Hanyoyin asali na ƙirar dijital na binary sune:Binary amplitude keying (2ASK) - girman canjin siginar mai ɗauka; Binary mitar motsi keying (2FSK) — sauyin mitar siginar mai ɗauka; Binary Phase Shift keying (2PSK) — canjin lokaci na siginar mai ɗauka. An yi maɓallin maɓalli na canzawa (DPSK) saboda yanayin tsarin 2PSK bai da tabbas.
2ASK da 2PSK duka suna buƙatar bandwidth sau biyu kamar ƙimar alamar, yayin da 2FSK yana buƙatar ƙarin bandwidth fiye da 2ASK da 2PSK.
Matsakaicin kuskuren bit na nau'ikan tsarin daidaitawa na dijital na binary ya dogara da siginar-zuwa-amo rabo r na demodulator. Dangane da karar farin Gaussian anti-additive, 2PSK mai daidaituwa yana da mafi kyawun aiki, sannan 2FSK ya biyo baya, kuma 2ASK shine mafi muni.
Tambaya tana ɗaya daga cikin farkon hanyoyin daidaitawa. Ribobin sa shine cewa yana amfani da bandeji mai ƙarfi kuma yana da kayan aiki masu sauƙi. Rashin lafiyarsa shine cewa ba haka baneaiki da kyau a kan amo kuma yana kula da canje-canje a cikin halayen tashar, wanda ke sa ya zama da wuya a sami mai yanke shawara don yin aiki a cikin mafi kyawun matakin yanke shawara.
FSK hanya ce ta daidaitawa da ba makawa a cikin sadarwar dijital. Amfaninsa shi ne cewa yana da karfin tsangwama mai karfi kuma ba shi da tasiri ta hanyar sauya sigogi na tashar, don haka FSK ya dace da tashoshi masu raguwa; Rashin hasara shine cewa rukunin da aka mamaye yana da faɗi, musamman don mf-sk, kuma amfani da band ɗin yana da ƙasa. A halin yanzu, ana amfani da tsarin FM galibi don watsa bayanai na matsakaici da ƙananan sauri.
PSK ko DPSK hanya ce ta daidaitawa tare da ingantaccen watsawa. Ƙarfinsa na hana surutu yana da ƙarfi fiye da na TAMBAYA da FSK, kuma sau da yawa canjin halayen tashar ba shi da tasiri. Saboda haka, an yi amfani da shi sosai wajen watsa bayanai masu tsayi da matsakaici. Cikakkiyar canjin lokaci (PSK) tana da matsalar rashin daidaituwar lokaci mai ɗaukar hoto a cikin daidaituwar yanayin lalacewa, wanda ba kasafai ake amfani da shi ba a watsa kai tsaye a aikace. Ana amfani da MDPSK sosai.
Abin da ke sama shine labarin "Binary digital modulation," wanda Shenzhen HDV Photoelectric Technology Co., Ltd ya kawo muku. Kayayyakin sadarwar da kamfanin ke samarwa:
Rukunin Module: na gani fiber modules, Ethernet modules, na gani fiber transceiver modules, na gani fiber damar kayayyaki, SSFP Optical modules, kumaSFP Optical fibers, da dai sauransu.
ONUcategory: EPON ONU, AC ONU, fiber optic ONU, CATV ONU, GPON ONU, XPON ONU, da dai sauransu.
OLTaji: Canji a farashin OLT, Farashin GPON OLT, Farashin EPON OLT, sadarwaOLT, da dai sauransu.
Samfuran samfurin da ke sama na iya ba da goyan baya ga yanayin cibiyar sadarwa daban-daban. Ƙwararrun ƙwararrun R & D mai ƙarfi na iya taimaka wa abokan ciniki tare da al'amurran fasaha, kuma ƙungiyar kasuwanci mai tunani da ƙwararrun za su iya taimaka wa abokan ciniki su sami ayyuka masu kyau a lokacin shawarwari da kuma bayan aikin samarwa. Barka da zuwatuntube muga kowane irin tambaya.
