Muchinyorwa chino ndichataura nezve Kukurukurirana System Model mune zvakadzama zvinosanganisira yavo 5 zvikamu, (1) Source coding uye decoding, (2) Encoding uye decoding yemachaneli, (3) Encryption uye decryption, (4) Digital modulation uye demodulation, (5) Synchronization. Ngatinyure zvakadzika...
Analog Communication System Model
Digital Communication System Model
(1) Kunobva kukodha uye decoding:
Mabasa maviri akakosha: rimwe nderekuvandudza kushanda kwekufambiswa kwemashoko, ndiko kuti, kuderedza nhamba yezviratidzo kuderedza chiyero chezviratidzo kuburikidza neimwe tekinoroji yekumanikidza coding. Yechipiri ndeyekupedzisa analogue/digital (A/D) shanduko. Ndokunge, kana ruzivo rwunopa chiratidzo cheanalogue, sosi encoder inoishandura kuita chiratidzo chedhijitari kuti ione kutapurirana kwedhijitari yechiratidzo cheanalogue.
(2) Encoding uye decoding yemachaneli:
Basa: Kuita kudzora kukanganisa. Dhijitari masaini anogona kukanganiswa neruzha uye zvimwe zvikanganiso panguva yekufambisa. Kuti uderedze zvikanganiso, iyo chiteshi encoder uye inofambiswa zviratidzo zveruzivo zvinowedzera zvikamu zvekudzivirira (zviratidzo zvekutarisira) zvinoenderana nemimwe mitemo kugadzira iyo inonzi "anti-interference coding.". Iyo chiteshi decoder pamagumo ekugamuchira inodhirodha zvichibva pamitemo inopesana neiyo iri pamagumo ekutumira. Inowana zvikanganiso kana kuzvigadzirisa, izvo zvinoita kuti hurongwa hwekutaurirana huve hwakavimbika.
(3) Encryption uye decryption:
Kuti uve nechokwadi chekuchengetedzwa kweruzivo rwunofambiswa, iyo inofambiswa dhijitari inoteedzana inodzvanywa zvine hunyanzvi-kureva kuti, password inowedzerwa. Iyi nzira inonzi encryption. Kudzoreredza ruzivo rwekutanga ndiko decryption.
(4) Digital modulation uye demodulation:
Digital modulation: Iyo spectrum yedhijitari baseband siginecha inochinjirwa kune yakakwirira frequency kuti igadzire bhendi chiratidzo chakakodzera chiteshi kufambisa. Pakupera kwekugamuchira, iyo yedhijitari baseband siginecha inogona kudzoserwa uchishandisa ingave yakabatana demodulation kana isina-yakabatana demodulation.
(5) Kuwiriranisa:
Synchronization: Iko kuchengetedza zvikwangwani kumagumo ese eiyo transceiver yakawiriraniswa munguva, uye chinhu chinodiwa kuti uve nechokwadi chekurongeka, kwakaringana, uye kwakavimbika kushanda kwedhijitari yekutaurirana system.
Ichi ndicho chinyorwa che "Communication System Model" yakaunzwa kwauri neShenzhen HDV phoelectron Technology Co., Ltd. tariro iyi chinyorwa chinogona kukubatsira kuti uwedzere ruzivo rwako. Kunze kwechinyorwa ichi kana iwe uchitsvaga yakanaka optical fiber yekutaurirana michina yekugadzira kambani yaungafunganezvedu.
Shenzhen HDV phoelectron Technology Co., Ltd.inonyanya kugadzira zvigadzirwa zvekukurukurirana. Parizvino, midziyo inogadzirwa inovhara iyoONU series, Optical module series, OLT series,uyetransceiver series. Isu tinogona kupa masevhisi akagadziridzwa kune akasiyana mamiriro. iyo inogona kushandiswa kwakasiyana Ipa iyo inoenderana yemhando yepamusoro sevhisi zvinoenderana nezvinodiwa nevashandisi. Unogamuchirwaconsult.