Ngomlawuli / 10 Aug 22 /0Amazwana Ukushintshashintsha kwe-nonlinear (Ukuguquguquka kwe-engeli) Lapho sidlulisela isignali, kungakhathaliseki ukuthi isignali ye-optical, isignali kagesi, noma isignali engenazintambo, uma idluliswa ngokuqondile, isignali iphazamiseka kalula ngomsindo, futhi kunzima ukuthola ukwaziswa okunembile ekugcineni kokwamukela. Ukuze kuthuthukiswe ikhono lokulwa nokuphazamiseka... Funda kabanzi Ngomlawuli / 09 Aug 22 /0Amazwana Kanambambili Digital Modulation Izindlela eziyisisekelo zokushintshwa kwedijithali kanambambili yilezi: Ukhiye we-amplitude kanambambili (2ASK)—ushintsho lwe-amplitude yesiginali yenkampani yenethiwekhi; I-Binary frequency shift keying (2FSK)—ukushintsha imvamisa yesiginali yenkampani yenethiwekhi; Ukhiye wokushintsha wesigaba kanambambili (2PSK)—ushintsho lwesigaba sesiginali yenkampani yenethiwekhi. Ukhiye wokushintsha wesigaba esihlukile... Funda kabanzi Ngomphathi / 08 Aug 22 /0Amazwana I-Rogue ONU yaba khona kanjani Uhlelo lwe-PON lusebenzisa ubuchwepheshe bokuhlukanisa isikhathi sokuphindaphinda ekuqondeni kwe-uplink, futhi i-ONU ithumela ama-datagrams ekuqondeni kwe-uplink ngokuvumelana nesitembu sesikhathi esinikezwe i-OLT. Uma i-ONU ikhipha ukukhanya ngaphandle kokunikeza isitembu sesikhathi, izongqubuzana nezimpawu zokukhishwa kwezinye ku... Funda kabanzi Ngomlawuli / 05 Aug 22 /0Amazwana Umsebenzi we-Optical module FEC Ngokuthuthukiswa kwezinhlelo zokuxhumana ezibonakalayo ezinebanga elide, umthamo omkhulu, kanye nesivinini esiphezulu, ikakhulukazi uma izinga legagasi elilodwa lishintsha ukusuka ku-40g kuya ku-100g noma ngisho ne-super 100g, ukuhlakazeka kwe-chromatic, imiphumela engaqondile, ukuhlakazeka kwemodi ye-polarization, neminye imiphumela yokudlulisela ku. .. Funda kabanzi Ngomlawuli / 04 Aug 22 /0Amazwana Ikhodi yokuthola iphutha Kusendlalelo Sesixhumanisi Sedatha [Kuchaziwe] Ikhodi yokuthola iphutha (ikhodi yokuhlola ukulinganiswa): ikhodi yokuhlola ukulinganiswa iqukethe iyunithi yolwazi yebhithi elingu-n-1 kanye nesici sokuhlola esingu-1 bit. Iyunithi yolwazi lwebhithi ye-N-1 yidatha evumelekile kulwazi esiluthumelayo, futhi iyunithi yokuhlola ye-1-bit isetshenziselwa ukutholwa kwamaphutha kanye nekhodi yokuphinda isetshenziswe. Ukuhlola okungavamile: uma i-n... Funda kabanzi Ngomlawuli / 03 Aug 22 /0Amazwana Ukulawulwa Kwephutha Lesendlalelo Sedatha ye-OSI [Kuchaziwe] Sawubona, Bafundi. Kulesi sihloko ngizoxoxa nge-OSI-Data Link Layer Error Control ngencazelo. Masiqale… Ukuze siqonde ukudluliswa kwesendlalelo sesixhumanisi sedatha ake sithathe isibonelo, uma idivayisi engu-A idinga ukuxhumana nedivayisi engu-B, isixhumanisi sokuxhumana ... Funda kabanzi << < Edlule891011121314Okulandelayo >>> Ikhasi 11/47