Hoto 6-6 shine toshe zane na tsarin watsa siginar baseband na dijital. Yawanci ya ƙunshi matatar watsawa (janar siginar tasha), tashoshi, matatar karɓa, da mai yanke shawara. Domin tabbatar da ingantaccen aiki da tsari na tsarin, yakamata a sami tsarin aiki tare.
Ayyukan kowane toshe a cikin adadi da tsarin watsa sigina na zahiri an bayyana su a taƙaice kamar haka:
(1) Tsohuwar siginar tasha (tace watsawa). Ayyukansa shine don samar da siginar siginar tushe wanda ya dace da watsa tashoshi. Domin shigar da shi gabaɗaya ita ce lambar watsawa ta hanyar nau'in code ɗin, daidaitaccen madaidaicin ƙaƙƙarfan igiyar ruwa yawanci bugun bugun jini ne mai murabba'i, kuma bakan sa yana da faɗi sosai, wanda ba ya da ikon watsawa. Ana amfani da matatar watsawa don damfara rukunin siginar shigarwa da canza lambar watsawa zuwa siginar siginar tushe wanda ya dace da watsa tashoshi.
(2) Channel. Matsakaici ne wanda ke ba da damar sigina na baseband su wuce, yawanci tashar waya, kamar murɗaɗɗen biyu, kebul na coaxial, da sauransu. Halayen watsawa na tashar gabaɗaya ba sa saduwa da yanayin watsawa mara kyau, don haka yanayin watsawa zai kasance. a gurbata. Bugu da ƙari, an gabatar da amo n (T) a cikin tashar, kuma an ɗauka cewa ita ce gaussian farin amo tare da ma'anar darajar sifili.
(3) Tacewar karɓa Ana amfani da ita don karɓar sigina, tace hayaniyar tashoshi da sauran tsangwama gwargwadon yuwuwar, daidaita halayen tashoshi, da sanya ƙaƙƙarfan raƙuman ruwa mai fitarwa don dacewa da yanke shawara.
(4) Zaɓen Misali. Shi ne don yin samfuri da kuma tantance tsarin fitarwa na matatar mai karɓa a ƙayyadaddun lokaci (wanda ake sarrafa shi ta hanyar bugun bugun lokaci) don murmurewa ko sake haifar da siginar tushe a ƙarƙashin bangon halayen watsawa mara gamsarwa da hayaniya.
(5) Lokacin bugun bugun jini da bugun bugun bugun jini na lokaci-lokaci na aiki tare da ake amfani da shi don yin samfur ana fitar da su daga siginar da aka karɓa ta da'irar hakar aiki tare. Daidaiton lokacin bit zai shafi sakamakon yanke shawara kai tsaye.
Wannan shine abun da ke tattare da tsarin watsa siginar dijital na baseband wanda Shenzhen HDV Phoelectron Technology Co., Ltd. ya kawo muku. Ina fatan wannan labarin zai iya taimaka muku wajen haɓaka ilimin ku. Bayan wannan labarin idan kuna neman ingantaccen kamfanin kera kayan sadarwar fiber na gani 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.
