Ezweni lezimpondo, kunomthetho onjalo. Lapho a mpoi-antenna ene-polarizedidlulisa, ingatholwa kuphela ngothi oluqondile oluqondile; lapho i-antenna evundlile idlulisa, ingatholwa kuphela ngothi oluvundlile oluvundlile; lapho isandla sokudlai-antenna ene-polarizedidlulisa, ingatholwa kuphela ngothi oluyindilinga olusesandleni sokudla; lapho i-antenna eyindilinga engakwesokunxele idlulisa, ingatholwa kuphela ngothi oluyindilinga olusesandleni sokudla; I-antenna eyisiyingi eyi-polarized idlulisela futhi ingatholwa kuphela ngothi oluyindilinga olungakwesokunxele oluyindilinga.
RM-CPHA82124-20(8.2-12.4GHz)
RM-CPHA1840-12(18-40GHz)
RM-CPHA218-16(2-18GHz)
I-RFMISOImikhiqizo yezimpondo eziyisiyingi eziyindilinga
I-antenna ebizwa ngokuthi i-vertically polarized antenna ibhekisela kugagasi elikhishwa uthi, futhi isiqondiso sayo se-polarization sime mpo.
Isiqondiso se-polarization segagasi sibhekisela ekuqondeni kwe-vector yensimu kagesi.
Ngakho-ke, ukuqondiswa kwe-polarization kwegagasi kuqondile, okusho ukuthi isiqondiso se-vector yensimu kagesi siqondile.
Ngokufanayo, i-antenna ene-polarized evundlile isho ukuthi isiqondiso samagagasi sivundlile, okusho ukuthi isiqondiso senkundla kagesi yamagagasi ewakhiphayo sihambisana nomhlaba.
I-polarization eqondile kanye ne-polarization evundlile zombili izinhlobo ze-polarization yomugqa.
I-polarization ebizwa ngokuthi i-linear ibhekisela ekuhlukaniseni amagagasi, okungukuthi, isiqondiso samaphuzu enkambu kagesi ngendlela eqondile. Ukulungiswa kusho ukuthi ngeke kushintshe.
I-antenna eyisiyingi eyi-polarized ibhekisela ekuhlukaniseni igagasi, okungukuthi, isiqondiso senkambu kagesi, ezungeza ngesivinini esilinganayo se-angular njengoba isikhathi sishintsha.
Ngakho-ke inqunywa kanjani i-polarization eyindilinga yesandla sokunxele nesesandleni sokudla?
Impendulo isezandleni zakho.
Khipha izandla zombili, izithupha zazo zibheke lapho amagagasi asakazwa khona, bese ubona ukuthi iyiphi iminwe egobile yesandla ezungeza ohlangothini olufanayo nolwe-polarization.
Uma isandla sokudla sifana, i-polarization yesandla sokudla; uma isandla sokunxele sifana, siyi-polarization yesandla sobunxele.
Okulandelayo, ngizosebenzisa amafomula ukuze ngikuchazele. Manje ake sithi kunamagagasi amabili agqagqene.
Isiqondiso esisodwa se-polarization yi-x direction futhi i-amplitude ingu-E1; isiqondiso esisodwa se-polarization yi-y direction futhi i-amplitude yi-E2; womabili amagagasi asakazeka ohlangothini luka-z.
Iphakamisa amagagasi amabili, inkambu kagesi ephelele yile:
Kusukela kufomula engenhla, maningi amathuba:
(1) E1≠0, E2=0, bese indlela yokuhlukanisa igagasi lendiza i-x-eksisi
(2) E1=0, E2≠0, bese indlela yokuhlukanisa igagasi lendiza i-y-eksisi
(3) Uma u-E1 no-E2 kokubili kuyizinombolo zangempela hhayi u-0, khona-ke isiqondiso sokwehlukana kwegagasi lendiza sakha i-engeli elandelayo nge-eksisi engu-x:
(4) Uma kunomehluko wesigaba esithile phakathi kwe-E1 ne-E2, njengoba kuboniswe emfanekisweni ongezansi, igagasi lendiza lingaba igagasi eliyindingiliza eliyindilinga elingakwesokudla noma libe igagasi eliyindingiliza eliyindilinga elingakwesokunxele.
Ukuze ama-antenna amise mpo athole amagagasi aqondile ahlukanisiwe, kanye nezimpondo ezivundlile ukuze zithole amagagasi aqondile avundlile, ungakuqonda ngokubheka lesi sithombe esingezansi.
Kodwa kuthiwani ngamaza ayisiyingi agqagqene? Enqubweni yokuthola i-polarization eyindilinga, itholakala ngokubeka phezulu ama-polarizations amabili omugqa anomehluko wesigaba.
Ukuze ufunde kabanzi ngama-antenna, sicela uvakashele:
Isikhathi sokuthumela: May-21-2024
