RFID UHF eriya rarrabuwa da zaɓi

RFID UHF eriyar wani muhimmin bangare ne na kayan aikin hardware a cikin karatun RFID, eriyar RFID UHF daban-daban tana shafar nisan karatu da kewayo kai tsaye. Eriyar RFID UHF iri-iri iri-iri ne, yadda ake zabar eriyar RFID UHF daidai gwargwadon ayyuka daban-daban na da matukar muhimmanci.

Dangane da kayan daban-daban

Akwai eriyar PCB RFID, eriyar yumbu RFID, eriyar farantin aluminum da eriyar FPC, da sauransu.. Kowane abu yana da fa'ida da rashin amfani kuma ana amfani dashi a yanayi daban-daban. Irin su eriya RFID yumbu, yana da ingantaccen aiki da ƙaramin girma. Mun san cewa mafi girman girman eriyar yumbu shine 18X18 mm, ba shakka, ana iya samun ƙananan. Amma eriyar yumbu ba ta dace da yin girma da yawa ba, mafi girma a kasuwa shine eriyar RFID UHF 5dbi, girman 100 * 100mm. Idan girman ya yi girma, duka samarwa da farashi ba su da fa'ida kamar PCB da eriya ta aluminum. UHF PCB eriyar babbar riba ce kuma zaɓin yawancin mutane ne. Don eriyar PCB RFID, ana iya shigar da harsashi don saduwa da amfanin waje. Babban halayen eriyar FPC yana da sassauƙa, dacewa da kusan duk ƙananan samfuran lantarki.

Bambanci tsakanin eriya masu madauwari da da'ira

Don ƙaddamar da layin layi, lokacin da jagorar polarization na eriya mai karɓa ya yi daidai da jagorar polarization na layi (alkimar filin lantarki), siginar ita ce mafi kyau (hasashen igiyoyin lantarki a cikin jagorar polarization shine mafi girma). Akasin haka, kamar yadda jagorar polarization na eriya mai karɓa ya bambanta da jagorar polarization na madaidaiciya, siginar ya zama ƙarami (hasashen yana raguwa ci gaba). Lokacin da jagorar polarization na eriya mai karɓa ta kasance kothogonal zuwa madaidaiciyar polarization direction (alkidar filin maganadisu), siginar da aka jawo sifili ne (aikin sifili). Hanyar polarization na layi yana da buƙatu mafi girma akan alkiblar eriya. Ba a cika yin amfani da eriya ta layi ba, alal misali, eriya a cikin gwaje-gwajen ɗaki na microwave dole ne su zama eriya mai ɗaci.

Don eriya masu madauwari da'ira, siginar da aka jawo iri ɗaya ce ba tare da la'akari da alkiblar polarization na eriyar karɓa ba, kuma babu bambanci (hasashen raƙuman wutar lantarki a kowace hanya iri ɗaya ce). Don haka, yin amfani da madauwari mai ma'ana yana sa tsarin ya zama ƙasa da kula da yanayin eriya (a nan madaidaicin shine daidaitawar eriyar, wanda ya bambanta da tsarin tsarin jagora da aka ambata a baya). Don haka, ana amfani da eriya masu da'ira a mafi yawan yanayi a cikin ayyukan IoT.

Bambanci tsakanin eriyar RFID kusa da filin nesa na RFID

Kamar yadda sunan ke nunawa, eriyar RFID kusa da eriya ce don karantawa ta kusa. Radiyon makamashi yana mai da hankali a cikin kusancin kusanci sama da eriya, wanda ke tabbatar da tasirin karantawa na kusa ba tare da karantawa ba ko zaren karanta alamun RFID da ke kewaye. Aikace-aikacen sa suna da nufin ayyukan da ake buƙatar karantawa a kusa ba tare da yin kuskuren karanta alamun da ke kusa da eriya ba, kamar sarrafa kayan kayan ado, sarrafa kayan aikin likita, sasanta manyan kantuna marasa matuƙa, da ɗakunan kayan aiki masu wayo da sauransu.

Eriyar RFID mai nisa tana da babban kusurwar hasken makamashi da kuma nisa mai nisa. Tare da haɓakar riba da girman eriya, kewayon radiation da nisan karatu suna ƙaruwa daidai da haka. A cikin aikace-aikacen, ana buƙatar duk eriya mai nisa don karatun nesa, kuma mai karantawa na hannu yana amfani da eriya mai nisa. Misali, sarrafa kayan aikin sito, sarrafa kayan masana'anta da lissafin kadari, da sauransu.