Rarraba eriya ta RFID UHF da zaɓi
Eriya ta UHF ta RFIDmuhimmin bangare ne na kayan aikin hardware a cikin karatun RFID, daban-daban Eriya ta UHF RFID Yana shafar nisan karatu da kewayon karatu kai tsaye. Eriya ta RFID UHF iri-iri ne, yadda ake zaɓar eriya ta RFID UHF da ta dace bisa ga ayyuka daban-daban yana da matuƙar muhimmanci.
Dangane da kayan daban-daban
Akwai Eriya ta RFID ta PCB, Eriya ta RFID ta yumbu, Eriya ta farantin aluminumda eriya ta FPC, da sauransu.. Kowane abu yana da fa'idodi da rashin amfani kuma ana amfani da shi a yanayi daban-daban. Kamar eriya ta RFID ta yumbu, tana da aiki mai ƙarfi da ƙaramin girma. Mun san cewa ƙaramin girman eriya ta yumbu shine 18X18 mm, ba shakka, akwai ƙananan. Amma eriya ta yumbu ba ta dace da yin girma da yawa ba, mafi girma a kasuwa shine eriya ta RFID UHF 5dbi, girman 100*100mm. Idan girman ya yi yawa, samarwa da farashi ba su da fa'ida kamar eriya ta PCB da aluminum. Eriya ta UHF PCB babban eriya ce kuma zaɓi ce ta yawancin mutane. RFID na PCB eriya, ana iya shigar da harsashi don dacewa da amfani a waje. Babban halayen eriya ta FPC shine sassauƙa, ya dace da kusan dukkan ƙananan samfuran lantarki.
Bambanci tsakanin eriya masu rarrafe da zagaye da kuma masu rarrafe da layi
Don rarrabawa ta layi, lokacin da karkatarwar eriya mai karɓa ta yi daidai da karkatarwar layi (alkiblar filin lantarki), siginar ita ce mafi kyau (haskawar raƙuman lantarki a cikin karkatarwar layi ita ce mafi girma). Akasin haka, yayin da karkatarwar eriya mai karɓa ta fi bambanta da karkatarwar layi, siginar ta zama ƙarami (haskawar tana raguwa akai-akai). Lokacin da karkatarwar eriya mai karɓa ta kasance daidai da karkatarwar layi (alkiblar filin maganaɗisu), siginar da aka haifar ta zama sifili (haskawar sifili ce). Hanyar karkatarwar layi tana da buƙatu mafi girma akan alkiblar eriya. Ba a cika amfani da eriya masu rarrabawa ta layi ba, misali, eriya a cikin gwaje-gwajen ɗakin microwave anechoic dole ne su zama eriya masu rarrabawa ta layi.
Ga eriya masu zagaye-zagaye, siginar da aka haifar iri ɗaya ce ba tare da la'akari da alkiblar polarization na eriya mai karɓa ba, kuma babu wani bambanci (haskawar raƙuman lantarki a kowace alkibla iri ɗaya ce). Saboda haka, amfani da polarization na zagaye-zagaye yana sa tsarin ya zama ƙasa da sauƙin amsawa ga alkiblar eriya (a nan alkiblar ita ce alkiblar eriya, wadda ta bambanta da alkiblar tsarin alkiblar da aka ambata a baya). Saboda haka, ana amfani da eriya masu zagaye-zagaye a mafi yawan yanayi a cikin ayyukan IoT.
Bambanci tsakanin eriya ta RFID kusa da eriya ta RFID nesa da eriya ta RFID nesa
Kamar yadda sunan ya nuna, eriya RFID ta kusa da filin eriya ce ta karatu mai nisa. Radiation ɗin makamashi yana tarawa a cikin kusancin da ke sama da eriya, wanda ke tabbatar da tasirin karatu mai nisa ba tare da yin kuskure ba ko kuma karanta alamun RFID da ke kewaye. Aikace-aikacensa galibi ana yin su ne ga ayyukan da ake buƙatar karantawa a kusa ba tare da yin kuskure ...
Eriya ta RFID mai nisa tana da babban kusurwar hasken makamashi da kuma dogon nisa. Tare da ƙaruwar ƙaruwa da girman eriya, kewayon hasken da nisan karatu suna ƙaruwa daidai gwargwado. A aikace, ana buƙatar duk eriya masu nisa don karatu daga nesa, kuma mai karanta hannu yana amfani da eriya masu nisa. Misali, sarrafa kayan ajiya, sarrafa kayan masana'antu da kuma kayan kadarori, da sauransu.