{"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\/lv\/glossary\/low-pass-filter\/","title":{"rendered":"Kas ir zemfrekvences filtrs? Anti-aliasing un izl\u012bdzin\u0101\u0161ana"},"content":{"rendered":"<h1>Zemfrekvences filtru izpratne<\/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\/lv\/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\/lv\/product\/balanset-1\/\" title=\"Portat\u012bvais balansieris un vibr\u0101ciju analizators 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 pilns p\u0101rn\u0113s\u0101jam\u0101 balansiera un vibr\u0101ciju analizatora komplekts\" 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\/lv\/product-category\/devices\/\" rel=\"tag\">Ier\u012bces<\/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\/lv\/product\/balanset-1\/\" title=\"Portat\u012bvais balansieris un vibr\u0101ciju analizators Balanset-1A\">Portat\u012bvais balansieris un vibr\u0101ciju analizators 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> + PVN (ja piem\u0113rojams)<\/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=\"\/lv\/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=\"Pievienot grozam\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Pievienot grozam\" 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=\"\/lv\/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=\"\">Pievienot grozam<\/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\/lv\/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\/lv\/product\/vibration-sensor\/\" title=\"Vibr\u0101cijas sensors\">\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 vibr\u0101cijas sensors tuvpl\u0101n\u0101\" 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\/lv\/product-category\/parts\/\" rel=\"tag\">Da\u013cas<\/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\/lv\/product\/vibration-sensor\/\" title=\"Vibr\u0101cijas sensors\">Vibr\u0101cijas sensors<\/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> + PVN (ja piem\u0113rojams)<\/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=\"\/lv\/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=\"Pievienot grozam\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Pievienot grozam\" 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=\"\/lv\/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=\"\">Pievienot grozam<\/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\/lv\/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\/lv\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Optiskais sensors (l\u0101zera tahometrs)\">\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=\"Optiskais sensors (l\u0101zera tahometrs)\" 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\/lv\/product-category\/parts\/\" rel=\"tag\">Da\u013cas<\/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\/lv\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Optiskais sensors (l\u0101zera tahometrs)\">Optiskais sensors (l\u0101zera tahometrs)<\/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> + PVN (ja piem\u0113rojams)<\/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=\"\/lv\/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=\"Pievienot grozam\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Pievienot grozam\" 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=\"\/lv\/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=\"\">Pievienot grozam<\/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\/lv\/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\/lv\/product\/balanset-4\/\" title=\"balans\u0113\u0161anas komplekts-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 rotora balans\u0113\u0161anas komplekts: p\u0101rn\u0113s\u0101\u0161anas soma, daudzkan\u0101lu sign\u0101la kondicionieris, rokas analizators, magn\u0113tisk\u0101 pamatne, vibr\u0101cijas sensori un spir\u0101lveida kabe\u013ci.\" 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\/lv\/product-category\/devices\/\" rel=\"tag\">Ier\u012bces<\/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\/lv\/product\/balanset-4\/\" title=\"balans\u0113\u0161anas komplekts-4\">balans\u0113\u0161anas komplekts-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> + PVN (ja piem\u0113rojams)<\/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=\"\/lv\/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=\"Pievienot grozam\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Pievienot grozam\" 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=\"\/lv\/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=\"\">Pievienot grozam<\/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\/lv\/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\/lv\/product\/magnet-stand\/\" title=\"Magn\u0113tiskais stat\u012bvs 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=\"Magn\u0113ta pamatne.\" 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\/lv\/product-category\/parts\/\" rel=\"tag\">Da\u013cas<\/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\/lv\/product\/magnet-stand\/\" title=\"Magn\u0113tiskais stat\u012bvs Insize-60-kgf\">Magn\u0113tiskais stat\u012bvs 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\">\u20ac<\/span>46.00<\/span> + PVN (ja piem\u0113rojams)<\/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=\"\/lv\/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=\"Pievienot grozam\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Pievienot grozam\" 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=\"\/lv\/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=\"\">Pievienot grozam<\/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\/lv\/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\/lv\/product\/reflective-tape\/\" title=\"Atstarojo\u0161\u0101 lente\">\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=\"Atstarojo\u0161\u0101 lente\" 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\/lv\/product-category\/parts\/\" rel=\"tag\">Da\u013cas<\/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\/lv\/product\/reflective-tape\/\" title=\"Atstarojo\u0161\u0101 lente\">Atstarojo\u0161\u0101 lente<\/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>10.00<\/span> + PVN (ja piem\u0113rojams)<\/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=\"\/lv\/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=\"Pievienot grozam\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Pievienot grozam\" 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=\"\/lv\/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=\"\">Pievienot grozam<\/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\/lv\/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\/lv\/product\/dynamic-balancer-balanset-1a\/\" title=\"Dinamiskais balans\u0113t\u0101js &quot;Balanset-1A&quot; OEM\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Balanset-1A komplekta saturs ar interfeisa bloku, sensoriem, tahometru un piederumiem\" 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\/lv\/product-category\/devices\/\" rel=\"tag\">Ier\u012bces<\/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\/lv\/product\/dynamic-balancer-balanset-1a\/\" title=\"Dinamiskais balans\u0113t\u0101js &quot;Balanset-1A&quot; OEM\">Dinamiskais balans\u0113t\u0101js \"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\">\u20ac<\/span>1,735.00<\/span> + PVN (ja piem\u0113rojams)<\/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=\"\/lv\/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=\"Pievienot grozam\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Pievienot grozam\" 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=\"\/lv\/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=\"\">Pievienot grozam<\/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>zemfrekvences filtrs<\/strong> (LPF) ir frekven\u010du selekt\u012bvs sign\u0101lapstr\u0101des elements, kas \u013cauj <a href=\"https:\/\/vibromera.eu\/lv\/glossary\/vibration\/\">vibr\u0101cija<\/a> komponentiem zem izv\u0113l\u0113t\u0101s robe\u017efrekvences iziet cauri, vienlaikus v\u0101jinot virs t\u0101s eso\u0161os komponentus. In <a href=\"https:\/\/vibromera.eu\/lv\/glossary\/vibration-analysis\/\">vibr\u0101cijas anal\u012bze<\/a> tas veic tr\u012bs uzdevumus, bez kuriem analizators nevar iztikt: antialiaising (nov\u0113r\u0161 viltus frekven\u010du par\u0101d\u012b\u0161anos digit\u0101lajos datos), trok\u0161\u0146u samazin\u0101\u0161ana un zemu frekven\u010du re\u0123iona izol\u0113\u0161ana m\u0113r\u0137tiec\u012bgai izp\u0113tei. Tas ir spogu\u013catt\u0113ls <a href=\"https:\/\/vibromera.eu\/lv\/glossary\/high-pass-filter\/\">augstfrekvences filtrs<\/a>, un abi ir katra cita celtniec\u012bbas bloki <a href=\"https:\/\/vibromera.eu\/lv\/glossary\/signal-filtering\/\">sign\u0101la filtr\u0113\u0161ana<\/a> scheme.<\/p>\n<p>Zemfrekvences filtri, iesp\u0113jams, ir vispla\u0161\u0101k lietotie filtri vibr\u0101cijas m\u0113rapar\u0101t\u016br\u0101. Viens atrodas pirms konvertera katr\u0101 digitaliz\u0101cijas sist\u0113m\u0101 k\u0101 oblig\u0101ts antialiasinga filtrs, un t\u0101 pati funkcija tiek pied\u0101v\u0101ta k\u0101 anal\u012bzes r\u012bks datu izl\u012bdzin\u0101\u0161anai, augstfrekvences trok\u0161\u0146u no\u0146em\u0161anai un koncentr\u0113\u0161an\u0101s uz zemas frekvences par\u0101d\u012bb\u0101m. T\u0101p\u0113c izpratne par to, k\u0101 tie veido sign\u0101lu, ir b\u016btiska, lai uztic\u0113tos jebkuram <a href=\"https:\/\/vibromera.eu\/lv\/glossary\/spectrum\/\">spektrs<\/a> you read.<\/p>\n<h2>1. Filtra raksturlielumi<\/h2>\n<h3>Robe\u017efrekvence (f<sub>c<\/sub>)<\/h3>\n<ul>\n<li><strong>Defin\u012bcija:<\/strong> frekvence, pie kuras filtra atbilde ir nokritusies l\u012bdz &minus;3 dB, t.i., 70,7% no caurlaides joslas amplit\u016bdas.<\/li>\n<li><strong>Below f<sub>c<\/sub> (passband):<\/strong> frekvences iziet cauri ar minim\u0101lu v\u0101jin\u0101jumu.<\/li>\n<li><strong>Above f<sub>c<\/sub> (stopband):<\/strong> frekvences progres\u012bvi tiek sl\u0101p\u0113tas.<\/li>\n<li><strong>P\u0101rejas josla:<\/strong> apgabals ap f<sub>c<\/sub> kur sl\u0101p\u0113\u0161ana past\u0101v\u012bgi pieaug.<\/li>\n<\/ul>\n<h3>Filtru sec\u012bba un nolai\u0161ana<\/h3>\n<p>Filtra k\u0101rta nosaka, cik strauji tas p\u0101riet no caurlaides joslas uz aiztures joslu:<\/p>\n<ul>\n<li><strong>1st order:<\/strong> 6 dB\/okt\u0101va (20 dB\/dek\u0101de) \u2014 pak\u0101peniska amplit\u016bdas samazin\u0101\u0161an\u0101s.<\/li>\n<li><strong>2nd order:<\/strong> 12 dB\/okt\u0101va (40 dB\/dek\u0101de) \u2014 m\u0113rena.<\/li>\n<li><strong>4th order:<\/strong> 24 dB\/okt\u0101va (80 dB\/dek\u0101de) \u2014 st\u0101va.<\/li>\n<li><strong>8th order:<\/strong> 48 dB\/okt\u0101va (160 dB\/dek\u0101de) \u2014 \u013coti st\u0101va.<\/li>\n<li><strong>Augst\u0101ka k\u0101rta:<\/strong> strauj\u0101ka p\u0101reja un lab\u0101ka aiztures joslas nom\u0101k\u0161ana, par ko j\u0101maks\u0101 ar liel\u0101ku f\u0101zes nob\u012bdi un gar\u0101ku p\u0101rejas rea\u0123\u0113\u0161anas laiku.<\/li>\n<\/ul>\n<h3>Filtra atbil\u017eu veidi<\/h3>\n<p>Vien\u0101du nogrie\u0161anas frekvenci un k\u0101rt\u012bbu var realiz\u0113t ar da\u017e\u0101d\u0101m matem\u0101tisk\u0101m form\u0101m, kur\u0101m katra at\u0161\u0137ir\u012bgi tirdzniecina caurlaid\u012bbas joslas plakanumu, nogrie\u0161anas asumu un f\u0101zes uzved\u012bbu:<\/p>\n<ul>\n<li><strong>Batervorts:<\/strong> maksim\u0101li plakana caurlaid\u012bbas josla bez vi\u013c\u0146o\u0161an\u0101s.<\/li>\n<li><strong>\u010cebi\u0161evs:<\/strong> as\u0101ka nogrie\u0161ana, pie\u013caujot vi\u013c\u0146o\u0161anos caurlaid\u012bbas josl\u0101.<\/li>\n<li><strong>Besels:<\/strong> line\u0101ra f\u0101ze, kas noz\u012bm\u0113 minim\u0101lu vi\u013c\u0146formas izkrop\u013cojumu \u2014 pareiz\u0101 izv\u0113le, kad <a href=\"https:\/\/vibromera.eu\/lv\/glossary\/time-waveform\/\">laika vi\u013c\u0146a forma<\/a> matters.<\/li>\n<li><strong>Eliptisks:<\/strong> p\u0113c iesp\u0113jas as\u0101ka p\u0101reja, ar vi\u013c\u0146o\u0161anos gan caurlaid\u012bbas, gan aiztures josl\u0101.<\/li>\n<\/ul>\n<h2>2. Galven\u0101s lieto\u0161anas jomas<\/h2>\n<h3>Antrasi\u0146u nov\u0113r\u0161ana (kritisk\u0101kais)<\/h3>\n<p>\u0160\u012b ir funkcija, kuru nevar izlaist neviens digitizers. Bez t\u0101s frekvences virs Nyquist robe\u017eas atlokas atpaka\u013c un par\u0101d\u0101s k\u0101 viltus virsotnes \u2014 par\u0101d\u012bba, ko sauc par <a href=\"https:\/\/vibromera.eu\/lv\/glossary\/aliasing\/\">izl\u012bdzin\u0101\u0161ana<\/a>.<\/p>\n<ul>\n<li><strong>M\u0113r\u0137is:<\/strong> blo\u0137\u0113 frekvences virs Nyquist frekvences (puse no izlases \u0101truma).<\/li>\n<li><strong>Pras\u012bba:<\/strong> it must act <em>pirms<\/em> analog\u0101-uz-ciparu p\u0101rveido\u0161ana \u2014 programmat\u016bra nevar no\u0146emt pseidosign\u0101lu p\u0113c fakta.<\/li>\n<li><strong>Tipiska nogrie\u0161anas frekvence:<\/strong> 0,4&ndash;0,8 &times; (diskretiz\u0101cijas \u0101trums \/ 2).<\/li>\n<li><strong>St\u0101vums:<\/strong> Parasti 8. pak\u0101pe vai augst\u0101ka labai aliasing noraid\u012b\u0161anai<\/li>\n<li><strong>Nolaid\u012bbas sekas:<\/strong> nepietiekama pretaliasinga filtr\u0101cija rada viltus spektr\u0101l\u0101s virsotnes, kas atdarina \u012bstus boj\u0101jumus.<\/li>\n<\/ul>\n<h3>Trok\u0161\u0146a samazin\u0101\u0161ana<\/h3>\n<ul>\n<li>No\u0146em augstfrekvences elektriskos trok\u0161\u0146us.<\/li>\n<li>Filtr\u0113 sensora-kabe\u013ca trok\u0161\u0146us.<\/li>\n<li>Izl\u012bdzina datus priek\u0161 <a href=\"https:\/\/vibromera.eu\/lv\/glossary\/trending\/\">tendences<\/a>.<\/li>\n<li>Uzlabo sign\u0101la-trok\u0161\u0146a attiec\u012bbu interes\u0113jo\u0161ajiem zemfrekven\u010du komponentiem.<\/li>\n<\/ul>\n<h3>Frekvences diapazona ierobe\u017eo\u0161ana<\/h3>\n<ul>\n<li>Fokus\u0113 anal\u012bzi uz interes\u0113jo\u0161o frekven\u010du diapazonu.<\/li>\n<li>Piem\u0113rs: 0&ndash;100 Hz anal\u012bze l\u0113ngaitas iek\u0101rt\u0101m.<\/li>\n<li>No\u0146em nerelevantus augstfrekvences saturu.<\/li>\n<li>Samazina datu apstr\u0101des un glab\u0101\u0161anas pras\u012bbas.<\/li>\n<\/ul>\n<h3>Integr\u0101cijas sagatavo\u0161ana<\/h3>\n<ul>\n<li>Applied before <a href=\"https:\/\/vibromera.eu\/lv\/glossary\/integration\/\">integrating<\/a> <a href=\"https:\/\/vibromera.eu\/lv\/glossary\/acceleration\/\">pa\u0101trin\u0101jums<\/a> uz <a href=\"https:\/\/vibromera.eu\/lv\/glossary\/velocity\/\">\u0101trums<\/a>.<\/li>\n<li>No\u0146em \u013coti augst\u0101s frekvences \u2014 troksni, ko integr\u0101cija cit\u0101di pastiprin\u0101tu.<\/li>\n<li>Tipiska nogrie\u0161anas frekvence: 1000&ndash;5000 Hz atkar\u012bb\u0101 no lietojuma.<\/li>\n<li>Nov\u0113r\u0161 trok\u0161\u0146a pastiprin\u0101\u0161anos, kas nomoka nekontrol\u0113tu integr\u0101ciju.<\/li>\n<\/ul>\n<h2>3. Nogrie\u0161anas frekvences izv\u0113le<\/h2>\n<h3>Antialiasing lietojumprogrammas<\/h3>\n<ul>\n<li><strong>Noteikums:<\/strong> f<sub>c<\/sub> = 0.4 &times; izlases \u0101trums (konservat\u012bvs) l\u012bdz 0.8 &times; izlases \u0101trums (agres\u012bvs).<\/li>\n<li><strong>Piem\u0113rs:<\/strong> 10 kHz diskretiz\u0101cijas \u0101trums dod f<sub>c<\/sub> = 4000 Hz.<\/li>\n<li><strong>Krit\u0113rijs:<\/strong> stopjoslas sl\u0101pin\u0101jums liel\u0101ks par 60 dB Nyquist frekvenc\u0113.<\/li>\n<\/ul>\n<h3>Anal\u012btisk\u0101s lietojumprogrammas<\/h3>\n<ul>\n<li>Set f<sub>c<\/sub> nedaudz virs augst\u0101k\u0101s interes\u0113jo\u0161\u0101s frekvences.<\/li>\n<li>Zemo frekven\u010du anal\u012bzei (0&ndash;200 Hz): f<sub>c<\/sub> = 200&ndash;300 Hz.<\/li>\n<li>Priek\u0161 <a href=\"https:\/\/vibromera.eu\/lv\/glossary\/unbalance\/\">nel\u012bdzsvarot\u012bba<\/a> tikai (1&times; komponents): f<sub>c<\/sub> = 5&ndash;10&times; <a href=\"https:\/\/vibromera.eu\/lv\/glossary\/running-speed\/\">darba \u0101trums<\/a>.<\/li>\n<li>Vienm\u0113r atst\u0101jiet rezervi filtra p\u0101rejas joslai.<\/li>\n<\/ul>\n<h3>Trok\u0161\u0146a samazin\u0101\u0161ana<\/h3>\n<ul>\n<li>Identific\u0113jiet trok\u0161\u0146a frekven\u010du diapazonu no spektra.<\/li>\n<li>Set f<sub>c<\/sub> lai caurlaistu sign\u0101la frekvences, vienlaikus noraidot trok\u0161\u0146a frekvences.<\/li>\n<li>L\u012bdzsvarojiet trok\u0161\u0146u no\u0146em\u0161anu ar sign\u0101la saglab\u0101\u0161anu.<\/li>\n<\/ul>\n<h2>4. Ietekme uz m\u0113r\u012bjumiem<\/h2>\n<h3>Amplit\u016bdas dom\u0113ns<\/h3>\n<ul>\n<li><strong>Caurlaides josla:<\/strong> minim\u0101las amplit\u016bdas izmai\u0146as, parasti maz\u0101k par 0,5 dB.<\/li>\n<li><strong>Stopjosla:<\/strong> sp\u0113c\u012bga sl\u0101p\u0113\u0161ana, 40&ndash;80 dB vai vair\u0101k.<\/li>\n<li><strong>Kop\u0113jais l\u012bmenis:<\/strong> filtrs samazina kop\u0113jo vibr\u0101cijas r\u0101d\u012bjumu, ja bija kl\u0101teso\u0161s iev\u0113rojams augstfrekven\u010du saturs.<\/li>\n<\/ul>\n<h3>Laika dom\u0113ns<\/h3>\n<ul>\n<li>Vi\u013c\u0146veidols tiek izl\u012bdzin\u0101ts, jo augstfrekven\u010du sv\u0101rst\u012bbas tiek no\u0146emtas.<\/li>\n<li>Asas malas un izvirz\u012bjumi tiek noapa\u013coti.<\/li>\n<li>P\u0101rejo\u0161a reakcija (filtra zvan\u012b\u0161ana) var ietekm\u0113t vi\u013c\u0146u formas formu<\/li>\n<li>F\u0101zes izkrop\u013cojumi var main\u012bt vi\u013c\u0146veidola interpret\u0101ciju.<\/li>\n<\/ul>\n<h3>Frekvences dom\u0113ns<\/h3>\n<ul>\n<li>Spektr\u0101 redzamas samazin\u0101tas amplit\u016bdas virs nogrieznes frekvences.<\/li>\n<li>Augstfrekven\u010du maksimumi ir samazin\u0101ti vai piln\u012bb\u0101 nov\u0113rsti.<\/li>\n<li>Trok\u0161\u0146a gr\u012bda tiek pazemin\u0101ta, ja troksnis bija augstfrekven\u010du.<\/li>\n<\/ul>\n<h2>5. Kop\u0113j\u0101s probl\u0113mas un risin\u0101jumi<\/h2>\n<h3>Nepietiekama antialiasing<\/h3>\n<ul>\n<li><strong>Simptoms:<\/strong> viltus zemo frekven\u010du maksimumi spektr\u0101.<\/li>\n<li><strong>Iemesls:<\/strong> augstfrekvences atl\u0113c atpaka\u013c zem Naikvista.<\/li>\n<li><strong>Risin\u0101jums:<\/strong> izmantojiet st\u0101v\u0101ku filtru, palieliniet izlases frekvenci un p\u0101rbaudiet, vai filtrs faktiski darbojas.<\/li>\n<\/ul>\n<h3>Robe\u017ev\u0113rt\u012bba ir p\u0101r\u0101k zema<\/h3>\n<ul>\n<li><strong>Simptoms:<\/strong> der\u012bgi augstfrekven\u010du sign\u0101li tiek v\u0101jin\u0101ti.<\/li>\n<li><strong>Piem\u0113rs:<\/strong> <a href=\"https:\/\/vibromera.eu\/lv\/glossary\/bearing-fault-frequencies\/\">gult\u0146u defektu frekvences<\/a> samazin\u0101ts p\u0101rm\u0113r\u012bgi agres\u012bva \u017eemfrekvences filtra d\u0113\u013c.<\/li>\n<li><strong>Risin\u0101jums:<\/strong> palieliniet nogrieznes frekvenci vai izmantojiet maig\u0101ku filtra sl\u012bpumu.<\/li>\n<\/ul>\n<h3>Filtr\u0113t artefaktus<\/h3>\n<ul>\n<li><strong>Zvan\u012b\u0161ana:<\/strong> sv\u0101rst\u012bbas laika jom\u0101, ko izraisa asa filtra nogrieznes.<\/li>\n<li><strong>F\u0101zes nob\u012bde:<\/strong> vi\u013c\u0146formas izmai\u0146as, kas rodas no f\u0101zes nob\u012bd\u0113m.<\/li>\n<li><strong>Risin\u0101jums:<\/strong> kritisk\u0101m vi\u013c\u0146formas lietojumprogramm\u0101m, kur\u0101s svar\u012bga f\u0101zes linearit\u0101te, izmantojiet Besela filtru.<\/li>\n<\/ul>\n<h2>6. Komplement\u0101ri filtri<\/h2>\n<h3>Zema caurlaid\u012bba pret augstu caurlaid\u012bbu<\/h3>\n<ul>\n<li><strong>Low-pass:<\/strong> uztver zemas frekvences, blo\u0137\u0113 augstas.<\/li>\n<li><strong>High-pass:<\/strong> uztver augstas frekvences, blo\u0137\u0113 zemas.<\/li>\n<li><strong>Papildino\u0161i:<\/strong> izmantoti kop\u0101, lai veidotu joslas caurlaid\u012bbas filtru.<\/li>\n<\/ul>\n<h3>Joslas caurlaides filtrs<\/h3>\n<ul>\n<li>Augstfrekvences un zemfrekvences posmu kombin\u0101cija.<\/li>\n<li>Rezult\u0101t\u0101 <a href=\"https:\/\/vibromera.eu\/lv\/glossary\/band-pass-filter\/\">joslas caurlaides filtrs<\/a> uztver tikai frekvences noteikt\u0101 diapazon\u0101.<\/li>\n<li>Tas noraidja saturu gan zem\u0101k, gan augst\u0101k par \u0161o joslu.<\/li>\n<li>\u0160is ir priek\u0161\u0113js posms <a href=\"https:\/\/vibromera.eu\/lv\/glossary\/envelope-analysis\/\">aploksnes anal\u012bze<\/a>, kur josla ap gult\u0146a struktur\u0101lo rezonansi tiek izol\u0113ta pirms demodul\u0101cijas.<\/li>\n<\/ul>\n<h2>7. Zemfrekvences filtra vieta praks\u0113<\/h2>\n<p>Digit\u0101l\u0101 lauka instrument\u0101 zemfrekvences filtrs liel\u0101koties ir neredzams \u2014 tas klusi veic savu pretizl\u012bdzin\u0101\u0161anas darbu ieg\u0101des \u0137\u0113des iek\u0161ien\u0113 \u2014 tom\u0113r tas ir katra r\u0101d\u012bjuma uzticam\u012bbas pamats. P\u0101rn\u0113s\u0101jams divu kan\u0101lu analizators, piem\u0113ram, <a href=\"https:\/\/vibromera.eu\/lv\/produkts\/balansesanas-komplekts-1\/\">Balanset-1A<\/a> joslu robe\u017eas katrai <a href=\"https:\/\/vibromera.eu\/lv\/glossary\/accelerometer\/\">akselerometrs<\/a> kan\u0101lu pirms paraugo\u0161anas, t\u0101p\u0113c <a href=\"https:\/\/vibromera.eu\/lv\/glossary\/fft\/\">FFT<\/a> ko tas apr\u0113\u0137ina balans\u0113\u0161anai un diagnostikai, ir br\u012bvs no izl\u012bdzin\u0101\u0161anas pi\u0137iem vis\u0101 t\u0101 darba diapazon\u0101. Ar t\u012bru spektru analizators sp\u0113j atrisin\u0101t 1&times; <a href=\"https:\/\/vibromera.eu\/lv\/glossary\/phase\/\">amplit\u016bda un f\u0101ze<\/a> kas nepiecie\u0161ams rotora balans\u0113\u0161anai un patiesas <a href=\"https:\/\/vibromera.eu\/lv\/glossary\/residual-unbalance\/\">atliku\u0161ais disbalanss<\/a>, nevis \u0161\u0137etinot spirta frekvenci, ko rada slikts filtr\u0113jums.<\/p>\n<p>Zemfrekvences filtri ir vibr\u0101cijas m\u0113r\u012b\u0161anas sist\u0113mu pamatkomponenti, kas pilda b\u016btiskas funkcijas \u2014 no pretizl\u012bdzin\u0101\u0161anas aizsardz\u012bbas l\u012bdz trok\u0161\u0146u samazin\u0101\u0161anai un frekvences diapazona atlasei. Izpratne par to darb\u012bbu, pareiza nogrieznes frekvences izv\u0113le un to ietekmes uz m\u0113r\u012bto sign\u0101lu nov\u0113rt\u0113\u0161ana ir iz\u0161\u0137iro\u0161a prec\u012bzai anal\u012bzei un lai izvair\u012btos no m\u0113r\u012b\u0161anas artefaktiem digit\u0101laj\u0101 datu ieg\u0101d\u0113.<\/p>\n<hr>\n<p><a href=\"https:\/\/vibromera.eu\/lv\/glossary\/\">\u2190 Atpaka\u013c uz galveno indeksu<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Uzziniet par zemfrekvences filtriem vibr\u0101ciju anal\u012bz\u0113 \u2014 sign\u0101lu apstr\u0101des r\u012bkiem, kas lai\u017e cauri zemfrekvences, vienlaikus blo\u0137\u0113jot augstas frekvences, kas ir svar\u012bgi izl\u012bdzin\u0101\u0161anai un trok\u0161\u0146u samazin\u0101\u0161anai.<\/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\/lv\/wp-json\/wp\/v2\/glossary\/158","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vibromera.eu\/lv\/wp-json\/wp\/v2\/glossary"}],"about":[{"href":"https:\/\/vibromera.eu\/lv\/wp-json\/wp\/v2\/types\/glossary"}],"version-history":[{"count":1,"href":"https:\/\/vibromera.eu\/lv\/wp-json\/wp\/v2\/glossary\/158\/revisions"}],"predecessor-version":[{"id":101341,"href":"https:\/\/vibromera.eu\/lv\/wp-json\/wp\/v2\/glossary\/158\/revisions\/101341"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/lv\/wp-json\/wp\/v2\/media?parent=158"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/lv\/wp-json\/wp\/v2\/categories?post=158"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/lv\/wp-json\/wp\/v2\/tags?post=158"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}