{"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\/sw\/glossary\/windowing\/","title":{"rendered":"Uwindowing katika Uchambuzi wa FFT ni Nini?"},"content":{"rendered":"<h1>Kuelewa Unyakuzi wa Dirisha (Windowing) katika Uchambuzi wa FFT<\/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\/sw\/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\/sw\/product\/balanset-1\/\" title=\"Kisawazisha kinachobebeka na kichanganuzi cha Mtetemo 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 kizani kamili kinachobebeka na mchanganyzaji wa mipigo\" 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\/sw\/product-category\/devices\/\" rel=\"tag\">Vifaa<\/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\/sw\/product\/balanset-1\/\" title=\"Kisawazisha kinachobebeka na kichanganuzi cha Mtetemo Balanset-1A\">Kisawazisha kinachobebeka na kichanganuzi cha Mtetemo 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> + VAT (ikiwa inatumika)<\/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=\"\/sw\/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=\"\/sw\/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\/sw\/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\/sw\/product\/vibration-sensor\/\" title=\"Sensor ya mtetemo\">\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=\"Kiazo cha kumkaribisha cha mipigo ya Balanset-1A\" 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\/sw\/product-category\/parts\/\" rel=\"tag\">Sehemu<\/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\/sw\/product\/vibration-sensor\/\" title=\"Sensor ya mtetemo\">Sensor ya mtetemo<\/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> + VAT (ikiwa inatumika)<\/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=\"\/sw\/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=\"\/sw\/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\/sw\/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\/sw\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Sensorer ya Macho (Tachometer ya Laser)\">\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=\"Sensorer ya Macho (Tachometer ya Laser)\" 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\/sw\/product-category\/parts\/\" rel=\"tag\">Sehemu<\/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\/sw\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Sensorer ya Macho (Tachometer ya Laser)\">Sensorer ya Macho (Tachometer ya Laser)<\/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> + VAT (ikiwa inatumika)<\/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=\"\/sw\/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=\"\/sw\/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\/sw\/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\/sw\/product\/balanset-4\/\" title=\"Balancet-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=\"Seti ya Vibromera ya uzani wa rotor: sanduku la kuendelea, mhuduma wa ishara ya njia nyingi, mchanganyaji wa kubaini, msingi wa sumaku, senseti za mipigo, na kebo zilizopindika.\" 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\/sw\/product-category\/devices\/\" rel=\"tag\">Vifaa<\/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\/sw\/product\/balanset-4\/\" title=\"Balancet-4\">Balancet-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> + VAT (ikiwa inatumika)<\/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=\"\/sw\/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=\"\/sw\/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\/sw\/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\/sw\/product\/magnet-stand\/\" title=\"Stand ya Magnetic 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=\"Msingi wa sumaku.\" 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\/sw\/product-category\/parts\/\" rel=\"tag\">Sehemu<\/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\/sw\/product\/magnet-stand\/\" title=\"Stand ya Magnetic Insize-60-kgf\">Stand ya Magnetic 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> + VAT (ikiwa inatumika)<\/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=\"\/sw\/wp-json\/wp\/v2\/glossary\/311?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=\"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=\"\/sw\/wp-json\/wp\/v2\/glossary\/311?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=\"\">Add to cart<\/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\/sw\/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\/sw\/product\/reflective-tape\/\" title=\"Mkanda wa kutafakari\">\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=\"Mkanda wa kutafakari\" 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\/sw\/product-category\/parts\/\" rel=\"tag\">Sehemu<\/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\/sw\/product\/reflective-tape\/\" title=\"Mkanda wa kutafakari\">Mkanda wa kutafakari<\/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> + VAT (ikiwa inatumika)<\/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=\"\/sw\/wp-json\/wp\/v2\/glossary\/311?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=\"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=\"\/sw\/wp-json\/wp\/v2\/glossary\/311?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=\"\">Add to cart<\/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\/sw\/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\/sw\/product\/dynamic-balancer-balanset-1a\/\" title=\"Kisawazisha chenye nguvu cha &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 samani za kiti na kipengele cha kukamatia, senseti, kipimo cha kasi na vifaa\" 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\/sw\/product-category\/devices\/\" rel=\"tag\">Vifaa<\/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\/sw\/product\/dynamic-balancer-balanset-1a\/\" title=\"Kisawazisha chenye nguvu cha &quot;Balanset-1A&quot; OEM\">Kisawazisha chenye nguvu cha &quot;Balanset-1A&quot; 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> + VAT (ikiwa inatumika)<\/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=\"\/sw\/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=\"\/sw\/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> ni hatua ya usindikaji wa ishara ambapo kazi ya uzani wa kihesabu \u2014 &#8220;dirisha&#8221; \u2014 inatumiwa kwa bloku ya <a href=\"https:\/\/vibromera.eu\/sw\/glossary\/time-waveform\/\">time-waveform<\/a> data kabla ya kupelekwa kwa Mabadiliko ya Haraka ya Fourier (FFT). Umbo la dirisha hupunguza kwa ulaini ukubwa wa ishara iliyonaswa hadi sifuri mwanzoni na mwishoni mwa bloku ya muda, ili data iungane bila mapumziko ya ghafla. Operesheni hii moja ndiyo inayokandamiza hitilafu inayoenea inayoitwa <a href=\"https:\/\/vibromera.eu\/sw\/glossary\/spectral-leakage\/\">spectral leakage<\/a> na kwa hivyo ni muhimu kwa uzalishaji wa wigo sahihi <a href=\"https:\/\/vibromera.eu\/sw\/glossary\/spectrum\/\">wigo wa mitetemo<\/a>. In practical <a href=\"https:\/\/vibromera.eu\/sw\/glossary\/vibration-analysis\/\">vibration analysis<\/a>, kuchagua na kutumia dirisha kwa usahihi ndiyo tofauti kati ya wigo safi unaostahili kuaminika na wigo uliopakaa wenye kupotosha.<\/p>\n<h2>1. Ufafanuzi: Kazi ya Unyakuzi wa Dirisha ni Nini?<\/h2>\n<p>Kazi ya unyakuzi wa dirisha ni mfano \u2014 seti ya vipengele vya kuzidisha, kimoja kwa kila sampuli \u2014 ambacho kinawekwa juu ya bloku ghafi ya muda. Pale ambapo thamani ya dirisha ni 1.0 sampuli inapita bila kubadilika; pale inaposhuka kuelekea 0.0 sampuli inapunguzwa. Kwa sababu karibu kila dirisha hufikia kilele katikati na kupungua pande zote mbili, kuzidisha rekodi ya muda na dirisha kunalazimisha kipande kilichonaswa kuanza na kumalizika kwa ukubwa wa sifuri. Hisabati ya <a href=\"https:\/\/vibromera.eu\/sw\/glossary\/fft\/\">FFT<\/a> haibadiliki; unyakuzi wa dirisha tu unaandaa mapema data ili mawazo ya msingi ya mabadiliko yatimizwe. Bila yake, wigo unaorejesha kichanganuzi unaweza kuwa mbaya kiasi hata wakati kipimo na mnyororo wote wa upimaji ni kamili.<\/p>\n<h2>2. Tatizo: Uvujaji wa Wigo (Spectral Leakage)<\/h2>\n<p>FFT ina wazo la msingi lililomo ndani yake: inashughulikia bloku ndogo ya data ya muda inayochanganua kama <em>mzunguko mmoja kamili wa ishara ya mara kwa mara iliyokamilifu inayorudia milele<\/em>. Ishara za mashine za kweli karibu haziwahi kufanya hivyo. Wakati upatikanaji unapoanza na kusimama kwa nyakati za nasibu, mwisho wa bloku iliyonaswa haupangani na mwanzo wake, kwa hivyo wakati FFT inavyokunjavinya bloku juu yake yenyewe kwa akili yake inaona mgawanyiko mkali wa bandia kwenye mipaka.<\/p>\n<p>Mabadiliko yanatafsiri mapumziko hayo ya ghafla kama maudhui ya kweli ya masafa ya juu ambayo hayapo kwenye mashine. Nishati inayomilikiwa kweli na moja tu iliyobainiwa <a href=\"https:\/\/vibromera.eu\/sw\/glossary\/frequency\/\">frequency<\/a> kilele inapakaa \u2014 &#8220;huvuja&#8221; \u2014 kwenye masanduku ya masafa jirani pande zote mbili. Matokeo ni ya aina tatu:<\/p>\n<ul>\n<li><strong>Usahihi uliopunguzwa wa ukubwa:<\/strong> urefu uliomeasuriwa wa kilele unasomeka chini ya thamani yake ya kweli kwa sababu nishati yake imesambazwa kwenye masanduku mengi badala ya kukusanywa katika moja.<\/li>\n<li><strong>Vilele vilivyopanuka:<\/strong> mstari unaonekana upana zaidi na hauna ufafanuzi mkali zaidi kuliko fizikia ya msingi inavyohitaji, hivyo ukadiriaji wa masafa unafifishwa.<\/li>\n<li><strong>Kupoteza uazimio:<\/strong> nishati iliyomwagika huinua sakafu ya kelele karibu na kilele kikubwa, ikizika vilele vidogo vya karibu \u2014 hasa <a href=\"https:\/\/vibromera.eu\/sw\/glossary\/harmonics\/\">harmonics<\/a> na vipande vya pembeni (sidebands) vinavyobeba mara nyingi hadithi ya utambuzi.<\/li>\n<\/ul>\n<h2>3. Suluhisho: Kutumia Dirisha la Windowing<\/h2>\n<p>Windowing inatibua uvujaji wa wigo kwa kulazimisha ishara kwa ulaini <em>look<\/em> kuwa ya mzunguko ndani ya kipande. Kuzidisha mawimbi ghafi na dirisha la windowing hupunguza amplitudi mwanzoni na mwishoni hadi sufuri, ambayo huondoa usumbufu wa mipaka na, kwa kweli, hudanganya FFT kuona ishara inayoendelea bila mapungufu. Faida yake ni wigo ulio safi zaidi kwa kiasi kikubwa:<\/p>\n<ul>\n<li>Usahihi wa amplitudi ulioboreshwa kwa kiasi kikubwa, ili urefu wa kilele uweze kuaminiwa dhidi ya <a href=\"https:\/\/vibromera.eu\/sw\/glossary\/vibration-severity\/\">vibration-severity<\/a> limits.<\/li>\n<li>Vilele vya masafa vilivyo vikali na vilivyofafanuliwa vizuri vinavyopiga kasoro kwenye mpangilio au sehemu maalum.<\/li>\n<li>Sakafu ya kelele bora zaidi ya ufanisi, inayoruhusu ishara ndogo kuonekana karibu na ishara kubwa.<\/li>\n<\/ul>\n<p>Kuna, bila shaka, maelewano. Kupunguza mwisho kunatupa baadhi ya nishati ya rekodi&#8217; na kupanua kidogo lobe kuu ya wigo, kwa hivyo windowing inabadilishana azimio dogo la masafa kwa kupungua kwa kiasi kikubwa kwa uvujaji. Kila dirisha ni nukta tofauti kwenye maelewano hayo, ndiyo maana sura kadhaa zipo.<\/p>\n<h2>4. Aina za Kawaida za Madirisha ya Windowing<\/h2>\n<p>Vipengele vya windowing vingi vimebuniwa, kila kimoja kipimo kipande cha muda tofauti kidogo. Kwa kazi ya mashine ya jumla, kimoja kinatawala.<\/p>\n<h3>Hanning Window<\/h3>\n<p>The <a href=\"https:\/\/vibromera.eu\/sw\/glossary\/hanning-window\/\">Hanning window<\/a> (taper iliyoinuliwa ya cosine) hutoa maelewano bora kati ya azimio la masafa na usahihi wa amplitudi, na ndiyo chaguo lililoshauriwa kwa kawaida kwa vipimo vyote vya kawaida vya mtetemo wa mashine zinazozunguka. Isipokuwa kuna sababu maalum ya kufanya vinginevyo, dirisha la Hanning linapaswa kuchaguliwa kila wakati. Ni chaguo sahihi kwa ishara za mzunguko wa kudumu, zinazotawala <a href=\"https:\/\/vibromera.eu\/sw\/glossary\/condition-monitoring\/\">ufuatiliaji wa hali ya mashine<\/a>.<\/p>\n<h3>Other Windows<\/h3>\n<ul>\n<li><strong>Dirisha la Mstatili (pia linaitwa Uniform, au &#8220;Hakuna&#8221;):<\/strong> sawa na kutotumia dirisha kabisa. Lina azimio bora zaidi la masafa lakini uvujaji mbaya zaidi wa wigo, na linafaa tu wakati ishara inajulikana kuwa ya mzunguko kamili ndani ya kipande \u2014 au wakati wa kunasa matukio ya muda mfupi yaliyomo kikamilifu kama vile athari.<\/li>\n<li><strong>Dirisha la Flattop:<\/strong> hutoa kipimo sahihi zaidi cha amplitudi cha dirisha lolote la kawaida, kwa gharama ya azimio duni sana la masafa (vilele vipana sana). Ni dirisha la chaguo kwa kazi ya urekebishaji na kazi yoyote ambapo sahihi ya <a href=\"https:\/\/vibromera.eu\/sw\/glossary\/amplitude\/\">amplitude<\/a> ya kilele inazidi masafa yake halisi \u2014 kwa mfano, kuthibitisha sensor dhidi ya <a href=\"https:\/\/vibromera.eu\/sw\/glossary\/calibration-certificate\/\">cheti cha calibration<\/a> kwenye kishekeresha cha kumbukumbu kinachojulikana.<\/li>\n<li><strong>Dirisha la Hamming:<\/strong> linahusiana sana na dirisha la Hanning, na tofauti ndogo katika tabia ya lobe za pembeni; mara chache linahitajika katika uchunguzi wa kawaida wa mashine.<\/li>\n<\/ul>\n<h2>5. Wakati wa Kutumia Dirisha \u2014 na Jinsi Inavyoingiliana na Azimio<\/h2>\n<p>Kwa ufuatiliaji wa hali ya mashine, kanuni ni rahisi: <strong>daima tumia dirisha la Hanning<\/strong> kwa uchambuzi wa wigo wa jumla. Kuzima dirisha \u2014 kuchagua Mstatili kwenye ishara inayoendelea ya kawaida \u2014 hutoa data isiyo sahihi na inayoweza kupoteza, kwa sababu uvujaji utapotosha urefu wa vilele na sakafu ya kelele inayoonekana. Vyombo vya kisasa vinatumia dirisha la Hanning kwa chaguo-msingi hasa kwa sababu ni muhimu kwa wigo unaotegemewa na sahihi.<\/p>\n<p>Uwindowing haufanyi kazi peke yake. Kwa sababu kupunguzwa kwa mwisho kunasababisha upanuzi wa kila mstari wa wigo, azimio la vitendo la masafa unalolifikia ni matokeo ya pamoja ya uchaguzi wa dirisha na vigezo vya uchambuzi \u2014 urefu wa kizuizi (idadi ya sampuli), kiwango cha sampuli na upeo. Wakati vilele viko karibu sana, kurefusha rekodi ya muda huvipanga zaidi kuliko kubadilisha dirisha; unaweza kuona maelewano hayo na <a href=\"https:\/\/vibromera.eu\/sw\/calculators\/fft-resolution-calculator\/\">kikokotoo cha azimio la FFT<\/a> kabla ya kuamua mpangilio wa kipimo. Uwindowing pia ni tofauti na, na unaolingana na, <a href=\"https:\/\/vibromera.eu\/sw\/glossary\/signal-filtering\/\">signal filtering<\/a>: kichujio huondoa bendi za masafa zisizohitajika kutoka kwa ishara, wakati dirisha linakandamiza bendi yoyote iliyobaki ili FFT iweze kuiwakilisha kwa uaminifu.<\/p>\n<h2>6. Uwindowing Nyanjani<\/h2>\n<p>Katika uchunguzi wa vitendo wa hali ya mashine, dirisha mara chache ni jambo ambalo mtaalamu hufikiria kwa makusudi \u2014 na hilo ni kwa nia. Wakati mhandisi anachukua wigo au anafanya kazi ya kusawazisha kwa chombo cha kubebeka chenye njia mbili kama vile <a href=\"https:\/\/vibromera.eu\/sw\/bidhaa\/balanset-1\/\">Balancet-1A<\/a>, programu hutumia dirisha la Hanning kiotomatiki kabla ya kuhesabu FFT, ili mzunguko wa 1\u00d7 <a href=\"https:\/\/vibromera.eu\/sw\/glossary\/running-speed\/\">running-speed<\/a> na mawimbi yake ya juu yaonekane kwa ukubwa wao wa kweli na masafa sahihi bila hatua za ziada. Wigo huo wenye uwindowing sahihi ndio unaoruhusu chombo hicho hicho kutofautisha <a href=\"https:\/\/vibromera.eu\/sw\/glossary\/unbalance\/\">unbalance<\/a> kilele halisi kutoka kwa kelele zilizo karibu na kuthibitisha matokeo baada ya marekebisho. Kuelewa kinachofanywa na dirisha nyuma ya pazia husaidia mtaalamu kutambua wakati uchaguzi usio wa chaguo-msingi \u2014 Flattop kwa ukaguzi wa usanidi, Mstatili kwa mabadiliko safi ya muda \u2014 unastahili kweli.<\/p>\n<hr>\n<p><a href=\"https:\/\/vibromera.eu\/sw\/glossary\/\">\u2190 Rudi kwenye Index ya Msingi<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Mwongozo wa kazi za upigiaji madirisha (kama vile Hanning) katika uchambuzi wa FFT. Jifunze kwa nini upigiaji madirisha ni muhimu kwa kupunguza uvujaji wa wigo na kuhakikisha vipimo sahihi vya mtetemo.<\/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\/sw\/wp-json\/wp\/v2\/glossary\/311","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vibromera.eu\/sw\/wp-json\/wp\/v2\/glossary"}],"about":[{"href":"https:\/\/vibromera.eu\/sw\/wp-json\/wp\/v2\/types\/glossary"}],"version-history":[{"count":1,"href":"https:\/\/vibromera.eu\/sw\/wp-json\/wp\/v2\/glossary\/311\/revisions"}],"predecessor-version":[{"id":101322,"href":"https:\/\/vibromera.eu\/sw\/wp-json\/wp\/v2\/glossary\/311\/revisions\/101322"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/sw\/wp-json\/wp\/v2\/media?parent=311"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/sw\/wp-json\/wp\/v2\/categories?post=311"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/sw\/wp-json\/wp\/v2\/tags?post=311"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}