Izindaba

Izindaba

  • Isimiso sokusebenza sekhebula le-USB elisebenzayo

    Isimiso sokusebenza sekhebula le-USB elisebenzayo

    Ikhebula le-USB Active Optical (AOC) ubuchwepheshe obuhlanganisa izinzuzo zezintambo ze-optical kanye nezixhumi zikagesi zendabuko. Lisebenzisa ama-chip okuguqula i-photoelectric ahlanganiswe kuzo zombili izinhlangothi zekhebula ukuze lihlanganise izintambo ze-optical kanye nezintambo ngokwemvelo. Lo mklamo uvumela i-AOC ukuthi inikeze izinzuzo eziningi kunezintambo zethusi zendabuko, ikakhulukazi ekudlulisweni kwedatha okude, okusheshayo...
    Funda kabanzi
  • Izici kanye nokusetshenziswa kwezixhumi ze-fiber optic zohlobo lwe-UPC

    Izici kanye nokusetshenziswa kwezixhumi ze-fiber optic zohlobo lwe-UPC

    Isixhumi se-fiber optic sohlobo lwe-UPC siwuhlobo lwesixhumi esivamile emkhakheni wokuxhumana kwe-fiber optic, lesi sihloko sizohlaziya izici zaso kanye nokusetshenziswa kwaso. Izici zesixhumi se-fiber optic sohlobo lwe-UPC 1. Ukuma kobuso bokugcina Ubuso bokuphela kwephini yesixhumi se-UPC bulungiselelwe ukwenza ubuso baso bube bushelelezi, bube njengedome. Lo mklamo uvumela ubuso bokuphela kwe-fiber optic ukuthi bufinyelele ukuxhumana okuseduze...
    Funda kabanzi
  • Ikhebula le-Fiber optic: ukuhlaziywa okujulile kwezinzuzo kanye nokungalungi

    Ikhebula le-Fiber optic: ukuhlaziywa okujulile kwezinzuzo kanye nokungalungi

    Ebuchwephesheni bezokuxhumana besimanje, izintambo ze-fiber optic zidlala indima ebalulekile. Le ndlela, edlulisa idatha ngezibonakaliso ze-optical, ithatha indawo engenakuphikwa emkhakheni wokudluliselwa kwedatha ngesivinini esikhulu ngenxa yezici zayo zomzimba ezihlukile. Izinzuzo Zezintambo ze-Fiber Optic Ukudluliselwa kwesivinini esikhulu: Izintambo ze-fiber optic zinganikeza amazinga aphezulu kakhulu okudluliselwa kwedatha, i-theoretic...
    Funda kabanzi
  • Isingeniso kubuchwepheshe be-PAM4

    Isingeniso kubuchwepheshe be-PAM4

    Ngaphambi kokuqonda ubuchwepheshe be-PAM4, buyini ubuchwepheshe bokushintshashintsha? Ubuchwepheshe bokushintshashintsha buyindlela yokuguqula izimpawu ze-baseband (izimpawu zikagesi ezingavuthiwe) zibe izimpawu zokudlulisa. Ukuze kuqinisekiswe ukusebenza kahle kokuxhumana nokunqoba izinkinga ekudlulisweni kwezimpawu zebanga elide, kubalulekile ukudlulisa i-spectrum yesignali esiteshini esivame kakhulu ngokusebenzisa ukuguqulwa kwe ...
    Funda kabanzi
  • Imishini eminingi esebenzayo yokuxhumana kwe-fiber optic: ukucushwa nokuphathwa kwama-transceivers e-fiber optic

    Imishini eminingi esebenzayo yokuxhumana kwe-fiber optic: ukucushwa nokuphathwa kwama-transceivers e-fiber optic

    Emkhakheni wokuxhumana kwe-fiber optic, ama-transceiver e-fiber optic awawona nje amadivayisi ayisihluthulelo okuguqula izimpawu zikagesi nezokukhanya, kodwa futhi amadivayisi asebenzayo amaningi abalulekile ekwakhiweni kwenethiwekhi. Lesi sihloko sizohlola ukucushwa nokuphathwa kwama-transceiver e-fiber optic, ukuze kunikezwe isiqondiso esisebenzayo kubaphathi benethiwekhi nonjiniyela. Ukubaluleka...
    Funda kabanzi
  • Ikamu lemvamisa yokukhanya kanye nokudluliswa kokukhanya?

    Ikamu lemvamisa yokukhanya kanye nokudluliswa kokukhanya?

    Siyazi ukuthi kusukela ngawo-1990, ubuchwepheshe be-WDM wavelength division multiplexing busetshenziswe ekuxhumaneni kwe-fiber optic okude okuthatha amakhulu noma ngisho nezinkulungwane zamakhilomitha. Kwamanye amazwe nezifunda eziningi, ingqalasizinda ye-fiber optic iyimpahla yabo ebiza kakhulu, kuyilapho izindleko zezingxenye ze-transceiver ziphansi kakhulu. Kodwa-ke, ngokukhula okukhulu kwesilinganiso sokudluliselwa kwedatha yenethiwekhi...
    Funda kabanzi
  • I-EPON, inethiwekhi ye-broadband ye-GPON kanye nokuhlolwa kokuhlanganiswa kwenethiwekhi kathathu kwe-OLT, ODN, kanye ne-ONU

    I-EPON, inethiwekhi ye-broadband ye-GPON kanye nokuhlolwa kokuhlanganiswa kwenethiwekhi kathathu kwe-OLT, ODN, kanye ne-ONU

    I-EPON(Inethiwekhi ye-Ethernet Passive Optical) Inethiwekhi ye-Ethernet passive optical iwubuchwepheshe be-PON obusekelwe ku-Ethernet. Yamukela isakhiwo se-point to multipoint kanye nokudluliselwa kwe-fiber optic passive, okunikeza izinsizakalo eziningi nge-Ethernet. Ubuchwepheshe be-EPON bubekwe ezingeni elifanele yiqembu elisebenzayo le-IEEE802.3 EFM. NgoJuni 2004, iqembu elisebenzayo le-IEEE802.3EFM lakhipha i-EPON stan...
    Funda kabanzi
  • Ukuhlaziywa kwezinzuzo ze-WiMAX ekufinyeleleni i-IPTV

    Ukuhlaziywa kwezinzuzo ze-WiMAX ekufinyeleleni i-IPTV

    Selokhu i-IPTV yangena emakethe ngo-1999, izinga lokukhula liye lashesha kancane kancane. Kulindeleke ukuthi abasebenzisi be-IPTV bomhlaba wonke bazofinyelela ngaphezu kwezigidi ezingama-26 ngo-2008, kanti izinga lokukhula lonyaka elihlanganisiwe labasebenzisi be-IPTV eShayina kusukela ngo-2003 kuya ku-2008 lizofinyelela ku-245%. Ngokusho kocwaningo, ikhilomitha lokugcina lokufinyelela i-IPTV livame ukusetshenziswa kwimodi yokufinyelela ikhebula le-DSL, ngokuvinjelwa...
    Funda kabanzi
  • I-DCI Ukwakhiwa Okujwayelekile kanye Nochungechunge Lwezimboni

    I-DCI Ukwakhiwa Okujwayelekile kanye Nochungechunge Lwezimboni

    Muva nje, ngenxa yentuthuko yobuchwepheshe be-AI eNyakatho Melika, isidingo sokuxhumana phakathi kwama-node enethiwekhi yezibalo sikhule kakhulu, kanti ubuchwepheshe be-DCI obuxhumene nemikhiqizo ehlobene budonsele ukunaka emakethe, ikakhulukazi emakethe yezimali. I-DCI (Data Center Interconnect, noma i-DCI ngamafuphi), noma iData Center In...
    Funda kabanzi
  • Ama-combs e-optical frequency kanye ne-optical transmission?

    Ama-combs e-optical frequency kanye ne-optical transmission?

    Njengoba sazi, kusukela ngawo-1990, ubuchwepheshe be-WDM WDM busetshenziswa ekuxhumaneni kwe-fibre-optic okuhamba isikhathi eside okungamakhilomitha angamakhulu noma ngisho nezinkulungwane. Ezifundeni eziningi zezwe, ingqalasizinda ye-fibre iyimpahla yayo ebiza kakhulu, kuyilapho izindleko zezingxenye ze-transceiver ziphansi kakhulu. Kodwa-ke, ngokuqhuma kwamanani edatha kumanethiwekhi afana ne-5G, ubuchwepheshe be-WDM buya ngokuya bubaluleke kakhulu...
    Funda kabanzi
  • Yiziphi izidingo ezikhethekile zamakhebula e-Profinet?

    Yiziphi izidingo ezikhethekile zamakhebula e-Profinet?

    I-Profinet iyiphrothokholi yokuxhumana kwezimboni esekelwe ku-Ethernet, esetshenziswa kabanzi ezinhlelweni zokulawula ezenzakalelayo, izidingo ezikhethekile zekhebula le-Profinet zigxile kakhulu ezicini zomzimba, ukusebenza kukagesi, ukuzivumelanisa nezimo kwemvelo kanye nezidingo zokufaka. Lesi sihloko sizogxila kukhebula le-Profinet ukuze kuhlaziywe ngokuningiliziwe. I. Izici Zomzimba 1, uhlobo lwekhebula Elivikelwe Elisontekile...
    Funda kabanzi
  • Ukuhlaziywa Okuningiliziwe Kwekhebula Le-Fiber Optic Lemodi Eyodwa (i-SMF)

    Ukuhlaziywa Okuningiliziwe Kwekhebula Le-Fiber Optic Lemodi Eyodwa (i-SMF)

    Ikhebula le-Single-Mode Fiber (SMF) liwubuchwepheshe obubalulekile ohlelweni lokuxhumana lwe-fiber optic, elithatha indawo engenakuphikwa ebangeni elide kanye nokudluliselwa kwedatha ngesivinini esikhulu ngokusebenza kwalo okuhle kakhulu. Lesi sihloko sizokwethula isakhiwo, imininingwane yobuchwepheshe, izimo zohlelo lokusebenza kanye nesimo semakethe yekhebula le-Single-Mode Fiber ngokuningiliziwe. Isakhiwo sekhebula le-fiber optic le-mode eyodwa...
    Funda kabanzi