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    Abubuwan da ke tattare da tsarin watsa siginar baseband na dijital

    Lokacin aikawa: Nov-04-2024

    Hoto na 6-6 shine toshe zane na tsarin watsa siginar baseband na dijital. Yawanci ya ƙunshi tacewa mai aikawa (janar siginar tasha), tashoshi, karɓar tacewa da yanke shawara. Domin tabbatar da ingantaccen aiki da tsari na tsarin, ya kamata kuma a sami tsarin aiki tare.

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    Ayyukan kowane akwati a cikin adadi da kuma tsarin jiki na watsa sigina an kwatanta su kamar haka:

    (1) Tashar siginar janareta (tace mai watsawa). Ayyukansa shine samar da siginar siginar tushe wanda ya dace da watsa tashoshi. Saboda shigarwar gabaɗaya lambar watsawa ce ta hanyar mai rikodin lambar, daidaitaccen tsarin igiyar ruwa yawanci bugun bugun jini ne mai kusurwa huɗu, kuma bakan sa yana da faɗi sosai, wanda ba zai iya watsawa ba. Ana amfani da matattarar watsawa don damfara rukunin mitar siginar shigarwa da canza lambar watsawa cikin siginar siginar tushe wanda ya dace da watsa tashoshi.

    (2) Channel. Matsakaici ne wanda ke ba da damar siginar tushe don wucewa, yawanci tashoshi mai waya, irin su murɗaɗɗen igiya, kebul na coaxial, da sauransu. Halayen watsa tashar gabaɗaya ba su cika yanayin watsawa ba tare da murdiya ba, don haka zai haifar da murdiya. na watsa waveform. Bugu da ƙari, tashar ta gabatar da karar n (t) kuma tana ɗauka cewa ita ce gaussian farin amo tare da ma'anar sifili.

    (3) Karbar tacewa. Ana amfani da shi don karɓar siginar, tace sautin tashar da sauran tsangwama kamar yadda zai yiwu, daidaita halayen tashar, da kuma samar da raƙuman ruwa na tushe don dacewa da yanke shawara.

    (4) Shawarar Samfur. Ƙarƙashin bayanan halayen watsawa marasa gamsarwa da hayaniya, ana zana siginar fitarwa na matatar mai karɓa a ƙayyadadden lokaci (wanda aka sarrafa ta ɗan bugun bugun lokaci) don dawo da siginar tushe.

    (5) Lokacin bugun jini da cirewar aiki tare. Ana fitar da bugun bugun ɗan lokaci da aka yi amfani da shi don yin samfur daga siginar da aka karɓa ta da'irar hakar aiki tare, kuma daidaiton lokacin bit zai shafi tasirin yanke kai tsaye.

    Wannan ita ce ShenzhenHDV Pholantarki Fasaha Ltd. don kawo muku game da "The abun da ke ciki na dijital baseband watsa siginar", da fatan ya taimake ku, kuma ShenzhenHDV Pholantarki 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.

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