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A cikin tsarin sadarwar dijital, abin da mai karɓa ke karɓa shine jimillar siginar da aka watsa da kuma hayaniyar tashar. Mafi kyawun liyafar siginar dijital ya dogara ne akan mafi ƙarancin yuwuwar kuskure a matsayin ma'aunin "mafi kyau". An yi la'akari da kurakurai a cikin wannan babin sune mai...

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, th ...

Lokacin da ƙarfin watsa tashar ta jiki ya fi buƙatar sigina ɗaya, ana iya raba tashar ta sigina da yawa, alal 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 magance yadda t...

(1) AMI code AMI (Alternative Mark Inversion) lambar ita ce cikakken sunan madadin alamar inversion code, tsarin sa na rufaffen shi shine ya canza lambar saƙon "1" (alama) zuwa "+1" da "-1", yayin da alamar "0" (alamar wofi) ba ta canzawa. Misali...

Lokacin da muke watsa sigina, ko siginar gani ne ko siginar lantarki ko siginar mara waya, idan ana watsa ta kai tsaye, siginar na iya fuskantar tsangwamar amo, kuma yana da wahala a sami ingantaccen bayani a ƙarshen karɓa. Domin t...

Hanyoyi na asali na ƙirar dijital na binary sune: binary amplitude keying (2ASK) - canjin girman siginar mai ɗauka; Binary mitar motsi keying (2FSK) - canjin mitar siginar mai ɗauka; Binary Phase Shift Keying (2PSK) - Canjin lokaci na mai ɗauka si...