AmakhompyuthaImishini

Antenna Offset - okungcono TV iziteshi eliphezulu

Ezweni lanamuhla libhekene ukuthuthukiswa kolwazi nobuchwepheshe ngokushesha. Ngakho-ke kakhulu ngcono nolwazi okuxhunyanwa izindlela. Phela, badinga ukuhlinzeka izinga more high nokucubungula isivinini. Enye yalezi zindawo ziye zasetshenziswa kakhulu, kube satellite. Isetshenziselwa emikhakheni eminingi yomsebenzi womuntu, kusuka ngezigigaba enkulu yezimboni futhi imikhaya emincane.

Omunye yalezi zigigaba kuyinto satellite TV. Manje kunzima kakhulu ukuthola okungenani oyedwa emabhulokini amafulethi ezazingathandi sezisunguliwe okungenani ezimbalwa izitsha satellite. Lokhu akusona isimanga, ngoba imali elincane ungathola eliphezulu we-TV ukusakaza ukusuka emhlabeni jikelele.

Kunezinhlobo ezimbili eziyinhloko zezinto zomculo: ebalulekile eqondile antenna offset. umehluko sabo esisemqoka komunye nomunye kuyinto indawo wathola isignali isikhala. Futhi Ubukhulu ezahlukene isidlo parabolic. Ngakho, antenna offset incane ngobukhulu, futhi iphuzu nokubekwa Converter (in reflection wakhe kwenzeka) is benani eksisi yejeyomethri. Ukuze ngqo antenna ebalulekile libhekene usayizi esikhulu futhi, ngokufanelekile, njengoba kubonakala kula iphuzu ibekwe ku-eksisi yejeyomethri.

antenna Offset usebenza isimiso isignali reflection kusuka anfasnoy ingxenye parabola kuya Converter. Isebenzisa kuphela ingxenye legatsha parabola. antenna offset Iningi has anfasny uhlobo amaqanda, lezo mancane - umbuthano. Kusitshela amadivayisi ngaphezulu kokuba usayizi ubukhulu ubuncane imitha ezingaphezu kweyodwa. Ukuze encane - ngaphansi kwekhulu ngamasentimitha.

Kodwa kuhle ukuthi uzinake wena ukuthi antenna offset ingasetshenziswa ukuthola isignali ithelevishini okhokhelwayo. Lokhu kungenxa yokuthi ku kuveza Converter ukwakha indawo engalingani.

Ukuze usethe offset -antenna satellite akudingi utshalomali abalulekile isikhathi namandla, ngoba kuyadingeka ukuze ulungise lezi amadivaysi cishe thwi, futhi lokhu lula kakhulu okunamathiselwe kwabo emphemeni, noma umane ebodeni ekhaya. Futhi, le divayisi has inzuzo enkulu: zonke kwezulu akazange icabange plate lembhali. Zonke lezi nemingcele bese nomthelela ukusakazeka ebanzi yalezi amadivaysi ukuxhuma TV satellite.

antenna Offset tingentiwa ngezinto ezahlukene: plastic, steel anezikhala, aluminium - kungaba isisekelo sokuthethelelwa ukukhiqizwa evele lembhali. Ngayinye yalezi amadivaysi kunezinzuzo zako siqu kanye nobubi obuthile. Ngokwesibonelo, izimpondo ezincanyana zaleli kusukela plastic kakhulu ukuthonywa lokushisa, kodwa alula kakhulu kakhulu isisindo futhi kulula ukufaka. Steel, kunalokho, kusinda, kodwa Sinemandla futsi eziqinile. Nakuba i-antenna kwale nto abe impahla ukuthi inomphumela omubi phezu reception - bona nokugqwala ngokuhamba kwesikhathi.

Izinto zesimanje emakethe izokunikeza anhlobonhlobo imikhiqizo, ukuze ukwazi ukukhetha okulungile endabeni ethile.

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