{"id":311,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/windowing\/"},"modified":"2026-05-23T22:40:35","modified_gmt":"2026-05-23T22:40:35","slug":"windowing","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/tl\/glossary\/windowing\/","title":{"rendered":"Ano ang Windowing sa FFT Analysis?"},"content":{"rendered":"<h1>Pag-unawa sa Windowing sa FFT Analysis<\/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\/tl\/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\/tl\/product\/balanset-1\/\" title=\"Portable balancer at Vibration analyzer 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 full kit portable na balancer at vibration analyzer\" 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\/tl\/product-category\/devices\/\" rel=\"tag\">Devices<\/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\/tl\/product\/balanset-1\/\" title=\"Portable balancer at Vibration analyzer Balanset-1A\">Portable na balancer &#038; vibration analyzer na 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> + VAT (kung naaangkop)<\/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=\"\/tl\/wp-json\/wp\/v2\/glossary\/311?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=\"Add to cart\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Add to cart\" 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=\"\/tl\/wp-json\/wp\/v2\/glossary\/311?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=\"\">Add to cart<\/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\/tl\/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\/tl\/product\/vibration-sensor\/\" title=\"Sensor ng vibraci\u00f3n\">\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 vibration sensor close-up\" 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\/tl\/product-category\/parts\/\" rel=\"tag\">Parts<\/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\/tl\/product\/vibration-sensor\/\" title=\"Sensor ng vibraci\u00f3n\">Sensor ng vibraci\u00f3n<\/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> + VAT (kung naaangkop)<\/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=\"\/tl\/wp-json\/wp\/v2\/glossary\/311?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=\"Add to cart\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Add to cart\" 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=\"\/tl\/wp-json\/wp\/v2\/glossary\/311?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=\"\">Add to cart<\/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\/tl\/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\/tl\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Optical Sensor (Laser Tachometer)\">\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=\"Optical Sensor (Laser Tachometer)\" 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\/tl\/product-category\/parts\/\" rel=\"tag\">Parts<\/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\/tl\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Optical Sensor (Laser Tachometer)\">Optical Sensor (Laser Tachometer)<\/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> + VAT (kung naaangkop)<\/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=\"\/tl\/wp-json\/wp\/v2\/glossary\/311?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=\"Add to cart\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Add to cart\" 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=\"\/tl\/wp-json\/wp\/v2\/glossary\/311?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=\"\">Add to cart<\/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\/tl\/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\/tl\/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 rotor balancing kit: carrying case, multi-channel signal conditioner, handheld analyzer, magnetic base, mga vibration sensor, at mga coiled cable.\" 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\/tl\/product-category\/devices\/\" rel=\"tag\">Devices<\/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\/tl\/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> + VAT (kung naaangkop)<\/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=\"\/tl\/wp-json\/wp\/v2\/glossary\/311?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=\"Add to cart\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Add to cart\" 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=\"\/tl\/wp-json\/wp\/v2\/glossary\/311?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=\"\">Add to cart<\/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\/tl\/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\/tl\/product\/magnet-stand\/\" title=\"Magnetic Stand 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=\"Magnet base.\" 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\/tl\/product-category\/parts\/\" rel=\"tag\">Parts<\/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\/tl\/product\/magnet-stand\/\" title=\"Magnetic Stand Insize-60-kgf\">Magnetic Stand 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 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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> + VAT (kung naaangkop)<\/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=\"\/tl\/wp-json\/wp\/v2\/glossary\/311?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=\"Add to cart\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Add to cart\" 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=\"\/tl\/wp-json\/wp\/v2\/glossary\/311?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=\"\">Add to cart<\/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>Windowing<\/strong> ay isang signal-processing step kung saan ang isang mathematical weighting function \u2014 isang &#8220;window&#8221; \u2014 ay inilalapat sa isang bloke ng <a href=\"https:\/\/vibromera.eu\/tl\/glossary\/time-waveform\/\">time-waveform<\/a> data bago ito ipadala sa Fast Fourier Transform. Ang hugis ng window ay malumanay na binabawasan ang amplitude ng na-capture na signal tungo sa zero sa simula at dulo ng time block, kaya ang data ay tumitinatiya nang walang biglang pagtalon. Ang iisang operasyong ito ang nagsusupresyon ng isang malawak na error na tinatawag na <a href=\"https:\/\/vibromera.eu\/tl\/glossary\/spectral-leakage\/\">spectral leakage<\/a> at samakatuwid ay mahalaga sa paglikha ng isang tumpak na <a href=\"https:\/\/vibromera.eu\/tl\/glossary\/spectrum\/\">spectrum ng vibrasyon<\/a>. Sa praktikal na <a href=\"https:\/\/vibromera.eu\/tl\/glossary\/vibration-analysis\/\">pagsusuri ng vibration<\/a>, ang tamang pagpili at paglalapat ng window ay ang pagkakaiba sa pagitan ng isang malinis, mapagkakatiwalaang spectrum at isang kalat, nakaliligaw na isa.<\/p>\n<h2>1. Kahulugan: Ano Ang Windowing Function?<\/h2>\n<p>Ang windowing function ay isang profile\u2014isang set ng multiplication factors, isa sa bawat sample\u2014na inilatag sa raw time block. Kung saan ang window value ay 1.0 ang sample ay dumadaan nang walang pagbabago; kung saan ito bumababa tungo sa 0.0 ang sample ay binabawasan. Dahil halos bawat window ay umabot sa pinakamataas sa gitna at bumababa sa dalawang dulo, ang pagpaparami ng time record sa window ay pinipilit ang na-capture na snippet na magsimula at magtapus sa zero amplitude. Ang mathematics ng <a href=\"https:\/\/vibromera.eu\/tl\/glossary\/fft\/\">FFT<\/a> ay hindi nagbabago; ang windowing ay simpleng nag-pre-condition lamang ng data upang ang built-in na mga assumption ng transform ay masiyahan. Nang wala ito, ang spectrum na ibinabalik ng analyzer ay maaaring maging quantitatively wrong kahit na ang sensor at ang iba pang measurement chain ay perpekto.<\/p>\n<h2>2. Ang Problema: Spectral Leakage<\/h2>\n<p>Ang FFT ay may inherent assumption: ito ay tumitingin sa finite block ng time data na ito ay sinusuri bilang <em>isang kompletong cycle ng perpektong periodic signal na umuulit magpakailanman<\/em>. Ang mga signal mula sa tunay na machinery ay halos hindi kailanman sumusuko. Kapag nagsimula at nagtapos ang acquisition sa arbitraryong mga instant, ang dulo ng na-capture na block ay hindi tumutugma sa simula nito, kaya kapag ang FFT ay mentally nagbalot ng block bumalik sa sarili nito ay nakikita nito ang matalas, artificial na discontinuities sa mga hangganan.<\/p>\n<p>Ang transform ay gumagawa ng interpretasyon ng mga biglang humpay bilang tunay na high-frequency content na hindi umiiral sa machine. Ang energy na tunay na pag-aari ng isang solong, discrete <a href=\"https:\/\/vibromera.eu\/tl\/glossary\/frequency\/\">frequency<\/a> peak ay kumakalat\u2014ito ay &#8220;nag-leak&#8221;\u2014sa mga katatayang frequency bins sa magkabilang panig. Ang mga kinahinatnan ay tatlo-fold:<\/p>\n<ul>\n<li><strong>Nabawasan ang amplitude accuracy:<\/strong> ang sinusukat na taas ng peak ay mas mababa sa tunay nitong halaga dahil ang energy nito ay kumakalat sa maraming bins sa halip na nakatuon sa isa.<\/li>\n<li><strong>Napalawaking mga tuktok:<\/strong> ang linya ay mas malawak at mas hindi malinaw na tinukoy kaysa ang pinagbabagong physics ay nagpapahintulot, binaburo ang frequency estimate.<\/li>\n<li><strong>Pagkawala ng resolution:<\/strong> ang nabulusok na energy ay nagpapataas ng noise floor sa paligid ng isang malaking peak, inilalubog ang mas maliit na katabing peaks\u2014eksakto ang maliit na <a href=\"https:\/\/vibromera.eu\/tl\/glossary\/harmonics\/\">harmonics<\/a> at sidebands na madalas na nagdadala ng diagnostic story.<\/li>\n<\/ul>\n<h2>3. Ang Solusyon: Pag-apply ng Window<\/h2>\n<p>Ang windowing ay nagpapagaling ng leakage sa pamamagitan ng malumanay na pagsisiguro na ang signal ay <em>look<\/em> periodic sa loob ng block. Ang pagpaparami ng raw waveform sa window ay bumababa sa mga amplitude sa extreme na simula at dulo tungo sa zero, na nagtatanggal ng boundary discontinuities at, sa mabisang paraan, nagdadala sa FFT na nakikita ang isang tuluy-tuloy, walang-gaps na signal. Ang reward ay isang markadong mas malinis na spectrum:<\/p>\n<ul>\n<li>Makabuluhang pinabuting amplitude accuracy, kaya ang peak heights ay maaaring pagkatiwalaan laban sa <a href=\"https:\/\/vibromera.eu\/tl\/glossary\/vibration-severity\/\">vibration-severity<\/a> limits.<\/li>\n<li>Mas malinaw, mas tiyak na mga tuktok ng dalas na nagtutukoy sa isang sira sa isang partikular na order o bahagi.<\/li>\n<li>Mas mababang epektibong noise floor, na nagbibigay-daan sa mga maliit na signal na lumabas sa tabi ng malalaking signal.<\/li>\n<\/ul>\n<p>Mayroon, hindi mapapayag, isang kompromiso. Ang pag-taper sa mga dulo ay nagtatapon ng ilang enerhiya ng rekord &#8217; at pinalawak ang pangunahing spektral na lobe nang bahaghari, kaya ang windowing ay nag-aalok ng kaunting resolusyon sa dalas para sa malaking pagbaba sa leakage. Bawat window ay iba't ibang punto sa kompromisong iyon, na ang dahilan kung bakit maraming hugis ang umiiral.<\/p>\n<h2>4. Mga Karaniwang Uri ng Windows<\/h2>\n<p>Maraming windowing functions ang nabuo, bawat isa ay may kaunting kaibang timbang sa bloke ng oras. Para sa pangkalahatang layunin na trabaho ng makinarya, isa ang nangingibabaw.<\/p>\n<h3>Hanning Window<\/h3>\n<p>The <a href=\"https:\/\/vibromera.eu\/tl\/glossary\/hanning-window\/\">Hanning window<\/a> (isang raised-cosine na taper) ay nag-aalok ng isang napakagandang kompromiso sa pagitan ng resolusyon sa dalas at exactness ng amplitude, at ito ay ang inirerekomendang default para sa halos lahat ng pamantayang pagsusukat ng vibration sa umiikot na makinarya. Maliban kung may partikular na dahilan upang gumawa ng ibang paraan, ang Hanning window ay dapat laging piliin. Ito ay ang tamang pagpipilian para sa patuloy, malawak na peryodikong mga signal na nangingibabaw <a href=\"https:\/\/vibromera.eu\/tl\/glossary\/condition-monitoring\/\">pagsubaybay sa kondisyon ng makina<\/a>.<\/p>\n<h3>Other Windows<\/h3>\n<ul>\n<li><strong>Rectangular window (tinatawag ding Uniform, o &#8220;None&#8221;):<\/strong> katumbas ng paggamit ng walang window sa lahat. Mayroon itong pinakamahusay na resolusyon sa dalas ngunit ang pinakamahirap na spectral leakage, at angkop lamang kung ang signal ay kilalang perpektong peryodiko sa loob ng bloke \u2014 o kapag kumukuha ng napakatalas, ganap na naglalaman na mga transient events tulad ng isang impact.<\/li>\n<li><strong>Flattop window:<\/strong> naghahatid ng pinaka-exact na pagsusukat ng amplitude sa lahat ng karaniwang window, sa gastos ng napakahirap na resolusyon sa dalas (napakalapad na mga tuktok). Ito ang window na pipiliin para sa trabaho sa calibration at anumang gawain kung saan ang eksaktong <a href=\"https:\/\/vibromera.eu\/tl\/glossary\/amplitude\/\">amplitude<\/a> ng isang tuktok ay mas mahalaga kaysa sa eksaktong dalas nito \u2014 halimbawa, pag-verify ng isang sensor laban sa isang <a href=\"https:\/\/vibromera.eu\/tl\/glossary\/calibration-certificate\/\">sertipiko ng calibration<\/a> sa isang kilalang reference shaker.<\/li>\n<li><strong>Hamming window:<\/strong> malapit na nauugnay sa Hanning window, na may maliit na compromiso sa sidelobe behavior; bihirang kailangan sa routine machinery diagnostics.<\/li>\n<\/ul>\n<h2>5. Kailan Gumamit ng Window \u2014 at Paano Ito Nakikipag-ugnayan sa Resolusyon<\/h2>\n<p>Para sa machinery condition monitoring ang panuntunan ay simple: <strong>palaging gumamit ng Hanning window<\/strong> para sa pangkalahatang spectral analysis. Ang pagsasagawa ng window \u2014 pagpili ng Rectangular sa isang ordinaryong umiikot na signal \u2014 ay naghahatid ng hindi tumpak at potensyal na nakakaguluhang data, dahil ang leakage ay magangal sa parehong taas ng tuktok at sa imahinadong sound floor. Ang modernong instrumento ay gumagamit ng Hanning window bilang default eksakto dahil ito ay mahalaga sa isang maaasahang, tumpak na spectrum.<\/p>\n<p>Ang windowing ay hindi kumilos mag-isa. Dahil ang pag-taper ay nagpapalawak ng bawat spectral line, ang praktikal na resolusyon sa dalas na iyong makakamit ay ang pinagsama-samang resulta ng pagpili ng window at ang mga parameter ng pagsusuri \u2014 block length (bilang ng mga sample), sampling rate at span. Kapag ang mga tuktok ay napakalapit sa isa't isa, ang pagpahaba ng time record ay magsasahip sa kanila nang mas mabilis kaysa sa pagbabago ng window; maaari mong previewhin ang kompromisong iyon sa isang <a href=\"https:\/\/vibromera.eu\/tl\/calculators\/fft-resolution-calculator\/\">FFT resolution calculator<\/a> bago gumawa ng commitment sa isang setup ng pagsusukat. Ang windowing ay malinaw na magkakaiba sa, at complementary sa, <a href=\"https:\/\/vibromera.eu\/tl\/glossary\/signal-filtering\/\">pagsusulog ng signal<\/a>: ang isang filter ay nag-aalis ng hindi nais na frequency bands mula sa signal, habang ang window ay nagsasaayos ng anumang natitirang banda upang ang FFT ay maaaring itong kumatawan ng tapat.<\/p>\n<h2>6. Windowing sa Larangan<\/h2>\n<p>Sa praktikal na diagnostika, ang window ay bihira ang iniisip ng analyst nang maingat \u2014 at iyan ay sa disenyo. Kapag ang isang inhinyero ay kumukuha ng spectrum o tumatakbo ng trabahong pag-balanse gamit ang isang portable na dalawang-channel na instrumento tulad ng <a href=\"https:\/\/vibromera.eu\/tl\/product\/balanset-1\/\">Balanset-1A<\/a>, ang software ay awtomatikong gumagamit ng Hanning window bago magkompyuta ng FFT, kaya ang 1\u00d7 <a href=\"https:\/\/vibromera.eu\/tl\/glossary\/running-speed\/\">running-speed<\/a> peak at ang mga harmonics nito ay lumalabas sa kanilang tunay na amplitude at sa tamang frequency nang walang dagdag na hakbang. Ang wastong na-window na spectrum na iyon ang nagpapahintulot sa parehong instrumento na mapaghiwalay ang isang tunay na <a href=\"https:\/\/vibromera.eu\/tl\/glossary\/unbalance\/\">unbalance<\/a> peak mula sa malapit na ingay at i-verify ang resulta pagkatapos ng pagwawasto. Ang pag-unawa kung ano ang ginagawa ng window sa ilalim ng hood ay tumutulong sa isang analyst na makilala kung kailan ang isang non-default na pagpipilian \u2014 Flattop para sa isang calibration check, Rectangular para sa isang malinis na transient \u2014 ay tunay na nakagarantiya.<\/p>\n<hr>\n<p><a href=\"https:\/\/vibromera.eu\/tl\/glossary\/\">\u2190 Bumalik sa Pangunahing Index<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Isang gabay sa mga function ng windowing (tulad ng Hanning) sa FFT analysis. Alamin kung bakit ang windowing ay mahalaga para sa pagbabawas ng spectral leakage at pagsisiguro ng tumpak na mga sukat ng vibration.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[114,109],"tags":[],"class_list":["post-311","glossary","type-glossary","status-publish","hentry","category-analysis","category-glossary"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/tl\/wp-json\/wp\/v2\/glossary\/311","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vibromera.eu\/tl\/wp-json\/wp\/v2\/glossary"}],"about":[{"href":"https:\/\/vibromera.eu\/tl\/wp-json\/wp\/v2\/types\/glossary"}],"version-history":[{"count":1,"href":"https:\/\/vibromera.eu\/tl\/wp-json\/wp\/v2\/glossary\/311\/revisions"}],"predecessor-version":[{"id":101322,"href":"https:\/\/vibromera.eu\/tl\/wp-json\/wp\/v2\/glossary\/311\/revisions\/101322"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/tl\/wp-json\/wp\/v2\/media?parent=311"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/tl\/wp-json\/wp\/v2\/categories?post=311"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/tl\/wp-json\/wp\/v2\/tags?post=311"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}