{"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\/ms\/glossary\/low-pass-filter\/","title":{"rendered":"Apakah itu Penapis Laluan Rendah? Anti-Aliasing dan Melicinkan"},"content":{"rendered":"<h1>Memahami Penapis Laluan Rendah<\/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\/ms\/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\/ms\/product\/balanset-1\/\" title=\"Pengimbang mudah alih &amp; Penganalisis getaran 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 kit lengkap penyeimbang mudah alih dan penganalisis getaran\" 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\/ms\/product-category\/devices\/\" rel=\"tag\">Peranti<\/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\/ms\/product\/balanset-1\/\" title=\"Pengimbang mudah alih &amp; Penganalisis getaran Balanset-1A\">Pengimbang mudah alih &amp; Penganalisis getaran Balanset-1A<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>1,975.00<\/span> + VAT (jika berkenaan)<\/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=\"\/ms\/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=\"\/ms\/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\/ms\/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\/ms\/product\/vibration-sensor\/\" title=\"Penderia getaran\">\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=\"Pandangan dekat sensor getaran Balanset-1A\" 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\/ms\/product-category\/parts\/\" rel=\"tag\">bahagian<\/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\/ms\/product\/vibration-sensor\/\" title=\"Penderia getaran\">Penderia getaran<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>90.00<\/span> + VAT (jika berkenaan)<\/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=\"\/ms\/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=\"\/ms\/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\/ms\/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\/ms\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Penderia Optik (Takometer Laser)\">\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=\"Penderia Optik (Takometer Laser)\" 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\/ms\/product-category\/parts\/\" rel=\"tag\">bahagian<\/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\/ms\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Penderia Optik (Takometer Laser)\">Penderia Optik (Takometer Laser)<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>124.00<\/span> + VAT (jika berkenaan)<\/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=\"\/ms\/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=\"\/ms\/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\/ms\/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\/ms\/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=\"Kit pengimbangan rotor Vibromera: kes pembawa, perapi isyarat berbilang saluran, penganalisis genggam, tapak magnet, sensor getaran dan kabel bergelung.\" 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\/ms\/product-category\/devices\/\" rel=\"tag\">Peranti<\/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\/ms\/product\/balanset-4\/\" title=\"Balanset-4\">Balanset-4<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>6,803.00<\/span> + VAT (jika berkenaan)<\/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=\"\/ms\/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=\"\/ms\/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\/ms\/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\/ms\/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=\"Pangkalan magnet.\" 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\/ms\/product-category\/parts\/\" rel=\"tag\">bahagian<\/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>penapis lulus rendah<\/strong> (LPF) ialah unsur pemprosesan isyarat yang sensitif frekuensi yang membenarkan <a href=\"https:\/\/vibromera.eu\/ms\/glossary\/vibration\/\">getaran<\/a> komponen di bawah frekuensi cutoff yang dipilih melepasi sementara melembapkan komponen di atasnya. Dalam <a href=\"https:\/\/vibromera.eu\/ms\/glossary\/vibration-analysis\/\">Analisis getaran<\/a> ia melakukan tiga tugas yang penganalisis tidak boleh dilakukan tanpa: anti-aliasing (menghentikan frekuensi palsu daripada muncul dalam data digital), pengurangan hingar, dan mengasingkan wilayah frekuensi rendah untuk kajian berfokus. Ia adalah imej cermin bagi <a href=\"https:\/\/vibromera.eu\/ms\/glossary\/high-pass-filter\/\">penapis lulus tinggi<\/a>, dan kedua-duanya adalah blok bangunan setiap <a href=\"https:\/\/vibromera.eu\/ms\/glossary\/signal-filtering\/\">penapisan isyarat<\/a> skema.<\/p>\n<p>Penapis laluan rendah boleh dikatakan penapis yang paling banyak digunakan dalam pemeriksaan getaran. Satu duduk di hadapan penukar dalam setiap sistem pendigitan sebagai penapis anti-aliasing wajib, dan fungsi yang sama ditawarkan sebagai alat analisis untuk melicinkan data, melucutkan hingar frekuensi tinggi, dan menumpukan pada fenomena frekuensi rendah. Memahami bagaimana mereka membentuk isyarat adalah oleh itu penting untuk mempercayai sebarang <a href=\"https:\/\/vibromera.eu\/ms\/glossary\/spectrum\/\">spektrum<\/a> yang anda baca.<\/p>\n<h2>1. Ciri-ciri Penapis<\/h2>\n<h3>Frekuensi Cutoff (f<sub>c<\/sub>)<\/h3>\n<ul>\n<li><strong>Definisi:<\/strong> frekuensi di mana respons penapis telah jatuh kepada &minus;3 dB, iaitu 70.7% daripada keamplituda passband.<\/li>\n<li><strong>Di bawah f<sub>c<\/sub> (jalur laluan):<\/strong> frekuensi melepasi dengan pelembapan yang minimal.<\/li>\n<li><strong>Di atas f<sub>c<\/sub> (jalur sekatan):<\/strong> frekuensi dilemahkan secara progresif.<\/li>\n<li><strong>Jalur peralihan:<\/strong> wilayah di sekitar f<sub>c<\/sub> di mana pelemahan meningkat secara beransur-ansur.<\/li>\n<\/ul>\n<h3>Perintah Penapis dan Roll-Off<\/h3>\n<p>Tertib penapis menetapkan bagaimana ia bertransisi dengan tajam daripada passband kepada stopband:<\/p>\n<ul>\n<li><strong>Tertib ke-1:<\/strong> 6 dB\/oktaf (20 dB\/dekad) \u2014 pelepasan yang beransur-ansur.<\/li>\n<li><strong>Tertib ke-2:<\/strong> 12 dB\/octave (40 dB\/decade) \u2014 sederhana.<\/li>\n<li><strong>Tertib ke-4:<\/strong> 24 dB\/oktaf (80 dB\/dekad) \u2014 curam.<\/li>\n<li><strong>Tertib ke-8:<\/strong> 48 dB\/oktaf (160 dB\/dekad) \u2014 sangat curam.<\/li>\n<li><strong>Orde lebih tinggi:<\/strong> peralihan yang lebih tajam dan penolakan pita berhenti yang lebih baik, dengan harga pergeseran fasa yang lebih besar dan respons transien yang lebih lama.<\/li>\n<\/ul>\n<h3>Jenis Respons Penapis<\/h3>\n<p>Frekuensi potong dan orde yang sama boleh direalisasikan dengan bentuk matematik yang berbeza, setiap bentuk bertukar-tukar antara kerataan, ketajaman, dan perilaku fasa:<\/p>\n<ul>\n<li><strong>Butterworth:<\/strong> pita lulus yang rata maksimal tanpa riak.<\/li>\n<li><strong>Chebyshev:<\/strong> peralihan yang lebih tajam, menerima riak dalam pita lulus.<\/li>\n<li><strong>Bessel:<\/strong> fasa linear, yang bermakna distorsi bentuk gelombang yang minimum \u2014 pilihan yang tepat apabila bentuk <a href=\"https:\/\/vibromera.eu\/ms\/glossary\/time-waveform\/\">bentuk gelombang masa<\/a> adalah penting.<\/li>\n<li><strong>elips:<\/strong> peralihan yang paling tajam, dengan riak dalam pita lulus dan pita berhenti.<\/li>\n<\/ul>\n<h2>2. Aplikasi Utama<\/h2>\n<h3>Penapis Antialiasing (paling kritikal)<\/h3>\n<p>Ini adalah fungsi yang tidak boleh ditinggalkan oleh mana-mana pendigit. Tanpa fungsi ini, frekuensi di atas had Nyquist terlipat dan muncul sebagai puncak palsu \u2014 fenomena <a href=\"https:\/\/vibromera.eu\/ms\/glossary\/aliasing\/\">penyimpangan<\/a>.<\/p>\n<ul>\n<li><strong>Tujuan:<\/strong> menyekat frekuensi di atas frekuensi Nyquist (separuh daripada kadar sampel).<\/li>\n<li><strong>Keperluan:<\/strong> ia mesti bertindak <em>sebelum ini<\/em> penukaran analog-ke-digital \u2014 perisian tidak dapat membuang alias selepas fakta.<\/li>\n<li><strong>Peralihan tipikal:<\/strong> 0.4&ndash;0.8 &times; (kadar sampel \/ 2).<\/li>\n<li><strong>Kecuraman:<\/strong> Biasanya pesanan ke-8 atau lebih tinggi untuk penolakan alias yang baik<\/li>\n<li><strong>Akibat pengabaian:<\/strong> anti-aliasing yang tidak mencukupi mewujudkan puncak spektrum palsu yang meniru kesalahan sebenar.<\/li>\n<\/ul>\n<h3>Pengurangan Bunyi<\/h3>\n<ul>\n<li>Menghilangkan hingar elektrik frekuensi tinggi.<\/li>\n<li>Menapis bunyi kabel sensor.<\/li>\n<li>Menghalusi data untuk <a href=\"https:\/\/vibromera.eu\/ms\/glossary\/trending\/\">Trening<\/a>.<\/li>\n<li>Meningkatkan nisbah isyarat kepada hingar bagi komponen frekuensi rendah yang diminati.<\/li>\n<\/ul>\n<h3>Pembatasan Julat Frekuensi<\/h3>\n<ul>\n<li>Memfokuskan analisis pada julat frekuensi yang diminati.<\/li>\n<li>Contoh: analisis 0&ndash;100 Hz untuk mesin berkecepatan rendah.<\/li>\n<li>Membuang kandungan frekuensi tinggi yang tidak relevan.<\/li>\n<li>Mengurangkan keperluan pemprosesan data dan penyimpanan.<\/li>\n<\/ul>\n<h3>Penyediaan Integrasi<\/h3>\n<ul>\n<li>Digunakan sebelum <a href=\"https:\/\/vibromera.eu\/ms\/glossary\/integration\/\">pengamiran<\/a> <a href=\"https:\/\/vibromera.eu\/ms\/glossary\/acceleration\/\">pecutan<\/a> kepada <a href=\"https:\/\/vibromera.eu\/ms\/glossary\/velocity\/\">halaju<\/a>.<\/li>\n<li>Menghilangkan frekuensi yang sangat tinggi \u2014 hingar yang sebaliknya akan diperkuat oleh integrasi.<\/li>\n<li>Peralihan tipikal: 1000&ndash;5000 Hz bergantung kepada aplikasi.<\/li>\n<li>Mencegah penguatan bunyi yang menyusahkan integrasi tanpa kawalan.<\/li>\n<\/ul>\n<h2>3. Memilih Frekuensi Cutoff<\/h2>\n<h3>Aplikasi Anti-Aliasing<\/h3>\n<ul>\n<li><strong>peraturan:<\/strong> f<sub>c<\/sub> = 0.4 &times; kadar sampel (konservatif) hingga 0.8 &times; kadar sampel (agresif).<\/li>\n<li><strong>Contoh:<\/strong> kadar sampel 10 kHz memberikan f<sub>c<\/sub> = 4000 Hz.<\/li>\n<li><strong>Kriteria:<\/strong> pelemahan band henti lebih daripada 60 dB pada frekuensi Nyquist.<\/li>\n<\/ul>\n<h3>Aplikasi Analisis<\/h3>\n<ul>\n<li>Tetapkan f<sub>c<\/sub> hanya di atas frekuensi tertinggi yang diminati.<\/li>\n<li>Untuk analisis frekuensi rendah (0&ndash;200 Hz): f<sub>c<\/sub> = 200&ndash;300 Hz.<\/li>\n<li>Untuk <a href=\"https:\/\/vibromera.eu\/ms\/glossary\/unbalance\/\">ketidakseimbangan<\/a> sahaja (komponen 1&times;): f<sub>c<\/sub> = 5&ndash;10&times; <a href=\"https:\/\/vibromera.eu\/ms\/glossary\/running-speed\/\">kelajuan kendalian<\/a>.<\/li>\n<li>Sentiasa tinggalkan margin untuk band peralihan penapis.<\/li>\n<\/ul>\n<h3>Pengurangan Bunyi<\/h3>\n<ul>\n<li>Kenal pasti julat frekuensi bunyi dari spektrum.<\/li>\n<li>Tetapkan f<sub>c<\/sub> untuk melepaskan frekuensi isyarat sambil menolak frekuensi bunyi.<\/li>\n<li>Seimbangkan penyingkiran bunyi terhadap pemeliharaan isyarat.<\/li>\n<\/ul>\n<h2>4. Kesan pada Pengukuran<\/h2>\n<h3>Domain Amplitud<\/h3>\n<ul>\n<li><strong>Jalur laluan:<\/strong> perubahan amplitud minimal, biasanya kurang daripada 0.5 dB.<\/li>\n<li><strong>Jalur henti:<\/strong> penguatan kuat, 40&ndash;80 dB atau lebih.<\/li>\n<li><strong>Tahap keseluruhan:<\/strong> penapis mengurangkan bacaan getaran keseluruhan jika kandungan frekuensi tinggi yang ketara hadir.<\/li>\n<\/ul>\n<h3>Domain Masa<\/h3>\n<ul>\n<li>Bentuk gelombang dihaluskan kerana variasi frekuensi tinggi dibuang.<\/li>\n<li>Tepi tajam dan puncak dibulatkan.<\/li>\n<li>Tindak balas sementara (deringan penapis) boleh menjejaskan bentuk gelombang<\/li>\n<li>Herotan fasa dapat mengubah cara bentuk gelombang ditafsirkan.<\/li>\n<\/ul>\n<h3>Domain Kekerapan<\/h3>\n<ul>\n<li>Spektrum menunjukkan amplitud yang berkurangan di atas cutoff.<\/li>\n<li>Puncak frekuensi tinggi dikurangkan atau dihapuskan.<\/li>\n<li>Lantai bunyi diturunkan jika bunyi adalah frekuensi tinggi.<\/li>\n<\/ul>\n<h2>5. Isu dan Penyelesaian Lazim<\/h2>\n<h3>Anti-Aliasing yang tidak mencukupi<\/h3>\n<ul>\n<li><strong>simptom:<\/strong> puncak frekuensi rendah palsu dalam spektrum.<\/li>\n<li><strong>Punca:<\/strong> frekuensi tinggi melipat kembali di bawah Nyquist.<\/li>\n<li><strong>Penyelesaian:<\/strong> gunakan penapis yang lebih curam, tingkatkan kadar sampel, dan sahkan penapis benar-benar berfungsi.<\/li>\n<\/ul>\n<h3>Potongan Terlalu Rendah<\/h3>\n<ul>\n<li><strong>simptom:<\/strong> isyarat frekuensi tinggi yang sah disusutkan.<\/li>\n<li><strong>Contoh:<\/strong> <a href=\"https:\/\/vibromera.eu\/ms\/glossary\/bearing-fault-frequencies\/\">frekuensi kerosakan galas<\/a> dikurangkan oleh LPF yang terlalu agresif.<\/li>\n<li><strong>Penyelesaian:<\/strong> tingkatkan frekuensi potong atau gunakan cerun penapis yang lebih lembut.<\/li>\n<\/ul>\n<h3>Penapis Artifak<\/h3>\n<ul>\n<li><strong>Deringan:<\/strong> ayunan dalam domain masa yang disebabkan oleh pemotongan penapis yang tajam.<\/li>\n<li><strong>Distorsi fasa:<\/strong> perubahan bentuk gelombang yang timbul daripada anjakan fasa.<\/li>\n<li><strong>Penyelesaian:<\/strong> gunakan penapis Bessel untuk aplikasi bentuk gelombang kritikal apabila kelinearan fasa penting.<\/li>\n<\/ul>\n<h2>6. Penapis Pelengkap<\/h2>\n<h3>Lulus Rendah lwn. Lulus Tinggi<\/h3>\n<ul>\n<li><strong>Laluan rendah:<\/strong> melepasi frekuensi rendah, menghalang frekuensi tinggi.<\/li>\n<li><strong>Laluan tinggi:<\/strong> melepasi frekuensi tinggi, menghalang frekuensi rendah.<\/li>\n<li><strong>Pelengkap:<\/strong> digunakan bersama untuk membentuk penapis jalur-lulus.<\/li>\n<\/ul>\n<h3>Penapis Band-Pas<\/h3>\n<ul>\n<li>Kombinasi peringkat lulus-tinggi tambah lulus-rendah.<\/li>\n<li>Hasil yang diperoleh <a href=\"https:\/\/vibromera.eu\/ms\/glossary\/band-pass-filter\/\">penapis laluan jalur<\/a> melepasi hanya frekuensi dalam jalur yang ditentukan.<\/li>\n<li>Ia menolak kandungan di bawah dan di atas jalur tersebut.<\/li>\n<li>Ini adalah hujung hadapan <a href=\"https:\/\/vibromera.eu\/ms\/glossary\/envelope-analysis\/\">analisis sampul<\/a>, apabila jalur di sekitar resonansi struktur galas dipencilkan sebelum demodulasi.<\/li>\n<\/ul>\n<h2>7. Di Mana Penapis Lulus-Rendah Terletak di Lapangan<\/h2>\n<p>Pada instrumen lapangan digital, penapis lulus-rendah kebanyakannya tidak kelihatan \u2014 ia melakukan kerja anti-aliasing secara senyap di dalam rantai pemerolehan \u2014 namun ia mendasari kebolehpercayaan setiap bacaan. Penganalisis mudah alih dua saluran seperti <a href=\"https:\/\/vibromera.eu\/ms\/product\/balanset-1\/\">Balanset-1A<\/a> mengehadkan jalur frekuensi setiap <a href=\"https:\/\/vibromera.eu\/ms\/glossary\/accelerometer\/\">akselerometer<\/a> saluran sebelum pensampelan, supaya <a href=\"https:\/\/vibromera.eu\/ms\/glossary\/fft\/\">FFT<\/a> yang dikomputerkan untuk penyeimbangan dan diagnostik bebas daripada puncak berlapis silang merentasi julat kerjanya. Dengan spektrum bersih, penganalisis dapat menyelesaikan 1&times; <a href=\"https:\/\/vibromera.eu\/ms\/glossary\/phase\/\">amplitud dan fasa<\/a> diperlukan untuk menyeimbangkan rotor dan melaporkan sebenar <a href=\"https:\/\/vibromera.eu\/ms\/glossary\/residual-unbalance\/\">baki ketidakseimbangan<\/a>, bukan mengejar frekuensi hantu yang tercipta oleh penapis buruk.<\/p>\n<p>Penapis lulus-rendah adalah komponen asas sistem pengukuran getaran, berfungsi kepentingan daripada perlindungan anti-aliasing kepada pengurangan hingar dan pemilihan julat frekuensi. Memahami operasinya, memilih frekuensi potong dengan betul, dan menghargai kesan mereka pada isyarat yang diukur adalah penting untuk analisis yang tepat dan untuk mengelakkan artifak pengukuran dalam pemerolehan data digital.<\/p>\n<hr>\n<p><a href=\"https:\/\/vibromera.eu\/ms\/glossary\/\">\u2190 Kembali ke Indeks Utama<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Ketahui tentang penapis laluan rendah dalam analisis getaran, alat pemprosesan isyarat yang melepasi frekuensi rendah sambil menyekat frekuensi tinggi, penting untuk anti-aliasing dan pengurangan hingar.<\/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\/ms\/wp-json\/wp\/v2\/glossary\/158","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vibromera.eu\/ms\/wp-json\/wp\/v2\/glossary"}],"about":[{"href":"https:\/\/vibromera.eu\/ms\/wp-json\/wp\/v2\/types\/glossary"}],"version-history":[{"count":1,"href":"https:\/\/vibromera.eu\/ms\/wp-json\/wp\/v2\/glossary\/158\/revisions"}],"predecessor-version":[{"id":101341,"href":"https:\/\/vibromera.eu\/ms\/wp-json\/wp\/v2\/glossary\/158\/revisions\/101341"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/ms\/wp-json\/wp\/v2\/media?parent=158"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/ms\/wp-json\/wp\/v2\/categories?post=158"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/ms\/wp-json\/wp\/v2\/tags?post=158"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}