{"id":118,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/fft\/"},"modified":"2026-07-17T21:02:46","modified_gmt":"2026-07-17T21:02:46","slug":"fft","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/lv\/glossary\/fft\/","title":{"rendered":"Kas ir FFT (\u0101tr\u0101s Furj\u0113 transform\u0101cijas) metode vibr\u0101cijas anal\u012bz\u0113?"},"content":{"rendered":"<h1>FFT (\u0101tr\u0101s Furj\u0113 transform\u0101cijas) izmanto\u0161ana vibr\u0101ciju anal\u012bz\u0113<\/h1>\n\t\t<section class=\"woocommerce hestia-shop products is-shortcode\" id=\"products\" data-sorder=\"hestia_shop\" >\n\t\t\t\t\t\t<div class=\"\">\n\t\t\t\t\t\t<div class=\"hestia-shop-content\">\n\t\t\t<div class=\"row\" data-aos=\"fade-up\" >\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/lv\/product\/balanset-1\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/lv\/product\/balanset-1\/\" title=\"Portat\u012bvais balansieris un vibr\u0101ciju analizators Balanset-1A\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Balanset-1A pilns p\u0101rn\u0113s\u0101jam\u0101 balansiera un vibr\u0101ciju analizatora komplekts\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-18x12.webp 18w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-272x182.webp 272w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/lv\/product-category\/devices\/\" rel=\"tag\">Ier\u012bces<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/lv\/product\/balanset-1\/\" title=\"Portat\u012bvais balansieris un vibr\u0101ciju analizators Balanset-1A\">Portat\u012bvais balansieris un vibr\u0101ciju analizators Balanset-1A<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>1,975.00<\/span> + PVN (ja piem\u0113rojams)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/lv\/wp-json\/wp\/v2\/glossary\/118?add-to-cart=986\" data-quantity=\"1\" data-product_id=\"986\" data-product_sku=\"BS-1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"Pievienot grozam\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Pievienot grozam\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/lv\/wp-json\/wp\/v2\/glossary\/118?add-to-cart=986\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_986\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"986\" data-product_sku=\"BS-1\" aria-label=\"Add to cart: \u201cPortable balancer &amp; Vibration analyzer Balanset-1A\u201d\" rel=\"nofollow\" data-success_message=\"\u201cPortable balancer &amp; Vibration analyzer Balanset-1A\u201d has been added to your cart\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Pievienot grozam<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_986\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/lv\/product\/vibration-sensor\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/lv\/product\/vibration-sensor\/\" title=\"Vibr\u0101cijas sensors\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Balanset-1A vibr\u0101cijas sensors tuvpl\u0101n\u0101\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-600x400.webp 600w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-300x200.webp 300w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-768x512.webp 768w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-1024x682.webp 1024w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-272x182.webp 272w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3.webp 1280w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/lv\/product-category\/parts\/\" rel=\"tag\">Da\u013cas<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/lv\/product\/vibration-sensor\/\" title=\"Vibr\u0101cijas sensors\">Vibr\u0101cijas sensors<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>90.00<\/span> + PVN (ja piem\u0113rojams)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/lv\/wp-json\/wp\/v2\/glossary\/118?add-to-cart=1820\" data-quantity=\"1\" data-product_id=\"1820\" data-product_sku=\"VS-1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"Pievienot grozam\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Pievienot grozam\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/lv\/wp-json\/wp\/v2\/glossary\/118?add-to-cart=1820\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_1820\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"1820\" data-product_sku=\"VS-1\" aria-label=\"Add to cart: \u201cVibration sensor\u201d\" rel=\"nofollow\" data-success_message=\"\u201cVibration sensor\u201d has been added to your cart\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Pievienot grozam<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_1820\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/lv\/product\/optical-sensor-for-balanset-and-arbalance\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/lv\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Optiskais sensors (l\u0101zera tahometrs)\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Optiskais sensors (l\u0101zera tahometrs)\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-300x200.webp 300w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-1024x682.webp 1024w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-768x512.webp 768w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-1536x1023.webp 1536w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-18x12.webp 18w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-460x306.webp 460w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-600x400.webp 600w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-272x182.webp 272w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU.webp 1600w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/lv\/product-category\/parts\/\" rel=\"tag\">Da\u013cas<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/lv\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Optiskais sensors (l\u0101zera tahometrs)\">Optiskais sensors (l\u0101zera tahometrs)<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>124.00<\/span> + PVN (ja piem\u0113rojams)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/lv\/wp-json\/wp\/v2\/glossary\/118?add-to-cart=1832\" data-quantity=\"1\" data-product_id=\"1832\" data-product_sku=\"Tach-1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"Pievienot grozam\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Pievienot grozam\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/lv\/wp-json\/wp\/v2\/glossary\/118?add-to-cart=1832\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_1832\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"1832\" data-product_sku=\"Tach-1\" aria-label=\"Add to cart: \u201cOptical Sensor (Laser Tachometer)\u201d\" rel=\"nofollow\" data-success_message=\"\u201cOptical Sensor (Laser Tachometer)\u201d has been added to your cart\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Pievienot grozam<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_1832\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/lv\/product\/balanset-4\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/lv\/product\/balanset-4\/\" title=\"balans\u0113\u0161anas komplekts-4\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Vibromera rotora balans\u0113\u0161anas komplekts: p\u0101rn\u0113s\u0101\u0161anas soma, daudzkan\u0101lu sign\u0101la kondicionieris, rokas analizators, magn\u0113tisk\u0101 pamatne, vibr\u0101cijas sensori un spir\u0101lveida kabe\u013ci.\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-300x200.webp 300w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-18x12.webp 18w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-460x306.webp 460w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-600x400.webp 600w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-272x182.webp 272w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4.webp 640w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/lv\/product-category\/devices\/\" rel=\"tag\">Ier\u012bces<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/lv\/product\/balanset-4\/\" title=\"balans\u0113\u0161anas komplekts-4\">balans\u0113\u0161anas komplekts-4<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>6,803.00<\/span> + PVN (ja piem\u0113rojams)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/lv\/wp-json\/wp\/v2\/glossary\/118?add-to-cart=1833\" data-quantity=\"1\" data-product_id=\"1833\" data-product_sku=\"BS-4\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"Pievienot grozam\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Pievienot grozam\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/lv\/wp-json\/wp\/v2\/glossary\/118?add-to-cart=1833\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_1833\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"1833\" data-product_sku=\"BS-4\" aria-label=\"Add to cart: \u201cBalanset-4\u201d\" rel=\"nofollow\" data-success_message=\"\u201cBalanset-4\u201d has been added to your cart\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Pievienot grozam<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_1833\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div><!-- \/.row --><div class=\"row\">\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/lv\/product\/magnet-stand\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/lv\/product\/magnet-stand\/\" title=\"Magn\u0113tiskais stat\u012bvs Insize-60-kgf\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Magn\u0113ta pamatne.\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-600x400.webp 600w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-300x200.webp 300w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-1024x682.webp 1024w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-768x512.webp 768w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-272x182.webp 272w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36.webp 1280w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/lv\/product-category\/parts\/\" rel=\"tag\">Da\u013cas<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/lv\/product\/magnet-stand\/\" title=\"Magn\u0113tiskais stat\u012bvs Insize-60-kgf\">Magn\u0113tiskais stat\u012bvs Insize-60-kgf<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>46.00<\/span> + PVN (ja piem\u0113rojams)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/lv\/wp-json\/wp\/v2\/glossary\/118?add-to-cart=1852\" data-quantity=\"1\" data-product_id=\"1852\" data-product_sku=\"MS-1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"Pievienot grozam\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Pievienot grozam\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/lv\/wp-json\/wp\/v2\/glossary\/118?add-to-cart=1852\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_1852\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"1852\" data-product_sku=\"MS-1\" aria-label=\"Add to cart: \u201cMagnetic Stand Insize-60-kgf\u201d\" rel=\"nofollow\" data-success_message=\"\u201cMagnetic Stand Insize-60-kgf\u201d has been added to your cart\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Pievienot grozam<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_1852\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/lv\/product\/reflective-tape\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/lv\/product\/reflective-tape\/\" title=\"Atstarojo\u0161\u0101 lente\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Atstarojo\u0161\u0101 lente\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-16x12.webp 16w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-460x306.webp 460w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-272x182.webp 272w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/lv\/product-category\/parts\/\" rel=\"tag\">Da\u013cas<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/lv\/product\/reflective-tape\/\" title=\"Atstarojo\u0161\u0101 lente\">Atstarojo\u0161\u0101 lente<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>10.00<\/span> + PVN (ja piem\u0113rojams)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/lv\/wp-json\/wp\/v2\/glossary\/118?add-to-cart=2329\" data-quantity=\"1\" data-product_id=\"2329\" data-product_sku=\"rt-1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"Pievienot grozam\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Pievienot grozam\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/lv\/wp-json\/wp\/v2\/glossary\/118?add-to-cart=2329\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_2329\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"2329\" data-product_sku=\"rt-1\" aria-label=\"Add to cart: \u201cReflective tape\u201d\" rel=\"nofollow\" data-success_message=\"\u201cReflective tape\u201d has been added to your cart\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Pievienot grozam<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_2329\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/lv\/product\/dynamic-balancer-balanset-1a\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/lv\/product\/dynamic-balancer-balanset-1a\/\" title=\"Dinamiskais balans\u0113t\u0101js &quot;Balanset-1A&quot; OEM\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Balanset-1A komplekta saturs ar interfeisa bloku, sensoriem, tahometru un piederumiem\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-600x400.webp 600w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-300x200.webp 300w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-1024x683.webp 1024w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-768x512.webp 768w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-1536x1024.webp 1536w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-2048x1366.webp 2048w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-272x182.webp 272w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-e1732998877834.webp 708w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/lv\/product-category\/devices\/\" rel=\"tag\">Ier\u012bces<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/lv\/product\/dynamic-balancer-balanset-1a\/\" title=\"Dinamiskais balans\u0113t\u0101js &quot;Balanset-1A&quot; OEM\">Dinamiskais balans\u0113t\u0101js \"Balanset-1A\" OEM<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>1,735.00<\/span> + PVN (ja piem\u0113rojams)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/lv\/wp-json\/wp\/v2\/glossary\/118?add-to-cart=4193\" data-quantity=\"1\" data-product_id=\"4193\" data-product_sku=\"BS-1OEM\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"Pievienot grozam\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Pievienot grozam\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/lv\/wp-json\/wp\/v2\/glossary\/118?add-to-cart=4193\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_4193\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"4193\" data-product_sku=\"BS-1OEM\" aria-label=\"Add to cart: \u201cDynamic balancer \u201cBalanset-1A\u201d OEM\u201d\" rel=\"nofollow\" data-success_message=\"\u201cDynamic balancer \u201cBalanset-1A\u201d OEM\u201d has been added to your cart\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Pievienot grozam<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_4193\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/section>\n\t\t\n<p>Port\u0101ls <strong>\u0100tr\u0101 Furj\u0113 transform\u0101cija (FFT)<\/strong> ir \u013coti efekt\u012bvs matem\u0101tisks algoritms, kas p\u0101rveido sign\u0101lu no laika dom\u0113na uz frekven\u010du dom\u0113nu. <a href=\"https:\/\/vibromera.eu\/lv\/glossary\/vibration-analysis\/\">vibr\u0101cijas anal\u012bze<\/a> tas p\u0101rveido neapstr\u0101d\u0101tu, sare\u017e\u0123\u012btu <a href=\"https:\/\/vibromera.eu\/lv\/glossary\/time-waveform\/\">laika vi\u013c\u0146a forma<\/a> \u2014 vibr\u0101cijas amplit\u016bda, att\u0113lota atkar\u012bb\u0101 no laika \u2014 k\u0101 <a href=\"https:\/\/vibromera.eu\/lv\/glossary\/spectrum\/\">frekven\u010du spektrs<\/a>, amplit\u016bda att\u0113lota pret frekvenci. \u0160\u012b vien\u012bg\u0101 transform\u0101cija ir vissvar\u012bg\u0101kais un pamat\u0101 eso\u0161ais process m\u016bsdienu ma\u0161\u012bnu diagnostik\u0101; bez t\u0101s vibr\u0101cijas sign\u0101ls ir nekas vair\u0101k k\u0101 nesaprotams raksts.<\/p>\n<h2>1. Defin\u012bcija: Kas ir FFT?<\/h2>\n<p>FFT nav m\u0113r\u012bjums, bet gan apr\u0113\u0137ins. T\u0101 ir diskr\u0113t\u0101s F\u016briera transform\u0101cijas \u0101tra \u012bsteno\u0161ana, kas, izmantojot matem\u0101tisk\u0101s simetrijas, milisekund\u0113s paveic to, kam cit\u0101di b\u016btu nepiecie\u0161ams daudz ilg\u0101ks laiks, t\u0101p\u0113c to var izmantot re\u0101llaik\u0101 ar rokas instrumentu. T\u0101s pamat\u0101, pateicoties F\u016brieram, ir pie\u0146\u0113mums, ka jebkuru sare\u017e\u0123\u012btu periodisku sign\u0101lu var rekonstru\u0113t k\u0101 vienk\u0101r\u0161u sinusa vi\u013c\u0146u summu ar da\u017e\u0101d\u0101m frekvenc\u0113m un amplit\u016bd\u0101m. FFT \u0161o ideju izmanto pret\u0113j\u0101 virzien\u0101: ievadiet taj\u0101 sare\u017e\u0123\u012btu vi\u013c\u0146u formu, un t\u0101 atgriez\u012bs sinusa vi\u013c\u0146u sarakstu, no kuriem t\u0101 ir veidota.<\/p>\n<h2>2. K\u0101p\u0113c FFT ir b\u016btiska diagnostik\u0101<\/h2>\n<p>Neapstr\u0101d\u0101ts laika sign\u0101ls no darbojo\u0161\u0101s iek\u0101rtas ir daudzu vienlaikus notieko\u0161u sv\u0101rst\u012bbu juceklis, un p\u0113c \u0161\u0101da sign\u0101la ar ac\u012bm vien ir gandr\u012bz neiesp\u0113jami nov\u0113rt\u0113t iek\u0101rtas st\u0101vokli. FFT darbojas k\u0101 prizma, sadalot sare\u017e\u0123\u012bto sign\u0101lu atsevi\u0161\u0137\u0101s frekvences sast\u0101vda\u013c\u0101s. Rezult\u0101ts ir skaidrs, praktiski izmantojams grafiks, kas \u013cauj anal\u012bti\u0137im redz\u0113t:<\/p>\n<ul>\n<li><strong>K\u0101das frekvences ir kl\u0101t?<\/strong><\/li>\n<li><strong>Cik daudz ener\u0123ijas (amplit\u016bdas) ir katr\u0101 frekvenc\u0113?<\/strong><\/li>\n<li><strong>K\u0101da ir saist\u012bba starp \u0161\u012bm frekvenc\u0113m \u2014 harmonik\u0101m, s\u0101nu josl\u0101m un taml\u012bdz\u012bgiem lielumiem?<\/strong><\/li>\n<\/ul>\n<p>T\u0101 k\u0101 da\u017e\u0101das meh\u0101niskas un elektriskas k\u013c\u016bmes \u2014 <a href=\"https:\/\/vibromera.eu\/lv\/glossary\/unbalance\/\">nel\u012bdzsvarot\u012bba<\/a>, <a href=\"https:\/\/vibromera.eu\/lv\/glossary\/misalignment\/\">v\u0101rpstu nesakrit\u012bba<\/a>, <a href=\"https:\/\/vibromera.eu\/lv\/glossary\/bearing-defects\/\">gult\u0146u defekti<\/a>un <a href=\"https:\/\/vibromera.eu\/lv\/glossary\/looseness\/\">va\u013c\u012bgums<\/a> \u2014 katrs no tiem rada vibr\u0101cijas \u013coti konkr\u0113t\u0101s, paredzam\u0101s frekvenc\u0113s, un \u0161is spektrs sniedz tie\u0161u ce\u013cvedi uz probl\u0113mas pamatc\u0113loni. \u0160is skat\u012bjums frekven\u010du jom\u0101 ir pamats visam <a href=\"https:\/\/vibromera.eu\/lv\/glossary\/spectral-analysis\/\">spektr\u0101l\u0101 anal\u012bze<\/a>.<\/p>\n<h2>3. FFT anal\u012bzes galvenie parametri<\/h2>\n<p>Lai ieg\u016btu noder\u012bgu spektru, anal\u012bti\u0137is datu v\u0101c\u0113j\u0101 vai programm\u0101 iestata vair\u0101kus parametrus. Ja tie ir nepareizi, var nepaman\u012bt re\u0101lu defektu; ja tie ir pareizi, defekts izce\u013cas skaidri.<\/p>\n<h3>Fmax (maksim\u0101l\u0101 frekvence)<\/h3>\n<p>Augst\u0101k\u0101 spektr\u0101 iek\u013caut\u0101 frekvence. Tai j\u0101b\u016bt pietiekami augstai, lai uztvertu interes\u0113jo\u0161os augstfrekvences defektus - augstfrekvences <a href=\"https:\/\/vibromera.eu\/lv\/glossary\/gear-mesh-frequency\/\">zobratu re\u017e\u0123is<\/a> vai, piem\u0113ram, gult\u0146u frekvences - ta\u010du ne tik augstu, lai tiktu zaud\u0113tas zemfrekvences deta\u013cas. Lai nov\u0113rstu <a href=\"https:\/\/vibromera.eu\/lv\/glossary\/aliasing\/\">izl\u012bdzin\u0101\u0161ana<\/a>, instrumenti piem\u0113ro pretali\u0101ses filtru <a href=\"https:\/\/vibromera.eu\/lv\/glossary\/low-pass-filter\/\">zemfrekvences filtrs<\/a> zem\u0101k par paraugu \u0146em\u0161anas frekvenci pirms FFT apr\u0113\u0137in\u0101\u0161anas.<\/p>\n<h3>Iz\u0161\u0137irtsp\u0113ja (iz\u0161\u0137irtsp\u0113jas l\u012bnijas)<\/h3>\n<p>Tas nosaka detaliz\u0101cijas pak\u0101pi \u2014 atsevi\u0161\u0137o frekven\u010du \u201ejoslu\u201c skaitu, kas apr\u0113\u0137in\u0101ts vis\u0101 Fmax diapazon\u0101. Liel\u0101ks joslu skaits (piem\u0113ram, 3200 vai 6400) nodro\u0161ina augst\u0101ku iz\u0161\u0137irtsp\u0113ju, kas noz\u012bm\u0113 lab\u0101ku sp\u0113ju no\u0161\u0137irt divas frekvences, kuras atrodas tuvu viena otrai. Augsta iz\u0161\u0137irtsp\u0113ja ir b\u016btiska, lai at\u0161\u0137irtu p\u0101rkl\u0101\u0161an\u0101s frekvences vai iz\u0161\u0137irtu tuvu eso\u0161\u0101s <a href=\"https:\/\/vibromera.eu\/lv\/glossary\/sidebands\/\">s\u0101nu joslas<\/a> p\u0101rnesumk\u0101rbas anal\u012bz\u0113. T\u0101 k\u0101 joslas platums ir vien\u0101ds ar Fmax, dal\u012btu ar l\u012bniju skaitu, vienm\u0113r past\u0101v kompromiss starp diapazonu un detaliz\u0113t\u012bbu; <a href=\"https:\/\/vibromera.eu\/lv\/calculators\/fft-resolution-calculator\/\">FFT iz\u0161\u0137irtsp\u0113jas kalkulators<\/a> par\u0101da ieg\u016bto joslas platumu un ieg\u016b\u0161anas laiku jebkuram iestat\u012bjumam, k\u0101 ar\u012b <a href=\"https:\/\/vibromera.eu\/lv\/glossary\/zoom-fft\/\">T\u0101lummai\u0146as FFT<\/a> var apvienot visas pieejam\u0101s l\u012bnijas \u0161aur\u0101 josl\u0101, ja nepiecie\u0161ama v\u0113l prec\u012bz\u0101ka no\u0161\u0137ir\u0161ana.<\/p>\n<h3>Vid\u0113jais r\u0101d\u012bt\u0101js<\/h3>\n<p>T\u0101 k\u0101 ma\u0161\u012bnas vibr\u0101cijas sv\u0101rst\u0101s, viens FFT momentuz\u0146\u0113mums var rad\u012bt maldino\u0161u iespaidu. Vid\u0113jo\u0161anas proces\u0101 tiek \u0101tri p\u0113c k\u0101rtas ieg\u016bti vair\u0101ki FFT rezult\u0101ti un apvienoti, t\u0101d\u0113j\u0101di samazinot nejau\u0161os trok\u0161\u0146us un ieg\u016bstot daudz stabil\u0101ku, atk\u0101rtojamu spektru, kas patiesi atspogu\u013co ma\u0161\u012bnas st\u0101vokli.<\/p>\n<h3>Logu veido\u0161ana<\/h3>\n<p>A <a href=\"https:\/\/vibromera.eu\/lv\/glossary\/windowing\/\">loga funkcija<\/a> \u2014 visbie\u017e\u0101k <a href=\"https:\/\/vibromera.eu\/lv\/glossary\/hanning-window\/\">Hanninga logs<\/a> \u2014 ir matem\u0101tiska sv\u0113r\u0161ana, ko piem\u0113ro laika datiem pirms transform\u0101cijas. T\u0101 samazina k\u013c\u016bdu, ko sauc par <a href=\"https:\/\/vibromera.eu\/lv\/glossary\/spectral-leakage\/\">spektr\u0101l\u0101 nopl\u016bde<\/a>, kas cit\u0101di izklied\u0113tu asu maksimumu pa blakus eso\u0161ajiem frekven\u010du interv\u0101liem un izkrop\u013cotu gan t\u0101 amplit\u016bdu, gan \u0161\u0137ietamo frekvenci.<\/p>\n<h2>4. FFT spektra interpret\u0101cija<\/h2>\n<p>Pieredz\u0113jis anal\u012bti\u0137is interpret\u0113 spektru, atpaz\u012bstot rakstur\u012bgos mode\u013cus:<\/p>\n<ul>\n<li>Liela virsotne pie <strong>1\u00d7 <a href=\"https:\/\/vibromera.eu\/lv\/glossary\/running-speed\/\">darba \u0101trums<\/a><\/strong> nor\u0101da uz nel\u012bdzsvarot\u012bbu.<\/li>\n<li>Liela virsotne pie <strong>2\u00d7<\/strong> darb\u012bbas \u0101truma komponente bie\u017ei liecina par v\u0101rpstu nesakrit\u012bbu.<\/li>\n<li>Ilga s\u0113rija <strong><a href=\"https:\/\/vibromera.eu\/lv\/glossary\/harmonics\/\">harmonikas<\/a><\/strong> (1\u00d7, 2\u00d7, 3\u00d7, 4\u00d7\u2026) ir klasiska meh\u0101niska va\u013c\u012bguma paz\u012bme.<\/li>\n<li>Augstfrekvences p\u012b\u0137is ar s\u0101nu josl\u0101m, kuru atstatums atbilst darb\u012bbas \u0101trumam, ir rakstur\u012bga p\u0101rnesumk\u0101rbas vai gult\u0146a defekta paz\u012bme.<\/li>\n<li>Paaugstin\u0101ts platjoslas trok\u0161\u0146a \u201efons\u201c var liecin\u0101t par <a href=\"https:\/\/vibromera.eu\/lv\/glossary\/cavitation\/\">kavit\u0101cija<\/a> s\u016bk\u0146a darb\u012bb\u0101 vai visp\u0101r\u0113j\u0101 berz\u0113.<\/li>\n<\/ul>\n<p>Sal\u012bdzinot pa\u0161reiz\u0113jo spektru ar <a href=\"https:\/\/vibromera.eu\/lv\/glossary\/baseline\/\">b\u0101zes l\u012bnija<\/a> ja dati ir re\u0123istr\u0113ti br\u012bd\u012b, kad iek\u0101rta darboj\u0101s bez trauc\u0113jumiem, anal\u012bti\u0137is var paman\u012bt izmai\u0146as un diagnostic\u0113t topo\u0161as probl\u0113mas ilgi pirms t\u0101s p\u0101raug kritisk\u0101s k\u013c\u016bm\u0113s.<\/p>\n<h2>5. FFT praktiskajos lauka m\u0113r\u012bjumos<\/h2>\n<p>P\u0101rn\u0113s\u0101jam\u0101 ier\u012bc\u0113 FFT tiek apr\u0113\u0137in\u0101ta uz vietas, izmantojot re\u0101llaika <a href=\"https:\/\/vibromera.eu\/lv\/glossary\/accelerometer\/\">akselerometrs<\/a> signal. The <a href=\"https:\/\/vibromera.eu\/lv\/produkts\/balansesanas-komplekts-1\/\">Balanset-1A<\/a>, divkan\u0101lu lauka analizators, re\u0123istr\u0113 laika sign\u0101la formu un par\u0101da t\u0101 spektru diapazon\u0101 no aptuveni 5 Hz l\u012bdz 1000 Hz, t\u0101d\u0113j\u0101di in\u017eenieris var noteikt darb\u012bbas \u0101truma p\u012b\u0137i, t\u0101s harmonikas, k\u0101 ar\u012b jebk\u0101dus gult\u0146u vai zobratu rad\u012btos to\u0146us ma\u0161\u012bn\u0101. Kombin\u0113jot ar tahometra impulsu, kas tiek \u0123ener\u0113ts reizi vien\u0101 apgriezien\u0101, \u0161is pats datu kopums nodro\u0161ina f\u0101\u017eu balans\u0113\u0161anu, savuk\u0101rt <a href=\"https:\/\/vibromera.eu\/lv\/glossary\/order-analysis\/\">pas\u016bt\u012bjumu anal\u012bze<\/a> var spektru p\u0101rr\u0113\u0137in\u0101t atbilsto\u0161i darba \u0101truma daudzk\u0101rt\u0146iem iek\u0101rt\u0101s ar main\u012bgu \u0101trumu \u2014 t\u0101d\u0113j\u0101di p\u0101rv\u0113r\u0161ot FFT no statiska grafika par uz vietas diagnostikas un balans\u0113\u0161anas darba pl\u016bsmas dzin\u0113jsp\u0113ku.<\/p>\n<hr>\n<p><a href=\"https:\/\/vibromera.eu\/lv\/glossary\/\">\u2190 Atpaka\u013c uz galveno indeksu<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Uzziniet par \u0101tro Furj\u0113 transform\u0101ciju (FFT) \u2014 m\u016bsdienu vibr\u0101ciju anal\u012bzes st\u016brakmeni. Izprotiet, k\u0101 FFT p\u0101rveido laika vi\u013c\u0146u formas datus frekven\u010du spektr\u0101, lai diagnostic\u0113tu ma\u0161\u012bnu defektus.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[114,109],"tags":[],"class_list":["post-118","glossary","type-glossary","status-publish","hentry","category-analysis","category-glossary"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/lv\/wp-json\/wp\/v2\/glossary\/118","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vibromera.eu\/lv\/wp-json\/wp\/v2\/glossary"}],"about":[{"href":"https:\/\/vibromera.eu\/lv\/wp-json\/wp\/v2\/types\/glossary"}],"version-history":[{"count":4,"href":"https:\/\/vibromera.eu\/lv\/wp-json\/wp\/v2\/glossary\/118\/revisions"}],"predecessor-version":[{"id":102815,"href":"https:\/\/vibromera.eu\/lv\/wp-json\/wp\/v2\/glossary\/118\/revisions\/102815"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/lv\/wp-json\/wp\/v2\/media?parent=118"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/lv\/wp-json\/wp\/v2\/categories?post=118"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/lv\/wp-json\/wp\/v2\/tags?post=118"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}