<\/sub>)<\/h3>\n<ul>\n<li><strong>Definition:<\/strong> ang frequency kung saan ang tugon ng filter ay bumaba sa &minus;3 dB, ibig sabihin, 70.7% ng amplitude ng passband.<\/li>\n<li><strong>Below f<sub>c<\/sub> (passband):<\/strong> ang mga frequency ay dumadaan nang may kaunting attenuation.<\/li>\n<li><strong>Above f<sub>c<\/sub> (stopband):<\/strong> frequencies are progressively attenuated.<\/li>\n<li><strong>Transition band:<\/strong> ang rehiyon sa paligid ng f<sub>c<\/sub> where attenuation steadily increases.<\/li>\n<\/ul>\n<h3>Order ng Filter at Roll-Off<\/h3>\n<p>Ang order ng isang filter ay nagtatakda kung gaano kasharply ito lumipat mula sa passband patungong stopband:<\/p>\n<ul>\n<li><strong>1st order:<\/strong> 6 dB\/octave (20 dB\/decade) \u2014 unti-unting roll-off.<\/li>\n<li><strong>2nd order:<\/strong> 12 dB\/octave (40 dB\/decade) \u2014 katamtaman.<\/li>\n<li><strong>4th order:<\/strong> 24 dB\/octave (80 dB\/decade) \u2014 steep.<\/li>\n<li><strong>8th order:<\/strong> 48 dB\/octave (160 dB\/decade) \u2014 very steep.<\/li>\n<li><strong>Mas mataas na order:<\/strong> mas matulis na transisyon at mas mahusay na pagtanggi sa stopband, sa gastos ng mas maraming phase shift at mas mahabang transient na tugon.<\/li>\n<\/ul>\n<h3>Filter Response Types<\/h3>\n<p>Ang parehong cutoff at order ay maaaring maisakatuparan sa iba't ibang mathematical na hugis, bawat isa ay nagpapalitan ng flatness, sharpness, at gawi ng phase:<\/p>\n<ul>\n<li><strong>Butterworth:<\/strong> maximally flat passband na walang ripple.<\/li>\n<li><strong>Chebyshev:<\/strong> mas matalas na cutoff, tinatanggap ang ripple sa passband.<\/li>\n<li><strong>Bessel:<\/strong> linear phase, na nangangahulugang minimal na distorsyon ng waveform \u2014 ang tamang pagpipilian kapag ang hugis ng <a href=\"https:\/\/vibromera.eu\/tl\/glossary\/time-waveform\/\">time waveform<\/a> matters.<\/li>\n<li><strong>Elliptic:<\/strong> ang pinakamatulis na posibleng transisyon, na may ripple sa parehong passband at stopband.<\/li>\n<\/ul>\n<h2>2. Primary Applications<\/h2>\n<h3>Anti-Aliasing (most critical)<\/h3>\n<p>Ito ang function na hindi maaaring iwanan ng anumang digitizer. Kung wala ito, ang mga frequency na nasa itaas ng Nyquist limit ay nagba-fold back at lumilitaw bilang mga maling peak \u2014 ang penomenon ng <a href=\"https:\/\/vibromera.eu\/tl\/glossary\/aliasing\/\">aliasing<\/a>.<\/p>\n<ul>\n<li><strong>Purpose:<\/strong> pigilan ang mga frequency na nasa itaas ng Nyquist frequency (kalahati ng sample rate).<\/li>\n<li><strong>Requirement:<\/strong> it must act <em>before<\/em> analog-to-digital conversion \u2014 hindi na maaalis ng software ang isang alias pagkatapos ng katotohanan.<\/li>\n<li><strong>Karaniwang cutoff:<\/strong> 0.4&ndash;0.8 &times; (sample rate \/ 2).<\/li>\n<li><strong>Steepness:<\/strong> karaniwang ika-8 na order o mas mataas para sa mahusay na pagtanggi sa aliasing.<\/li>\n<li><strong>Bunga ng pagpapabaya:<\/strong> ang hindi sapat na anti-aliasing ay lumilikha ng mga maling spectral peak na gayahin ang mga tunay na depekto.<\/li>\n<\/ul>\n<h3>Noise Reduction<\/h3>\n<ul>\n<li>Removes high-frequency electrical noise.<\/li>\n<li>Filters out sensor-cable noise.<\/li>\n<li>Smooths data for <a href=\"https:\/\/vibromera.eu\/tl\/glossary\/trending\/\">trending<\/a>.<\/li>\n<li>Nagpapabuti ng signal-to-noise ratio para sa mga low-frequency na bahagi ng interes.<\/li>\n<\/ul>\n<h3>Frequency Range Limitation<\/h3>\n<ul>\n<li>Inifocus ang pagsusuri sa frequency range ng interes.<\/li>\n<li>Halimbawa: isang 0&ndash;100 Hz na pagsusuri para sa makinaryang mababang bilis.<\/li>\n<li>Nag-aalis ng hindi-kaugnay na nilalaman sa mataas na frequency.<\/li>\n<li>Binabawasan ang mga pangangailangan sa pagproseso ng data at pag-iimbak.<\/li>\n<\/ul>\n<h3>Paghahanda para sa Integration<\/h3>\n<ul>\n<li>Applied before <a href=\"https:\/\/vibromera.eu\/tl\/glossary\/integration\/\">integrating<\/a> <a href=\"https:\/\/vibromera.eu\/tl\/glossary\/acceleration\/\">acceleration<\/a> to <a href=\"https:\/\/vibromera.eu\/tl\/glossary\/velocity\/\">velocity<\/a>.<\/li>\n<li>Inaalis ang napakataas na mga frequency \u2014 ingay na kung hindi ay palakasin ng integration.<\/li>\n<li>Karaniwang cutoff: 1000&ndash;5000 Hz depende sa aplikasyon.<\/li>\n<li>Pinipigilan ang pagpapalaki ng ingay na kumakapit sa hindi kontroladong integration.<\/li>\n<\/ul>\n<h2>3. Pagpili ng Cutoff Frequency<\/h2>\n<h3>Mga Aplikasyon ng Anti-Aliasing<\/h3>\n<ul>\n<li><strong>Rule:<\/strong> f<sub>c<\/sub> = 0.4 &times; sample rate (konserbatibo) hanggang 0.8 &times; sample rate (agresibo).<\/li>\n<li><strong>Example:<\/strong> isang sample rate na 10 kHz ay nagbibigay ng f<sub>c<\/sub> = 4000 Hz.<\/li>\n<li><strong>Criterion:<\/strong> stopband attenuation na higit sa 60 dB sa Nyquist frequency.<\/li>\n<\/ul>\n<h3>Mga Analytical na Aplikasyon<\/h3>\n<ul>\n<li>Set f<sub>c<\/sub> nang kaunti sa itaas ng pinakamataas na frequency ng interes.<\/li>\n<li>Para sa low-frequency na pagsusuri (0&ndash;200 Hz): f<sub>c<\/sub> = 200&ndash;300 Hz.<\/li>\n<li>For <a href=\"https:\/\/vibromera.eu\/tl\/glossary\/unbalance\/\">unbalance<\/a> lamang (ang 1&times; na bahagi): f<sub>c<\/sub> = 5&ndash;10&times; <a href=\"https:\/\/vibromera.eu\/tl\/glossary\/running-speed\/\">running speed<\/a>.<\/li>\n<li>Laging mag-iwan ng margin para sa transition band ng filter.<\/li>\n<\/ul>\n<h3>Noise Reduction<\/h3>\n<ul>\n<li>Tukuyin ang frequency range ng ingay mula sa spectrum.<\/li>\n<li>Set f<sub>c<\/sub> upang maipasa ang mga frequency ng signal habang tinatanggihan ang mga frequency ng ingay.<\/li>\n<li>Balansehin ang pagtanggal ng ingay kontra sa pagpapanatili ng signal.<\/li>\n<\/ul>\n<h2>4. Mga Epekto sa mga Pagsukat<\/h2>\n<h3>Amplitude Domain<\/h3>\n<ul>\n<li><strong>Passband:<\/strong> minimal na pagbabago sa amplitude, karaniwang mas mababa sa 0.5 dB.<\/li>\n<li><strong>Stopband:<\/strong> malakas na attenuation, 40&ndash;80 dB o higit pa.<\/li>\n<li><strong>Pangkalahatang antas:<\/strong> binabawasan ng filter ang pangkalahatang pagbabasa ng vibration kung mayroon itong makabuluhang high-frequency na nilalaman.<\/li>\n<\/ul>\n<h3>Time Domain<\/h3>\n<ul>\n<li>Pinaganda ang waveform habang inaalis ang mga high-frequency na pagbabago.<\/li>\n<li>Ang mga matulis na gilid at spike ay nagiging bilog.<\/li>\n<li>Ang transient response (ringing ng filter) ay maaaring makaapekto sa hugis ng waveform.<\/li>\n<li>Ang phase distortion ay maaaring magbago ng paraan ng interpretasyon ng waveform.<\/li>\n<\/ul>\n<h3>Frequency Domain<\/h3>\n<ul>\n<li>Ipinapakita ng spectrum ang mga nabawasang amplitude sa itaas ng cutoff.<\/li>\n<li>Ang mga high-frequency na peak ay nabawasan o naalis.<\/li>\n<li>Ang noise floor ay nabababa kung ang ingay ay high-frequency.<\/li>\n<\/ul>\n<h2>5. Mga Karaniwang Isyu at Solusyon<\/h2>\n<h3>Hindi Sapat na Anti-Aliasing<\/h3>\n<ul>\n<li><strong>Symptom:<\/strong> mga maling low-frequency na peak sa spectrum.<\/li>\n<li><strong>Cause:<\/strong> mga mataas na frequency na tumatanggal pabalik sa ibaba ng Nyquist.<\/li>\n<li><strong>Solution:<\/strong> gumamit ng mas matarik na filter, dagdagan ang sample rate, at i-verify na gumagana talaga ang filter.<\/li>\n<\/ul>\n<h3>Cutoff Too Low<\/h3>\n<ul>\n<li><strong>Symptom:<\/strong> ang mga wastong high-frequency na signal ay naaattenuwate.<\/li>\n<li><strong>Example:<\/strong> <a href=\"https:\/\/vibromera.eu\/tl\/glossary\/bearing-fault-frequencies\/\">bearing fault frequencies<\/a> nabawasan ng masyadong aggressive na LPF.<\/li>\n<li><strong>Solution:<\/strong> dagdagan ang cutoff frequency o gumamit ng mas mahinahon na filter slope.<\/li>\n<\/ul>\n<h3>Mga Artipisyo ng Filter<\/h3>\n<ul>\n<li><strong>Ringing:<\/strong> mga oscillation sa time domain na dulot ng matulis na filter cutoff.<\/li>\n<li><strong>Pagbabaluktot ng phase:<\/strong> mga pagbabago sa hugis ng waveform na nagmumula sa mga phase shift.<\/li>\n<li><strong>Solution:<\/strong> gumamit ng Bessel filter para sa mga kritikal na aplikasyon ng waveform kung saan mahalaga ang phase linearity.<\/li>\n<\/ul>\n<h2>6. Mga Komplementaryong Filter<\/h2>\n<h3>Low-Pass laban sa High-Pass<\/h3>\n<ul>\n<li><strong>Low-pass:<\/strong> nagpapahintulot ng mababang frequency, humahambog sa mataas.<\/li>\n<li><strong>High-pass:<\/strong> nagpapahintulot ng mataas na frequency, humahambog sa mababa.<\/li>\n<li><strong>Complementary:<\/strong> ginamit nang magkasama upang bumuo ng band-pass filter.<\/li>\n<\/ul>\n<h3>Band-Pass Filter<\/h3>\n<ul>\n<li>Isang kombinasyon ng high-pass at low-pass na yugto.<\/li>\n<li>The resulting <a href=\"https:\/\/vibromera.eu\/tl\/glossary\/band-pass-filter\/\">band-pass filter<\/a> nagpapahintulot lamang ng mga frequency sa loob ng isang tinukoy na band.<\/li>\n<li>Tinatanggihan nito ang nilalaman na parehong nasa ibaba at sa itaas ng band na iyon.<\/li>\n<li>Ito ang harapan ng <a href=\"https:\/\/vibromera.eu\/tl\/glossary\/envelope-analysis\/\">envelope analysis<\/a>, kung saan ang isang banda sa paligid ng structural resonance ng bearing ay ihiniwalay bago ang demodulation.<\/li>\n<\/ul>\n<h2>7. Kung Saan Akma ang Low-Pass Filter sa Larangan<\/h2>\n<p>Sa isang digital na field instrument, ang low-pass filter ay halos hindi nakikita \u2014 tahimik nitong ginagawa ang anti-aliasing na trabaho nito sa loob ng acquisition chain \u2014 ngunit tinutukuyan nito ang pagiging mapagkakatiwalaan ng bawat pagbabasa. Ang isang portable na two-channel analyzer tulad ng <a href=\"https:\/\/vibromera.eu\/tl\/product\/balanset-1\/\">Balanset-1A<\/a> mga limitasyon ng bandwidth sa bawat isa <a href=\"https:\/\/vibromera.eu\/tl\/glossary\/accelerometer\/\">accelerometer<\/a> channel bago ang sampling, kaya ang <a href=\"https:\/\/vibromera.eu\/tl\/glossary\/fft\/\">FFT<\/a> na kinukuwenta nito para sa balanseo at diagnostics ay malaya sa mga aliased na peak sa buong working range nito. Sa malinis na spectrum, maaaring malutas ng analyzer ang 1&times; <a href=\"https:\/\/vibromera.eu\/tl\/glossary\/phase\/\">amplitude at phase<\/a> na kinakailangan upang balansehin ang isang rotor at mag-ulat ng tunay na <a href=\"https:\/\/vibromera.eu\/tl\/glossary\/residual-unbalance\/\">residual na hindi balansado<\/a>, sa halip na mag-habol ng isang phantom frequency na nabuo ng masamang filtering.<\/p>\n<p>Ang mga low-pass filter ay mga pangunahing bahagi ng mga sistema ng pagsukat ng vibration, na nagsisilbi ng mahahalagang tungkulin mula sa proteksyon laban sa anti-aliasing hanggang sa pagbabawas ng ingay at pagpili ng saklaw ng frequency. Ang pag-unawa sa kanilang operasyon, tamang pagpili ng cutoff frequency, at pagpapahalaga sa kanilang epekto sa nasukat na signal ay mahalaga para sa tumpak na pagsusuri at pag-iwas sa mga artifact ng pagsukat sa digital data acquisition.<\/p>\n<hr>\n<p><a href=\"https:\/\/vibromera.eu\/tl\/glossary\/\">\u2190 Bumalik sa Pangunahing Index<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Matuto tungkol sa low-pass filters sa vibration analysis, signal processing tools na nagpapahintulot ng mababang frequencies habang binabara ang mataas na frequencies, essential para sa anti-aliasing at noise reduction.<\/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\/tl\/wp-json\/wp\/v2\/glossary\/158","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vibromera.eu\/tl\/wp-json\/wp\/v2\/glossary"}],"about":[{"href":"https:\/\/vibromera.eu\/tl\/wp-json\/wp\/v2\/types\/glossary"}],"version-history":[{"count":1,"href":"https:\/\/vibromera.eu\/tl\/wp-json\/wp\/v2\/glossary\/158\/revisions"}],"predecessor-version":[{"id":101341,"href":"https:\/\/vibromera.eu\/tl\/wp-json\/wp\/v2\/glossary\/158\/revisions\/101341"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/tl\/wp-json\/wp\/v2\/media?parent=158"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/tl\/wp-json\/wp\/v2\/categories?post=158"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/tl\/wp-json\/wp\/v2\/tags?post=158"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}