Lokacin dakarfin watsawana tashar jiki ta fi girma fiye da buƙatar sigina ɗaya, ana iya raba tashar ta sigina da yawa.Misali, layin gangar jikin tsarin tarho yawanci yana da dubban sigina da ake watsawa akan fiber na gani guda ɗaya.Multiplexing fasaha ce da ke warware yadda ake amfani da tashar don watsa sigina da yawa a lokaci guda.Manufar ita ce don yin cikakken amfani da mitar band ko albarkatun lokaci na tashar da inganta yawan amfani da tashar.
AkwaiHanyoyi guda biyu na gama gari na yawan sigina: Matsakaicin rarraba mita (FDM) da rarrabuwar lokaci (TDM) yawancin lokaci ana amfani da yawan adadin sigina na dijital.Ana amfani da yawan juzu'in rarrabuwar kawuna don yawan siginar analog amma kuma ana iya amfani dashi don siginar dijital.Wannan sashe zai tattauna ƙa'ida da aikace-aikacen FDM.
Matsakaicin rabo Multiplexinghanya ce ta multixing wacce ke rarraba tashoshi gwargwadon mita.A cikin FDM, bandwidth na tashar yana kasu kashi-kashi zuwa nau'i na nau'i na mitar band (sub-channels) waɗanda ba su zo tare da juna ba.Kowane tashoshi na sigina ya mamaye ɗaya daga cikin ƙananan tashoshi, kuma dole ne a adana makaɗaɗɗen mitar mitar da ba a yi amfani da su ba (maƙallan gadi) tsakanin tashoshi don hana sigina zoba.A ƙarshen karɓar, madaidaicin madaidaicin band-pass yana raba sigina da yawa kuma yana dawo da siginar da ake buƙata.
Hoto mai zuwa ya nunaka'idar toshe zane na tsarin rarraba mitar multixing.A ƙarshen watsawa, kowane siginar murya na baseband ana fara wucewa ta hanyar matatar ƙasa mai ƙarancin wucewa (LPF) don iyakance mafi girman mitar kowace sigina.Sannan kowane tashar sigina ana canza shi zuwa mitoci daban-daban, ta yadda kowace tashar sigina za a motsa zuwa mitar ta, sannan a haɗa ta a aika zuwa tashar don watsawa.Ana amfani da jerin filtattun matattarar bandeji tare da mitoci daban-daban a ƙarshen karɓa don raba siginar da aka daidaita.Bayan an lalata su, ana dawo da siginar bandeji mai dacewa na kowane tashoshi.
Domin hanawatsoma bakin junatsakanin sigina da ke kusa, ya kamata a zaɓi mitar mai ɗauka F cikin hankali_ c1,f_ c2,···,f_ Cn domin an tanadar da takamaiman rukunin gadi tsakanin siginar da aka daidaita.
Wannan shi ne abin daShenzhen HDV phoelelectron Technology Co., Ltd.ya kawo muku ilimin yawan rarraba mita.Ina fatan wannan labarin zai iya taimaka muku wajen haɓaka ilimin ku.Bayan wannan labarin idan kuna neman ingantaccen kamfanin kera kayan sadarwa na fiber optic za ku iya la'akari da sugame da mu.
Shenzhen HDV photoelectric Technology Co., Ltd. shine yafi masana'anta na samfuran sadarwa.A halin yanzu, kayan aikin da aka samar sun rufejerin ONU, na gani module jerin, Hanyoyin ciniki na OLT, kumatransceiver jerin.Za mu iya samar da ayyuka na musamman don yanayi daban-daban.Barka da zuwatuntuba.
