Rongorongo

Ina teitei ake te kaha tuku o te hongere tinana i te hiahia o te tohu kotahi, ka taea te tiritahi te hongere e nga tohu maha. Hei tauira, ko te raina pouaka o te punaha waea he mano nga tohu ka tukuna ki te muka whatu kotahi. Ko te Multiplexing te hangarau e sol...

1) Te Waehere AMI Ko te ingoa katoa o te waehere AMI (Alternative Mark Inversion) ko te tohu tohu hurihuri. karekau) ka noho tonu. Hei tauira: Waehere Karere: 0 1 1 0 0 0 0 0 0 0 1 1 0 0 1 1… Waehere AMI: 0 -1 +1 0 0 0 0 0 0 0 -1 +1 0 0 -1 +1… Te ahua ngaru e hāngai ana ki te waehere AMI ko ...

Ina tukuna e tatou he tohu, ahakoa he tohu whatu, he tohu hiko, he tohu ahokore ranei, mena ka tukuna tika, ka ngawari te raruraru o te tohu e te haruru, he uaua ki te whiwhi korero tika i te pito whiwhi. I roto i te tikanga ki te whakapai ake i te kaha anti-whakararuraru...

Ko nga ahuatanga taketake o te whakarereketanga mamati a-rua ko: Te patuhi amplitude rua (2ASK)—te hurihanga kaha o te tohu kawe; Te huringa auau rua (2FSK)—te huringa auau o te tohu kawe; Waahanga-a-rua whakaneke (2PSK)—whakarereketanga o te tohu kawe. Wāhanga rerekētanga neke kī...

Ko te punaha PON e whakamahi ana i te hangarau wa-waahanga maha i roto i te ahunga uplink, a ka tukuna e te ONU nga raraunga ki te ahunga uplink kia rite ki te tohu wa i tohaina e te OLT. I te wa e tuku rama ana te ONU me te kore e tohu tohu wa, ka taupatupatu ki nga tohu tuku o etahi atu i runga i...

Na te whakawhanaketanga o nga punaha whakawhitiwhiti korero me te tawhiti roa, te kaha nui, me te tere tere, ina koa ka huri te reiti ngaru kotahi mai i te 40g ki te 100g, tae atu ki te super 100g, te whakamararatanga chromatic, nga paanga kore, te whakamararatanga aratau polarization, me etahi atu paanga tuku i roto. ..