Sisebenza Kanjani Isiteshi Somsakazo I-FM?

Umsakazo we-FM usungene ezimpilweni zabantu abaningi futhi uwuhlobo lokusakaza olusetshenziswa kakhulu. Basakaza zonke izinhlobo zezinhlelo ezizwakalayo zemisakazo ukuze balethe abantu injabulo yokuphila. Nokho, ingabe uyazi ukuthi umsakazo uyiqopha kanjani le misindo futhi wenze uhlelo luzwakale emsakazweni? Lesi sihloko sizokutshela impendulo ngokusebenzisa.

 

Siyini Isiteshi Somsakazo I-FM?

 

Isiteshi somsakazo we-FM siyiqoqo lemishini, equkethe eyodwa noma ngaphezulu Imishini yokusakaza yomsakazo we-FM. Izovala isignali yomsakazo endaweni ukuze kuzuzwe inhloso yokuxhumana ngomsindo nempahla yomsebenzisi. Ziningi izinhlobo zomsakazo we-FM, njengomsakazo wedolobha okhokhelwayo, umsakazo womphakathi, ukushayela ushayela, umsakazo wangasese, njll. Ngokuvamile, iphakethe lesiteshi somsakazo we-FM eliphelele lizoqukatha lezi zinsiza ezilandelayo:

   

  • Umsakazi we-FM
  • I-antenna ye-FM esebenzayo
  • 20m intambo ye-coaxial enezixhumi
  • I-mixer yezindlela ezingu-8
  • Ama-headphone amabili okuqapha
  • Izipikha ezimbili zokuqapha
  • Iphrosesa yomsindo
  • Amamakrofoni amabili
  • Izitendi zamakrofoni ezimbili
  • Ikhava ye-BOP yemakrofoni emibili
  • Ezinye izesekeli ezidingekayo

  

Ngala madivaysi, umsindo uguqulwa isinyathelo ngesinyathelo, udluliselwe, futhi ekugcineni wamukelwe futhi udlalwe umsakazo womsebenzisi. Kulezi zisetshenziswa, isidlulisi se-FM, I-antenna yokusakaza ye-FM, ikhebula nolayini womsindo kuyadingeka, futhi isiteshi somsakazo asikwazi ukuphila ngaphandle kwakho. Eminye imishini idinga ukunquma ukuthi izongeza yini esiteshini sokusakaza ngokwesimo esithile.

 

Basebenza kanjani ndawonye?

 

Emishinini eshiwo ngenhla, isidlulisi sokusakazwa kwe-FM siyisisetshenziswa se-elekthronikhi esibaluleke kakhulu, kanti ezinye izinto zikagesi zisebenza ngakuso. Ngoba umsakazi we-FM akusona nje isisetshenziswa se-elekthronikhi sokusakaza amasignali omsakazo, kodwa futhi ngenxa yalokhu, umsakazi we-FM ubuye anqume ukusebenza kweziteshi zomsakazo ngezinga elikhulu.

 

Ukusebenza Imvamisa

 

Ifrikhwensi yokusebenza yesidluliseli inquma indawo yefrikhwensi yesiteshi somsakazo. Isibonelo, uma isidlulisi sidlulisa ifrikhwensi yomsakazo ku-89.5 MHz, ukuma kwefrikhwensi yesiteshi somsakazo ngu-89.5mhz. Uma nje umsakazo usaguqulelwa ku-89.5mhz, abalaleli bangalalela uhlelo lwalo msakazo.

 

  

Ngasikhathi sinye, ububanzi befrikhwensi yesidluliseli buhlukile, ngoba ibhendi yefrikhwensi ye-FM evunyelwe izwe ngalinye ihlukile. Amazwe amaningi asebenzisa i-88.0 MHz ~ 108.0 MHz, kuyilapho i-Japan isebenzisa ibhendi yefrikhwensi engu-76mhz ~ 95.0 MHz, futhi amanye amazwe aseMpumalanga Yurophu asebenzisa ibhendi yefrikhwensi engu-65.8 - 74.0 MHz. Imvamisa yokusebenza komthumeli oyithengayo idinga ukuhlangabezana nebanga lebhendi yefrikhwensi evunyelwe ezweni lakini.

 

Amandla Okusebenza

 

Amandla omsakazo anquma ukusabalala kwesiteshi somsakazo. Nakuba ukusakazwa kwesiteshi somsakazo kuthintwa yizinto eziningi, okuhlanganisa amandla omsakazo, ukuphakama kokufakwa kwe-antenna, ukuzuza kwe-antenna, izithiyo ezizungeze uthi, ukusebenza kosamukeli we-FM nokunye. Kodwa-ke, ukumbozwa kungalinganiselwa ngokuya ngamandla esithumeli. Lona umphumela wokuhlolwa wonjiniyela be-fmuser. Ngaphansi kwezimo ezithile, abathumeli bamandla ahlukahlukene bangafinyelela ukumbozwa okunjalo, okungasetshenziswa njengereferensi ukukusiza ukuthi ukhethe amandla esithumeli.

 

Inqubo Yokusebenza

 

Isiteshi somsakazo we-FM asisebenzi ngesisetshenziswa esisodwa sikagesi. Yize umsakazi we-FM uyisisetshenziswa se-elekthronikhi esibaluleke kakhulu, sidinga ukubambisana kwezinye izinto zikagesi ukuze kuqedelwe okuqukethwe okusakazwayo okuvamile ngokujwayelekile.

  

 

Okokuqala ukukhiqizwa kokuqukethwe okusakazwayo - okuqukethwe okusakazwayo ukudala okuqukethwe komsindo, okuhlanganisa nezwi lommemezeli, noma abasebenzi bafaka umsindo osakazwayo orekhodiwe kukhompuyutha. Eziteshini zomsakazo ezichwepheshile, zingase futhi zidinge ukusebenzisa izixube namaphrosesa womsindo ukuze bahlele futhi balungiselele lokhu okuqukethwe komsindo ukuze bathole okuqukethwe okusakazwa kangcono.

  

 

Bese kuba khona okokufaka komsindo nokuguqulwa - umsindo ohleliwe nowenziwe waba ngcono uyafakwa ku Umsakazi womsakazo we-FM ngomugqa womsindo. Ngokuguquguquka kwe-FM, isidlulisi siguqula izwi elingaziwa emshinini libe yisignali yomsindo engabonwa umshini, okungukuthi, isignali kagesi emelela umsindo noshintsho lwamanje. Uma i-transmitter ifakwe ubuchwepheshe be-DSP + DDS, izofaka isignali yomsindo kudijithali futhi ithuthukise ikhwalithi yesignali yomsindo.

  

  

Ukusakazwa nokwamukela amasignali omsakazo - Umsakazi we-FM udlulisela amasignali kagesi othini, uwaguqule abe amasignali omsakazo futhi uwasakaze. Isamukeli esiphakathi nendawo esitholakala kuyo, njengomsakazo, samukela amaza omsakazo avela othini bese siwaguqula abe amasignali kagesi ukuze adluliselwe kumamukeli. Ngemuva kokucubungula ngumamukeli, izoguqulwa ibe umsindo futhi idluliselwe. Kuleli qophelo, izethameli zingezwa umsindo wesiteshi somsakazo.

 

Udinga uhlelo lomsakazo Lokusakaza?

 

Bheka lapha, ingabe ungathanda ukumisa isiteshi somsakazo ngokwakho? Ukuze uthenge izinto zokusakaza zomsakazo, ungakhetha i-Rohde & Schwarz. Bangamabhizinisi ahamba phambili embonini yezokusakaza emsakazweni. Imikhiqizo yabo ingeyezinga eliphezulu, kodwa futhi iletha izinkinga zezindleko eziphezulu. Uma ungenaso isabelomali esiphezulu kangaka, kungani ungakhethi i-fuser? Njengomhlinzeki wemishini yokusakaza yomsakazo ochwepheshe, singanikeza isethi yomsakazo ephelele nesixazululo esinekhwalithi ezinzile nezindleko eziphansi. Uma unentshisekelo, sicela usithinte. Silwela ukwenza amakhasimende ethu azizwe ezwakala futhi aqondwe

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