{"id":2561,"date":"2024-05-24T02:15:24","date_gmt":"2024-05-24T02:15:24","guid":{"rendered":"https:\/\/nfc-readers.com\/?p=2561"},"modified":"2024-05-24T02:15:24","modified_gmt":"2024-05-24T02:15:24","slug":"nfc-signal-processing-non-return-to-zero-encoding","status":"publish","type":"post","link":"https:\/\/nfc-readers.com\/tr\/nfc-signal-processing-non-return-to-zero-encoding\/","title":{"rendered":"NFC Sinyal \u0130\u015fleme: S\u0131f\u0131ra D\u00f6n\u00fc\u015f Olmayan Kodlama"},"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\">\u0130\u00e7indekiler<\/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=\"\u0130\u00e7erik Tablosunu De\u011fi\u015ftir\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">De\u011fi\u015ftir<\/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\/tr\/nfc-signal-processing-non-return-to-zero-encoding\/#Overview_of_NFC_Data_Transmission\" title=\"NFC Veri \u0130letimine Genel Bak\u0131\u015f\">NFC Veri \u0130letimine Genel Bak\u0131\u015f<\/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\/tr\/nfc-signal-processing-non-return-to-zero-encoding\/#Standards_Communication_Protocols_in_NFC\" title=\"NFC&#039;de Standartlar ve \u0130leti\u015fim Protokolleri\">NFC&#039;de Standartlar ve \u0130leti\u015fim Protokolleri<\/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\/tr\/nfc-signal-processing-non-return-to-zero-encoding\/#NFC_Non-Return-to-Zero_Level_NRZ-L_Encoding\" title=\"NFC S\u0131f\u0131ra D\u00f6n\u00fc\u015f Olmayan Seviye (NRZ-L) Kodlamas\u0131\">NFC S\u0131f\u0131ra D\u00f6n\u00fc\u015f Olmayan Seviye (NRZ-L) Kodlamas\u0131<\/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\/tr\/nfc-signal-processing-non-return-to-zero-encoding\/#NFC_Manchester_Encoding\" title=\"NFC Manchester Kodlamas\u0131\">NFC Manchester Kodlamas\u0131<\/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\/tr\/nfc-signal-processing-non-return-to-zero-encoding\/#NFC_Modified_Miller_Encoding\" title=\"NFC De\u011fi\u015ftirilmi\u015f Miller Kodlamas\u0131\">NFC De\u011fi\u015ftirilmi\u015f Miller Kodlamas\u0131<\/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\/tr\/nfc-signal-processing-non-return-to-zero-encoding\/#Types_of_Modulation_in_NFC\" title=\"NFC&#039;deki Mod\u00fclasyon T\u00fcrleri\">NFC&#039;deki Mod\u00fclasyon T\u00fcrleri<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/nfc-readers.com\/tr\/nfc-signal-processing-non-return-to-zero-encoding\/#In_Summary\" title=\"\u00d6zetle\">\u00d6zetle<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"auto-hide-last-sibling-br paragraph_c9271 paragraph-element\"><span class=\"ez-toc-section\" id=\"Overview_of_NFC_Data_Transmission\"><\/span><strong>NFC Veri \u0130letimine Genel Bak\u0131\u015f<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<div class=\"auto-hide-last-sibling-br paragraph_c9271 paragraph-element\"><br class=\"container_a4d0b wrapper_d536d undefined\" \/><a href=\"https:\/\/nfc-readers.com\/tr\/Wholesale\/rfid-nfc-reader\/\">NFC<\/a>, d\u00fc\u015f\u00fck veri h\u0131z\u0131 ve k\u0131sa menzilli kablosuz ileti\u015fim teknolojisi, ba\u015flat\u0131c\u0131 ve hedef olarak adland\u0131r\u0131lan iki cihaz\u0131n sinerjisiyle \u00e7al\u0131\u015f\u0131r. Genellikle etiket ve okuyucu olarak bilinen bu varl\u0131klar, temass\u0131z elektromanyetik ind\u00fcksiyona g\u00fcvenerek 13,56 MHz&#039;lik bir RF ta\u015f\u0131y\u0131c\u0131 frekans\u0131 \u00fczerinden veri al\u0131\u015fveri\u015finde bulunur. Bu t\u00fcr etkile\u015fimler i\u00e7in gereken yak\u0131nl\u0131k genellikle 10 cm&#039;den azd\u0131r.<\/div>\n<p>&nbsp;<\/p>\n<h2 class=\"auto-hide-last-sibling-br paragraph_c9271 paragraph-element\"><span class=\"ez-toc-section\" id=\"Standards_Communication_Protocols_in_NFC\"><\/span><strong>NFC&#039;de Standartlar ve \u0130leti\u015fim Protokolleri<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<div class=\"auto-hide-last-sibling-br paragraph_c9271 paragraph-element\"><br class=\"container_a4d0b wrapper_d536d undefined\" \/>De\u011fi\u015fen veri h\u0131zlar\u0131na ve farkl\u0131 mod\u00fclasyon ve kodlama gereksinimlerine dayal\u0131 olarak, NFC teknolojisi \u00fc\u00e7 temel standart arac\u0131l\u0131\u011f\u0131yla kendini g\u00f6sterir: NFC-A, NFC-B ve NFC-F. Bu standartlar, Tablo-1&#039;de g\u00f6sterildi\u011fi gibi farkl\u0131 mod\u00fclasyon ve kodlama t\u00fcrleriyle ili\u015fkilidir.<\/div>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone  wp-image-2562\" src=\"https:\/\/nfc-readers.com\/wp-content\/uploads\/2024\/05\/NFC-NRZ-L-Coding11-300x125.png\" alt=\"\" width=\"564\" height=\"235\" srcset=\"https:\/\/nfc-readers.com\/wp-content\/uploads\/2024\/05\/NFC-NRZ-L-Coding11-300x125.png 300w, https:\/\/nfc-readers.com\/wp-content\/uploads\/2024\/05\/NFC-NRZ-L-Coding11-1024x427.png 1024w, https:\/\/nfc-readers.com\/wp-content\/uploads\/2024\/05\/NFC-NRZ-L-Coding11-768x320.png 768w, https:\/\/nfc-readers.com\/wp-content\/uploads\/2024\/05\/NFC-NRZ-L-Coding11-18x8.png 18w, https:\/\/nfc-readers.com\/wp-content\/uploads\/2024\/05\/NFC-NRZ-L-Coding11-600x250.png 600w, https:\/\/nfc-readers.com\/wp-content\/uploads\/2024\/05\/NFC-NRZ-L-Coding11.png 1275w\" sizes=\"auto, (max-width: 564px) 100vw, 564px\" \/><\/p>\n<h2 class=\"auto-hide-last-sibling-br paragraph_c9271 paragraph-element\"><span class=\"ez-toc-section\" id=\"NFC_Non-Return-to-Zero_Level_NRZ-L_Encoding\"><\/span><strong>NFC S\u0131f\u0131ra D\u00f6n\u00fc\u015f Olmayan Seviye (NRZ-L) Kodlamas\u0131<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<div class=\"image-wrapper_dd1b3 clickable_dd1b3\" data-testid=\"mdbox_image\"><img decoding=\"async\" src=\"data:;base64,<svg xmlns='http:\/\/www.w3.org\/2000\/svg' version='1.1' width='400' height='256'\/>&#8221; alt=&#8221;&#8221; aria-hidden=&#8221;true&#8221; \/><img loading=\"lazy\" class=\"alignnone  wp-image-2563\" alt=\"\" width=\"559\" height=\"311\" srcset=\"https:\/\/nfc-readers.com\/wp-content\/uploads\/2024\/05\/NRZ-L-coding-300x167.webp 300w, https:\/\/nfc-readers.com\/wp-content\/uploads\/2024\/05\/NRZ-L-coding-18x10.webp 18w, https:\/\/nfc-readers.com\/wp-content\/uploads\/2024\/05\/NRZ-L-coding.webp 596w\" sizes=\"auto, (max-width: 559px) 100vw, 559px\" \/><\/div>\n<p>&nbsp;<\/p>\n<ul class=\"auto-hide-last-sibling-br\">\n<li><em>Temsil<\/em>:NRZ-L kodlama \u015femas\u0131 \u015eekil-1&#039;de g\u00f6sterilmi\u015ftir; burada ikili &#039;1&#039; y\u00fcksek voltaj (+V) ile, ikili &#039;0&#039; ise d\u00fc\u015f\u00fck voltaj (0 volt) ile g\u00f6sterilmektedir.<\/li>\n<li><em>\u00d6zellik<\/em>: Ayn\u0131 zamanda tek kutuplu NRZ kodlamas\u0131 olarak da adland\u0131r\u0131lan bu g\u00f6sterim basittir ve her bit de\u011ferini ayr\u0131 bir voltaj seviyesiyle i\u015faretler.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h2 class=\"auto-hide-last-sibling-br paragraph_c9271 paragraph-element\"><span class=\"ez-toc-section\" id=\"NFC_Manchester_Encoding\"><\/span><strong>NFC Manchester Kodlamas\u0131<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<div class=\"image-wrapper_dd1b3 clickable_dd1b3\" data-testid=\"mdbox_image\"><img decoding=\"async\" src=\"data:;base64,<svg xmlns='http:\/\/www.w3.org\/2000\/svg' version='1.1' width='400' height='256'\/>&#8221; alt=&#8221;&#8221; aria-hidden=&#8221;true&#8221; \/><\/div><p><img loading=\"lazy\" class=\"alignnone  wp-image-2564\" alt=\"\" width=\"520\" height=\"414\" srcset=\"https:\/\/nfc-readers.com\/wp-content\/uploads\/2024\/05\/Manchester-coding-300x239.webp 300w, https:\/\/nfc-readers.com\/wp-content\/uploads\/2024\/05\/Manchester-coding-15x12.webp 15w, https:\/\/nfc-readers.com\/wp-content\/uploads\/2024\/05\/Manchester-coding-600x478.webp 600w, https:\/\/nfc-readers.com\/wp-content\/uploads\/2024\/05\/Manchester-coding.webp 639w\" sizes=\"auto, (max-width: 520px) 100vw, 520px\" \/><\/p>\n<ul class=\"auto-hide-last-sibling-br\">\n<li><em>Varyasyon<\/em>: Manchester kodlar\u0131n\u0131n iki \u00e7e\u015fidi vard\u0131r: AC (bipolar) ve DC (unipolar) tipleri.<\/li>\n<li><em>Ge\u00e7i\u015f \u00d6nemi<\/em>: Hem ikili &#039;1&#039; hem de &#039;0&#039;, ayn\u0131 bit periyodu i\u00e7inde voltaj ge\u00e7i\u015fleriyle karakterize edilir; Y\u00fcksekten D\u00fc\u015f\u00fc\u011fe, ikili &#039;1&#039;i belirtirken, D\u00fc\u015f\u00fckten Y\u00fckse\u011fe, ikili &#039;0&#039;\u0131 belirtir.<\/li>\n<li><em>Ge\u00e7i\u015f Hassasiyeti<\/em>:Bu ge\u00e7i\u015fler bit periyodunun orta noktas\u0131na titizlikle yerle\u015ftirilerek veri sinyallerinin netli\u011fi g\u00fc\u00e7lendirilmi\u015ftir.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h2 class=\"auto-hide-last-sibling-br paragraph_c9271 paragraph-element\"><span class=\"ez-toc-section\" id=\"NFC_Modified_Miller_Encoding\"><\/span><strong>NFC De\u011fi\u015ftirilmi\u015f Miller Kodlamas\u0131<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<div class=\"image-wrapper_dd1b3 clickable_dd1b3\" data-testid=\"mdbox_image\"><img decoding=\"async\" src=\"data:;base64,<svg xmlns='http:\/\/www.w3.org\/2000\/svg' version='1.1' width='400' height='256'\/>&#8221; alt=&#8221;&#8221; aria-hidden=&#8221;true&#8221; \/><img loading=\"lazy\" class=\"alignnone  wp-image-2565\" alt=\"\" width=\"496\" height=\"276\" srcset=\"https:\/\/nfc-readers.com\/wp-content\/uploads\/2024\/05\/Modified-Miller-coding-300x167.webp 300w, https:\/\/nfc-readers.com\/wp-content\/uploads\/2024\/05\/Modified-Miller-coding-18x10.webp 18w, https:\/\/nfc-readers.com\/wp-content\/uploads\/2024\/05\/Modified-Miller-coding.webp 565w\" sizes=\"auto, (max-width: 496px) 100vw, 496px\" \/><\/div>\n<p>&nbsp;<\/p>\n<ul class=\"auto-hide-last-sibling-br\">\n<li><em>\u0130kili &#039;1&#039; E\u015flemesi<\/em>: \u0130kili mant\u0131k &#039;1&#039;, bir \u00f6nceki bitin durumundan ba\u011f\u0131ms\u0131z olarak, bit periyodu i\u00e7inde daima y\u00fcksekten d\u00fc\u015f\u00fc\u011fe ve sonra tekrar y\u00fckse\u011fe ge\u00e7i\u015fle g\u00f6sterilir.<\/li>\n<li><em>\u0130kili &#039;0&#039; E\u015flemesi<\/em>:\u0130kili &#039;0&#039;\u0131n tasviri, kendinden \u00f6nceki bitin ko\u015fuluna ba\u011fl\u0131d\u0131r: E\u011fer \u00f6nceki bit &#039;1&#039; ise, mevcut s\u0131f\u0131r ters bir ge\u00e7i\u015f \u00f6r\u00fcnt\u00fcs\u00fcn\u00fc izler ve e\u011fer &#039;0&#039; ise, e\u015fleme ikili &#039;1&#039;in e\u015flemesini yans\u0131t\u0131r.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h2 class=\"auto-hide-last-sibling-br paragraph_c9271 paragraph-element\"><span class=\"ez-toc-section\" id=\"Types_of_Modulation_in_NFC\"><\/span><strong>NFC&#039;deki Mod\u00fclasyon T\u00fcrleri<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<div class=\"auto-hide-last-sibling-br paragraph_c9271 paragraph-element\"><br class=\"container_a4d0b wrapper_d536d undefined\" \/>NFC, hem 10% hem de 100% varyantlar\u0131nda Genlik Kayd\u0131rma Anahtarlamas\u0131 (ASK) gibi bir dizi mod\u00fclasyon t\u00fcr\u00fcn\u00fc kapsar ve y\u00fck mod\u00fclasyon tekniklerini kullan\u0131r. Bu mod\u00fclasyon y\u00f6ntemleri, NFC ileti\u015fim protokollerinin hassasiyeti ve verimlili\u011fi i\u00e7in olmazsa olmazd\u0131r.<\/div>\n<p>&nbsp;<\/p>\n<h2 class=\"auto-hide-last-sibling-br paragraph_c9271 paragraph-element\"><span class=\"ez-toc-section\" id=\"In_Summary\"><\/span><strong>\u00d6zetle<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<div class=\"auto-hide-last-sibling-br paragraph_c9271 paragraph-element\"><br class=\"container_a4d0b wrapper_d536d undefined\" \/>NFC&#039;nin mimarisi, her standard\u0131n yak\u0131n mesafeli cihazlar aras\u0131nda g\u00fcvenli ve etkili ileti\u015fimi sa\u011flamak i\u00e7in benzersiz mekanizmalar kulland\u0131\u011f\u0131 karma\u015f\u0131k mod\u00fclasyon ve kodlama protokollerine dayanmaktad\u0131r. NRZ-L&#039;nin voltaj seviyeleri, Manchester&#039;\u0131n ge\u00e7i\u015f tabanl\u0131 ikili g\u00f6stergeleri veya Modified Miller&#039;\u0131n ba\u011flam ba\u011f\u0131ml\u0131 e\u015flemeleri arac\u0131l\u0131\u011f\u0131yla olsun, NFC teknolojisi \u00e7ok say\u0131da operasyonel ortama ve ihtiyaca uyum sa\u011flayabildi\u011fini g\u00f6stermektedir.<\/div>","protected":false},"excerpt":{"rendered":"<p>NFC Veri \u0130letimine Genel Bak\u0131\u015f D\u00fc\u015f\u00fck veri h\u0131z\u0131na ve k\u0131sa menzilli kablosuz ileti\u015fim teknolojisi olan NFC, ba\u015flat\u0131c\u0131 ve hedef olarak adland\u0131r\u0131lan iki cihaz\u0131n sinerjisiyle \u00e7al\u0131\u015f\u0131r. Genellikle etiket ve okuyucu olarak bilinen bu varl\u0131klar, temass\u0131z elektromanyetik ind\u00fcksiyona dayanarak 13,56 MHz&#039;lik bir RF ta\u015f\u0131y\u0131c\u0131 frekans\u0131 \u00fczerinden veri al\u0131\u015fveri\u015finde bulunur. [\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-2561","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/nfc-readers.com\/tr\/wp-json\/wp\/v2\/posts\/2561","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nfc-readers.com\/tr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nfc-readers.com\/tr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nfc-readers.com\/tr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/nfc-readers.com\/tr\/wp-json\/wp\/v2\/comments?post=2561"}],"version-history":[{"count":1,"href":"https:\/\/nfc-readers.com\/tr\/wp-json\/wp\/v2\/posts\/2561\/revisions"}],"predecessor-version":[{"id":2566,"href":"https:\/\/nfc-readers.com\/tr\/wp-json\/wp\/v2\/posts\/2561\/revisions\/2566"}],"wp:attachment":[{"href":"https:\/\/nfc-readers.com\/tr\/wp-json\/wp\/v2\/media?parent=2561"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nfc-readers.com\/tr\/wp-json\/wp\/v2\/categories?post=2561"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nfc-readers.com\/tr\/wp-json\/wp\/v2\/tags?post=2561"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}