Mgbeikike nnyefenke ọwa anụ ahụ dị elu karịa ọchịchọ nke otu mgbaàmà, enwere ike ịkekọrịta ọwa site n'ọtụtụ akara.Ọmụmaatụ, eriri akpati nke usoro telifon na-enwekarị ọtụtụ puku akara ndị a na-ebunye n'otu eriri anya.Multiplexing bụ teknụzụ na-edozi ka esi eji ọwa na-ebufe ọtụtụ akara n'otu oge.Ebumnobi a bụ iji ngwa ugboro ugboro ma ọ bụ akụrụngwa oge nke ọwa na-eme ihe n'ụzọ zuru oke ma melite ọnụego ojiji nke ọwa.
Enwereụzọ abụọ nkịtị nke mgbaama multiplexing: ugboro nkewa multiplexing (FDM) na oge nkewa multiplexing (TDM) Oge nkewa multiplexing na-ejikarị maka multiplexing nke dijitalụ mgbaàmà.A na-ejikarị nkewa nkewa ugboro ugboro maka ọtụtụ akara analọgụ mana enwere ike iji ya maka akara dijitalụ.Akụkụ a ga-atụle ụkpụrụ na ntinye nke FDM.
Nkewa ugboro ugboro Multiplexingbụ a multiplexing usoro na-ekewa ọwa dị ka ugboro.Na FDM, bandwit nke ọwa na-ekewa n'ime ọtụtụ band band (sub-channel) nke na-adịghị ejikọta ibe ya.Ọwa akara ọ bụla nwere otu ọwa sub-ọwa, yana eriri ugboro (band nche) ga-edoberịrị n'etiti ọwa iji gbochie mgbanata mgbaama.Na njedebe nnata, ihe nzacha band-pass kwesịrị ekwesị na-ekewapụta ọtụtụ akara wee nwetaghachi akara achọrọ.
Ọnụ ọgụgụ na-esonụ na-egosiụkpụrụ ngọngọ eserese nke usoro ugboro nkewa multiplexing.Na njedebe na-ebufe, a na-ebu ụzọ gafere mgbaama olu baseband ọ bụla site na nzacha dị ala (LPF) iji kpachie ugboro kachasị elu nke mgbaama ọ bụla.Mgbe ahụ, a na-emegharị ọwa ọ bụla nke akara ka ọ bụrụ ugboro dị iche iche nke na-ebu ibu, nke mere na ọwa ọ bụla nke akara na-ebugharị n'ogo ugboro ya, wee jikọta ma zigara ya na ọwa maka nnyefe.A na-eji usoro nzacha band-pass nke nwere oge etiti dị iche iche na njedebe nnata iji kewaa akara ndị emezigharịrị.Mgbe emechara ha, a na-enwetaghachi akara ngosi baseband kwekọrọ na ọwa ọ bụla.
Iji gbochiennyonye anya ibeN'etiti akara ndị dị n'akụkụ, ugboro ole ụgbọelu F kwesịrị ka ahọpụtara nke ọma_ c1,f_ c2,···,f_ Cn ka edobere ụfọdụ band nche n'etiti ụdị mgbama gbanwetụrụ.
Nke a bụ iheShenzhen HDV phoelelectron Technology Co., Ltd.ewetara gị ihe ọmụma nke ugboro nkewa multiplexing.Enwere m olileanya na isiokwu a nwere ike inyere gị aka ịbawanye ihe ọmụma gị.E wezụga nke a isiokwu ma ọ bụrụ na ị na-achọ ezigbo ngwa anya eriri nkwurịta okwu akụrụngwa emeputa ụlọ ọrụ ị nwere ike ịtụlegbasara anyị.
Shenzhen HDV photoelectric Technology Co., Ltd bụ tumadi a emeputa nke nkwurịta okwu ngwaahịa.Ka ọ dị ugbu a, akụrụngwa a na-emepụta na-ekpuchiUsoro ONU, ngwa anya modul usoro, Usoro OLT, nausoro transceiver.Anyị nwere ike ịnye ọrụ ahaziri maka ọnọdụ dị iche iche.A na-anabata gịndụmọdụ.
