{"id":313,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/zoom-fft\/"},"modified":"2026-07-03T09:57:43","modified_gmt":"2026-07-03T09:57:43","slug":"zoom-fft","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/et\/glossary\/zoom-fft\/","title":{"rendered":"Mis on Zoom FFT? K\u00f5rglahutusega spektraalanal\u00fc\u00fcs"},"content":{"rendered":"<h1>Zoom FFT m\u00f5istmine<\/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\/et\/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\/et\/product\/balanset-1\/\" title=\"Kaasaskantav tasakaalustaja ja vibratsiooni anal\u00fcsaator 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 t\u00e4iskomplektiga kaasaskantav tasakaalustaja ja vibratsioonianal\u00fcsaator\" 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\/et\/product-category\/devices\/\" rel=\"tag\">Seadmed<\/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\/et\/product\/balanset-1\/\" title=\"Kaasaskantav tasakaalustaja ja vibratsiooni anal\u00fcsaator Balanset-1A\">Kaasaskantav tasakaalustaja ja vibratsiooni anal\u00fcsaator 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> + k\u00e4ibemaks (kui on kohaldatav)<\/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=\"\/et\/wp-json\/wp\/v2\/glossary\/313?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=\"Lisa korvi\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Lisa korvi\" 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=\"\/et\/wp-json\/wp\/v2\/glossary\/313?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=\"\">Lisa korvi<\/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\/et\/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\/et\/product\/vibration-sensor\/\" title=\"Vibratsiooniandur\">\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 vibratsiooniandur l\u00e4hivaates\" 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\/et\/product-category\/parts\/\" rel=\"tag\">Osad<\/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\/et\/product\/vibration-sensor\/\" title=\"Vibratsiooniandur\">Vibratsiooniandur<\/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> + k\u00e4ibemaks (kui on kohaldatav)<\/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=\"\/et\/wp-json\/wp\/v2\/glossary\/313?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=\"Lisa korvi\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Lisa korvi\" 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=\"\/et\/wp-json\/wp\/v2\/glossary\/313?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=\"\">Lisa korvi<\/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\/et\/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\/et\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Optiline andur (lasertahhomeeter)\">\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=\"Optiline andur (lasertahhomeeter)\" 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\/et\/product-category\/parts\/\" rel=\"tag\">Osad<\/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\/et\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Optiline andur (lasertahhomeeter)\">Optiline andur (lasertahhomeeter)<\/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> + k\u00e4ibemaks (kui on kohaldatav)<\/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=\"\/et\/wp-json\/wp\/v2\/glossary\/313?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=\"Lisa korvi\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Lisa korvi\" 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=\"\/et\/wp-json\/wp\/v2\/glossary\/313?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=\"\">Lisa korvi<\/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\/et\/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\/et\/product\/balanset-4\/\" title=\"Balanset-4\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Vibromera rootori tasakaalustuskomplekt: kandekott, mitmekanaliline signaalimuundur, k\u00e4eshoitav anal\u00fcsaator, magnetiline alus, vibratsiooniandurid ja spiraalkaablid.\" 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\/et\/product-category\/devices\/\" rel=\"tag\">Seadmed<\/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\/et\/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> + k\u00e4ibemaks (kui on kohaldatav)<\/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=\"\/et\/wp-json\/wp\/v2\/glossary\/313?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=\"Lisa korvi\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Lisa korvi\" 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=\"\/et\/wp-json\/wp\/v2\/glossary\/313?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=\"\">Lisa korvi<\/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\/et\/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\/et\/product\/magnet-stand\/\" title=\"Magnetiline alus 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=\"Magnetip\u00f5hi.\" 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\/et\/product-category\/parts\/\" rel=\"tag\">Osad<\/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\/et\/product\/magnet-stand\/\" title=\"Magnetiline alus Insize 60 kgf\">Magnetiline alus 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> + k\u00e4ibemaks (kui on kohaldatav)<\/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=\"\/et\/wp-json\/wp\/v2\/glossary\/313?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=\"Lisa korvi\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Lisa korvi\" 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=\"\/et\/wp-json\/wp\/v2\/glossary\/313?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=\"\">Lisa korvi<\/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\/et\/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\/et\/product\/reflective-tape\/\" title=\"Helkurlint\">\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=\"Helkurlint\" 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\/et\/product-category\/parts\/\" rel=\"tag\">Osad<\/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\/et\/product\/reflective-tape\/\" title=\"Helkurlint\">Helkurlint<\/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> + k\u00e4ibemaks (kui on kohaldatav)<\/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=\"\/et\/wp-json\/wp\/v2\/glossary\/313?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=\"Lisa korvi\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Lisa korvi\" 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=\"\/et\/wp-json\/wp\/v2\/glossary\/313?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=\"\">Lisa korvi<\/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\/et\/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\/et\/product\/dynamic-balancer-balanset-1a\/\" title=\"D\u00fcnaamiline tasakaalustaja &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 komplekti sisu koos liideseseadme, andurite, tahhomeetri ja tarvikutega\" 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\/et\/product-category\/devices\/\" rel=\"tag\">Seadmed<\/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\/et\/product\/dynamic-balancer-balanset-1a\/\" title=\"D\u00fcnaamiline tasakaalustaja &quot;Balanset-1A&quot; OEM\">D\u00fcnaamiline tasakaalustaja \"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> + k\u00e4ibemaks (kui on kohaldatav)<\/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=\"\/et\/wp-json\/wp\/v2\/glossary\/313?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=\"Lisa korvi\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Lisa korvi\" 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=\"\/et\/wp-json\/wp\/v2\/glossary\/313?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=\"\">Lisa korvi<\/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><strong>Suumi FFT<\/strong> \u2014 mida nimetatakse ka k\u00f5rglahutusega FFT-ks v\u00f5i sageduszoomiks \u2014 on selle <a href=\"https:\/\/vibromera.eu\/et\/glossary\/fft\/\">Kiire Fourier&#039; teisendus<\/a> mis koondab v\u00e4ga hea sageduslahutusv\u00f5ime valitud kitsasse sagedusribasse, selle asemel et seda h\u00f5redalt \u00fcle kogu sagedusala laiali jaotada <a href=\"https:\/\/vibromera.eu\/et\/glossary\/spectrum\/\">spekter<\/a>. Selle asemel, et anal\u00fc\u00fcsida sagedusvahemikku 0\u20131000 Hz 1 Hz t\u00e4psusega (1000 joont), v\u00f5ib suum-FFT anal\u00fc\u00fcsida sagedusvahemikku 95\u2013105 Hz 0,01 Hz t\u00e4psusega \u2013 samad 1000 joont, kuid k\u00f5ik need on koondatud 10 Hz aknasse. See sajakordne t\u00e4psuse suurendamine v\u00f5imaldab anal\u00fc\u00fctikul eristada tihedalt paiknevaid komponente, nagu n\u00e4iteks <a href=\"https:\/\/vibromera.eu\/et\/glossary\/sidebands\/\">k\u00fclgribad<\/a>, m\u00e4\u00e4rata kindlaks t\u00e4pne tippfrekvents ja uurida \u00fcht spektri piirkonda v\u00e4ga p\u00f5hjalikult.<\/p>\n<h2>1. M\u00f5iste: resolutsioon seal, kus see on oluline<\/h2>\n<p>Zoom FFT on parim valik juhul, kui diagnostiline teave asub piikides, mis on \u00fcksteisele liiga l\u00e4hedal, et neid tavalise spektriga eristada. K\u00f5ige t\u00fc\u00fcpilisemad n\u00e4ited on mootor <a href=\"https:\/\/vibromera.eu\/et\/glossary\/broken-rotor-bars\/\">katkised rootorivardad<\/a> (v\u00e4ikeste pooluste m\u00f6\u00f6dumissageduse k\u00fclgribade eraldamine \u2014 vahekaugusega pooluste arv \u00d7 <a href=\"https:\/\/vibromera.eu\/et\/glossary\/slip-frequency\/\">libisemissagedus<\/a> \u2014 umbes 1\u00d7 p\u00f6\u00f6rlemissageduse \u00fcmber), <a href=\"https:\/\/vibromera.eu\/et\/glossary\/gear-defects\/\">K\u00e4iguprobleemid<\/a> (v\u00f5rgusageduse \u00fcmbruse modulatsioonimustri lugemine) ning igas olukorras, kus kaks olulist piiki muidu \u00fchineksid \u00fcheks \u00e4hmaseks laiguks.<\/p>\n<h2>2. Miks on vaja Zoom FFT-d<\/h2>\n<h3>Tavalise FFT eraldusv\u00f5ime<\/h3>\n<p>Iga tavaline FFT j\u00e4rgib \u00fcht v\u00e4ltimatut seost:<\/p>\n<blockquote><p>Resolutsioon = F<sub>max<\/sub> \u00f7 Ridade arv.<\/p><\/blockquote>\n<p>N\u00e4iteks vahemik 0\u20131000 Hz 800 joonega annab lahutusv\u00f5imeks 1.25 Hz \u2014 ja kahte tippu, mis on teineteisele l\u00e4hemal kui 1.25 Hz, ei saa lihtsalt eristada. See on t\u00f5eline probleem elektririkete puhul, kus huvipakkuvad pooluste m\u00f6\u00f6dumissageduse k\u00fclgribad on sageli keskse tipu suhtes vaid m\u00f5ne hertsi \u2014 m\u00f5nikord vaevalt 1\u20132 Hz \u2014 kaugusel.<\/p>\n<h3>J\u00f5uv\u00f5ttega seotud kompromissid<\/h3>\n<ul>\n<li><strong>V\u00e4hendada F<sub>max<\/sub>:<\/strong> sagedusvahemiku v\u00e4hendamine 0\u2013100 Hz-ni parandab eraldusv\u00f5imet 0,125 Hz-ni, kuid kaotab kogu k\u00f5rgemate sageduste sisu.<\/li>\n<li><strong>Suurenda ridade arvu:<\/strong> 8000 rida saavutab samuti sageduse 0,125 Hz, kuid n\u00f5uab palju t\u00f6\u00f6tlemisaega ja m\u00e4lu.<\/li>\n<li><strong>Suumi FFT:<\/strong> pakub k\u00f5rget eraldusv\u00f5imet just seal, kus seda vajatakse, hoides samas arvutuskoormuse m\u00f5istlikuna \u2013 parim m\u00f5lemast maailmast.<\/li>\n<\/ul>\n<p>Saad neid kompromisse enne m\u00f5\u00f5tmist tasuta eelvaatena vaadata <a href=\"https:\/\/vibromera.eu\/et\/calculators\/fft-resolution-calculator\/\">FFT resolutsiooni kalkulaator<\/a>, mis seob vahemiku, ridade arvu ja eraldusv\u00f5ime otseselt omavahel.<\/p>\n<h2>3. Kuidas t\u00f6\u00f6tab Zoom FFT<\/h2>\n<p>See meetod on digitaalne \u201eluup\u201d, mis koosneb kolmest signaalit\u00f6\u00f6tlusetapist:<\/p>\n<ol>\n<li><strong>Vali b\u00e4nd:<\/strong> valige keskmine sagedus ja ribalaius, n\u00e4iteks 100 Hz \u00b1 10 Hz.<\/li>\n<li><strong>Sageduse nihke:<\/strong> muutma selle sagedusriba digitaalselt madalamaks, nii et huvipakkuv piirkond j\u00e4\u00e4b sinna, kus FFT-i eraldusv\u00f5ime on loomulikult suurim.<\/li>\n<li><strong>H\u00e4vitamine:<\/strong> v\u00e4hendada diskreetimissagedust proportsionaalselt kitsenenud ribalaiusega.<\/li>\n<li><strong>FFT-arvutus:<\/strong> rakenda teisendust v\u00e4hendatud sagedusega signaalile.<\/li>\n<li><strong>Tulemus:<\/strong> k\u00f5rge eraldusv\u00f5imega spekter, mis h\u00f5lmab ainult valitud kitsast sagedusriba.<\/li>\n<\/ol>\n<p>Kasu suureneb proportsionaalselt suumimise ulatusega: suumides k\u00fcmnendikuni t\u00e4isulatusest, saavutatakse k\u00fcmme korda suurem eraldusv\u00f5ime, seega eraldusv\u00f5ime kasv on lihtsalt (t\u00e4isulatus \u00f7 suumitud ulatus). \u00dcleminek sagedusvahemikult 0\u20131000 Hz (1 Hz sammuga) aknale 95\u2013105 Hz (0,01 Hz sammuga) t\u00e4hendab eraldusv\u00f5ime sajakordset kasvu.<\/p>\n<h2>4. Rakendused<\/h2>\n<h3>Mootori rootori ribide defektide tuvastamine<\/h3>\n<p>Klassikaline suurendusega FFT \u00fclesanne. Pooluste l\u00e4bimise sageduse k\u00fclgribad (pooluste arv \u00d7 libistussagedus), mis paiknevad 1\u00d7 tipust vaid m\u00f5ne hertsi kaugusel, on standardspektris eraldamiseks liiga l\u00e4hestikku, seet\u00f5ttu on vaja 1\u00d7 \u00fcmbruse suurendust <a href=\"https:\/\/vibromera.eu\/et\/glossary\/running-speed\/\">t\u00f6\u00f6kiirus<\/a> sagedusel 0,1 Hz v\u00f5i paremal eraldab need selgelt ja toob esile <a href=\"https:\/\/vibromera.eu\/et\/glossary\/broken-rotor-bars\/\">katkised rootorivardad<\/a>. K\u00f5rvalriba amplituud v\u00f5rreldes 1\u00d7 tippv\u00e4\u00e4rtusega n\u00e4itab, mitu baari on katkenud.<\/p>\n<h3>Seadmete diagnostika<\/h3>\n<p>Zoomi \u00fcmber <a href=\"https:\/\/vibromera.eu\/et\/glossary\/gear-mesh-frequency\/\">hammasrataste hambumissagedus<\/a> v\u00f5lli p\u00f6\u00f6rlemiskiiruse j\u00e4rgi paigutatud k\u00fclgribade lahendamiseks tuleb kindlaks teha <a href=\"https:\/\/vibromera.eu\/et\/glossary\/hunting-tooth-frequency\/\">jahindus-hammas-sagedus<\/a> mustrid ning eristada hammasratta k\u00fclgribasid hammasrattast tulenevatest k\u00fclgribadest. Vaba <a href=\"https:\/\/vibromera.eu\/et\/calculators\/gear-mesh-frequency\/\">Hammasrataste hambumissageduse kalkulaator<\/a> n\u00e4itab, kuhu suum esialgu keskendada.<\/p>\n<h3>Laagrite anal\u00fc\u00fcs<\/h3>\n<p>Zoomi \u00fcmber <a href=\"https:\/\/vibromera.eu\/et\/glossary\/bearing-fault-frequencies\/\">laagririkete sagedused<\/a> et m\u00e4\u00e4rata kindlaks nende k\u00fclgribastruktuur, kontrollida t\u00e4pset h\u00e4ire sagedust arvutatud v\u00e4\u00e4rtuse suhtes ja lugeda modulatsioonimustrit, mis <a href=\"https:\/\/vibromera.eu\/et\/glossary\/envelope-analysis\/\">\u00fcmbrisk\u00f5vera anal\u00fc\u00fcs<\/a> muidu kaasneks.<\/p>\n<h3>Elektrilise sageduse anal\u00fc\u00fcs<\/h3>\n<p>Suurenda vaadet v\u00f5rgusageduse v\u00f5i 2\u00d7 v\u00f5rgusageduse \u00fcmber, et eraldada k\u00fclgribad, mille vahekaugus on <a href=\"https:\/\/vibromera.eu\/et\/glossary\/pole-pass-frequency\/\">poolide vaheline sagedus<\/a> vooluga seotud vibratsioonis, ja m\u00f5\u00f5da see vahe t\u00e4pselt.<\/p>\n<h3>Kriitilise kiiruse uuringud<\/h3>\n<p>Suurenda kahtlustatava \u00fcmbrust <a href=\"https:\/\/vibromera.eu\/et\/glossary\/natural-frequency\/\">omasagedus<\/a> parandada <a href=\"https:\/\/vibromera.eu\/et\/glossary\/resonance\/\">resonants<\/a> t\u00e4pselt ja m\u00f5\u00f5ta resonantsipiigi laius, millest <a href=\"https:\/\/vibromera.eu\/et\/glossary\/damping\/\">summutamine<\/a> on v\u00f5imalik hinnata.<\/p>\n<h2>5. T\u00f6\u00f6kord<\/h2>\n<h3>Seadistamine<\/h3>\n<ol>\n<li><strong>K\u00e4ivita k\u00f5igepealt tavaline FFT<\/strong> et leida huvipakkuv piirkond \u2013 suumimine ei ole kunagi esimene samm pimesi.<\/li>\n<li><strong>Vali keskus<\/strong> suumimissagedus.<\/li>\n<li><strong>Valige ajavahemik<\/strong> \u2014 kitsam t\u00e4hendab suuremat eraldusv\u00f5imet.<\/li>\n<li><strong>M\u00e4\u00e4ra ridade arv<\/strong> (tavaliselt sama mis standardne FFT).<\/li>\n<li><strong>Omandada<\/strong> ja laske seadmel suum arvutada.<\/li>\n<\/ol>\n<h3>T\u00fc\u00fcpilised seaded<\/h3>\n<ul>\n<li><strong>Mootori k\u00fclgribad:<\/strong> keskpunkt 1\u00d7 (30 Hz), vahemik \u00b110 Hz, 800 joont \u2192 eraldusv\u00f5ime 0,025 Hz.<\/li>\n<li><strong>Hammasrataste v\u00f5rgusilmad:<\/strong> keskpunkt GMF-il (600 Hz), vahemik \u00b150 Hz, 1600 joont \u2192 eraldusv\u00f5ime 0,0625 Hz.<\/li>\n<li><strong>Laagriviga:<\/strong> keskus aadressil <a href=\"https:\/\/vibromera.eu\/et\/glossary\/bpfo\/\">BPFO<\/a> (150 Hz), vahemik \u00b125 Hz, 800 joont \u2192 eraldusv\u00f5ime 0,0625 Hz.<\/li>\n<\/ul>\n<h2>6. Eelised<\/h2>\n<ul>\n<li><strong>K\u00f5rge eraldusv\u00f5ime:<\/strong> 10\u2013100 korda t\u00e4psem kui tavaline FFT, eristades piike, mida muidu oleks v\u00f5imatu eristada, ning toob esile diagnostilisi \u00fcksikasju.<\/li>\n<li><strong>Arvutuslik t\u00f5husus:<\/strong> palju odavam kui liinide arvu suurendamine kogu spektri ulatuses \u2013 kiirem ja v\u00e4iksema m\u00e4lukasutusega.<\/li>\n<li><strong>Sageduse t\u00e4pne m\u00f5\u00f5tmine:<\/strong> m\u00e4\u00e4rab kindlaks t\u00e4pse tippfrekventsi, et seda saaks v\u00f5rrelda teoreetilise arvutusega, kinnitades v\u00f5i \u00fcmber l\u00fckates kahtluse <a href=\"https:\/\/vibromera.eu\/et\/glossary\/diagnosis\/\">diagnoos<\/a>.<\/li>\n<\/ul>\n<h2>7. Piirangud<\/h2>\n<ul>\n<li><strong>Ainult kitsasriba:<\/strong> see kuvab ainult valitud piirkonda ja ei v\u00f5ta arvesse midagi selle v\u00e4ljaspool olevat, seega peate juba ligikaudselt teadma, kuhu vaadata \u2013 seet\u00f5ttu ongi esmalt toodud standard-FFT \u00fclevaade.<\/li>\n<li><strong>Kasutajalt n\u00f5utavad teadmised:<\/strong> M\u00f5istliku keskpunkti ja vahemiku valimine eeldab arusaama sellest, mida otsitakse, mist\u00f5ttu zoom-FFT ei sobi \u00fcldiseks s\u00f5elumiseks ja on tavalisest FFT-st keerulisem.<\/li>\n<li><strong>Ajakulu:<\/strong> see on standardm\u00f5\u00f5tmisele lisanduv t\u00e4iendav m\u00f5\u00f5tmine, mille seadistamine ja parameetrite valik on \u00f5igustatud pigem kriitiliste seadmete v\u00f5i juba kinnitust leidnud probleemide puhul kui rutiinsete uuringute korral.<\/li>\n<\/ul>\n<h2>8. FFT-suurendamine v\u00e4litingimustes<\/h2>\n<p>Kuigi k\u00f5ige p\u00f5hjalikum suumimine on sageli ette n\u00e4htud p\u00fcsivalt seadmetega varustatud kriitilise t\u00e4htsusega masinate jaoks, on sama p\u00f5him\u00f5te hindamatu v\u00e4\u00e4rtusega ka kaasaskantavate diagnostikaseadmete puhul. P\u00e4rast rutiinset <a href=\"https:\/\/vibromera.eu\/et\/glossary\/pollu-tasakaalustamine\/\">kohapealne tasakaalustamine<\/a> uuring, kahekanaliline anal\u00fcsaator, n\u00e4iteks <a href=\"https:\/\/vibromera.eu\/et\/toode\/balanset-1\/\">Balanset-1A<\/a> v\u00f5imaldab inseneril laiendada spektri kahtlast piirkonda \u2013 n\u00e4iteks umbes 1\u00d7 t\u00f6\u00f6k\u00e4igu kiiruse juures \u2013, et kindlaks teha, kas k\u00f5rgenenud piik on puhas <a href=\"https:\/\/vibromera.eu\/et\/glossary\/imbalance\/\">tasakaalustamatus<\/a> v\u00f5i selle all peituv elektriliste k\u00fclgribade kogum. See eristus m\u00e4\u00e4rab, kas lahenduseks on tasakaalu korrigeerimine v\u00f5i mootori remont, mist\u00f5ttu on kohapeal tihedalt asetsevate piikide eristamine nii kasulik.<\/p>\n<p>L\u00fchidalt \u00f6eldes on zoom-FFT v\u00f5imas spektraalanal\u00fc\u00fcsi t\u00f6\u00f6riist, mis pakub piisavat eraldusv\u00f5imet, et eristada mootori elektriliste rikete, hammasrataste defektide ja laagrite probleemide taga peituvaid tihedalt paiknevaid komponente. Oskus teada, millal seda kasutada, kuidas valida keskpunkti ja vahemikku ning kuidas t\u00f5lgendada saadud k\u00f5rge eraldusv\u00f5imega spektrit, on edasij\u00f5udnud spetsialisti tunnuseks <a href=\"https:\/\/vibromera.eu\/et\/glossary\/vibration-analysis\/\">vibratsioonianal\u00fc\u00fcs<\/a> ning keeruliste masinate p\u00f5hjalik veadiagnostika.<\/p>\n<hr>\n<p><a href=\"https:\/\/vibromera.eu\/et\/glossary\/\">\u2190 Tagasi p\u00f5hiindeksi juurde<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Siit saate teada suum-FFT-st, spektraalanal\u00fc\u00fcsi tehnikast, mis pakub k\u00f5rget sagedusresolutsiooni valitud kitsastes sagedusribades ja on oluline l\u00e4hestikku asetsevate piikide eraldamiseks ja k\u00fclgribade anal\u00fc\u00fcsiks.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[114,109],"tags":[],"class_list":["post-313","glossary","type-glossary","status-publish","hentry","category-analysis","category-glossary"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/et\/wp-json\/wp\/v2\/glossary\/313","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vibromera.eu\/et\/wp-json\/wp\/v2\/glossary"}],"about":[{"href":"https:\/\/vibromera.eu\/et\/wp-json\/wp\/v2\/types\/glossary"}],"version-history":[{"count":2,"href":"https:\/\/vibromera.eu\/et\/wp-json\/wp\/v2\/glossary\/313\/revisions"}],"predecessor-version":[{"id":102165,"href":"https:\/\/vibromera.eu\/et\/wp-json\/wp\/v2\/glossary\/313\/revisions\/102165"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/et\/wp-json\/wp\/v2\/media?parent=313"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/et\/wp-json\/wp\/v2\/categories?post=313"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/et\/wp-json\/wp\/v2\/tags?post=313"}],"curies":[{"name":"t\u00f6\u00f6leht","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}