{"id":44,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/band-pass-filter\/"},"modified":"2026-05-23T22:47:02","modified_gmt":"2026-05-23T22:47:02","slug":"band-pass-filter","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/cs\/glossary\/band-pass-filter\/","title":{"rendered":"Co je p\u00e1smov\u00fd filtr? V\u00fdb\u011br frekven\u010dn\u00edho p\u00e1sma"},"content":{"rendered":"<h1>Pochopen\u00ed p\u00e1smov\u00fdch filtr\u016f<\/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\/cs\/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\/cs\/product\/balanset-1\/\" title=\"P\u0159enosn\u00fd vyva\u017eova\u010d a analyz\u00e1tor vibrac\u00ed 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=\"Kompletn\u00ed sada p\u0159enosn\u00e9ho vyva\u017eova\u010de a analyz\u00e1toru vibrac\u00ed Balanset-1A\" 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\/cs\/product-category\/devices\/\" rel=\"tag\">Za\u0159\u00edzen\u00ed<\/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\/cs\/product\/balanset-1\/\" title=\"P\u0159enosn\u00fd vyva\u017eova\u010d a analyz\u00e1tor vibrac\u00ed Balanset-1A\">P\u0159enosn\u00fd vyva\u017eova\u010d a analyz\u00e1tor vibrac\u00ed 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> + DPH (pokud se uplat\u0148uje)<\/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=\"\/cs\/wp-json\/wp\/v2\/glossary\/44?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=\"P\u0159idat do ko\u0161\u00edku\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"P\u0159idat do ko\u0161\u00edku\" 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=\"\/cs\/wp-json\/wp\/v2\/glossary\/44?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=\"P\u0159idat do ko\u0161\u00edku: \u201cPortable balancer &amp; Vibration analyzer Balanset-1A\u201d\" rel=\"nofollow\" data-success_message=\"\u201cPortable balancer &amp; Vibration analyzer Balanset-1A\u201d byl p\u0159id\u00e1n do ko\u0161\u00edku\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">P\u0159idat do ko\u0161\u00edku<\/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\/cs\/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\/cs\/product\/vibration-sensor\/\" title=\"Sn\u00edma\u010d vibrac\u00ed\">\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=\"Sn\u00edma\u010d vibrac\u00ed Balanset-1A zbl\u00edzka\" 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\/cs\/product-category\/parts\/\" rel=\"tag\">D\u00edly<\/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\/cs\/product\/vibration-sensor\/\" title=\"Sn\u00edma\u010d vibrac\u00ed\">Sn\u00edma\u010d vibrac\u00ed<\/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> + DPH (pokud se uplat\u0148uje)<\/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=\"\/cs\/wp-json\/wp\/v2\/glossary\/44?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=\"P\u0159idat do ko\u0161\u00edku\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"P\u0159idat do ko\u0161\u00edku\" 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=\"\/cs\/wp-json\/wp\/v2\/glossary\/44?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=\"P\u0159idat do ko\u0161\u00edku: \u201cVibration sensor\u201d\" rel=\"nofollow\" data-success_message=\"\u201cVibration sensor\u201d byl p\u0159id\u00e1n do ko\u0161\u00edku\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">P\u0159idat do ko\u0161\u00edku<\/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\/cs\/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\/cs\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Optick\u00fd senzor (laserov\u00fd ot\u00e1\u010dkom\u011br)\">\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=\"Optick\u00fd senzor (laserov\u00fd ot\u00e1\u010dkom\u011br)\" 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\/cs\/product-category\/parts\/\" rel=\"tag\">D\u00edly<\/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\/cs\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Optick\u00fd senzor (laserov\u00fd ot\u00e1\u010dkom\u011br)\">Optick\u00fd senzor (laserov\u00fd ot\u00e1\u010dkom\u011br)<\/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> + DPH (pokud se uplat\u0148uje)<\/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=\"\/cs\/wp-json\/wp\/v2\/glossary\/44?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=\"P\u0159idat do ko\u0161\u00edku\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"P\u0159idat do ko\u0161\u00edku\" 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=\"\/cs\/wp-json\/wp\/v2\/glossary\/44?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=\"P\u0159idat do ko\u0161\u00edku: \u201cOptical Sensor (Laser Tachometer)\u201d\" rel=\"nofollow\" data-success_message=\"\u201cOptical Sensor (Laser Tachometer)\u201d byl p\u0159id\u00e1n do ko\u0161\u00edku\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">P\u0159idat do ko\u0161\u00edku<\/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\/cs\/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\/cs\/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=\"Sada pro vyva\u017eov\u00e1n\u00ed rotor\u016f Vibromera: p\u0159epravn\u00ed kuf\u0159\u00edk, v\u00edcekan\u00e1lov\u00fd zesilova\u010d sign\u00e1lu, ru\u010dn\u00ed analyz\u00e1tor, magnetick\u00e1 z\u00e1kladna, vibra\u010dn\u00ed senzory a spir\u00e1lov\u00e9 kabely.\" 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\/cs\/product-category\/devices\/\" rel=\"tag\">Za\u0159\u00edzen\u00ed<\/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\/cs\/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> + DPH (pokud se uplat\u0148uje)<\/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=\"\/cs\/wp-json\/wp\/v2\/glossary\/44?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=\"P\u0159idat do ko\u0161\u00edku\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"P\u0159idat do ko\u0161\u00edku\" 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=\"\/cs\/wp-json\/wp\/v2\/glossary\/44?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=\"P\u0159idat do ko\u0161\u00edku: \u201cBalanset-4\u201d\" rel=\"nofollow\" data-success_message=\"\u201cBalanset-4\u201d byl p\u0159id\u00e1n do ko\u0161\u00edku\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">P\u0159idat do ko\u0161\u00edku<\/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\/cs\/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\/cs\/product\/magnet-stand\/\" title=\"Magnetick\u00fd stojan 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=\"Magnetick\u00e1 z\u00e1kladna.\" 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\/cs\/product-category\/parts\/\" rel=\"tag\">D\u00edly<\/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\/cs\/product\/magnet-stand\/\" title=\"Magnetick\u00fd stojan Insize-60 kgf\">Magnetick\u00fd stojan 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> + DPH (pokud se uplat\u0148uje)<\/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=\"\/cs\/wp-json\/wp\/v2\/glossary\/44?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=\"P\u0159idat do ko\u0161\u00edku\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"P\u0159idat do ko\u0161\u00edku\" 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=\"\/cs\/wp-json\/wp\/v2\/glossary\/44?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=\"P\u0159idat do ko\u0161\u00edku: \u201cMagnetic Stand Insize-60-kgf\u201d\" rel=\"nofollow\" data-success_message=\"\u201cMagnetic Stand Insize-60-kgf\u201d byl p\u0159id\u00e1n do ko\u0161\u00edku\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">P\u0159idat do ko\u0161\u00edku<\/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\/cs\/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\/cs\/product\/reflective-tape\/\" title=\"Reflexn\u00ed p\u00e1ska\">\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=\"Reflexn\u00ed p\u00e1ska\" 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\/cs\/product-category\/parts\/\" rel=\"tag\">D\u00edly<\/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\/cs\/product\/reflective-tape\/\" title=\"Reflexn\u00ed p\u00e1ska\">Reflexn\u00ed p\u00e1ska<\/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> + DPH (pokud se uplat\u0148uje)<\/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=\"\/cs\/wp-json\/wp\/v2\/glossary\/44?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=\"P\u0159idat do ko\u0161\u00edku\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"P\u0159idat do ko\u0161\u00edku\" 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=\"\/cs\/wp-json\/wp\/v2\/glossary\/44?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=\"P\u0159idat do ko\u0161\u00edku: \u201cReflective tape\u201d\" rel=\"nofollow\" data-success_message=\"\u201cReflective tape\u201d byl p\u0159id\u00e1n do ko\u0161\u00edku\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">P\u0159idat do ko\u0161\u00edku<\/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\/cs\/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\/cs\/product\/dynamic-balancer-balanset-1a\/\" title=\"Dynamick\u00fd vyva\u017eova\u010d &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=\"Obsah sady Balanset-1A s jednotkou rozhran\u00ed, senzory, ot\u00e1\u010dkom\u011brem a p\u0159\u00edslu\u0161enstv\u00edm\" 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\/cs\/product-category\/devices\/\" rel=\"tag\">Za\u0159\u00edzen\u00ed<\/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\/cs\/product\/dynamic-balancer-balanset-1a\/\" title=\"Dynamick\u00fd vyva\u017eova\u010d &quot;Balanset-1A&quot; OEM\">Dynamick\u00fd vyva\u017eova\u010d \"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> + DPH (pokud se uplat\u0148uje)<\/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=\"\/cs\/wp-json\/wp\/v2\/glossary\/44?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=\"P\u0159idat do ko\u0161\u00edku\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"P\u0159idat do ko\u0161\u00edku\" 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=\"\/cs\/wp-json\/wp\/v2\/glossary\/44?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=\"P\u0159idat do ko\u0161\u00edku: \u201cDynamic balancer \u201cBalanset-1A\u201d OEM\u201d\" rel=\"nofollow\" data-success_message=\"\u201cDynamic balancer \u201cBalanset-1A\u201d OEM\u201d byl p\u0159id\u00e1n do ko\u0161\u00edku\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">P\u0159idat do ko\u0161\u00edku<\/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>p\u00e1smov\u00e1 propust<\/strong> (BPF) je frekven\u010dn\u011b selektivn\u00ed prvek pro zpracov\u00e1n\u00ed sign\u00e1lu, kter\u00fd umo\u017e\u0148uje <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/vibration\/\">vibrace<\/a> sign\u00e1ly v r\u00e1mci zvolen\u00e9ho frekven\u010dn\u00edho p\u00e1sma propou\u0161t\u011bj\u00ed, zat\u00edmco sign\u00e1ly pod i nad t\u00edmto p\u00e1smem tlum\u00ed. Jedn\u00e1 se v podstat\u011b o kombinaci <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/high-pass-filter\/\">horn\u00ed propust<\/a> (kter\u00fd potla\u010duje n\u00edzk\u00e9 frekvence) a <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/low-pass-filter\/\">dolnopropustn\u00fd filtr<\/a> (kter\u00fd blokuje vysok\u00e9 frekvence) a vytv\u00e1\u0159\u00ed tak \u201eokno\u201c, kter\u00e9 propou\u0161t\u00ed pouze vybran\u00fd st\u0159edn\u00ed frekven\u010dn\u00ed rozsah. Ka\u017ed\u00fd p\u00e1smov\u00fd filtr se charakterizuje t\u0159emi hodnotami: st\u0159edn\u00ed frekvenc\u00ed, \u0161\u00ed\u0159kou p\u00e1sma a \u0159\u00e1dem neboli strmost\u00ed. V oblasti vibra\u010dn\u00ed techniky je p\u00e1smov\u00fd filtr nepostradateln\u00fd pro <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/envelope-analysis\/\">obalov\u00e1 anal\u00fdza<\/a>, k c\u00edlen\u00e9 diagnostice v ur\u010dit\u00e9m frekven\u010dn\u00edm p\u00e1smu a k izolaci slab\u00fdch sign\u00e1l\u016f od \u0161umu t\u00edm, \u017ee se potla\u010d\u00ed v\u0161e mimo po\u017eadovan\u00e9 p\u00e1smo. Jedn\u00e1 se o jeden z nej\u010dast\u011bji pou\u017e\u00edvan\u00fdch n\u00e1stroj\u016f v \u0161ir\u0161\u00ed sad\u011b n\u00e1stroj\u016f <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/signal-filtering\/\">filtrov\u00e1n\u00ed sign\u00e1lu<\/a>.<\/p>\n<h2>1. Parametry filtru<\/h2>\n<h3>St\u0159edn\u00ed frekvence (f\u2080)<\/h3>\n<ul>\n<li>St\u0159ed propustn\u00e9ho p\u00e1sma a bod maxim\u00e1ln\u00ed odezvy filtru.<\/li>\n<li>Zvoleno tak, aby odpov\u00eddalo po\u017eadovan\u00e9mu frekven\u010dn\u00edmu spektru \u2013 obvykle zn\u00e1m\u00e9 rezonan\u010dn\u00ed nebo poruchov\u00e9 frekvenci.<\/li>\n<\/ul>\n<h3>\u0160\u00ed\u0159ka p\u00e1sma (BW)<\/h3>\n<ul>\n<li><strong>Definice:<\/strong> frekven\u010dn\u00ed rozsah mezi body \u22123 dB, f<sub>vysok\u00e1<\/sub> \u2212 f<sub>n\u00edzk\u00e1<\/sub>.<\/li>\n<li><strong>\u00dazk\u00e9 p\u00e1smo:<\/strong> BW &lt; 10 % f\u2080 \u2014 vysoce selektivn\u00ed.<\/li>\n<li><strong>\u0160irok\u00e9 p\u00e1smo:<\/strong> BW &gt; 50 % f\u2080 \u2014 m\u00e9n\u011b selektivn\u00ed.<\/li>\n<li><strong>Faktor Q:<\/strong> Q = f\u2080 \/ BW; vy\u0161\u0161\u00ed hodnota Q znamen\u00e1 u\u017e\u0161\u00ed a selektivn\u011bj\u0161\u00ed filtr.<\/li>\n<\/ul>\n<h3>Charakteristiky filtru<\/h3>\n<ul>\n<li><strong>Doln\u00ed mezn\u00ed hodnota (f<sub>n\u00edzk\u00e1<\/sub>):<\/strong> kde doln\u00ed okraj kles\u00e1 na \u22123 dB.<\/li>\n<li><strong>Horn\u00ed mezn\u00ed hodnota (f<sub>vysok\u00e1<\/sub>):<\/strong> kde horn\u00ed okraj kles\u00e1 na \u22123 dB.<\/li>\n<li><strong>Tvarov\u00fd faktor:<\/strong> pom\u011br \u0161\u00ed\u0159ky zastavovac\u00edho p\u00e1sma k \u0161\u00ed\u0159ce propustn\u00e9ho p\u00e1sma \u2013 m\u011b\u0159\u00edtko toho, jak prudce filtr omezuje pr\u016fchod sign\u00e1lu.<\/li>\n<\/ul>\n<h2>2. Aplikace v anal\u00fdze vibrac\u00ed<\/h2>\n<h3>2.1 Anal\u00fdza ob\u00e1lky \u2013 hlavn\u00ed vyu\u017eit\u00ed<\/h3>\n<p>P\u00e1smov\u00fd filtr p\u0159edstavuje kl\u00ed\u010dov\u00fd prvn\u00ed krok p\u0159i detekci z\u00e1vad v kuli\u010dkov\u00fdch lo\u017eisc\u00edch:<\/p>\n<ul>\n<li><strong>V\u00fdb\u011br p\u00e1sma:<\/strong> obvykle 500 Hz\u201310 kHz nebo 1 kHz\u201320 kHz.<\/li>\n<li><strong>\u00da\u010del:<\/strong> izolovat vysokofrekven\u010dn\u00ed struktur\u00e1ln\u00ed rezonance vyvolan\u00e9 n\u00e1razy lo\u017eisek.<\/li>\n<li><strong>Proces:<\/strong> BPF \u2192 detekce ob\u00e1lky (<a href=\"https:\/\/vibromera.eu\/cs\/glossary\/demodulation\/\">demodulace<\/a>) \u2192 <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/fft\/\">Rychl\u00e1 Fourierova transformace (FFT)<\/a> ob\u00e1lky.<\/li>\n<li><strong>V\u00fdsledek:<\/strong> na <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/bearing-fault-frequencies\/\">frekvence poruch lo\u017eisek<\/a> jasn\u011b vynikaj\u00ed ve v\u00fdsledn\u00e9m <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/envelope-spectrum\/\">ob\u00e1lkov\u00e9 spektrum<\/a>.<\/li>\n<\/ul>\n<h3>2.2 Anal\u00fdza rezonan\u010dn\u00edho p\u00e1sma<\/h3>\n<p>P\u0159esn\u00e9 filtrov\u00e1n\u00ed v okol\u00ed konstruk\u010dn\u00edho prvku nebo lo\u017eiska <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/resonance\/\">rezonance<\/a> odd\u011bl\u00ed energii v dan\u00e9m m\u00f3du od v\u0161ech ostatn\u00edch frekvenc\u00ed, co\u017e v\u00e1m umo\u017en\u00ed posoudit buzen\u00ed a odezvu p\u0159i konkr\u00e9tn\u00ed rezonanci \u2013 jedn\u00e1 se o \u00fa\u010dinn\u00fd n\u00e1stroj p\u0159i \u0159e\u0161en\u00ed probl\u00e9m\u016f s rezonanc\u00ed.<\/p>\n<h3>2.3 Izolace frekven\u010dn\u00edho rozsahu<\/h3>\n<p>Funkce BPF se m\u016f\u017ee zam\u011b\u0159it na zvolen\u00fd diagnostick\u00fd rozsah \u2013 nap\u0159\u00edklad 10\u2013100 Hz pro pr\u00e1ci s n\u00edzk\u00fdmi frekvencemi \u2013 a potla\u010dit tak n\u00edzkofrekven\u010dn\u00ed drift a vysokofrekven\u010dn\u00ed \u0161um, \u010d\u00edm\u017e z\u0159eteln\u011bji vyniknou slo\u017eky, kter\u00e9 v\u00e1s zaj\u00edmaj\u00ed.<\/p>\n<h3>2.4 Izolace z\u00e1b\u011bru ozuben\u00fdch kol<\/h3>\n<p>Vycentrov\u00e1n\u00ed p\u00e1sma na <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/gear-mesh-frequency\/\">frekvence z\u00e1b\u011bru ozuben\u00fdch kol<\/a> propou\u0161t\u00ed tento vrchol a jeho postrann\u00ed p\u00e1sma, zat\u00edmco potla\u010duje ostatn\u00ed stupn\u011b p\u0159evodovky a frekvence lo\u017eisek, co\u017e umo\u017e\u0148uje c\u00edlenou anal\u00fdzu p\u0159evodovky. Pokud je c\u00edlem sledovat m\u011bn\u00edc\u00ed se ot\u00e1\u010dky nam\u00edsto pevn\u00e9ho p\u00e1sma, <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/tracking-filter\/\">sledovac\u00ed filtr<\/a> prov\u00e1d\u00ed stejnou izolaci s ohledem na po\u0159ad\u00ed h\u0159\u00eddel\u00ed.<\/p>\n<h2>3. N\u00e1vrh p\u00e1smov\u00e9ho filtru<\/h2>\n<h3>Kask\u00e1dovan\u00e9 zapojen\u00ed doln\u00ed a horn\u00ed propusti<\/h3>\n<p>Nejb\u011b\u017en\u011bj\u0161\u00ed implementace jednodu\u0161e spojuje dva jednodu\u0161\u0161\u00ed filtry:<\/p>\n<ul>\n<li>Propust vysok\u00fdch frekvenc\u00ed blokuje v\u0161e pod frekvenc\u00ed f<sub>n\u00edzk\u00e1<\/sub>.<\/li>\n<li>Propust n\u00edzk\u00fdch frekvenc\u00ed blokuje v\u0161echny frekvence nad f<sub>vysok\u00e1<\/sub>.<\/li>\n<li>V s\u00e9riov\u00e9m zapojen\u00ed tvo\u0159\u00ed p\u00e1smov\u00fd filtr, p\u0159i\u010dem\u017e ka\u017ed\u00e1 sekce p\u0159isp\u00edv\u00e1 k celkov\u00e9 selektivit\u011b.<\/li>\n<\/ul>\n<h3>P\u0159\u00edm\u00fd n\u00e1vrh p\u00e1smov\u00e9ho filtru<\/h3>\n<p>Alternativn\u011b lze filtr optimalizovat jako jednostup\u0148ov\u00fd nam\u00edsto kask\u00e1dov\u00e9ho. Jeho konstrukce je sice slo\u017eit\u011bj\u0161\u00ed, ale lze s n\u00edm dos\u00e1hnout lep\u0161\u00edch vlastnost\u00ed, a proto se pou\u017e\u00edv\u00e1 pouze pro specializovan\u00e9 aplikace. Bl\u00edzk\u00fdm p\u0159\u00edbuzn\u00fdm je <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/notch-filter\/\">z\u00e1\u0159ezov\u00fd filtr<\/a>, kter\u00fd funguje opa\u010dn\u011b \u2013 potla\u010duje jedno \u00fazk\u00e9 p\u00e1smo a propou\u0161t\u00ed v\u0161e ostatn\u00ed.<\/p>\n<h2>4. Praktick\u00e9 aspekty<\/h2>\n<h3>Kompromisy v oblasti \u0161\u00ed\u0159ky p\u00e1sma<\/h3>\n<p><strong>\u00dazk\u00e9 p\u00e1smo<\/strong> poskytuje lep\u0161\u00ed selektivitu a \u00fa\u010dinn\u011bj\u0161\u00ed potla\u010den\u00ed sousedn\u00edch frekvenc\u00ed, m\u016f\u017ee v\u0161ak p\u0159ehl\u00e9dnout frekven\u010dn\u00ed drift a vy\u017eaduje p\u0159esn\u00e9 lad\u011bn\u00ed \u2013 nejl\u00e9pe se osv\u011bd\u010duje v p\u0159\u00edpadech, kdy je po\u017eadovan\u00e1 frekvence zn\u00e1ma a stabiln\u00ed. <strong>\u0160irok\u00e1 \u0161\u00ed\u0159ka p\u00e1sma<\/strong> zachyt\u00ed frekven\u010dn\u00ed kol\u00eds\u00e1n\u00ed a jeho lad\u011bn\u00ed je mnohem m\u00e9n\u011b n\u00e1ro\u010dn\u00e9, i kdy\u017e za cenu slab\u0161\u00edho potla\u010den\u00ed ne\u017e\u00e1douc\u00edho sign\u00e1lu v okol\u00ed \u2013 nejl\u00e9pe se hod\u00ed v situac\u00edch, kdy se frekvence m\u011bn\u00ed nebo z\u00e1le\u017e\u00ed na cel\u00e9m frekven\u010dn\u00edm rozsahu.<\/p>\n<h3>V\u00fdb\u011br p\u00e1sma pro anal\u00fdzu ob\u00e1lky<\/h3>\n<ul>\n<li><strong>Typick\u00e1 p\u00e1sma:<\/strong> 500\u20132 000 Hz, 1 000\u20135 000 Hz a 5 000\u201320 000 Hz.<\/li>\n<li><strong>V\u00fdb\u011br:<\/strong> vyberte p\u00e1smo s nejv\u00fdrazn\u011bj\u0161\u00edm buzen\u00edm rezonance lo\u017eiska.<\/li>\n<li><strong>Ov\u011b\u0159it:<\/strong> zkontrolujte nezpracovan\u00e9 zrychlen\u00ed <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/spectrum\/\">spektrum<\/a> nejprve tuto rezonanci naj\u00edt.<\/li>\n<li><strong>Optimalizujte:<\/strong> nastavte p\u00e1smo tak, aby byl sign\u00e1l vady lo\u017eiska co nejsiln\u011bj\u0161\u00ed.<\/li>\n<\/ul>\n<h2>5. \u00da\u010dinky filtr\u016f na sign\u00e1l<\/h2>\n<h3>Vlivy \u010dasov\u00fdch pr\u016fb\u011bh\u016f<\/h3>\n<p>s p\u00e1smov\u00fdm filtrem <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/time-waveform\/\">\u010dasov\u00fd pr\u016fb\u011bh<\/a> zobrazuje pouze obsah v propustn\u00e9m p\u00e1smu. U \u00fazk\u00e9ho p\u00e1sma se projevuje jako modulovan\u00e1 nosn\u00e1 vlna; n\u00edzkofrekven\u010dn\u00ed v\u00fdkyvy a vysokofrekven\u010dn\u00ed \u0161um jsou potla\u010deny, co\u017e m\u016f\u017ee v\u00fdrazn\u011b zjednodu\u0161it interpretaci.<\/p>\n<h3>Spektr\u00e1ln\u00ed vlivy<\/h3>\n<p>Ve spektru z\u016fst\u00e1vaj\u00ed amplitudy v propustn\u00e9m p\u00e1smu zachov\u00e1ny, zat\u00edmco amplitudy v blokovan\u00e9m p\u00e1smu jsou potla\u010deny obvykle o 40\u201380 dB. V\u00fdsledkem je \u010dist\u0161\u00ed zobrazen\u00ed zam\u011b\u0159en\u00e9 na po\u017eadovan\u00e9 p\u00e1smo, p\u0159i\u010dem\u017e \u0161umov\u00e1 hladina je sn\u00ed\u017eena v\u0161ude tam, kde se \u0161um vyskytoval mimo propustn\u00e9 p\u00e1smo.<\/p>\n<h2>6. Digit\u00e1ln\u00ed vs. analogov\u00e9 filtry a p\u00e1sma podle frekven\u010dn\u00edho rozsahu<\/h2>\n<h3>Digit\u00e1ln\u00ed vs. analogov\u00e9 filtry<\/h3>\n<p><strong>Analogov\u00fd<\/strong> P\u00e1smov\u00e9 filtry jsou hardwarov\u011b implementov\u00e1ny v sign\u00e1lov\u00e9 cest\u011b, pracuj\u00ed v re\u00e1ln\u00e9m \u010dase, maj\u00ed po sestaven\u00ed pevn\u011b dan\u00e9 charakteristiky a pou\u017e\u00edvaj\u00ed se v <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/aliasing\/\">anti-aliasing<\/a> a zpracov\u00e1n\u00ed sign\u00e1lu. <strong>Digit\u00e1ln\u00ed<\/strong> Filtry zpracov\u00e1vaj\u00ed sign\u00e1l softwarov\u011b po digitalizaci, nab\u00edzej\u00ed nastaviteln\u00e9 parametry a lze je aplikovat nebo odstranit i po shrom\u00e1\u017ed\u011bn\u00ed dat \u2013 proto modern\u00ed analyz\u00e1tory poskytuj\u00ed rozs\u00e1hl\u00e9 mo\u017enosti digit\u00e1ln\u00edch BPF.<\/p>\n<h3>B\u011b\u017en\u00e1 p\u00e1sma podle rozsahu<\/h3>\n<ul>\n<li><strong>N\u00edzkofrekven\u010dn\u00ed (10\u2013200 Hz):<\/strong> anal\u00fdza nevyv\u00e1\u017eenosti a nesouososti, stroje s n\u00edzk\u00fdmi ot\u00e1\u010dkami a vibrace z\u00e1klad\u016f \u010di konstrukc\u00ed.<\/li>\n<li><strong>St\u0159edn\u011bfrekven\u010dn\u00ed (200\u20132 000 Hz):<\/strong> frekvence z\u00e1b\u011bru ozuben\u00fdch kol, frekvence pr\u016fchodu lopatek a lamel a frekvence poruch spodn\u00edch lo\u017eisek.<\/li>\n<li><strong>Vysokofrekven\u010dn\u00ed (2\u201340 kHz):<\/strong> anal\u00fdza ob\u00e1lky poruch lo\u017eisek, vysokofrekven\u010dn\u00ed r\u00e1zov\u00e9 zat\u00ed\u017een\u00ed a vyvol\u00e1n\u00ed rezonance lo\u017eisek.<\/li>\n<\/ul>\n<h2>7. P\u00e1smov\u00e9 filtrov\u00e1n\u00ed v ter\u00e9nu<\/h2>\n<p>V praxi se p\u00e1smov\u00fd filtr pou\u017e\u00edv\u00e1 jen z\u0159\u00eddka samostatn\u011b \u2013 jedn\u00e1 se o jeden z \u010dl\u00e1nk\u016f m\u011b\u0159ic\u00edho \u0159et\u011bzce, kter\u00fd sign\u00e1l tak\u00e9 vzorkuje, omezuje a transformuje, tak\u017ee zvolen\u00e9 p\u00e1smo mus\u00ed spadat do vzorkovac\u00ed \u0161\u00ed\u0159ky p\u00e1sma p\u0159\u00edstroje. P\u0159enosn\u00fd dvoukan\u00e1lov\u00fd analyz\u00e1tor, jako je nap\u0159\u00edklad <a href=\"https:\/\/vibromera.eu\/cs\/produkt\/balanset-1\/\">Balanset-1A<\/a> m\u011b\u0159\u00ed vibrace v rozsahu p\u0159ibli\u017en\u011b 5 Hz a\u017e 1 kHz a rozli\u0161uje 1\u00d7 <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/phase\/\">amplituda a f\u00e1ze<\/a> pot\u0159ebn\u00e9 pro vyva\u017eov\u00e1n\u00ed na m\u00edst\u011b; techniky p\u00e1smov\u00e9ho filtrov\u00e1n\u00ed a ob\u00e1lky pak tento pracovn\u00ed postup dopl\u0148uj\u00ed, kdy\u017e technik pot\u0159ebuje ov\u011b\u0159it, zda je skute\u010dnou p\u0159\u00ed\u010dinou pot\u00ed\u017e\u00ed sp\u00ed\u0161e vysokofrekven\u010dn\u00ed vada lo\u017eiska ne\u017e pouh\u00e1 nevyv\u00e1\u017eitost. P\u0159i p\u0159\u00edprav\u011b takov\u00e9 anal\u00fdzy je <a href=\"https:\/\/vibromera.eu\/cs\/calculators\/fft-resolution-calculator\/\">Kalkula\u010dka rozli\u0161en\u00ed FFT<\/a> pom\u00e1h\u00e1 p\u0159izp\u016fsobit po\u010det kan\u00e1l\u016f a \u0161\u00ed\u0159ku p\u00e1sma p\u00e1smu, kter\u00e9 chcete analyzovat, tak\u017ee t\u011bsn\u011b vedle sebe le\u017e\u00edc\u00ed poruchov\u00e9 kan\u00e1ly a postrann\u00ed p\u00e1sma se navz\u00e1jem nep\u0159ekr\u00fdvaj\u00ed. Zvl\u00e1dnut\u00ed v\u00fdb\u011bru p\u00e1smov\u00fdch filtr\u016f \u2013 zejm\u00e9na pro anal\u00fdzu ob\u00e1lky a izolaci frekven\u010dn\u00edho rozsahu \u2013 je z\u00e1sadn\u00ed pro z\u00edsk\u00e1n\u00ed jasn\u00fdch diagnostick\u00fdch informac\u00ed ze slo\u017eit\u00e9ho vibra\u010dn\u00edho sign\u00e1lu.<\/p>\n<hr>\n<p><a href=\"https:\/\/vibromera.eu\/cs\/glossary\/\">\u2190 Zp\u011bt na hlavn\u00ed index<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Seznamte se s p\u00e1smov\u00fdmi filtry v anal\u00fdze vibrac\u00ed, n\u00e1stroji pro zpracov\u00e1n\u00ed sign\u00e1lu, kter\u00e9 propou\u0161t\u011bj\u00ed frekvence ve vybran\u00e9m p\u00e1smu a z\u00e1rove\u0148 blokuj\u00ed v\u0161echny ostatn\u00ed, co\u017e je nezbytn\u00e9 pro anal\u00fdzu ob\u00e1lek.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[114,109],"tags":[],"class_list":["post-44","glossary","type-glossary","status-publish","hentry","category-analysis","category-glossary"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/glossary\/44","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/glossary"}],"about":[{"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/types\/glossary"}],"version-history":[{"count":1,"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/glossary\/44\/revisions"}],"predecessor-version":[{"id":101372,"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/glossary\/44\/revisions\/101372"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/media?parent=44"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/categories?post=44"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/tags?post=44"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}