By Admin / 19 Agoosto 22 /0Faallo Soo dhawaynta ugu Fiican ee Calaamadaha Dijital ah Nidaamka isgaadhsiinta dhijitaalka ah, qaataha waxa uu helayaa wadarta calaamada la gudbiyo iyo qaylada kanaalka. Soo dhawaynta ugu fican ee calaamadaha dhijitaalka ah ee ku salaysan heerka “ugu fiican” ee leh suurtogalnimada khaladka ugu yar. Khaladaadka lagu tixgaliyay cutubkan waxa inta badan sabab u ah band-xaddidan Sii akhri By Admin / 17 Agoosto 22 /0Faallo Halabuurka Nidaamka Gudbinta Calaamadaha Baseband Digital Jaantuska 6-6 waa jaantuska xannibaadda nidaamka gudbinta signallada sal-dhigitaalka caadiga ah. Waxay inta badan ka kooban tahay shaandhada gudbinta (soo-dhaliyaha calaamadaha kanaalka), kanaalka, shaandhada soo dhawaynta, iyo muunad go'aamiye. Si loo hubiyo in la isku halayn karo oo habsami leh hawsha o... Sii akhri By Admin / 16 Agoosto 22 /0Faallo Horudhac Waveforms Signal Baseband Calaamada badhanka dhijitaalka ah waa qaab mowjad koronto ah oo ka dhigan macluumaadka dhijitaalka ah, kaas oo lagu matali karo heerar ama garaacyo kala duwan. Waxaa jira noocyo badan oo ah calaamadaha baseband ee dhijitaalka ah (hadda kadib waxaa loo tixraacaa calaamadaha baseband). Jaantuska 6-1 waxa uu tusinayaa dhawr mawjadaha calaamada sal-band,... Sii akhri By Admin / 15 Agoosto 22 /0Faallo Barashada Calaamadaha Calaamadaha qirashada waxa loo qaybin karaa ishaarooyinka tamarta iyo calaamadaha tamarta sida ay u kala xoog badan yihiin. Calaamadaha korontadu waxa loo qaybin karaa calaamado xilliyeed ah iyo calaamado xilliyeedka iyadoo loo eegayo inay xilliyo yihiin iyo in kale. Calaamadaha tamarta waa ku xaddidan baaxadda iyo muddada, tamarteedu waa fi... Sii akhri By Admin / 12 Agoosto 22 /0Faallo Isku-dhufashada Qaybta Soo noqnoqda Marka awoodda gudbinta kanaalka jireed ay ka sarreyso baahida hal calaamad, kanaalka waxaa la wadaagi karaa calaamado badan. Tusaale ahaan, khadka jirridda ee nidaamka telifoonku waxa uu inta badan leeyahay kumanaan calaamadood oo lagu kala qaado hal fiber optic ah. Multiplexing waa tignoolajiyada xalisa... Sii akhri By Admin / 11 Agoosto 22 /0Faallo Noocyada Koodhka Guud ee Gudbinta Baseband 1) Koodhka AMI Magaca buuxa ee AMI (Alternative Mark Inversion) koodka waa summada beddelka ah ee beddelka. bannaan) isma beddelin. Tusaale: Koodhka farriinta: 0 1 1 0 0 0 0 0 0 0 1 1 0 0 1 1… AMI code: 0 -1 +1 0 0 0 0 0 0 0 0 -1 +1 0 0 -1 +1… Qaabka mawjada u dhiganta AMI code waa... Sii akhri << < kii hore78910111213Xiga >>> Bogga 10 / 47