UHF RFID gabat yabbixe yahaazih bedu kee bedi fidga

RFID maknayal, RFID gabah agle terminal baxsa le aracal elektirooniik wave yeyyeeqeh, dariifah caddo anteenah caddo kee taamah uddur elle rakittam. LC ittallakle resonant circuit raadiyô frequency kardi addal massoysen, kee tet frequency gabah agle terminal lih angaaraw le. Raadiyok frequency kardi ta dariifal taturta waqdi, elektirooniik lowsis gubat, LC resonant circuit lowsis gubat hayta, tohih taagah charges capacitor addat geytimta. gersi kapaasiterik gaba kalti, eletrooniik pampi kapaasiterih addat tan kibim gersi kapaasiterih kobxissoh tatrusa. Charge 2V gufta waqdi, ta capacitor gersi circuit taamah voltage akah geytannah, kardi addat tan data tatrussaanam kee gabah agle terminal data tatrussaanam duudumtah. Kardi addat tan oytitte geytimek lakal, gabah agle terminal decode abak, oytitte elle geytimta gurral lowsis abak, oytitte RS232, RS422, RS485 hinnay wireless gitaak kompiiter network fanah ruuba.

RFID gabah agle yabbixe aalat encoding yaanam astah tabaatabsa mango hadaf aracat haytuh, kee tet saduh yan tabaatabsa decoding hinnay decoding deqsita. Koox aydaadi elle yascassennal, koox qilmi sidiica luddi le: raceenah koox, channel koox kee amni koox. bedi qilmi baar luk edde yantifiqqem xiyitaal angaarawaay, cisab teknoloojiiy, sisdikuk kobor kee gaba bicisse qakli.

1. RFID gabat yabbixe yahaazih raceenah bediyyi kee bediyyi fidga

Raceenah bedi yaanam raceenak astah awqentih tabaatabsa, gexsitit tan astah baxsi edde anuk ( toh yaanam, analog astooti ceelallo kee ixximah gitaak dijital astah milaagimta), kee astah tabaatabsih xaloot yaysiisoonuh oyti axmuumuk bedi. raceenah bedu yaanam raceenak bediyyi saduh yan gexsiti.

Raceena sirri namma lafale abtoota le:

(1) analog/xijitaal korsa sel

Oyti raceena analog asta tacee waqdi, raceena enkoder analog asta dijital tatrussuh dijital asta fan korsa.

(2) Oyti tabaatabih xaloot yaysiiseenimi

tah faxxam gibbatu salcisaanam astooti ixxima kee astooti caddo dago qaynatih oyti axmuumuk matteebannitte. Astah caddo tabaatabsi tibbixe bandwidth madqaah, tabaatabsi bandwidth angaaraw xaloot abaabisa.

2. RFID gabat yabbixen mansoofah gita bediyyi kee bediyyi fidga

Channel coding yaanam, source coder (signal output) wagsiisak, channel baxsa le coding, channel caalatal geytimtaah, angaaraw sissinaane yaysiiseenim edde anuk. Gita fidga gita bediyyih saduh yan gexsiti.

lafa le hadaf gita bedi fooca fan aylalokki massos maysaasa sadih gabah culsi dudda dijital astooti. Dijital asta xaggimte wak xongoloo kee gersi diihay gitah tabaatabsih uddur, aylalokki kataasele. Hoxat tan taqabitte lowsiisoonuh, channel encoder kalali exxaaxi (supervisory elements) ossimak, oytitte elle tatrusan innal, inki inki madqooqih addat, anti-interference code bicsaanam. Receiving gaba kalti channel decoder sissin qaynatih madqooqih addat decode abaah, angaaraw sissinaaneh sissinaane yaysiisoonuh taqabitte gorrisak hinnay kaadu missoysan.

3. RFID gabat yabbixe yahaazak amaan le bediyyi kee bediyyi fidga

Security coding yaanam asta qagitak milaagaanam, toh yaanam oytitte elle geytimta aracal geytimtaah, elle geytimta aracal geytimta oytitte elle geytimta gurral geytimta. Sirri angaaraw elle faxxiima innal, oytitte elle geytimta aracal, artificially scramble digital sequence, toh yaanam, password edde ossimta. Ta gexsit fidga deqsita. sirri bediyya yaanam sirri bediyyih saduh yan gexsiti. Security decoding elle faxximta innal password copy abtaah, rubtuma elle tan exxal geytimta oytitte elle geytimta aracal geytimtaah, asli oytitte elle geytimta aracal geytimta. sirri bediyyih hadaf qarraamissah yan oyta yaaqureenimi, toh yaanam mango uddur aracat gactam, shuffling, hinnay nammayak inkih. Kiriptogiraafih maknay mango uddur namma rakiiboh exxa le: fidga (decryption) algorizim kee lowsis algorizim milaagam duuda maftacak.

tet rikkissok ugutak, siferitte kurrumta siferitte yaakumik ciggiilil kee siferitte alfimteh. yaakumik ciggil sifer yaanam idnisimte yaakumik ciggil ginnimteh maknay lowsiisih gubat yan maknay, kee esgel qado kutbet dagoom dagoomsifer kutbe geyoonuh. Kaak lafale tuxxiq aylalokki baxcisiyyi ane waama, takkay immay sittalluk abit fayyale raqtam le. Angaaraw siirat addat baarluk xoqoysil asele. alfenti cifer yaanam maknay lowsiisih gubat tan buttaati qado kutbe fidga abtah tan algorizim kinni. Ta gurral geytimta ciphertext bits inkih tan plaintext butta kee key addat tan bits luk ittat axawah tan, tamah kaaduk taqabi baxcisaanam duudumtah. tah mangih farmo fidgah xoqoysil asele. Asmatiyyaa kee Dijital ferma.

Ni RFID PDA Impinj R2000 chip, 25 mitir fanah yan kiryaati lih; Andirox 12 OS, MTK MT6765 okta-kor 2.3GHz; inxastarih IP65 amotani, 1.5 mitir tiffa simintoh baaxah taqabi sinnim, baxaabaxsa le harsh dariifah bicta. mangom elle xoqoysil assam makaadin safar, uwwayti xiinissol, kitoobâ buxah xiinissol, qusba limo kee gersi booxaaxil.