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Iziseko ze-Antenna: Zikhazimla njani ii-Antenna?
Xa kufikwa kwii-antenna, umbuzo abantu abaxhalabele kakhulu ngulo "Ifumaneka njani imitha ngokwenene?" Intsimi ye-electromagnetic eveliswa ngumthombo wesignali isasazeka njani ngomgca wothumelo nangaphakathi kwi-antenna, kwaye ekugqibeleni "yahlukane" ...Funda ngokugqithisileyo -
Intshayelelo kunye noHlelo lwe-Antenna
1. Intshayelelo kwi-Antennas I-antenna sisakhiwo sokutshintsha phakathi kwendawo ekhululekileyo kunye nomgca wokudlulisela, njengoko kubonisiwe kuMfanekiso 1. Umgca wokudlulisela unokuba ngohlobo lomgca we-coaxial okanye ityhubhu engenanto (i-waveguide), esetyenziselwa ukuhambisa amandla e-electromagnetic fr...Funda ngokugqithisileyo -
Ukusebenza kakuhle kwe-Antena kunye nokuzuza: Iifomula, iilahleko kunye nokulinganisa
Ukusebenza kakuhle kwe-antenna kuchaza indlela amandla e-RF amkelweyo aguqulwa ngayo abe ngamandla akhutshwayo. Yiparameter ephambili ye-antenna kuba ilahleko yomqhubi, ilahleko ye-dielectric kunye nokungafani kwe-impedance kunokunciphisa imitha esebenzisekayo nokuba i-antenna inepatheni efanelekileyo. Isiseko...Funda ngokugqithisileyo -
Yintoni iBeamforming?
Kwicandelo lee-antennas ezidibeneyo, i-beamforming, ekwaziwa ngokuba yi-spatial filtering, yindlela yokucubungula isignali esetyenziselwa ukudlulisa nokufumana amaza erediyo angenazingcingo okanye amaza esandi ngendlela eya kwicala elithile. I-Beamforming iyasebenza...Funda ngokugqithisileyo -
Inkcazo eneenkcukacha ze-trihedral corner reflector
Uhlobo lwe-radar target okanye i-reflector engasebenziyo esetyenziswa kwiinkqubo ezininzi ezifana neenkqubo ze-radar, ukulinganisa, kunye nonxibelelwano lubizwa ngokuba yi-triangular reflector. Amandla okubonakalisa amaza e-electromagnetic (afana namaza erediyo okanye imiqondiso ye-radar) ngqo kumthombo,...Funda ngokugqithisileyo -
Ii-antenna zephondo kunye nee-antenna ezimbini ezi-polarized: usetyenziso kunye neendawo zokusetyenziswa
I-antenna ye-Horn kunye ne-antenna e-dual polarized ziintlobo ezimbini zee-antenna ezisetyenziswa kwiindawo ezahlukeneyo ngenxa yeempawu kunye nemisebenzi yazo eyahlukileyo. Kweli nqaku, siza kuhlola iimpawu zee-antenna ze-horn kunye ne-dual-polar...Funda ngokugqithisileyo -
Ukusetyenziswa kwetekhnoloji yokurhawula nge-vacuum ye-RFMISO
Indlela yokugquma umlilo kwisithando somoya luhlobo olutsha lobuchwepheshe bokugquma umlilo obuqhutywa phantsi kweemeko zokugquma umlilo ngaphandle kokongeza i-flux. Ekubeni inkqubo yokugquma umlilo yenziwa kwindawo yokugquma umlilo, iziphumo eziyingozi zomoya kwindawo yokusebenza zinokuphelisa ngempumelelo...Funda ngokugqithisileyo -
Intshayelelo yesicelo sokuguqula i-coaxial kwi-Waveguide
Kwicandelo lokusasazwa kwerediyo kunye nokudluliselwa kwesignali ye-microwave, ukongeza ekuhanjisweni kwesignali ezingenazingcingo ezingadingi migca yokudluliselwa, uninzi lweemeko zisafuna ukusetyenziswa kwemigca yokudluliselwa...Funda ngokugqithisileyo -
I-RHCP vs i-LHCP: Indlela yokuchonga i-Circular Polarization
I-RHCP (RHCP) kunye ne-LHCP (LHCP) zichaza indlela i-electric-field vector ejikeleza ngayo njengoko amaza e-electromagnetic esasazeka. Ukuchonga ngokuchanekileyo kubalulekile kwiikhonkco zesathelayithi, i-radar, ukulinganiswa kwe-antenna kunye ...Funda ngokugqithisileyo -
Isebenza njani i-antenna ye-microstrip? Yintoni umahluko phakathi kwe-antenna ye-microstrip kunye ne-antenna ye-patch?
I-antenna ye-Microstrip luhlobo olutsha lwe-antenna ye-microwave esebenzisa imicu yokuhambisa umbane eprintiweyo kwi-dielectric substrate njengeyunithi yokukhazimla kwe-antenna. Ii-antenna ze-Microstrip zisetyenziswa kakhulu kwiinkqubo zonxibelelwano zanamhlanje ngenxa yobukhulu bazo obuncinci, ubunzima obulula, kunye neprofayili ephantsi...Funda ngokugqithisileyo -
Inkcazo kunye nohlalutyo oluqhelekileyo lokuhlelwa kwee-antenna zeRFID
Phakathi kobuchwepheshe bonxibelelwano olungenazingcingo, kuphela lulwalamano phakathi kwesixhobo se-transceiver esingenazingcingo kunye ne-antenna yenkqubo ye-RFID olukhethekileyo. Kusapho lwe-RFID, ii-antenna kunye ne-RFID zibaluleke ngokulinganayo ...Funda ngokugqithisileyo -
Yintoni i-frequency yerediyo?
Itekhnoloji yeRadio Frequency (RF) yitekhnoloji yonxibelelwano engenazingcingo, esetyenziswa kakhulu kwirediyo, unxibelelwano, iradar, ulawulo olukude, iinethiwekhi zesenzi ezingenazingcingo kunye nezinye iinkalo. Umgaqo wetekhnoloji yerediyo engenazingcingo usekelwe ekusasazeni nasekuguquleni...Funda ngokugqithisileyo
