Lokacin da ƙarfin watsa tashar ta jiki ya fi buƙatar sigina ɗaya, ana iya raba tashar ta sigina da yawa, misali, layin gangar jikin tsarin tarho sau da yawa yana da dubban sigina da aka watsa a cikin fiber guda ɗaya. Multiplexing fasaha ce don warware yadda ake amfani da tashoshi don watsa sigina da yawa a lokaci guda. Manufarsa ita ce yin amfani da cikakken amfani da mita mita ko albarkatun lokaci na tashar da kuma inganta yawan amfani da tashar.Akwai hanyoyi guda biyu na yau da kullum na sigina mai yawa: Frequency division multiplexing (FDM) da Time division multiplexing (TDM). Yawancin lokaci ana amfani da yawancin sigina na dijital kuma za a tattauna su a Babi na 10. Ana yin amfani da yawan yawan adadin yawan lokaci don yawan siginar analog, amma kuma ana iya amfani da shi don siginar dijital. Wannan sashe zai tattauna ƙa'idodi da aikace-aikacen FDM.
Matsakaicin rabe-raben mita hanya ce mai yawa wanda ke rarraba tashoshi gwargwadon mita. A cikin FDM, bandwidth na tashar ya kasu kashi-kashi masu yawa waɗanda ba su zo ba (subchannels), kuma kowace sigina ta mamaye ɗaya daga cikin tashoshi na ƙasa, kuma dole ne a sami igiyoyin mitar da ba a yi amfani da su ba (maganin kariya) tsakanin tashoshi don hana sigina zoba. A ƙarshen karɓar, ana amfani da tacewa mai dacewa don raba sigina masu yawa, don dawo da siginar da ake buƙata.
Hoton da ke ƙasa yana nuna zanen toshe na tsarin raba mitar multixing. A ƙarshen watsawa, kowane siginar murya na baseband ana fara wucewa ta hanyar matatar ƙasa mara ƙarfi (LPF) don iyakance iyakar mitar kowace sigina. Sannan, kowace sigina ta canza zuwa mitar mai ɗaukar hoto daban-daban, ta yadda kowane siginar za a motsa shi zuwa kewayon rukunin mitar sa, sannan a haɗa shi cikin tashar don watsawa. A ƙarshen karɓar, ana amfani da jerin filtattun matatun band-pass tare da mitoci daban-daban don raba siginar da aka daidaita, kuma ana dawo da siginar tushe daidai bayan an lalata su.
Don hana tsangwama tsakanin sigina na kusa, mitoci f_c1,f_c2, f_cn yakamata a zaɓi su da kyau don barin takamaiman rukunin kariya tsakanin kowace siginar da aka daidaita.
Na sama shi ne Shenzhen HDV Phoelectron Technology Ltd. don kawo muku game da "mita division multiplexing" ilmi bayani, da fatan ya taimake ku, da Shenzhen HDV Phoelectron Technology Ltd. ban daONUjerin, transceiver jerin,OLTjerin, amma kuma samar da module jerin, kamar: Communication Optical module, Tantancewar sadarwa module, cibiyar sadarwa Tantancewar module, sadarwa Tantancewar module, Tantancewar fiber module, Ethernet Tantancewar fiber module, da dai sauransu, na iya samar da daidai ingancin sabis don daban-daban masu amfani 'bukatun. , barka da zuwan ku.