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Inkcazo kunye nohlalutyo lokuhlelwa okuqhelekileyo kwee-eriyali ze-RFID
Phakathi kweetekhnoloji zonxibelelwano ezingenazingcingo, kuphela ubudlelwane phakathi kwesixhobo esingenazingcingo kunye ne-eriyali yenkqubo ye-RFID lolona lukhethekileyo. Kusapho lwe-RFID, i-eriyali kunye ne-RFID zibaluleke ngokulinganayo ...Funda ngokugqithisileyo -
Yintoni amaza kanomathotholo?
Itekhnoloji yeRadio Frequency (RF) yitekhnoloji yonxibelelwano engenazingcingo, esetyenziswa ikakhulu koonomathotholo, unxibelelwano, irada, ulawulo olude, uthungelwano loluvo olungenazingcingo kunye namanye amacandelo. Umgaqo wetekhnoloji yerediyo engenazingcingo isekwe ekusasazeni nasekumodareyitheni...Funda ngokugqithisileyo -
Umgaqo wokufumana i-eriyali, indlela yokubala inzuzo ye-eriyali
Ukuzuza kwe-eriyali kubhekiselele kwinzuzo yamandla emitha ye-eriyali kwicala elithile elinxulumene nendawo eyiyo yomthombo we-eriyali. Imele amandla okusasazeka kwe-eriyali kwicala elithile, oko kukuthi, ulwamkelo lwesiginali okanye ukusebenza kakuhle kwe-ante...Funda ngokugqithisileyo -
Iindlela ezine zokutyisa ezisisiseko ze-eriyali ze-microstrip
Ukwakhiwa kwe-eriyali ye-microstrip ngokubanzi iquka i-dielectric substrate, i-radiator kunye nepleyiti yomhlaba. Ubunzima be-dielectric substrate buncinci kakhulu kune-wavelength. Umaleko wesinyithi obhityileyo osezantsi kwe-substrate uqhagamshelwe kwi-groun...Funda ngokugqithisileyo -
I-Antenna Polarization: Yintoni i-Antenna Polarization kwaye kutheni ibalulekile
Iinjineli ze-elektroniki ziyazi ukuba i-eriyali ithumela kwaye ifumane imiqondiso ekwimo yamaza ombane wombane (EM) ochazwa ziinxaki zikaMaxwell. Njengakwizihloko ezininzi, ezi zibalo, kunye nokusasazwa, iipropathi ze-electromagnetism, zinokufundwa ngeendlela ezahlukeneyo ...Funda ngokugqithisileyo -
Umgaqo wokusebenza kunye nokusetyenziswa kwe-antenna yesigodlo
Imbali yeempondo zeempondo isukela ngo-1897, xa umphandi kanomathotholo u-Jagadish Chandra Bose wayeqhuba uyilo lovavanyo lobuvulindlela esebenzisa ii-microwaves. Kamva, uGC Southworth kunye noWilmer Barrow baqulunqa ubume be-eriyali yempondo yanamhlanje ngo-1938 ngokulandelelanayo. Kuba t...Funda ngokugqithisileyo -
Yintoni i-eriyali yophondo? Yeyiphi imigaqo ephambili kunye nokusetyenziswa?
I-eriyali yophondo yi-eriyali engaphezulu, i-eriyali ye-microwave enesetyhula okanye i-rectangular cross-section apho i-terminal ye-waveguide ivula ngokuthe ngcembe. Lolona hlobo lusetyenziswa kakhulu lwe-antenna ye-microwave. Intsimi yayo yemitha imiselwa ubungakanani bomlomo kunye nepropa...Funda ngokugqithisileyo -
Ngaba uyawazi umahluko phakathi kwamaza amaza athambileyo kunye namaza amaza aqinileyo?
I-Waveguide ethambileyo ngumgca wothumelo osebenza njengesithinteli phakathi kwezixhobo zemayikhroweyivu kunye nezixhasi. Udonga lwangaphakathi lwe-waveguide ethambileyo lunokwakheka kwe-corrugated, eguquguqukayo kakhulu kwaye inokumelana nokugoba okuyinkimbinkimbi, ukunweba kunye nokunyanzeliswa. Ngoko ke, yi...Funda ngokugqithisileyo -
Ii-eriyali ezisetyenziswa ngokuqhelekileyo | Intshayelelo kwiindidi ezintandathu ezahlukeneyo zeempondo zeempondo
I-eriyali yophondo yenye yee-eriyali ezisetyenziswa ngokubanzi ezinesakhiwo esilula, uluhlu olubanzi lwamaza, amandla amakhulu kunye nokuzuza okuphezulu. Ii-eriyali zeempondo zihlala zisetyenziswa njengee-eriyali zokutya kwi-astronomy yerediyo enkulu, ukulandelela ngesathelayithi, kunye nee-eriyali zonxibelelwano. Ukongeza kwi-s...Funda ngokugqithisileyo -
umguquli
Njengenye yeendlela zokutyisa zee-eriyali zamaza, uyilo lwe-microstrip ukuya kwi-waveguide idlala indima ebalulekileyo kuthumelo lwamandla. I-microstrip yesiko kwimodeli ye-waveguide ilandelayo. Iprobe ethwele i-dielectric substrate kwaye yondliwe ngomgca we-microstrip i...Funda ngokugqithisileyo -
Igridi yeAntenna Array
Ukuze ulungelelanise iimfuno ze-eriyali ye-engile yemveliso entsha kwaye wabelane ngokungundo lwephepha le-PCB lesizukulwana sangaphambili, olu yilo lulandelayo lwe-eriyali lungasetyenziselwa ukufikelela kwinzuzo ye-eriyali ye-14dBi@77GHz kunye nokusebenza kwemitha ye-3dB_E/H_Beamwidth=40 °. Ukusebenzisa iRogers 4830 ...Funda ngokugqithisileyo -
Iimveliso ze-Antenna ze-RFMISO Cassegrain
Uphawu lwe-eriyali yeCassegrain kukusebenzisa isondlo sasemva ngokufanelekileyo kunciphisa inkcitho yenkqubo yesondlo. Kwinkqubo ye-antenna enenkqubo yesondlo esinzima ngakumbi, yamkela i-cassegrainantenna enokunciphisa ngokufanelekileyo umthunzi we-feeder. Ourcassegrain antenna frequency co...Funda ngokugqithisileyo
