{"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\/zh\/glossary\/fft\/","title":{"rendered":"\u632f\u52a8\u5206\u6790\u4e2d\u7684 FFT\uff08\u5feb\u901f\u5085\u91cc\u53f6\u53d8\u6362\uff09\u662f\u4ec0\u4e48\uff1f"},"content":{"rendered":"<h1>\u632f\u52a8\u5206\u6790\u4e2d\u7684FFT\uff08\u5feb\u901f\u5085\u91cc\u53f6\u53d8\u6362\uff09<\/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\/zh\/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\/zh\/product\/balanset-1\/\" title=\"\u4fbf\u643a\u5f0f\u5e73\u8861\u673a\u548c\u632f\u52a8\u5206\u6790\u4eea 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 \u5168\u5957\u4fbf\u643a\u5f0f\u5e73\u8861\u673a\u548c\u632f\u52a8\u5206\u6790\u4eea\" 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\/zh\/product-category\/devices\/\" rel=\"tag\">\u8bbe\u5907<\/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\/zh\/product\/balanset-1\/\" title=\"\u4fbf\u643a\u5f0f\u5e73\u8861\u673a\u548c\u632f\u52a8\u5206\u6790\u4eea Balanset-1A\">\u4fbf\u643a\u5f0f\u5e73\u8861\u673a\u548c\u632f\u52a8\u5206\u6790\u4eea 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> +\u589e\u503c\u7a0e\uff08\u5982\u9002\u7528\uff09<\/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=\"\/zh\/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=\"\u52a0\u5165\u8d2d\u7269\u8f66\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"\u52a0\u5165\u8d2d\u7269\u8f66\" 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=\"\/zh\/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=\"\u52a0\u5165\u8d2d\u7269\u8f66\uff1a\u201cPortable balancer &amp; Vibration analyzer Balanset-1A\u201d\" rel=\"nofollow\" data-success_message=\"\u201cPortable balancer &amp; Vibration analyzer Balanset-1A\u201d\u5df2\u6dfb\u52a0\u5230\u60a8\u7684\u8d2d\u7269\u8f66\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">\u52a0\u5165\u8d2d\u7269\u8f66<\/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\/zh\/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\/zh\/product\/vibration-sensor\/\" title=\"\u632f\u52a8\u4f20\u611f\u5668\">\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 \u632f\u52a8\u4f20\u611f\u5668\u7279\u5199\" 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\/zh\/product-category\/parts\/\" rel=\"tag\">\u90e8\u4ef6<\/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\/zh\/product\/vibration-sensor\/\" title=\"\u632f\u52a8\u4f20\u611f\u5668\">\u632f\u52a8\u4f20\u611f\u5668<\/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> +\u589e\u503c\u7a0e\uff08\u5982\u9002\u7528\uff09<\/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=\"\/zh\/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=\"\u52a0\u5165\u8d2d\u7269\u8f66\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"\u52a0\u5165\u8d2d\u7269\u8f66\" 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=\"\/zh\/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=\"\u52a0\u5165\u8d2d\u7269\u8f66\uff1a\u201cVibration sensor\u201d\" rel=\"nofollow\" data-success_message=\"\u201cVibration sensor\u201d\u5df2\u6dfb\u52a0\u5230\u60a8\u7684\u8d2d\u7269\u8f66\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">\u52a0\u5165\u8d2d\u7269\u8f66<\/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\/zh\/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\/zh\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"\u5149\u5b66\u4f20\u611f\u5668\uff08\u6fc0\u5149\u8f6c\u901f\u8ba1\uff09\">\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=\"\u5149\u5b66\u4f20\u611f\u5668\uff08\u6fc0\u5149\u8f6c\u901f\u8ba1\uff09\" 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\/zh\/product-category\/parts\/\" rel=\"tag\">\u90e8\u4ef6<\/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\/zh\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"\u5149\u5b66\u4f20\u611f\u5668\uff08\u6fc0\u5149\u8f6c\u901f\u8ba1\uff09\">\u5149\u5b66\u4f20\u611f\u5668\uff08\u6fc0\u5149\u8f6c\u901f\u8ba1\uff09<\/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> +\u589e\u503c\u7a0e\uff08\u5982\u9002\u7528\uff09<\/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=\"\/zh\/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=\"\u52a0\u5165\u8d2d\u7269\u8f66\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"\u52a0\u5165\u8d2d\u7269\u8f66\" 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=\"\/zh\/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=\"\u52a0\u5165\u8d2d\u7269\u8f66\uff1a\u201cOptical Sensor (Laser Tachometer)\u201d\" rel=\"nofollow\" data-success_message=\"\u201cOptical Sensor (Laser Tachometer)\u201d\u5df2\u6dfb\u52a0\u5230\u60a8\u7684\u8d2d\u7269\u8f66\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">\u52a0\u5165\u8d2d\u7269\u8f66<\/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\/zh\/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\/zh\/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\u8f6c\u5b50\u5e73\u8861\u5957\u4ef6\uff1a\u4fbf\u643a\u7bb1\u3001\u591a\u901a\u9053\u4fe1\u53f7\u8c03\u8282\u5668\u3001\u624b\u6301\u5f0f\u5206\u6790\u4eea\u3001\u78c1\u6027\u5e95\u5ea7\u3001\u632f\u52a8\u4f20\u611f\u5668\u548c\u87ba\u65cb\u7535\u7f06\u3002.\" 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\/zh\/product-category\/devices\/\" rel=\"tag\">\u8bbe\u5907<\/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\/zh\/product\/balanset-4\/\" title=\"Balanset-4\">Balanset-4<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>6,803.00<\/span> +\u589e\u503c\u7a0e\uff08\u5982\u9002\u7528\uff09<\/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=\"\/zh\/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=\"\u52a0\u5165\u8d2d\u7269\u8f66\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"\u52a0\u5165\u8d2d\u7269\u8f66\" 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=\"\/zh\/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=\"\u52a0\u5165\u8d2d\u7269\u8f66\uff1a\u201cBalanset-4\u201d\" rel=\"nofollow\" data-success_message=\"\u201cBalanset-4\u201d\u5df2\u6dfb\u52a0\u5230\u60a8\u7684\u8d2d\u7269\u8f66\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">\u52a0\u5165\u8d2d\u7269\u8f66<\/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\/zh\/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\/zh\/product\/magnet-stand\/\" title=\"\u78c1\u5ea7\u5c3a\u5bf8-60 \u5343\u514b\u529b\">\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=\"\u78c1\u94c1\u5e95\u5ea7\" 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\/zh\/product-category\/parts\/\" rel=\"tag\">\u90e8\u4ef6<\/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\/zh\/product\/magnet-stand\/\" title=\"\u78c1\u5ea7\u5c3a\u5bf8-60 \u5343\u514b\u529b\">\u78c1\u5ea7\u5c3a\u5bf8-60 \u5343\u514b\u529b<\/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> +\u589e\u503c\u7a0e\uff08\u5982\u9002\u7528\uff09<\/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=\"\/zh\/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=\"\u52a0\u5165\u8d2d\u7269\u8f66\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"\u52a0\u5165\u8d2d\u7269\u8f66\" 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=\"\/zh\/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=\"\u52a0\u5165\u8d2d\u7269\u8f66\uff1a\u201cMagnetic Stand Insize-60-kgf\u201d\" rel=\"nofollow\" data-success_message=\"\u201cMagnetic Stand Insize-60-kgf\u201d\u5df2\u6dfb\u52a0\u5230\u60a8\u7684\u8d2d\u7269\u8f66\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">\u52a0\u5165\u8d2d\u7269\u8f66<\/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\/zh\/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\/zh\/product\/reflective-tape\/\" title=\"\u53cd\u5149\u80f6\u5e26\">\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=\"\u53cd\u5149\u80f6\u5e26\" 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\/zh\/product-category\/parts\/\" rel=\"tag\">\u90e8\u4ef6<\/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\/zh\/product\/reflective-tape\/\" title=\"\u53cd\u5149\u80f6\u5e26\">\u53cd\u5149\u80f6\u5e26<\/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> +\u589e\u503c\u7a0e\uff08\u5982\u9002\u7528\uff09<\/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=\"\/zh\/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=\"\u52a0\u5165\u8d2d\u7269\u8f66\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"\u52a0\u5165\u8d2d\u7269\u8f66\" 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=\"\/zh\/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=\"\u52a0\u5165\u8d2d\u7269\u8f66\uff1a\u201cReflective tape\u201d\" rel=\"nofollow\" data-success_message=\"\u201cReflective tape\u201d\u5df2\u6dfb\u52a0\u5230\u60a8\u7684\u8d2d\u7269\u8f66\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">\u52a0\u5165\u8d2d\u7269\u8f66<\/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\/zh\/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\/zh\/product\/dynamic-balancer-balanset-1a\/\" title=\"\u52a8\u5e73\u8861\u673a &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 \u5957\u4ef6\u5185\u5bb9\u5305\u62ec\u63a5\u53e3\u88c5\u7f6e\u3001\u4f20\u611f\u5668\u3001\u8f6c\u901f\u8ba1\u548c\u9644\u4ef6\" 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\/zh\/product-category\/devices\/\" rel=\"tag\">\u8bbe\u5907<\/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\/zh\/product\/dynamic-balancer-balanset-1a\/\" title=\"\u52a8\u5e73\u8861\u673a &quot;Balanset-1A&quot; OEM\">\u52a8\u5e73\u8861\u673a \"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> +\u589e\u503c\u7a0e\uff08\u5982\u9002\u7528\uff09<\/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=\"\/zh\/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=\"\u52a0\u5165\u8d2d\u7269\u8f66\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"\u52a0\u5165\u8d2d\u7269\u8f66\" 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=\"\/zh\/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=\"\u52a0\u5165\u8d2d\u7269\u8f66\uff1a\u201cDynamic balancer \u201cBalanset-1A\u201d OEM\u201d\" rel=\"nofollow\" data-success_message=\"\u201cDynamic balancer \u201cBalanset-1A\u201d OEM\u201d\u5df2\u6dfb\u52a0\u5230\u60a8\u7684\u8d2d\u7269\u8f66\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">\u52a0\u5165\u8d2d\u7269\u8f66<\/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>\"(\u300a\u4e16\u754c\u4eba\u6743\u5ba3\u8a00\u300b) <strong>\u5feb\u901f\u5085\u91cc\u53f6\u53d8\u6362\uff08FFT\uff09<\/strong> \u662f\u4e00\u79cd\u5c06\u4fe1\u53f7\u4ece\u65f6\u57df\u8f6c\u6362\u5230\u9891\u57df\u7684\u9ad8\u6548\u6570\u5b66\u7b97\u6cd5\u3002\u5728 <a href=\"https:\/\/vibromera.eu\/zh\/glossary\/vibration-analysis\/\">\u632f\u52a8\u5206\u6790<\/a> \u5b83\u5c06\u539f\u59cb\u7684\u3001\u590d\u6742\u7684 <a href=\"https:\/\/vibromera.eu\/zh\/glossary\/time-waveform\/\">\u65f6\u95f4\u6ce2\u5f62<\/a> \u2014\u2014\u632f\u52a8\u632f\u5e45\u4e0e\u65f6\u95f4\u7684\u5173\u7cfb\u56fe\u2014\u2014\u53d8\u4e3a <a href=\"https:\/\/vibromera.eu\/zh\/glossary\/spectrum\/\">\u9891\u8c31<\/a>\uff0c\u5373\u632f\u5e45\u4e0e\u9891\u7387\u7684\u5173\u7cfb\u56fe\u3002\u8fd9\u79cd\u5355\u4e00\u7684\u53d8\u6362\u662f\u73b0\u4ee3\u673a\u68b0\u8bca\u65ad\u4e2d\u6700\u91cd\u8981\u3001\u6700\u57fa\u672c\u7684\u8fc7\u7a0b\uff1b\u6ca1\u6709\u5b83\uff0c\u632f\u52a8\u4fe1\u53f7\u53ea\u80fd\u662f\u4e00\u6bb5\u65e0\u6cd5\u89e3\u8bfb\u7684\u6742\u4e71\u66f2\u7ebf\u3002<\/p>\n<h2>1.\u5b9a\u4e49\uff1a\u4ec0\u4e48\u662f FFT\uff1f<\/h2>\n<p>FFT \u4e0d\u662f\u6d4b\u91cf\uff0c\u800c\u662f\u8ba1\u7b97\u3002\u5b83\u662f\u79bb\u6563\u5085\u7acb\u53f6\u53d8\u6362\u7684\u5feb\u901f\u5b9e\u73b0\uff0c\u5229\u7528\u6570\u5b66\u5bf9\u79f0\u6027\u5728\u51e0\u6beb\u79d2\u5185\u5b8c\u6210\u539f\u672c\u9700\u8981\u66f4\u957f\u65f6\u95f4\u624d\u80fd\u5b8c\u6210\u7684\u5de5\u4f5c\uff0c\u8fd9\u4e5f\u662f\u5b83\u80fd\u5728\u624b\u6301\u4eea\u5668\u4e0a\u5b9e\u65f6\u8fd0\u884c\u7684\u539f\u56e0\u3002\u5085\u7acb\u53f6\u53d8\u6362\u7684\u524d\u63d0\u662f\uff0c\u4efb\u4f55\u590d\u6742\u7684\u5468\u671f\u6027\u4fe1\u53f7\u90fd\u53ef\u4ee5\u91cd\u6784\u4e3a\u4e0d\u540c\u9891\u7387\u548c\u632f\u5e45\u7684\u7b80\u5355\u6b63\u5f26\u6ce2\u4e4b\u548c\u3002FFT \u53cd\u5411\u8fd0\u884c\u4e86\u8fd9\u4e00\u7406\u5ff5\uff1a\u5c06\u4e00\u4e2a\u590d\u6742\u7684\u6ce2\u5f62\u4ea4\u7ed9\u5b83\uff0c\u5b83\u5c31\u4f1a\u8fd4\u56de\u7531\u5176\u6784\u6210\u7684\u6b63\u5f26\u6ce2\u5217\u8868\u3002<\/p>\n<h2>2.\u4e3a\u4ec0\u4e48 FFT \u5bf9\u8bca\u65ad\u81f3\u5173\u91cd\u8981<\/h2>\n<p>\u673a\u5668\u8fd0\u884c\u65f6\u7684\u539f\u59cb\u65f6\u95f4\u6ce2\u5f62\u662f\u540c\u65f6\u53d1\u751f\u7684\u591a\u79cd\u632f\u52a8\u7684\u6df7\u5408\u4f53\uff0c\u51e0\u4e4e\u4e0d\u53ef\u80fd\u901a\u8fc7\u76ee\u6d4b\u6765\u5224\u65ad\u673a\u5668\u7684\u5065\u5eb7\u72b6\u51b5\u3002FFT \u5c31\u50cf\u4e00\u4e2a\u68f1\u955c\uff0c\u5c06\u590d\u6742\u7684\u4fe1\u53f7\u5206\u5272\u6210\u5404\u4e2a\u9891\u7387\u6210\u5206\u3002\u5176\u7ed3\u679c\u662f\u4e00\u4e2a\u6e05\u6670\u3001\u53ef\u64cd\u4f5c\u7684\u56fe\u8868\uff0c\u8ba9\u5206\u6790\u4eba\u5458\u80fd\u591f\u770b\u5230\uff1a<\/p>\n<ul>\n<li><strong>\u5b58\u5728\u54ea\u4e9b\u9891\u7387\uff1f<\/strong><\/li>\n<li><strong>\u6bcf\u4e2a\u9891\u7387\u6709\u591a\u5c11\u80fd\u91cf\uff08\u632f\u5e45\uff09\uff1f<\/strong><\/li>\n<li><strong>\u8fd9\u4e9b\u9891\u7387\u4e4b\u95f4\u7684\u5173\u7cfb\u662f\u4ec0\u4e48\uff1f<\/strong><\/li>\n<\/ul>\n<p>\u56e0\u4e3a\u4e0d\u540c\u7684\u673a\u68b0\u548c\u7535\u6c14\u6545\u969c <a href=\"https:\/\/vibromera.eu\/zh\/glossary\/unbalance\/\">\u4e0d\u5e73\u8861<\/a>, <a href=\"https:\/\/vibromera.eu\/zh\/glossary\/misalignment\/\">\u9519\u4f4d<\/a>, <a href=\"https:\/\/vibromera.eu\/zh\/glossary\/bearing-defects\/\">\u8f74\u627f\u7f3a\u9677<\/a>\uff0c \u548c <a href=\"https:\/\/vibromera.eu\/zh\/glossary\/looseness\/\">\u677e\u5f1b<\/a> \u2014\u6bcf\u79cd\u6545\u969c\u90fd\u4f1a\u5728\u975e\u5e38\u7279\u5b9a\u7684\u3001\u53ef\u9884\u6d4b\u7684\u9891\u7387\u4e0a\u4ea7\u751f\u632f\u52a8\uff0c\u56e0\u6b64\u9891\u8c31\u63d0\u4f9b\u4e86\u627e\u5230\u95ee\u9898\u6839\u6e90\u7684\u76f4\u63a5\u8def\u7ebf\u56fe\u3002\u8fd9\u79cd\u9891\u57df\u89c6\u56fe\u662f\u6240\u6709\u632f\u52a8\u5206\u6790\u7684\u57fa\u7840\u3002 <a href=\"https:\/\/vibromera.eu\/zh\/glossary\/spectral-analysis\/\">\u5149\u8c31\u5206\u6790<\/a>.<\/p>\n<h2>3.FFT \u5206\u6790\u7684\u5173\u952e\u53c2\u6570<\/h2>\n<p>\u4e3a\u4e86\u83b7\u5f97\u6709\u7528\u7684\u9891\u8c31\uff0c\u5206\u6790\u5e08\u9700\u8981\u5728\u6570\u636e\u91c7\u96c6\u5668\u6216\u8f6f\u4ef6\u4e0a\u8bbe\u7f6e\u51e0\u4e2a\u53c2\u6570\u3002\u5982\u679c\u53c2\u6570\u8bbe\u7f6e\u9519\u8bef\uff0c\u5c31\u4f1a\u9057\u6f0f\u771f\u6b63\u7684\u6545\u969c\uff1b\u5982\u679c\u53c2\u6570\u8bbe\u7f6e\u6b63\u786e\uff0c\u6545\u969c\u5c31\u4f1a\u6e05\u6670\u53ef\u89c1\u3002<\/p>\n<h3>Fmax\uff08\u6700\u5927\u9891\u7387\uff09<\/h3>\n<p>\u9891\u8c31\u4e2d\u5305\u542b\u7684\u6700\u9ad8\u9891\u7387\u3002\u5b83\u5fc5\u987b\u8bbe\u7f6e\u5f97\u8db3\u591f\u9ad8\uff0c\u4ee5\u6355\u6349\u5230\u611f\u5174\u8da3\u7684\u6700\u9ad8\u9891\u7387\u6545\u969c\u2014\u2014\u9ad8\u9891 <a href=\"https:\/\/vibromera.eu\/zh\/glossary\/gear-mesh-frequency\/\">\u9f7f\u8f6e\u556e\u5408<\/a> \u4f46\u4e5f\u4e0d\u80fd\u592a\u9ad8\uff0c\u4ee5\u514d\u6d6a\u8d39\u4f4e\u9891\u7ec6\u8282\u3002\u4e3a\u4e86\u9632\u6b62 <a href=\"https:\/\/vibromera.eu\/zh\/glossary\/aliasing\/\">\u6df7\u53e0<\/a>, \u4eea\u5668\u5e94\u7528\u6297\u952f\u9f7f <a href=\"https:\/\/vibromera.eu\/zh\/glossary\/low-pass-filter\/\">\u4f4e\u901a\u6ee4\u6ce2\u5668<\/a> \u4f4e\u4e8e\u91c7\u6837\u7387\uff0c\u7136\u540e\u518d\u8ba1\u7b97 FFT\u3002<\/p>\n<h3>\u5206\u8fa8\u7387\uff08\u5206\u8fa8\u7387\u7ebf\uff09<\/h3>\n<p>\u8fd9\u5c31\u8bbe\u5b9a\u4e86\u8be6\u7ec6\u7a0b\u5ea6--\u5728 Fmax \u4e0a\u8ba1\u7b97\u51fa\u7684\u79bb\u6563\u9891\u7387 \u201c\u7bb1 \u201d\u7684\u6570\u91cf\u3002\u7ebf\u6570\u8d8a\u591a\uff08\u4f8b\u5982 3,200 \u6216 6,400 \u7ebf\uff09\uff0c\u5206\u8fa8\u7387\u8d8a\u9ad8\uff0c\u8fd9\u610f\u5473\u7740\u5206\u79bb\u4e24\u4e2a\u76f8\u90bb\u9891\u7387\u7684\u80fd\u529b\u8d8a\u5f3a\u3002\u9ad8\u5206\u8fa8\u7387\u5bf9\u4e8e\u5206\u8fa8\u8282\u62cd\u9891\u7387\u6216\u5206\u8fa8\u95f4\u8ddd\u5f88\u8fd1\u7684\u9891\u7387\u81f3\u5173\u91cd\u8981\u3002 <a href=\"https:\/\/vibromera.eu\/zh\/glossary\/sidebands\/\">\u8fb9\u5e26<\/a> \u5728\u9f7f\u8f6e\u7bb1\u5206\u6790\u4e2d\u3002\u7531\u4e8e\u4e8c\u8fdb\u5236\u5bbd\u5ea6\u7b49\u4e8e Fmax \u9664\u4ee5\u7ebf\u6570\uff0c\u56e0\u6b64\u5728\u8de8\u5ea6\u548c\u7ec6\u8282\u4e4b\u95f4\u603b\u8981\u6709\u6240\u53d6\u820d\u3002 <a href=\"https:\/\/vibromera.eu\/zh\/calculators\/fft-resolution-calculator\/\">FFT \u5206\u8fa8\u7387\u8ba1\u7b97\u5668<\/a> \u663e\u793a\u4efb\u4f55\u8bbe\u7f6e\u4e0b\u4ea7\u751f\u7684\u4e8c\u8fdb\u5236\u5bbd\u5ea6\u548c\u91c7\u96c6\u65f6\u95f4\uff0c\u5e76\u7528 <a href=\"https:\/\/vibromera.eu\/zh\/glossary\/zoom-fft\/\">\u7f29\u653eFFT<\/a> \u5f53\u9700\u8981\u66f4\u7cbe\u7ec6\u7684\u5206\u79bb\u65f6\uff0c\u53ef\u4ee5\u5c06\u6240\u6709\u53ef\u7528\u7684\u7ebf\u6761\u96c6\u4e2d\u5230\u4e00\u4e2a\u7a84\u5e26\u4e2d\u3002<\/p>\n<h3>\u5e73\u5747\u503c<\/h3>\n<p>\u7531\u4e8e\u673a\u5668\u632f\u52a8\u4f1a\u6ce2\u52a8\uff0c\u5355\u4e00\u7684 FFT \u5feb\u7167\u53ef\u80fd\u4f1a\u4ea7\u751f\u8bef\u5bfc\u3002\u5e73\u5747\u6cd5\u53ef\u4ee5\u5feb\u901f\u8fde\u7eed\u5730\u83b7\u53d6\u591a\u4e2a FFT \u5e76\u5c06\u5b83\u4eec\u7ec4\u5408\u8d77\u6765\uff0c\u4ece\u800c\u6291\u5236\u968f\u673a\u566a\u58f0\uff0c\u83b7\u5f97\u66f4\u7a33\u5b9a\u3001\u53ef\u91cd\u590d\u7684\u9891\u8c31\uff0c\u771f\u5b9e\u53cd\u6620\u673a\u5668\u7684\u72b6\u51b5\u3002<\/p>\n<h3>\u7a97\u53e3\u5316<\/h3>\n<p>A <a href=\"https:\/\/vibromera.eu\/zh\/glossary\/windowing\/\">\u7a97\u53e3\u529f\u80fd<\/a> - \u6700\u5e38\u89c1\u7684\u662f <a href=\"https:\/\/vibromera.eu\/zh\/glossary\/hanning-window\/\">\u6c49\u5b81\u7a97<\/a> - \u662f\u5728\u53d8\u6362\u524d\u5bf9\u65f6\u95f4\u6570\u636e\u8fdb\u884c\u7684\u6570\u5b66\u52a0\u6743\u3002\u5b83\u80fd\u6700\u5927\u9650\u5ea6\u5730\u51cf\u5c11\u8bef\u5dee\uff0c\u8bef\u5dee\u79f0\u4e3a <a href=\"https:\/\/vibromera.eu\/zh\/glossary\/spectral-leakage\/\">\u9891\u8c31\u6cc4\u6f0f<\/a>\uff0c\u5426\u5219\uff0c\u4e00\u4e2a\u5c16\u9510\u7684\u5cf0\u503c\u5c31\u4f1a\u5728\u76f8\u90bb\u7684\u5206\u6bb5\u4e2d\u88ab\u62b9\u5f00\uff0c\u4ece\u800c\u7834\u574f\u5176\u632f\u5e45\u548c\u8868\u89c2\u9891\u7387\u3002<\/p>\n<h2>4.\u89e3\u8bfb FFT \u9891\u8c31<\/h2>\n<p>\u8bad\u7ec3\u6709\u7d20\u7684\u5206\u6790\u5e08\u901a\u8fc7\u8bc6\u522b\u7279\u5f81\u6a21\u5f0f\u6765\u8bfb\u53d6\u5149\u8c31\uff1a<\/p>\n<ul>\n<li>\u4e00\u4e2a\u5927\u5cf0\u503c <strong>1\u00d7 <a href=\"https:\/\/vibromera.eu\/zh\/glossary\/running-speed\/\">\u8fd0\u884c\u901f\u5ea6<\/a><\/strong> \u8868\u793a\u4e0d\u5e73\u8861\u3002<\/li>\n<li>\u4e00\u4e2a\u5927\u5cf0\u503c <strong>2\u00d7<\/strong> \u8fd0\u884c\u901f\u5ea6\u5f80\u5f80\u8868\u660e\u5b58\u5728\u4e0d\u5bf9\u4e2d\u3002<\/li>\n<li>\u4e00\u957f\u4e32 <strong><a href=\"https:\/\/vibromera.eu\/zh\/glossary\/harmonics\/\">\u8c10\u6ce2<\/a><\/strong> \uff081\u00d7\u30012\u00d7\u30013\u00d7\u30014\u00d7\u2026\u2026\uff09\u662f\u673a\u68b0\u677e\u52a8\u7684\u5178\u578b\u6807\u5fd7\u3002<\/li>\n<li>\u5728\u8fd0\u884c\u901f\u5ea6\u5904\u51fa\u73b0\u5e26\u8fb9\u5e26\u7684\u9ad8\u9891\u5cf0\u503c\u662f\u53d8\u901f\u7bb1\u6216\u8f74\u627f\u6545\u969c\u7684\u9884\u5146\u3002<\/li>\n<li>\u5bbd\u5e26\u566a\u58f0 \u201c\u5e95\u7ebf \u201d\u5347\u9ad8\u53ef\u80fd\u8868\u660e <a href=\"https:\/\/vibromera.eu\/zh\/glossary\/cavitation\/\">\u7a7a\u5316<\/a> \u5728\u6cf5\u6216\u4e00\u822c\u6469\u64e6\u4e2d\u3002<\/li>\n<\/ul>\n<p>\u901a\u8fc7\u5c06\u5f53\u524d\u9891\u8c31\u4e0e <a href=\"https:\/\/vibromera.eu\/zh\/glossary\/baseline\/\">\u57fa\u7ebf<\/a> \u4e0e\u673a\u5668\u5065\u5eb7\u65f6\u8bb0\u5f55\u7684\u57fa\u51c6\u9891\u8c31\u76f8\u6bd4\uff0c\u5206\u6790\u5e08\u53ef\u4ee5\u53d1\u73b0\u53d8\u5316\uff0c\u5e76\u5728\u95ee\u9898\u53d1\u5c55\u6210\u4e25\u91cd\u6545\u969c\u4e4b\u524d\u53ca\u65e9\u8bca\u65ad\u51fa\u6765\u3002<\/p>\n<h2>5.FFT \u5728\u5b9e\u9645\u73b0\u573a\u6d4b\u91cf\u4e2d\u7684\u5e94\u7528<\/h2>\n<p>\u5728\u4fbf\u643a\u5f0f\u4eea\u5668\u4e0a\uff0cFFT \u662f\u6839\u636e\u5b9e\u65f6\u6570\u636e\u5f53\u573a\u8ba1\u7b97\u51fa\u6765\u7684\u3002 <a href=\"https:\/\/vibromera.eu\/zh\/glossary\/accelerometer\/\">\u52a0\u901f\u5ea6\u8ba1<\/a> \u4fe1\u53f7\u3002\u8be5 <a href=\"https:\/\/vibromera.eu\/zh\/%e4%ba%a7%e5%93%81\/%e5%b9%b3%e8%a1%a1%e6%9d%86-1\/\">Balanset-1A<\/a>, \u53cc\u901a\u9053\u73b0\u573a\u5206\u6790\u4eea\u53ef\u6355\u6349\u65f6\u95f4\u6ce2\u5f62\u5e76\u663e\u793a\u4ece\u5927\u7ea6 5 Hz \u5230 1000 Hz \u7684\u9891\u8c31\uff0c\u56e0\u6b64\u5de5\u7a0b\u5e08\u53ef\u4ee5\u8bfb\u53d6\u8fd0\u884c\u901f\u5ea6\u5cf0\u503c\u3001\u8c10\u6ce2\u4ee5\u53ca\u673a\u5668\u4e0a\u7684\u4efb\u4f55\u8f74\u627f\u6216\u9f7f\u8f6e\u97f3\u3002\u4e0e\u6bcf\u8f6c\u4e00\u6b21\u7684\u8f6c\u901f\u8ba1\u8109\u51b2\u76f8\u7ed3\u5408\uff0c\u76f8\u540c\u7684\u6570\u636e\u96c6\u53ef\u652f\u6301\u57fa\u4e8e\u76f8\u4f4d\u7684\u5e73\u8861\uff0c\u800c <a href=\"https:\/\/vibromera.eu\/zh\/glossary\/order-analysis\/\">\u9636\u6b21\u5206\u6790<\/a> \u5728\u53d8\u901f\u673a\u5668\u4e0a\uff0c\u53ef\u5c06\u9891\u8c31\u91cd\u65b0\u53c2\u8003\u4e3a\u8fd0\u884c\u901f\u5ea6\u7684\u500d\u6570\u2014\u2014\u5c06 FFT \u4ece\u9759\u6001\u56fe\u8868\u8f6c\u53d8\u4e3a\u73b0\u573a\u8bca\u65ad\u548c\u5e73\u8861\u5de5\u4f5c\u6d41\u7a0b\u7684\u5f15\u64ce\u3002<\/p>\n<hr>\n<p><a href=\"https:\/\/vibromera.eu\/zh\/glossary\/\">\u2190 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