{"id":2924,"date":"2024-07-12T06:41:54","date_gmt":"2024-07-12T06:41:54","guid":{"rendered":"https:\/\/nfc-readers.com\/?p=2924"},"modified":"2024-07-12T06:41:54","modified_gmt":"2024-07-12T06:41:54","slug":"how-does-an-rfid-reader-work","status":"publish","type":"post","link":"https:\/\/nfc-readers.com\/vi\/how-does-an-rfid-reader-work\/","title":{"rendered":"\u0110\u1ea7u \u0111\u1ecdc RFID ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o?"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_73 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">M\u1ee5c l\u1ee5c<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Chuy\u1ec3n \u0111\u1ed5i m\u1ee5c l\u1ee5c\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Chuy\u1ec3n \u0111\u1ed5i<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/nfc-readers.com\/vi\/how-does-an-rfid-reader-work\/#Introduction\" title=\"Gi\u1edbi thi\u1ec7u\">Gi\u1edbi thi\u1ec7u<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/nfc-readers.com\/vi\/how-does-an-rfid-reader-work\/#RFID_Powering_the_Connection_The_Art_of_Energy_Harvesting_and_Backscatter_Communication\" title=\"RFID cung c\u1ea5p n\u0103ng l\u01b0\u1ee3ng cho k\u1ebft n\u1ed1i: Ngh\u1ec7 thu\u1eadt thu th\u1eadp n\u0103ng l\u01b0\u1ee3ng v\u00e0 truy\u1ec1n th\u00f4ng t\u00e1n x\u1ea1 ng\u01b0\u1ee3c\">RFID cung c\u1ea5p n\u0103ng l\u01b0\u1ee3ng cho k\u1ebft n\u1ed1i: Ngh\u1ec7 thu\u1eadt thu th\u1eadp n\u0103ng l\u01b0\u1ee3ng v\u00e0 truy\u1ec1n th\u00f4ng t\u00e1n x\u1ea1 ng\u01b0\u1ee3c<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/nfc-readers.com\/vi\/how-does-an-rfid-reader-work\/#Bridging_the_Gap_Inductive_Coupling_for_Close-Range_Harmony\" title=\"Thu h\u1eb9p kho\u1ea3ng c\u00e1ch: Gh\u00e9p n\u1ed1i c\u1ea3m \u1ee9ng cho s\u1ef1 h\u00e0i h\u00f2a t\u1ea7m g\u1ea7n\">Thu h\u1eb9p kho\u1ea3ng c\u00e1ch: Gh\u00e9p n\u1ed1i c\u1ea3m \u1ee9ng cho s\u1ef1 h\u00e0i h\u00f2a t\u1ea7m g\u1ea7n<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/nfc-readers.com\/vi\/how-does-an-rfid-reader-work\/#Reaching_Further_Riding_Electromagnetic_Waves_for_Long-Distance_Communication\" title=\"V\u01b0\u01a1n xa h\u01a1n: S\u1eed d\u1ee5ng s\u00f3ng \u0111i\u1ec7n t\u1eeb \u0111\u1ec3 truy\u1ec1n th\u00f4ng \u0111\u01b0\u1eddng d\u00e0i\">V\u01b0\u01a1n xa h\u01a1n: S\u1eed d\u1ee5ng s\u00f3ng \u0111i\u1ec7n t\u1eeb \u0111\u1ec3 truy\u1ec1n th\u00f4ng \u0111\u01b0\u1eddng d\u00e0i<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/nfc-readers.com\/vi\/how-does-an-rfid-reader-work\/#Deciphering_the_Whispers_From_Reflected_Signals_to_Actionable_Information\" title=\"Gi\u1ea3i m\u00e3 nh\u1eefng l\u1eddi th\u00ec th\u1ea7m: T\u1eeb t\u00edn hi\u1ec7u ph\u1ea3n x\u1ea1 \u0111\u1ebfn th\u00f4ng tin c\u00f3 th\u1ec3 h\u00e0nh \u0111\u1ed9ng\">Gi\u1ea3i m\u00e3 nh\u1eefng l\u1eddi th\u00ec th\u1ea7m: T\u1eeb t\u00edn hi\u1ec7u ph\u1ea3n x\u1ea1 \u0111\u1ebfn th\u00f4ng tin c\u00f3 th\u1ec3 h\u00e0nh \u0111\u1ed9ng<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/nfc-readers.com\/vi\/how-does-an-rfid-reader-work\/#Conclusion\" title=\"Ph\u1ea7n k\u1ebft lu\u1eadn\">Ph\u1ea7n k\u1ebft lu\u1eadn<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Introduction\"><\/span>Gi\u1edbi thi\u1ec7u<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<div><\/div>\n<div class=\"auto-hide-last-sibling-br paragraph_9dc5f paragraph-element\">RFID, vi\u1ebft t\u1eaft c\u1ee7a Radio-Frequency Identification, \u0111\u00e3 \u00e2m th\u1ea7m tr\u1edf th\u00e0nh m\u1ed9t ph\u1ea7n kh\u00f4ng th\u1ec3 thi\u1ebfu trong th\u1ebf gi\u1edbi c\u1ee7a ch\u00fang ta. T\u1eeb vi\u1ec7c h\u1ee3p l\u00fd h\u00f3a qu\u1ea3n l\u00fd h\u00e0ng t\u1ed3n kho \u0111\u1ebfn \u0111\u1ea9y nhanh vi\u1ec7c thanh to\u00e1n t\u1ea1i tr\u1ea1m thu ph\u00ed, c\u00f4ng ngh\u1ec7 n\u00e0y \u0111\u1ecdc d\u1eef li\u1ec7u m\u1ed9t c\u00e1ch li\u1ec1n m\u1ea1ch t\u1eeb c\u00e1c th\u1ebb nh\u1ecf, kh\u00f4ng ph\u00f4 tr\u01b0\u01a1ng. Nh\u01b0ng qu\u00e1 tr\u00ecnh c\u00f3 v\u1ebb k\u1ef3 di\u1ec7u n\u00e0y th\u1ef1c s\u1ef1 ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o? B\u00e0i vi\u1ebft n\u00e0y \u0111i s\u00e2u v\u00e0o s\u1ef1 ph\u1ee9c t\u1ea1p c\u1ee7a <a href=\"https:\/\/nfc-readers.com\/vi\/Wholesale\/rfid-nfc-reader\/\">\u0110\u1ea7u \u0111\u1ecdc RFID<\/a>, ti\u1ebft l\u1ed9 k\u1ef9 thu\u1eadt kh\u00e9o l\u00e9o cho ph\u00e9p h\u1ecd x\u00e1c \u0111\u1ecbnh v\u00e0 giao ti\u1ebfp v\u1edbi <a href=\"https:\/\/nfc-readers.com\/vi\/Wholesale\/nfc-tags\/\">Th\u1ebb RFID<\/a>.<\/div>\n<div><\/div>\n<div><\/div>\n<div><\/div>\n<figure id=\"attachment_2925\" aria-describedby=\"caption-attachment-2925\" style=\"width: 566px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-2925\" src=\"https:\/\/nfc-readers.com\/wp-content\/uploads\/2024\/07\/rfid-reader--300x186.png\" alt=\"\u0111\u1ea7u \u0111\u1ecdc rfid\" width=\"566\" height=\"351\" srcset=\"https:\/\/nfc-readers.com\/wp-content\/uploads\/2024\/07\/rfid-reader--300x186.png 300w, https:\/\/nfc-readers.com\/wp-content\/uploads\/2024\/07\/rfid-reader--768x477.png 768w, https:\/\/nfc-readers.com\/wp-content\/uploads\/2024\/07\/rfid-reader--18x12.png 18w, https:\/\/nfc-readers.com\/wp-content\/uploads\/2024\/07\/rfid-reader--600x373.png 600w, https:\/\/nfc-readers.com\/wp-content\/uploads\/2024\/07\/rfid-reader-.png 785w\" sizes=\"auto, (max-width: 566px) 100vw, 566px\" \/><figcaption id=\"caption-attachment-2925\" class=\"wp-caption-text\"><a href=\"https:\/\/nfc-readers.com\/vi\/Wholesale\/rfid-nfc-reader\/\">\u0111\u1ea7u \u0111\u1ecdc rfid<\/a><\/figcaption><\/figure>\n<h2 class=\"header_20b47 auto-hide-last-sibling-br\"><span class=\"ez-toc-section\" id=\"RFID_Powering_the_Connection_The_Art_of_Energy_Harvesting_and_Backscatter_Communication\"><\/span>RFID cung c\u1ea5p n\u0103ng l\u01b0\u1ee3ng cho k\u1ebft n\u1ed1i: Ngh\u1ec7 thu\u1eadt thu th\u1eadp n\u0103ng l\u01b0\u1ee3ng v\u00e0 truy\u1ec1n th\u00f4ng t\u00e1n x\u1ea1 ng\u01b0\u1ee3c<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&nbsp;<\/p>\n<div class=\"auto-hide-last-sibling-br paragraph_9dc5f paragraph-element\">Trung t\u00e2m c\u1ee7a m\u1ecdi h\u1ec7 th\u1ed1ng RFID n\u1eb1m \u1edf \u0111\u1ea7u \u0111\u1ecdc, ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t ng\u01b0\u1eddi ch\u1ec9 huy \u0111i\u1ec1u ph\u1ed1i vi\u1ec7c trao \u0111\u1ed5i th\u00f4ng tin. Kh\u00f4ng gi\u1ed1ng nh\u01b0 m\u00e1y qu\u00e9t m\u00e3 v\u1ea1ch \u0111\u00f2i h\u1ecfi ph\u1ea3i c\u00f3 \u0111\u01b0\u1eddng ng\u1eafm tr\u1ef1c ti\u1ebfp, <a href=\"https:\/\/nfc-readers.com\/vi\/Wholesale\/rfid-nfc-reader\/\">\u0110\u1ea7u \u0111\u1ecdc RFID<\/a> s\u1eed d\u1ee5ng s\u00f3ng v\u00f4 tuy\u1ebfn \u0111\u1ec3 giao ti\u1ebfp v\u1edbi th\u1ebb. B\u00e2y gi\u1edd, h\u00e3y t\u01b0\u1edfng t\u01b0\u1ee3ng \u0111i\u1ec1u n\u00e0y: th\u1ebb RFID th\u1ee5 \u0111\u1ed9ng, nh\u1eefng con chip nh\u1ecf g\u1eafn v\u00e0o s\u1ea3n ph\u1ea9m, kh\u00f4ng c\u00f3 ngu\u1ed3n \u0111i\u1ec7n ri\u00eang. V\u1eady ch\u00fang ph\u1ea3n h\u1ed3i cu\u1ed9c g\u1ecdi c\u1ee7a ng\u01b0\u1eddi \u0111\u1ecdc nh\u01b0 th\u1ebf n\u00e0o?<\/div>\n<p>&nbsp;<\/p>\n<div class=\"auto-hide-last-sibling-br paragraph_9dc5f paragraph-element\">C\u00e2u tr\u1ea3 l\u1eddi n\u1eb1m \u1edf m\u1ed9t k\u1ef9 thu\u1eadt th\u00f4ng minh \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u201ccung c\u1ea5p n\u0103ng l\u01b0\u1ee3ng ch\u00f9m tia\u201d. \u0110\u1ea7u \u0111\u1ecdc RFID, th\u00f4ng qua \u0103ng-ten c\u1ee7a n\u00f3, ph\u00e1t ra s\u00f3ng \u0111i\u1ec7n t\u1eeb th\u1ea5m v\u00e0o kh\u00f4ng gian xung quanh. Khi m\u1ed9t th\u1ebb RFID th\u1ee5 \u0111\u1ed9ng \u0111i v\u00e0o tr\u01b0\u1eddng n\u0103ng l\u01b0\u1ee3ng n\u00e0y, \u0103ng-ten b\u00ean trong c\u1ee7a n\u00f3, th\u01b0\u1eddng l\u00e0 m\u1ed9t cu\u1ed9n d\u00e2y \u0111\u01a1n gi\u1ea3n, s\u1ebd thu m\u1ed9t ph\u1ea7n n\u0103ng l\u01b0\u1ee3ng n\u00e0y. N\u0103ng l\u01b0\u1ee3ng thu \u0111\u01b0\u1ee3c n\u00e0y sau \u0111\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng m\u1ed9t c\u00e1ch kh\u00e9o l\u00e9o \u0111\u1ec3 cung c\u1ea5p n\u0103ng l\u01b0\u1ee3ng cho m\u1ed9t vi m\u1ea1ch nh\u1ecf b\u00ean trong th\u1ebb, khi\u1ebfn n\u00f3 ho\u1ea1t \u0111\u1ed9ng, m\u1eb7c d\u00f9 ch\u1ec9 trong ch\u1ed1c l\u00e1t.<\/div>\n<p>&nbsp;<\/p>\n<div class=\"auto-hide-last-sibling-br paragraph_9dc5f paragraph-element\">Sau khi \u0111\u01b0\u1ee3c c\u1ea5p \u0111i\u1ec7n, th\u1ebb cu\u1ed1i c\u00f9ng c\u00f3 th\u1ec3 ph\u1ea3n h\u1ed3i v\u1edbi \u0111\u1ea7u \u0111\u1ecdc. Tuy nhi\u00ean, v\u1edbi ngu\u1ed3n \u0111i\u1ec7n h\u1ea1n ch\u1ebf nh\u01b0 v\u1eady thu \u0111\u01b0\u1ee3c t\u1eeb s\u00f3ng c\u1ee7a \u0111\u1ea7u \u0111\u1ecdc, n\u00f3 kh\u00f4ng th\u1ec3 ch\u1ec9 \u0111\u01a1n gi\u1ea3n l\u00e0 ph\u00e1t l\u1ea1i t\u00edn hi\u1ec7u c\u1ee7a ch\u00ednh n\u00f3. \u0110\u00e2y l\u00e0 l\u00fac &quot;ph\u1ea3n x\u1ea1 ng\u01b0\u1ee3c&quot; xu\u1ea5t hi\u1ec7n. H\u00e3y ngh\u0129 v\u1ec1 n\u00f3 nh\u01b0 m\u1ed9t t\u1ea5m g\u01b0\u01a1ng ph\u1ea3n chi\u1ebfu \u00e1nh s\u00e1ng. Th\u1ebb \u0111\u01b0\u1ee3c c\u1ea5p \u0111i\u1ec7n kh\u00e9o l\u00e9o \u0111i\u1ec1u ch\u1ec9nh - ngh\u0129a l\u00e0 n\u00f3 thay \u0111\u1ed5i m\u1ed9t c\u00e1ch tinh t\u1ebf - t\u00edn hi\u1ec7u \u0111\u1ebfn c\u1ee7a \u0111\u1ea7u \u0111\u1ecdc v\u00e0 ph\u1ea3n x\u1ea1 l\u1ea1i. S\u1ef1 ph\u1ea3n x\u1ea1 thay \u0111\u1ed5i n\u00e0y, trong khi v\u1eabn d\u1ef1a v\u00e0o n\u0103ng l\u01b0\u1ee3ng c\u1ee7a \u0111\u1ea7u \u0111\u1ecdc, gi\u1edd \u0111\u00e2y mang d\u1eef li\u1ec7u c\u1ee7a th\u1ebb \u0111\u01b0\u1ee3c m\u00e3 h\u00f3a trong c\u00e1c bi\u1ebfn th\u1ec3 tinh t\u1ebf c\u1ee7a n\u00f3.<\/div>\n<p>&nbsp;<\/p>\n<h2 class=\"header_20b47 auto-hide-last-sibling-br\"><span class=\"ez-toc-section\" id=\"Bridging_the_Gap_Inductive_Coupling_for_Close-Range_Harmony\"><\/span>Thu h\u1eb9p kho\u1ea3ng c\u00e1ch: Gh\u00e9p n\u1ed1i c\u1ea3m \u1ee9ng cho s\u1ef1 h\u00e0i h\u00f2a t\u1ea7m g\u1ea7n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&nbsp;<\/p>\n<div class=\"auto-hide-last-sibling-br paragraph_9dc5f paragraph-element\">Trong khi ch\u00f9m tia cung c\u1ea5p n\u0103ng l\u01b0\u1ee3ng v\u00e0 t\u00e1n x\u1ea1 ng\u01b0\u1ee3c l\u00fd t\u01b0\u1edfng cho c\u00e1c \u1ee9ng d\u1ee5ng t\u1ea7m trung, giao ti\u1ebfp RFID t\u1ea7m ng\u1eafn th\u01b0\u1eddng d\u1ef1a tr\u00ean m\u1ed9t nguy\u00ean l\u00fd kh\u00e1c \u2013 gh\u00e9p c\u1ea3m \u1ee9ng. H\u00e3y t\u01b0\u1edfng t\u01b0\u1ee3ng hai cu\u1ed9n d\u00e2y \u0111\u01b0\u1ee3c \u0111\u1eb7t g\u1ea7n nhau. Khi m\u1ed9t d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u ch\u1ea1y qua m\u1ed9t cu\u1ed9n d\u00e2y, n\u00f3 t\u1ea1o ra m\u1ed9t t\u1eeb tr\u01b0\u1eddng dao \u0111\u1ed9ng, \u0111\u1ebfn l\u01b0\u1ee3t n\u00f3, t\u1ea1o ra d\u00f2ng \u0111i\u1ec7n trong cu\u1ed9n d\u00e2y th\u1ee9 hai.<\/div>\n<p>&nbsp;<\/p>\n<div class=\"auto-hide-last-sibling-br paragraph_9dc5f paragraph-element\">Gh\u00e9p n\u1ed1i c\u1ea3m \u1ee9ng trong RFID khai th\u00e1c \u0111i\u1ec7u nh\u1ea3y \u0111i\u1ec7n t\u1eeb tao nh\u00e3 n\u00e0y. \u0102ng-ten c\u1ee7a \u0111\u1ea7u \u0111\u1ecdc t\u1ea1o ra m\u1ed9t t\u1eeb tr\u01b0\u1eddng t\u1eadp trung. Khi m\u1ed9t th\u1ebb \u0111\u1ebfn g\u1ea7n, th\u01b0\u1eddng l\u00e0 v\u00e0i cm, \u0103ng-ten b\u00ean trong c\u1ee7a n\u00f3 s\u1ebd t\u01b0\u01a1ng t\u00e1c v\u1edbi t\u1eeb tr\u01b0\u1eddng dao \u0111\u1ed9ng n\u00e0y. T\u01b0\u01a1ng t\u00e1c n\u00e0y t\u1ea1o ra d\u00f2ng \u0111i\u1ec7n trong \u0103ng-ten c\u1ee7a th\u1ebb, truy\u1ec1n n\u0103ng l\u01b0\u1ee3ng kh\u00f4ng d\u00e2y hi\u1ec7u qu\u1ea3, r\u1ea5t gi\u1ed1ng v\u1edbi c\u00e1ch c\u00e1c mi\u1ebfng s\u1ea1c kh\u00f4ng d\u00e2y cung c\u1ea5p n\u0103ng l\u01b0\u1ee3ng cho \u0111i\u1ec7n tho\u1ea1i th\u00f4ng minh c\u1ee7a ch\u00fang ta. D\u00f2ng \u0111i\u1ec7n c\u1ea3m \u1ee9ng n\u00e0y sau \u0111\u00f3 c\u1ea5p ngu\u1ed3n cho vi m\u1ea1ch c\u1ee7a th\u1ebb, cho ph\u00e9p n\u00f3 g\u1eedi d\u1eef li\u1ec7u nh\u1eadn d\u1ea1ng c\u1ee7a m\u00ecnh tr\u1edf l\u1ea1i \u0111\u1ea7u \u0111\u1ecdc, m\u1ed9t l\u1ea7n n\u1eefa s\u1eed d\u1ee5ng ph\u1ea3n x\u1ea1 ng\u01b0\u1ee3c \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ebf.<\/div>\n<p>&nbsp;<\/p>\n<h2 class=\"header_20b47 auto-hide-last-sibling-br\"><span class=\"ez-toc-section\" id=\"Reaching_Further_Riding_Electromagnetic_Waves_for_Long-Distance_Communication\"><\/span>V\u01b0\u01a1n xa h\u01a1n: S\u1eed d\u1ee5ng s\u00f3ng \u0111i\u1ec7n t\u1eeb \u0111\u1ec3 truy\u1ec1n th\u00f4ng \u0111\u01b0\u1eddng d\u00e0i<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&nbsp;<\/p>\n<div class=\"auto-hide-last-sibling-br paragraph_9dc5f paragraph-element\">\u0110\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng y\u00eau c\u1ea7u ph\u1ea1m vi m\u1edf r\u1ed9ng, ch\u1eb3ng h\u1ea1n nh\u01b0 theo d\u00f5i xe c\u1ed9 tr\u00ean m\u1ed9t b\u00e3i h\u1eadu c\u1ea7n r\u1ed9ng l\u1edbn ho\u1eb7c qu\u1ea3n l\u00fd t\u00e0i s\u1ea3n tr\u1ea3i r\u1ed9ng kh\u1eafp m\u1ed9t nh\u00e0 kho l\u1edbn, h\u1ec7 th\u1ed1ng RFID t\u1eadn d\u1ee5ng s\u1ee9c m\u1ea1nh c\u1ee7a s\u1ef1 lan truy\u1ec1n s\u00f3ng \u0111i\u1ec7n t\u1eeb t\u1ea7m xa. \u0110\u00e2y l\u00e0 n\u01a1i ch\u00fang ta th\u1ea5y s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa th\u1ebb RFID th\u1ee5 \u0111\u1ed9ng v\u00e0 ch\u1ee7 \u0111\u1ed9ng.<\/div>\n<p>&nbsp;<\/p>\n<div class=\"auto-hide-last-sibling-br paragraph_9dc5f paragraph-element\">Th\u1ebb th\u1ee5 \u0111\u1ed9ng, nh\u01b0 \u0111\u00e3 th\u1ea3o lu\u1eadn tr\u01b0\u1edbc \u0111\u00f3, ch\u1ec9 d\u1ef1a v\u00e0o tr\u01b0\u1eddng \u0111i\u1ec7n t\u1eeb c\u1ee7a \u0111\u1ea7u \u0111\u1ecdc \u0111\u1ec3 cung c\u1ea5p n\u0103ng l\u01b0\u1ee3ng v\u00e0 truy\u1ec1n th\u00f4ng. M\u1eb7c d\u00f9 ti\u1ebft ki\u1ec7m, ph\u1ea1m vi c\u1ee7a ch\u00fang b\u1ecb gi\u1edbi h\u1ea1n b\u1edfi n\u0103ng l\u01b0\u1ee3ng c\u00f3 th\u1ec3 thu \u0111\u01b0\u1ee3c t\u1eeb t\u00edn hi\u1ec7u c\u1ee7a \u0111\u1ea7u \u0111\u1ecdc. M\u1eb7t kh\u00e1c, th\u1ebb ch\u1ee7 \u0111\u1ed9ng \u0111\u01b0\u1ee3c trang b\u1ecb pin b\u00ean trong ri\u00eang. \u0110i\u1ec1u n\u00e0y gi\u00fap ch\u00fang c\u00f3 kh\u1ea3 n\u0103ng truy\u1ec1n t\u00edn hi\u1ec7u c\u1ee7a ri\u00eang m\u00ecnh qua kho\u1ea3ng c\u00e1ch xa h\u01a1n nhi\u1ec1u, th\u01b0\u1eddng v\u01b0\u1ee3t qu\u00e1 h\u00e0ng tr\u0103m m\u00e9t.<\/div>\n<p>&nbsp;<\/p>\n<div class=\"auto-hide-last-sibling-br paragraph_9dc5f paragraph-element\">H\u1ec7 th\u1ed1ng RFID t\u1ea7m xa s\u1eed d\u1ee5ng th\u1ebb ch\u1ee7 \u0111\u1ed9ng th\u01b0\u1eddng ho\u1ea1t \u0111\u1ed9ng \u1edf t\u1ea7n s\u1ed1 c\u1ef1c cao (UHF), cho ph\u00e9p t\u00edn hi\u1ec7u c\u1ee7a ch\u00fang truy\u1ec1n \u0111i xa h\u01a1n v\u00e0 xuy\u00ean qua ch\u01b0\u1edbng ng\u1ea1i v\u1eadt hi\u1ec7u qu\u1ea3 h\u01a1n. C\u00e1c h\u1ec7 th\u1ed1ng n\u00e0y l\u00fd t\u01b0\u1edfng cho c\u00e1c \u1ee9ng d\u1ee5ng m\u00e0 th\u1ebb c\u00f3 th\u1ec3 di chuy\u1ec3n \u1edf t\u1ed1c \u0111\u1ed9 cao ho\u1eb7c n\u1eb1m \u1edf kho\u1ea3ng c\u00e1ch \u0111\u00e1ng k\u1ec3 so v\u1edbi \u0111\u1ea7u \u0111\u1ecdc.<\/div>\n<p>&nbsp;<\/p>\n<h2 class=\"header_20b47 auto-hide-last-sibling-br\"><span class=\"ez-toc-section\" id=\"Deciphering_the_Whispers_From_Reflected_Signals_to_Actionable_Information\"><\/span>Gi\u1ea3i m\u00e3 nh\u1eefng l\u1eddi th\u00ec th\u1ea7m: T\u1eeb t\u00edn hi\u1ec7u ph\u1ea3n x\u1ea1 \u0111\u1ebfn th\u00f4ng tin c\u00f3 th\u1ec3 h\u00e0nh \u0111\u1ed9ng<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&nbsp;<\/p>\n<div class=\"auto-hide-last-sibling-br paragraph_9dc5f paragraph-element\">\u0110\u1ea7u \u0111\u1ecdc RFID kh\u00f4ng ch\u1ec9 \u0111\u01a1n thu\u1ea7n \u0111\u1eafm m\u00ecnh trong \u00e1nh s\u00e1ng c\u1ee7a t\u00edn hi\u1ec7u ph\u1ea3n x\u1ea1. N\u00f3 ch\u1ee7 \u0111\u1ed9ng l\u1eafng nghe c\u00e1c m\u1eabu v\u00e0 \u0111i\u1ec1u ch\u1ebf c\u1ee5 th\u1ec3 trong s\u00f3ng ph\u1ea3n x\u1ea1 t\u1eeb th\u1ebb. Th\u1ebb, s\u1eed d\u1ee5ng ngu\u1ed3n \u0111i\u1ec7n nh\u1ecf b\u00e9 c\u1ee7a n\u00f3, kh\u00f4ng h\u00e9t l\u1ea1i; n\u00f3 th\u00ec th\u1ea7m trong m\u1ed9t m\u00e3 \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh tr\u01b0\u1edbc. C\u00e1c m\u00e3 n\u00e0y, th\u01b0\u1eddng tu\u00e2n th\u1ee7 c\u00e1c ti\u00eau chu\u1ea9n c\u00f4ng nghi\u1ec7p nh\u01b0 EPC (M\u00e3 s\u1ea3n ph\u1ea9m \u0111i\u1ec7n t\u1eed), \u0111\u01b0\u1ee3c nh\u00fang trong c\u00e1c bi\u1ebfn th\u1ec3 tinh t\u1ebf c\u1ee7a t\u00edn hi\u1ec7u ph\u1ea3n x\u1ea1.<\/div>\n<p>&nbsp;<\/p>\n<div class=\"auto-hide-last-sibling-br paragraph_9dc5f paragraph-element\">H\u00e3y t\u01b0\u1edfng t\u01b0\u1ee3ng th\u1ebb h\u01a1i ch\u1eadm ph\u1ea3n x\u1ea1 c\u1ee7a n\u00f3, ho\u1eb7c thay \u0111\u1ed5i bi\u00ean \u0111\u1ed9 t\u00edn hi\u1ec7u m\u1ed9t c\u00e1ch tinh t\u1ebf. Nh\u1eefng thay \u0111\u1ed5i tinh t\u1ebf n\u00e0y, kh\u00f4ng th\u1ec3 nh\u1eadn th\u1ea5y b\u1eb1ng gi\u00e1c quan c\u1ee7a con ng\u01b0\u1eddi, l\u00e0 m\u1ed9t ng\u00f4n ng\u1eef m\u00e0 ng\u01b0\u1eddi \u0111\u1ecdc c\u00f3 th\u1ec3 hi\u1ec3u. M\u1ea1ch x\u1eed l\u00fd t\u00edn hi\u1ec7u tinh vi b\u00ean trong ng\u01b0\u1eddi \u0111\u1ecdc ph\u00e2n t\u00edch nh\u1eefng bi\u1ebfn th\u1ec3 n\u00e0y, tr\u00edch xu\u1ea5t d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c m\u00e3 h\u00f3a. D\u1eef li\u1ec7u n\u00e0y, sau khi \u0111\u01b0\u1ee3c gi\u1ea3i m\u00e3, sau \u0111\u00f3 \u0111\u01b0\u1ee3c chuy\u1ec3n \u0111\u1ebfn c\u00e1c h\u1ec7 th\u1ed1ng m\u00e1y t\u00ednh \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i, n\u01a1i n\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho nhi\u1ec1u m\u1ee5c \u0111\u00edch - c\u00f3 th\u1ec3 l\u00e0 c\u1eadp nh\u1eadt h\u1ed3 s\u01a1 h\u00e0ng t\u1ed3n kho, x\u1eed l\u00fd thanh to\u00e1n t\u1ea1i tr\u1ea1m thu ph\u00ed ho\u1eb7c x\u00e1c nh\u1eadn t\u00ednh x\u00e1c th\u1ef1c c\u1ee7a m\u1ed9t s\u1ea3n ph\u1ea9m.<\/div>\n<div><\/div>\n<div><\/div>\n<div><\/div>\n<div><\/div>\n<figure id=\"attachment_2926\" aria-describedby=\"caption-attachment-2926\" style=\"width: 429px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-2926\" src=\"https:\/\/nfc-readers.com\/wp-content\/uploads\/2024\/07\/rfid-reader-antenna--300x100.png\" alt=\"\u0102ng ten \u0111\u1ea7u \u0111\u1ecdc rfid\" width=\"429\" height=\"143\" srcset=\"https:\/\/nfc-readers.com\/wp-content\/uploads\/2024\/07\/rfid-reader-antenna--300x100.png 300w, https:\/\/nfc-readers.com\/wp-content\/uploads\/2024\/07\/rfid-reader-antenna--18x6.png 18w, https:\/\/nfc-readers.com\/wp-content\/uploads\/2024\/07\/rfid-reader-antenna-.png 516w\" sizes=\"auto, (max-width: 429px) 100vw, 429px\" \/><figcaption id=\"caption-attachment-2926\" class=\"wp-caption-text\"><a href=\"https:\/\/nfc-readers.com\/vi\/Wholesale\/rfid-nfc-reader\/\">\u0102ng ten \u0111\u1ea7u \u0111\u1ecdc rfid<\/a><\/figcaption><\/figure>\n<h2 class=\"header_20b47 auto-hide-last-sibling-br\"><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span>Ph\u1ea7n k\u1ebft lu\u1eadn<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&nbsp;<\/p>\n<div class=\"auto-hide-last-sibling-br paragraph_9dc5f paragraph-element\">\u0110\u1ea7u \u0111\u1ecdc RFID, th\u01b0\u1eddng b\u1ecb b\u1ecf qua v\u00ec t\u00ednh ph\u1ed5 bi\u1ebfn c\u1ee7a ch\u00fang, l\u00e0 k\u1ef3 quan c\u1ee7a k\u1ef9 thu\u1eadt. Ch\u00fang k\u1ebft h\u1ee3p li\u1ec1n m\u1ea1ch c\u00e1c nguy\u00ean l\u00fd c\u1ee7a \u0111i\u1ec7n t\u1eeb, truy\u1ec1n n\u0103ng l\u01b0\u1ee3ng kh\u00f4ng d\u00e2y v\u00e0 truy\u1ec1n th\u00f4ng k\u1ef9 thu\u1eadt s\u1ed1 \u0111\u1ec3 t\u1ea1o ra m\u1ed9t h\u1ec7 th\u1ed1ng c\u00f3 kh\u1ea3 n\u0103ng nh\u1eadn d\u1ea1ng v\u00e0 theo d\u00f5i c\u00e1c v\u1eadt th\u1ec3 m\u00e0 kh\u00f4ng c\u1ea7n ti\u1ebfp x\u00fac v\u1eadt l\u00fd. Cho d\u00f9 t\u1eadn d\u1ee5ng s\u1ef1 thanh l\u1ecbch c\u1ee7a kh\u1edbp n\u1ed1i c\u1ea3m \u1ee9ng cho c\u00e1c t\u01b0\u01a1ng t\u00e1c t\u1ea7m g\u1ea7n hay khai th\u00e1c s\u1ee9c m\u1ea1nh c\u1ee7a s\u00f3ng \u0111i\u1ec7n t\u1eeb cho truy\u1ec1n th\u00f4ng t\u1ea7m xa, \u0111\u1ea7u \u0111\u1ecdc RFID l\u00e0 nh\u1eefng anh h\u00f9ng th\u1ea7m l\u1eb7ng c\u1ee7a th\u1ebf gi\u1edbi ng\u00e0y c\u00e0ng k\u1ebft n\u1ed1i c\u1ee7a ch\u00fang ta. B\u1eb1ng c\u00e1ch hi\u1ec3u \u0111\u01b0\u1ee3c ho\u1ea1t \u0111\u1ed9ng b\u00ean trong c\u1ee7a ch\u00fang, ch\u00fang ta c\u00f3 \u0111\u01b0\u1ee3c s\u1ef1 \u0111\u00e1nh gi\u00e1 s\u00e2u s\u1eafc h\u01a1n v\u1ec1 c\u00f4ng ngh\u1ec7 \u00e2m th\u1ea7m cung c\u1ea5p n\u0103ng l\u01b0\u1ee3ng cho r\u1ea5t nhi\u1ec1u kh\u00eda c\u1ea1nh trong cu\u1ed9c s\u1ed1ng h\u00e0ng ng\u00e0y c\u1ee7a ch\u00fang ta.<\/div>","protected":false},"excerpt":{"rendered":"<p>Gi\u1edbi thi\u1ec7u RFID, vi\u1ebft t\u1eaft c\u1ee7a Radio-Frequency Identification, \u0111\u00e3 \u00e2m th\u1ea7m tr\u1edf th\u00e0nh m\u1ed9t ph\u1ea7n kh\u00f4ng th\u1ec3 thi\u1ebfu trong th\u1ebf gi\u1edbi c\u1ee7a ch\u00fang ta. T\u1eeb vi\u1ec7c h\u1ee3p l\u00fd h\u00f3a qu\u1ea3n l\u00fd h\u00e0ng t\u1ed3n kho \u0111\u1ebfn \u0111\u1ea9y nhanh thanh to\u00e1n t\u1ea1i tr\u1ea1m thu ph\u00ed, c\u00f4ng ngh\u1ec7 n\u00e0y \u0111\u1ecdc d\u1eef li\u1ec7u li\u1ec1n m\u1ea1ch t\u1eeb c\u00e1c th\u1ebb nh\u1ecf, kh\u00f4ng ph\u00f4 tr\u01b0\u01a1ng. Nh\u01b0ng qu\u00e1 tr\u00ecnh c\u00f3 v\u1ebb k\u1ef3 di\u1ec7u n\u00e0y th\u1ef1c s\u1ef1 ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o? B\u00e0i vi\u1ebft n\u00e0y \u0111i s\u00e2u v\u00e0o s\u1ef1 ph\u1ee9c t\u1ea1p c\u1ee7a \u0111\u1ea7u \u0111\u1ecdc RFID, ti\u1ebft l\u1ed9 s\u1ef1 kh\u00e9o l\u00e9o [\u2026]","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-2924","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/nfc-readers.com\/vi\/wp-json\/wp\/v2\/posts\/2924","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nfc-readers.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nfc-readers.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nfc-readers.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/nfc-readers.com\/vi\/wp-json\/wp\/v2\/comments?post=2924"}],"version-history":[{"count":1,"href":"https:\/\/nfc-readers.com\/vi\/wp-json\/wp\/v2\/posts\/2924\/revisions"}],"predecessor-version":[{"id":2927,"href":"https:\/\/nfc-readers.com\/vi\/wp-json\/wp\/v2\/posts\/2924\/revisions\/2927"}],"wp:attachment":[{"href":"https:\/\/nfc-readers.com\/vi\/wp-json\/wp\/v2\/media?parent=2924"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nfc-readers.com\/vi\/wp-json\/wp\/v2\/categories?post=2924"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nfc-readers.com\/vi\/wp-json\/wp\/v2\/tags?post=2924"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}