kudziwa za tinyanga ta TV

Mfundo yogwira ntchito ndi ntchito

NKHANI_1

Monga gawo lofunika kwambiri la kulumikizana opanda zingwe, ntchito yayikulu ya mlongoti ndikuwunikira ndikulandila mafunde a wailesi.Potumiza, mafunde apamwamba kwambiri amasinthidwa kukhala mafunde amagetsi;Pakulandira, mafundewa amasinthidwa kukhala ma frequency apamwamba.

Mitundu ya antenna

Pali mitundu yambiri ya tinyanga, ndipo titha kugawidwa m'magulu otsatirawa: Base Station Antenna ndi Mobile Portable Antenna antenna kuti agwiritse ntchito mosiyanasiyana atha kugawidwa mu ultra-long wave, wave wave, medium wave, short wave, ultra-short wave. ndi ma microwave antennas amagulu osiyanasiyana ogwiritsira ntchito.Malinga ndi malangizo ake, amatha kugawidwa m'magulu a omnidirectional ndi otsogolera.

Momwe Mungasankhire Mlongoti

Monga gawo lofunikira la machitidwe oyankhulana, ntchito ya antenna imakhudza mwachindunji ndondomeko ya njira yolankhulirana.Wogwiritsa ntchitoyo ayenera kuyang'anitsitsa momwe amagwirira ntchito posankha mlongoti.Mwachindunji, pali mbali ziwiri, kusankha koyamba kwa mtundu wa mlongoti;Chosankha chachiwiri ndi ntchito yamagetsi ya mlongoti.Kufunika kosankha mtundu wa antenna ndi: ngati chitsanzo cha mlongoti wosankhidwa chikukwaniritsa zofunikira za kuwulutsa mafunde a wailesi pakupanga dongosolo;Zofunikira pakusankha ntchito yamagetsi ya mlongoti ndi izi: Dziwani ngati mawonekedwe amagetsi a mlongoti, monga ma frequency bandwidth, kupindula, ndi mphamvu zovotera, akukwaniritsa zofunikira za dongosolo.Chifukwa chake, wogwiritsa ntchitoyo ayenera kulumikizana ndi wopanga posankha mlongoti.

Kupeza kwa mlongoti

Kupeza ndi chimodzi mwazinthu zazikulu za mlongoti.Ndiwopangidwa ndi mayendedwe owongolera komanso magwiridwe antchito, ndipo ndikuwonetsa kukula kwa radiation ya mlongoti kapena mafunde olandilidwa.Kusankhidwa kwa kukula kwa phindu kumadalira zofunikira za dongosolo la dongosolo la malo owonetsera mafunde a wailesi.Mwachidule, pansi pazikhalidwe zomwezo, kupindula kwakukulu, ndipamene mtunda wofalitsa mafunde a wailesi ukukwera.Nthawi zambiri, mlongoti wapansi umatenga mlongoti wopeza ndalama zambiri, ndipo mlongoti wa siteshoni yam'manja umatenga mlongoti wopeza wotsika.


Nthawi yotumiza: Aug-25-2022