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I-Antenna yeHelical: Umgaqo wokusebenza, iiNdlela zoMbane, iPolarization kunye nezicelo
Yintoni i-Helical Antenna? I-antenna ye-helical, eyaziwa ngokuba yi-helix antenna, yi-wire antenna eyenziwe ngokubhijela i-conductive wire okanye ityhubhu kwi-three-dimensional helix. Elinye icala le-helix lidla ngokuqhagamshelwa kumqhubi ophakathi womgca wokuphakelwa kombane, ngelixa i-outer...Funda ngokugqithisileyo -
I-Antenna yeLoop: Iindidi, uMgaqo wokuSebenza, iPatheni yeMisebe kunye nezicelo
Yintoni i-Antenna yeLoop? I-antenna yeloop yenziwa ngokuhlela into enye okanye ezingaphezulu eziqhubayo kwindlela evaliweyo kwaye yondla isakhiwo ngesignali ye-RF. Iloop inokuba yisangqa, isikwere, uxande, unxantathu, i-elliptical, okanye yenziwe ngenye indlela ukuze ihlangabezane nezinto ezithile...Funda ngokugqithisileyo -
I-Rhombic Antenna: Ulwakhiwo, Umgaqo Wokusebenza, Ipatheni Yokukhanya kunye Nezicelo
Yintoni i-Rhombic Antenna? I-antenna ye-rhombic yi-antenna yentambo eqondisayo eyenziwe zizinto ezine eziqhubayo ezicwangciswe kwisakhiwo esimile okwedayimani. Ingabonwa njengee-antenna ezimbini ze-V ezidityaniswe ukusuka kwesinye isiphelo ukuya kwesinye, kunye ne-vertex enye ebukhali esetyenziswa njengendawo yokutya kunye ne-ve...Funda ngokugqithisileyo -
Ithiyori ye-Antenna: Isebenza njani i-Antenna ye-V eguqulweyo?
Yintoni i-Antenna ye-V eguqulweyo? I-antenna ye-V eguqulweyo yindlela eqhelekileyo ye-antenna ye-dipole etyalwe embindini. Endaweni yokucwangcisa izinto ezimbini ezikhazimlayo kumgca othe tye othe tye, indawo yokuphakelwa iphakanyiselwa kwindawo ephezulu ngelixa iingalo ezimbini ze-antenna zityibilika...Funda ngokugqithisileyo -
Ithiyori ye-Antenna: Isebenza njani i-Antenna ye-V?
Yintoni i-Antenna ye-V? I-antenna ye-AV yi-antenna yentambo eqondisayo eyenziwe zizinto ezimbini eziqhubayo eziphuma ngaphandle ukusuka kwindawo efanayo yokutya. Xa ijongwa ukusuka phezulu, imilenze emibini ye-antenna yenza isakhiwo esicacileyo esimile okwe-V. I-antenna ye-V ingathathwa njengolungiselelo oluphuculweyo...Funda ngokugqithisileyo -
Ithiyori ye-Antenna yeNtambo eNde: Iindidi, Imigaqo yokuSebenza kunye nezicelo zoVavanyo lwe-RF
Kwithiyori ye-antenna, ubudlelwane phakathi kobude be-antenna kunye nobude bomsinga osebenzayo yenye yezona zinto zibalulekileyo ezichaphazela ukusebenza kwemitha. I-antenna ende yocingo ngumzekelo oqhelekileyo. Ngokungafaniyo ne-dipole emfutshane okanye i-dipole yesiqingatha samaza, i-antenna ende yocingo idla ngoku...Funda ngokugqithisileyo -
Ithiyori ye-Antenna: Yintoni i-Antenna emfutshane ye-Dipole?
I-antenna emfutshane ye-dipole yenye yeemodeli ezisisiseko ezisetyenziswa kwithiyori ye-antenna. Yi-antenna elula yocingo oluthe tyaba enobude obupheleleyo obuncinci kakhulu kunobude bomda wesignali yokusebenza. Nangona isakhiwo sibonakala silula kakhulu, i-dipole emfutshane ngumzekelo obalulekileyo...Funda ngokugqithisileyo -
Ithiyori ye-Antenna: Ukuqonda i-Antenna ye-Full-Wave Dipole
Yintoni i-Antenna yeDipole ye-Full-Wave? I-antenna ye-dipole ye-full-wave yi-antenna ye-dipole ethe ngqo enobude bomqhubi obupheleleyo obulingana nobude bomda omnye kwi-frequency yokusebenza. Ngamanye amazwi, ukuba ubude bomda bumelwe yi-λ, ubude bubonke be-di...Funda ngokugqithisileyo -
Ithiyori ye-Antenna - I-Half-Wave Folded Dipole
I-dipole egoqiweyo yi-antenna equlathe ii-conductors ezimbini ezidibeneyo ezidityaniswe kuzo zombini iziphelo, zenza isakhiwo esimile okweluphu evaliweyo, apho indawo yokuphakelwa ikwimbindi. Ubude obupheleleyo be-antenna buyisiqingatha sobude bomda, yiyo loo nto ikwabizwa ngokuba yi-half-wave folded ...Funda ngokugqithisileyo -
Ithiyori ye-Antenna – i-Half-Wave Dipole
I-antenna ye-dipole iyanqunyulwa ize igotywe ukuze kufumaneke imitha esebenzayo. Ubude obupheleleyo bentambo esetyenziswa njenge-dipole bulingana nesiqingatha sobude bomda (oko kukuthi, l=λ/2）). Olu hlobo lwe-antenna lubizwa ngokuba yi-half-wave dipole antenna. Ngenxa yeenzuzo zalo, yeyona isetyenziswa kakhulu...Funda ngokugqithisileyo -
Ithiyori ye-Antenna – Iintambo
Ii-antenna zocingo zezinye zezona ntlobo ziphambili zee-antenna. Ziyaziwa kwaye zisetyenziswa kakhulu. Ukuze siziqonde ngcono ii-antenna zocingo, masiqale sijonge umgca wothumelo. Umgca woThumelo Umgca wothumelo, okanye ucingo, uthwala amandla ombane...Funda ngokugqithisileyo -
Ithiyori ye-Antenna – I-Poynting Vector
Ii-Antenna zithumela okanye zifumana ulwazi ngokukhupha amandla e-electromagnetic. Ke ngoko, amandla kunye namandla ziiparameter eziphambili ezinxulumene nala maza e-electromagnetic, kwaye kubalulekile ukuxoxa ngazo. Amaza e-electromagnetic aquka zombini intsimi yombane kunye...Funda ngokugqithisileyo
