{"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\/lt\/glossary\/zoom-fft\/","title":{"rendered":"Kas yra \u201eZoom FFT\u201c? Didel\u0117s skiriamosios gebos spektrin\u0117 analiz\u0117"},"content":{"rendered":"<h1>Zoom FFT supratimas<\/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\/lt\/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\/lt\/product\/balanset-1\/\" title=\"Ne\u0161iojamas balansavimo \u012frenginys ir vibracijos analizatorius 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 pilno komplekto ne\u0161iojamas balansavimo \u012frenginys ir vibracijos analizatorius\" 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\/lt\/product-category\/devices\/\" rel=\"tag\">\u012erenginiai<\/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\/lt\/product\/balanset-1\/\" title=\"Ne\u0161iojamas balansavimo \u012frenginys ir vibracijos analizatorius Balanset-1A\">Ne\u0161iojamas balansavimo \u012frenginys ir vibracijos analizatorius Balanset-1A<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">&euro;<\/span>1,975.00<\/span> + PVM (jei taikoma)<\/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=\"\/lt\/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=\"\u012e krep\u0161el\u012f\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"\u012e krep\u0161el\u012f\" 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=\"\/lt\/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=\"\">\u012e krep\u0161el\u012f<\/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\/lt\/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\/lt\/product\/vibration-sensor\/\" title=\"Vibracijos jutiklis\">\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=\"&quot;Balanset-1A&quot; vibracijos jutiklis stambiu planu\" 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\/lt\/product-category\/parts\/\" rel=\"tag\">Dalys<\/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\/lt\/product\/vibration-sensor\/\" title=\"Vibracijos jutiklis\">Vibracijos jutiklis<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">&euro;<\/span>90.00<\/span> + PVM (jei taikoma)<\/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=\"\/lt\/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=\"\u012e krep\u0161el\u012f\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"\u012e krep\u0161el\u012f\" 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=\"\/lt\/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=\"\">\u012e krep\u0161el\u012f<\/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\/lt\/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\/lt\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Optinis jutiklis (lazerinis tachometras)\">\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=\"Optinis jutiklis (lazerinis tachometras)\" 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\/lt\/product-category\/parts\/\" rel=\"tag\">Dalys<\/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\/lt\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Optinis jutiklis (lazerinis tachometras)\">Optinis jutiklis (lazerinis tachometras)<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">&euro;<\/span>124.00<\/span> + PVM (jei taikoma)<\/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=\"\/lt\/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=\"\u012e krep\u0161el\u012f\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"\u012e krep\u0161el\u012f\" 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=\"\/lt\/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=\"\">\u012e krep\u0161el\u012f<\/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\/lt\/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\/lt\/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 rotoriaus balansavimo rinkinys: ne\u0161iojimo d\u0117klas, daugiakanalis signalo kondicionierius, rankinis analizatorius, magnetinis pagrindas, vibracijos jutikliai ir susukti kabeliai.\" 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\/lt\/product-category\/devices\/\" rel=\"tag\">\u012erenginiai<\/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\/lt\/product\/balanset-4\/\" title=\"Balanset-4\">Balanset-4<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">&euro;<\/span>6,803.00<\/span> + PVM (jei taikoma)<\/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=\"\/lt\/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=\"\u012e krep\u0161el\u012f\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"\u012e krep\u0161el\u012f\" 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=\"\/lt\/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=\"\">\u012e krep\u0161el\u012f<\/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\/lt\/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\/lt\/product\/magnet-stand\/\" title=\"Magnetinis stovas 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=\"Magneto pagrindas.\" 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\/lt\/product-category\/parts\/\" rel=\"tag\">Dalys<\/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\/lt\/product\/magnet-stand\/\" title=\"Magnetinis stovas Insize-60-kgf\">Magnetinis stovas 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\">&euro;<\/span>46.00<\/span> + PVM (jei taikoma)<\/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=\"\/lt\/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=\"\u012e krep\u0161el\u012f\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"\u012e krep\u0161el\u012f\" 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=\"\/lt\/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=\"\">\u012e krep\u0161el\u012f<\/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\/lt\/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\/lt\/product\/reflective-tape\/\" title=\"Atspindinti juosta\">\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=\"Atspindinti juosta\" 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\/lt\/product-category\/parts\/\" rel=\"tag\">Dalys<\/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\/lt\/product\/reflective-tape\/\" title=\"Atspindinti juosta\">Atspindinti juosta<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">&euro;<\/span>10.00<\/span> + PVM (jei taikoma)<\/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=\"\/lt\/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=\"\u012e krep\u0161el\u012f\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"\u012e krep\u0161el\u012f\" 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=\"\/lt\/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=\"\">\u012e krep\u0161el\u012f<\/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\/lt\/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\/lt\/product\/dynamic-balancer-balanset-1a\/\" title=\"Dinaminis balansavimo \u012frenginys &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=\"&quot;Balanset-1A&quot; rinkinio turinys su s\u0105sajos bloku, jutikliais, tachometru ir priedais\" 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\/lt\/product-category\/devices\/\" rel=\"tag\">\u012erenginiai<\/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\/lt\/product\/dynamic-balancer-balanset-1a\/\" title=\"Dinaminis balansavimo \u012frenginys &quot;Balanset-1A&quot; OEM\">Dinaminis balansavimo \u012frenginys \"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\">&euro;<\/span>1,735.00<\/span> + PVM (jei taikoma)<\/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=\"\/lt\/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=\"\u012e krep\u0161el\u012f\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"\u012e krep\u0161el\u012f\" 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=\"\/lt\/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=\"\">\u012e krep\u0161el\u012f<\/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>FFT priartinimas<\/strong> \u2014 dar vadinama didel\u0117s skiriamosios gebos FFT arba da\u017enio priartinimu \u2014 yra pa\u017eangus <a href=\"https:\/\/vibromera.eu\/lt\/glossary\/fft\/\">Greitoji Furj\u0117 transformacija<\/a> kuris labai auk\u0161t\u0105 da\u017eni\u0173 skiriam\u0105j\u0105 geb\u0105 sutelkia pasirinktame siaurame da\u017eni\u0173 juostoje, o ne i\u0161skirsto j\u0105 plonu sluoksniu per vis\u0105 <a href=\"https:\/\/vibromera.eu\/lt\/glossary\/spectrum\/\">spektras<\/a>. Vietoj to, kad analizuot\u0173 0\u20131000 Hz da\u017eni\u0173 diapazon\u0105 su 1 Hz skiriam\u0105ja geba (1000 eilu\u010di\u0173), \u201eZoom FFT\u201c gali analizuoti 95\u2013105 Hz diapazon\u0105 su 0,01 Hz skiriam\u0105ja geba \u2013 vis tiek 1000 eilu\u010di\u0173, bet visos jos sutelktos \u012f 10 Hz lang\u0105. \u0160is \u0161imteriopas i\u0161ry\u0161kinimas leid\u017eia analitikui i\u0161skirti arti viena kitos esan\u010dias sudedam\u0105sias dalis, pavyzd\u017eiui, <a href=\"https:\/\/vibromera.eu\/lt\/glossary\/sidebands\/\">\u0161onin\u0117s juostos<\/a>, nustatyti tiksl\u0173 did\u017eiausi\u0105 da\u017en\u012f ir i\u0161samiai i\u0161tirti vien\u0105 spektro srit\u012f.<\/p>\n<h2>1. Apibr\u0117\u017eimas: skiriamoji geba ten, kur tai svarbiausia<\/h2>\n<p>\u201eZoom FFT\u201c yra tinkamiausias \u012frankis tais atvejais, kai diagnostin\u0117 informacija gl\u016bdi pernelyg arti vienas kito esan\u010diuose pikuose, kad juos b\u016bt\u0173 galima atskirti naudojant \u012fprast\u0105 spektr\u0105. Tipi\u0161kiausi atvejai yra susij\u0119 su variklio <a href=\"https:\/\/vibromera.eu\/lt\/glossary\/broken-rotor-bars\/\">suged\u0119 rotoriaus strypai<\/a> (atskiriant smulkias poli\u0173 pra\u0117jimo \u0161onines juostas \u2014 i\u0161d\u0117stytas pagal poli\u0173 skai\u010di\u0173 \u00d7 <a href=\"https:\/\/vibromera.eu\/lt\/glossary\/slip-frequency\/\">slydimo da\u017enis<\/a> \u2014 aplink 1\u00d7 darbin\u012f greit\u012f), <a href=\"https:\/\/vibromera.eu\/lt\/glossary\/gear-defects\/\">gear problems<\/a> (skaitant moduliacijos model\u012f aplink tinklin\u012f da\u017en\u012f) ir bet kokioje situacijoje, kai dvi svarbios smail\u0117s prie\u0161ingu atveju susiliet\u0173 \u012f vien\u0105 nery\u0161k\u0173 masyv\u0105.<\/p>\n<h2>2. Kod\u0117l reikalingas \u201eZoom FFT\u201c<\/h2>\n<h3>Standartinio FFT skiriamoji geba<\/h3>\n<p>Kiekviena \u012fprasta FFT atitinka vien\u0105 nei\u0161vengiam\u0105 ry\u0161\u012f:<\/p>\n<blockquote><p>Resolution = F<sub>max<\/sub> \u00f7 Eilu\u010di\u0173 skai\u010dius.<\/p><\/blockquote>\n<p>Pavyzd\u017eiui, 0\u20131000 Hz diapazonas su 800 linij\u0173 suteikia 1.25 Hz skiriam\u0105j\u0105 geb\u0105 \u2014 ir dviej\u0173 pik\u0173, esan\u010di\u0173 ar\u010diau nei 1.25 Hz, tiesiog ne\u012fmanoma atskirti. Tai reali problema elektriniams gedimams, kai dominantys poli\u0173 pra\u0117jimo \u0161onini\u0173 juost\u0173 komponentai da\u017enai yra vos u\u017e keli\u0173 herc\u0173 \u2014 kartais tik 1\u20132 Hz \u2014 nuo centrinio piko.<\/p>\n<h3>Brute force metodo privalumai ir tr\u016bkumai<\/h3>\n<ul>\n<li><strong>Reduce F<sub>max<\/sub>:<\/strong> Suma\u017einus da\u017eni\u0173 diapazon\u0105 iki 0\u2013100 Hz, skiriamoji geba padid\u0117ja iki 0,125 Hz, ta\u010diau prarandamas visas auk\u0161tesni\u0173 da\u017eni\u0173 turinys.<\/li>\n<li><strong>Padidinkite eilu\u010di\u0173 skai\u010di\u0173:<\/strong> 8000 eilu\u010di\u0173 taip pat pasiekia 0,125 Hz da\u017en\u012f, ta\u010diau tai reikalauja daug apdorojimo laiko ir atminties.<\/li>\n<li><strong>Mastelio keitimo FFT:<\/strong> u\u017etikrina auk\u0161t\u0105 skiriam\u0105j\u0105 geb\u0105 b\u016btent ten, kur to reikia, tuo pa\u010diu i\u0161laikydama priimtin\u0105 skai\u010diavimo sud\u0117tingum\u0105 \u2013 tai geriausias abiej\u0173 savybi\u0173 derinys.<\/li>\n<\/ul>\n<p>Prie\u0161 atliekant matavimus, \u0161iuos kompromisus galite \u012fvertinti naudodami nemokam\u0105 <a href=\"https:\/\/vibromera.eu\/lt\/calculators\/fft-resolution-calculator\/\">FFT skiriamosios gebos skai\u010diuokl\u0117<\/a>, kuri tiesiogiai susieja tarpo ilg\u012f, eilu\u010di\u0173 skai\u010di\u0173 ir skiriam\u0105j\u0105 geb\u0105.<\/p>\n<h2>3. Kaip veikia \u201eZoom FFT\u201c<\/h2>\n<p>\u0160i technologija \u2013 tai skaitmeninis \u201edidinamojo stiklo\u201c principu veikiantis \u012frenginys, susidedantis i\u0161 trij\u0173 signal\u0173 apdorojimo etap\u0173:<\/p>\n<ol>\n<li><strong>Pasirinkite grup\u0119:<\/strong> pasirinkite centrin\u012f da\u017en\u012f ir da\u017eni\u0173 juost\u0105, pavyzd\u017eiui, 100 Hz \u00b1 10 Hz.<\/li>\n<li><strong>Da\u017enio poslinkis:<\/strong> skaitmeniniu b\u016bdu perkelti t\u0105 juost\u0105 \u017eemyn link nuolatin\u0117s srov\u0117s (pagrindin\u0117s juostos), kad tiriamas regionas atsidurt\u0173 ten, kur FFT skiriamoji geba yra nat\u016braliai did\u017eiausia.<\/li>\n<li><strong>De\u0161imacija:<\/strong> suma\u017einti diskretizacijos da\u017en\u012f proporcingai susiaurintam da\u017eni\u0173 juostos plo\u010dio intervalui.<\/li>\n<li><strong>FFT skai\u010diavimas:<\/strong> atlikti transformavim\u0105 suma\u017einto da\u017enio signalui.<\/li>\n<li><strong>Rezultatas:<\/strong> auk\u0161tos skiriamosios gebos spektras, apimantis tik pasirinkt\u0105 siaur\u0105 juost\u0105.<\/li>\n<\/ol>\n<p>Nauda tiesiogiai priklauso nuo to, kiek padidinate mastel\u012f: padidinus mastel\u012f iki de\u0161imtosios visos skal\u0117s dalies, skiriamoji geba padid\u0117ja de\u0161imt kart\u0173, taigi skiriamosios gebos padid\u0117jimas apskai\u010diuojamas papras\u010diausiai taip: (visos skal\u0117s plotis \u00f7 mastelio plotis). Per\u0117jimas nuo 0\u20131000 Hz intervalo 1 Hz \u017eingsniu prie 95\u2013105 Hz intervalo 0,01 Hz \u017eingsniu rei\u0161kia \u0161imteriop\u0105 padid\u0117jim\u0105.<\/p>\n<h2>4. Parai\u0161kos<\/h2>\n<h3>Variklio rotoriaus strypo defekt\u0173 nustatymas<\/h3>\n<p>Klasikin\u0117 priartintos FFT u\u017eduotis. Poliaus per\u0117jimo da\u017enio \u0161onin\u0117s juostos (poli\u0173 skai\u010dius \u00d7 slydimo da\u017enis), nuo 1\u00d7 piko nutolusios tik keliais hercais, yra per arti, kad jas b\u016bt\u0173 galima atskirti standartiniame spektre, tod\u0117l priartinimas aplink 1\u00d7 <a href=\"https:\/\/vibromera.eu\/lt\/glossary\/running-speed\/\">darbinis greitis<\/a> 0,1 Hz da\u017eniu ar geresniu juos ai\u0161kiai atskiria ir i\u0161ry\u0161kina <a href=\"https:\/\/vibromera.eu\/lt\/glossary\/broken-rotor-bars\/\">suged\u0119 rotoriaus strypai<\/a>. \u0160onin\u0117s juostos amplitud\u0117, palyginti su 1\u00d7 smail\u0117s verte, rodo, kiek juost\u0173 yra per\u017eengtos.<\/p>\n<h3>Pavar\u0173 diagnostika<\/h3>\n<p>Priartinti aplink <a href=\"https:\/\/vibromera.eu\/lt\/glossary\/gear-mesh-frequency\/\">krumpliara\u010di\u0173 susikabinimo da\u017enis<\/a> siekiant nustatyti \u0161onines juostas, kuri\u0173 tarpas priklauso nuo veleno sukimosi da\u017enio, nustatyti <a href=\"https:\/\/vibromera.eu\/lt\/glossary\/hunting-tooth-frequency\/\">med\u017eiokl\u0117s dant\u0173 da\u017enis<\/a> \u0161ablonus ir atskirti krumpli\u0173 \u0161onines juostas nuo krumpli\u0173 \u0161onini\u0173 juost\u0173. Laisvas <a href=\"https:\/\/vibromera.eu\/lt\/calculators\/gear-mesh-frequency\/\">Krumpliara\u010di\u0173 sujungimo da\u017enio skai\u010diuokl\u0117<\/a> nurodo, kur i\u0161 prad\u017ei\u0173 reikia sutelkti priartinim\u0105.<\/p>\n<h3>Guoli\u0173 analiz\u0117<\/h3>\n<p>Priartinti aplink <a href=\"https:\/\/vibromera.eu\/lt\/glossary\/bearing-fault-frequencies\/\">guoli\u0173 gedim\u0173 da\u017eniai<\/a> nustatyti j\u0173 \u0161onin\u0117s juostos strukt\u016br\u0105, patikrinti, ar gedimo da\u017enis atitinka apskai\u010diuot\u0105j\u0105 vert\u0119, ir nustatyti moduliacijos model\u012f, kuris <a href=\"https:\/\/vibromera.eu\/lt\/glossary\/envelope-analysis\/\">gaubtin\u0117s analiz\u0117<\/a> kitaip tur\u0117t\u0173.<\/p>\n<h3>Elektrinio da\u017enio analiz\u0117<\/h3>\n<p>Padidinkite mastel\u012f ties tinklo da\u017eniu arba 2\u00d7 tinklo da\u017eniu, kad atskirtum\u0117te \u0161onines juostas, i\u0161d\u0117stytas pagal <a href=\"https:\/\/vibromera.eu\/lt\/glossary\/pole-pass-frequency\/\">poli\u0173 per\u0117jimo da\u017enis<\/a> srov\u0117s sukeltoje vibracijoje ir tiksliai i\u0161matuotum\u0117te t\u0105 tarp\u0105.<\/p>\n<h3>Tyrimai, susij\u0119 su kritiniu grei\u010diu<\/h3>\n<p>Padidinkite \u012ftariamojo vaizd\u0105 <a href=\"https:\/\/vibromera.eu\/lt\/glossary\/natural-frequency\/\">savasis da\u017enis<\/a> to fix the <a href=\"https:\/\/vibromera.eu\/lt\/glossary\/resonance\/\">rezonansas<\/a> tiksliai ir i\u0161matuoti rezonanso piko plot\u012f, i\u0161 kurio <a href=\"https:\/\/vibromera.eu\/lt\/glossary\/damping\/\">slopinimas<\/a> galima apskai\u010diuoti.<\/p>\n<h2>5. Darbo tvarka<\/h2>\n<h3>S\u0105ranka<\/h3>\n<ol>\n<li><strong>Pirmiausia atlikite standartin\u012f FFT<\/strong> norint rasti dominan\u010di\u0105 srit\u012f \u2014 priartinimas niekada netur\u0117t\u0173 b\u016bti pirmasis \u017eingsnis.<\/li>\n<li><strong>Pasirinkite centr\u0105<\/strong> priartinimo da\u017enis.<\/li>\n<li><strong>Pasirinkti diapazon\u0105<\/strong> \u2014 kuo siauresnis, tuo didesn\u0117 skiriamoji geba.<\/li>\n<li><strong>Nustatyti eilu\u010di\u0173 skai\u010di\u0173<\/strong> (paprastai sutampa su standartine FFT).<\/li>\n<li><strong>Acquire<\/strong> ir leiskite prietaisui apskai\u010diuoti priartinim\u0105.<\/li>\n<\/ol>\n<h3>Tipiniai nustatymai<\/h3>\n<ul>\n<li><strong>Variklio \u0161onin\u0117s juostos:<\/strong> centras 1\u00d7 (30 Hz), diapazonas \u00b110 Hz, 800 eilu\u010di\u0173 \u2192 0,025 Hz skiriamoji geba.<\/li>\n<li><strong>Pavaros tinklelis:<\/strong> centras GMF (600 Hz), diapazonas \u00b150 Hz, 1600 eilu\u010di\u0173 \u2192 0,0625 Hz skiriamoji geba.<\/li>\n<li><strong>Guolio gedimas:<\/strong> centre at <a href=\"https:\/\/vibromera.eu\/lt\/glossary\/bpfo\/\">BPFO<\/a> (150 Hz), diapazonas \u00b125 Hz, 800 eilu\u010di\u0173 \u2192 0,0625 Hz skiriamoji geba.<\/li>\n<\/ul>\n<h2>6. Advantages<\/h2>\n<ul>\n<li><strong>Didel\u0117 skiriamoji geba:<\/strong> 10\u2013100 kart\u0173 tikslesnis nei standartinis FFT, leid\u017eia atskirti pikus, kuri\u0173 kitaip ne\u012fmanoma i\u0161skirti, ir atskleid\u017eia diagnostin\u0119 informacij\u0105.<\/li>\n<li><strong>Skaitmeninio apdorojimo efektyvumas:<\/strong> tai kur kas pigiau nei didinti eilu\u010di\u0173 skai\u010di\u0173 visame spektre \u2013 grei\u010diau ir u\u017eimant ma\u017eiau atminties.<\/li>\n<li><strong>Tikslus da\u017enio matavimas:<\/strong> nustato tiksl\u0173 did\u017eiausi\u0105 da\u017en\u012f, kad j\u012f b\u016bt\u0173 galima palyginti su teoriniais skai\u010diavimais ir taip patvirtinti arba paneigti \u012ftarim\u0105 <a href=\"https:\/\/vibromera.eu\/lt\/glossary\/diagnosis\/\">diagnoz\u0117<\/a>.<\/li>\n<\/ul>\n<h2>7. Limitations<\/h2>\n<ul>\n<li><strong>Tik siaurajuos\u010diu ry\u0161iu:<\/strong> jis rodo tik pasirinkt\u0105 srit\u012f ir neatsi\u017evelgia \u012f visk\u0105, kas yra u\u017e jos rib\u0173, tod\u0117l j\u016bs jau turite apytikriai \u017einoti, kur ie\u0161koti \u2013 tod\u0117l pirmiausia pateikiama standartinio FFT ap\u017evalga.<\/li>\n<li><strong>Reikalingos vartotojo \u017einios:<\/strong> Norint pasirinkti tinkam\u0105 centr\u0105 ir interval\u0105, reikia suprasti, ko ie\u0161kote, tod\u0117l \u201eZoom FFT\u201c metodas netinka bendram atrankiniam tyrimui ir yra sud\u0117tingesnis nei paprastas FFT.<\/li>\n<li><strong>Laiko s\u0105naudos:<\/strong> tai papildoma priemon\u0117, taikoma kartu su standartine, o jos diegimas ir parametr\u0173 parinkimas yra pateisinami tik kriti\u0161kai svarbi\u0173 \u012frengini\u0173 atveju arba esant jau patvirtintoms problemoms, o ne atliekant \u012fprastus patikrinimus.<\/li>\n<\/ul>\n<h2>8. FFT vaizdo priartinimas lauke<\/h2>\n<p>Nors giliausias vaizdo priartinimas da\u017eniausiai taikomas nuolat stebimoms kriti\u0161kai svarbioms ma\u0161inoms, tas pats principas yra nepakei\u010diamas ir ne\u0161iojam\u0173j\u0173 diagnostikos prietais\u0173 atveju. Atlikus \u012fprast\u0105 <a href=\"https:\/\/vibromera.eu\/lt\/glossary\/lauko-balansavimas\/\">lauko balansavimas<\/a> tyrimas, dviej\u0173 kanal\u0173 analizatorius, pavyzd\u017eiui, <a href=\"https:\/\/vibromera.eu\/lt\/produktas\/balansavimas-1\/\">Balanset-1A<\/a> leid\u017eia in\u017einieriui i\u0161pl\u0117sti \u012ftartin\u0105 spektro srit\u012f \u2013 tarkim, ma\u017edaug 1\u00d7 grei\u010dio at\u017evilgiu \u2013 siekiant patvirtinti, ar i\u0161kil\u0119s pikas yra grynas <a href=\"https:\/\/vibromera.eu\/lt\/glossary\/imbalance\/\">disbalansas<\/a> arba po juo pasisl\u0117pusi\u0173 elektros \u0161onini\u0173 juost\u0173 grup\u0119. Nuo \u0161io skirtumo priklauso, ar reikia atlikti balanso koregavim\u0105, ar variklio remont\u0105, tod\u0117l labai naudinga vietoje sugeb\u0117ti atskirti arti viena kitos esan\u010dius smailius.<\/p>\n<p>Trumpai tariant, \u201eZoom FFT\u201c yra galinga spektrin\u0117 priemon\u0117, u\u017etikrinanti reikiam\u0105 skiriam\u0105j\u0105 geb\u0105, kad b\u016bt\u0173 galima i\u0161skirti glaud\u017eiai susijusius komponentus, lemian\u010dius variklio elektrinius gedimus, pavar\u0173 defektus ir guoli\u0173 problemas. Geb\u0117jimas nuspr\u0119sti, kada j\u0105 naudoti, kaip pasirinkti centr\u0105 ir diapazon\u0105 bei kaip interpretuoti gaut\u0105 didel\u0117s skiriamosios gebos spektr\u0105, yra pa\u017eengusio specialisto po\u017eymis <a href=\"https:\/\/vibromera.eu\/lt\/glossary\/vibration-analysis\/\">vibracijos analiz\u0117<\/a> ir i\u0161sami gedim\u0173 diagnostika sud\u0117tingose ma\u0161inose.<\/p>\n<hr>\n<p><a href=\"https:\/\/vibromera.eu\/lt\/glossary\/\">\u2190 Atgal \u012f pagrindin\u0119 rodykl\u0119<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Su\u017einokite apie mastelio keitimo FFT \u2013 spektrin\u0117s analiz\u0117s technik\u0105, u\u017etikrinan\u010di\u0105 auk\u0161t\u0105 da\u017eni\u0173 skiriam\u0105j\u0105 geb\u0105 pasirinktose siaurose juostose, b\u016btin\u0105 norint i\u0161spr\u0119sti arti esan\u010dius pikus ir analizuoti \u0161onines juostas.<\/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\/lt\/wp-json\/wp\/v2\/glossary\/313","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vibromera.eu\/lt\/wp-json\/wp\/v2\/glossary"}],"about":[{"href":"https:\/\/vibromera.eu\/lt\/wp-json\/wp\/v2\/types\/glossary"}],"version-history":[{"count":2,"href":"https:\/\/vibromera.eu\/lt\/wp-json\/wp\/v2\/glossary\/313\/revisions"}],"predecessor-version":[{"id":102165,"href":"https:\/\/vibromera.eu\/lt\/wp-json\/wp\/v2\/glossary\/313\/revisions\/102165"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/lt\/wp-json\/wp\/v2\/media?parent=313"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/lt\/wp-json\/wp\/v2\/categories?post=313"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/lt\/wp-json\/wp\/v2\/tags?post=313"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}