mango paarameteritte RFID anteenah atu tablem faxximta

nanu inkih kah naaxigennah, RFID Anteena RFID maknayak faxximta exxa. Akat sinni angaarawih siirat, miraacime mooyat cayli tatruseenitik raadiyo mooyat fan korsaanam faxximta, hinnay raadiyo mooyat miraacime mooyat caylat korsaanam faxxinta, tonnah raadiyo mooyat diifi kee hirgoh edde yantifiqen aalat anteena deqsita.

RFID anteenah lafale acassaale

1. Geynâ ximmo

geyto ximmo paarameter too amolladih qeedaalisso cayli korsi kee afkan weeloola anteenah. toh baxxaaqimteh murtisso afkan ximmo kee anteenah dudda. toh taybulleem too fayyale anteenah afkanih ximmoh ossotina, fayyale geytoh ximmo akkele.

Fizikal maqna: Inki qaynatih culmah caylih caalatal, sissin qaynatih anteenah fanat yan sissin omnidirectional anteenah (radiation inkih tan afkanitteh addat inki gid yakke) sissin qaynatih astah sissin ximmol sissin qaynatih sissin qaynatih astah sissin qaynatih astah sissin qaynatih sissin qaynatih astah sissin qaynatih astah sissin qaynatih astah sissin qaynatih astah sissin qaynatih sissinaaneh addat. toh baxxaaqissam digrik anteenah cubbih cayla culma kee diifi tet. .

2. Diifi fidna

taamah qagaaqagi milaagima wak, celtam gommodmali paarameteritte anteenak baxsa le caddok taturtam mafaxximta. ta qagaaqagih caddo diifi fidna deqsita, hinnay uxxuk anteenah bandi fidna.

3. Afkan ximmo

&bsp; &bsp; &bsp;  Anteenak inkih tan baxxoh addal, radiation caylih lowsiisih sissinaane anteenah addal radiation caylih lowsiisih sissinaaneh addat tan radiation cayli lowsiisih sissinaaneh addat tan sissinaaneh sissinaaneh addat tan sissinaaneh sissinaaneh sissinaaneh addat tan sissinaaneh sissinaaneh addat tan sissinaaneh sissinaaneh addat tan sissinaaneh sissinaaneh addat tan. Tah kaxxa tuxxiq le ascossih ascossi kinnim kee tamah baxaabaxsale anteenah ascossih ascossih addat tan, kee anteenah lowsis enerjih eletriik lowsis akah takkennah abta.

4. Sadi

anteena xongolo maroh innal lowsimele. xongolo le tanki asmatah isi adaf le. nek raqtam impedansi ramaddos: maroytit axawah tan anteenat celta impedansi lem faxximta. maaqiddi anteenat axawah tan, kee maaqiddi impedansi elle tamixxigem, tohih taagah anteenah impedansi maaqiddi luk sitta ceelaamih qaago lino. RFID UHF anteenah maknay 50Ω adaf adoobit yantifiqe.

5. Polarayzeeshin cogda

anteenah qanxix tascassem eletriik booxah maqarih afkan anteena urta wak bicta. Amolladih, toh tascassem baxsaluk arac afkanih eletriik booxah anteenah afkanal fayyale diifi. anteenah qanxix mangom firti qanxix kee maroyta qanxisiyyal kurrumta, tonnal baxsi macaay?

Suuquntiyyoh qanxisiyyi:

Antenna elle geytimta polarization afkan linear polarization afkan (electric field afkan) luk sittat axawah tan waqdi, induced signal kaxxaam gibdih; polarization afkan elle geytima anteenah addat mangom kee mangom linear polarization afkan elle geytimam, induced signal The smaller; anteenah culma polarizeeshin afkan ortogonal linear polarizeeshin afkan (magnetic field afkan) fanah yan waqdi, induced signal foyya kinni.

Maroh tan qanxix:

faxem takkay polarayzeeshin afkan anteenah culma, culteh tan asta inkitto, kee tokkel baxsi mayan. tohuk lakal, maroytit duqayso salcissa maknayih hangisso anteenah afkanal.

Sababah, polarization afkan elle geytima anteenah polarization afkan elle geytima elektirooniik wave luk sittat axawah tan waqdi, kaxxa signal geytimam duudumtah. tohuk lakal, firti qanxaffeh cogda fayyale raqtem le anteenah afkanal. faxennal, maroytah qanxisiyyih cogda mango uddur oggolimte kah kinnim tet tuxxiq.

6. gommodmali cayli soolo mooyat giddakiino

VSWR anteenah-maaqoh maknayih ramaddos caalat abaabisa. toh qeedaalisso anteenah xayyos cayli rashiyoh obsal kee anteenah tabaatabsa anteenah innal tantifiqe wak wadirih abaabta. VSWR elle faatacimem anteenah maaqiddi maknayih adaf. anteenah impedansi kee feeder impedansi lih angaaraw le impedansi culma, kee soolo mooyat ratio qunxa. anteenah- maaqiddi maknay fayyale VSWR luk, astah baatih maaqiddi addat kaxxam naba.