N'isiokwu a, m ga-ekwu maka nkwurịta okwu System Model na nkọwa gụnyere 5 akụkụ ha, (1) Source codeing na decoding, (2) Encoding na decoding nke ọwa, (3) Encryption na decryption, (4) Digital modulation na demodulation, (5) Mmekọrịta.Ka anyị banye miri emi…
Usoro Nkwukọrịta Analog
Ụdị nkwurịta okwu dijitalụ
(1) Ndozi na ngbanwe isi mmalite:
Ọrụ abụọ bụ isi: otu bụ ịkwalite ịdị irè nke nnyefe ozi, ya bụ, ibelata ọnụ ọgụgụ nke akara iji belata ọnụego akara site na teknụzụ mkpakọ ụfọdụ.Nke abụọ bụ imecha ntụgharị analog/dijitalụ (A/D).Ya bụ, mgbe isi mmalite ozi na-enye mgbaama analọgụ, isi mmalite koodu na-atụgharị ya ka ọ bụrụ akara dijitalụ iji ghọta nnyefe dijitalụ nke mgbama analog.
(2) Ntinye na ngbanwe nke ọwa:
Ọrụ: Iji rụọ njikwa njehie.Mkpọtụ na mperi ndị ọzọ nwere ike imetụta akara dijitalụ n'oge nnyefe.Iji belata mmejọ, ihe ngbanwe ọwa na akara ozi ebugharị na-agbakwunye ihe nchebe (akara nleba anya) dị ka iwu ụfọdụ siri dị iji mepụta ihe a na-akpọ "ntuziaka mgbochi nnyonye anya."Decoder ọwa na njedebe njedebe na-enweta dabere na iwu ndị na-emegide ndị na njedebe izipu.Ọ na-achọta njehie ma ọ bụ dozie ha, nke na-eme ka usoro nkwurịta okwu bụrụ nke a pụrụ ịdabere na ya.
(3) ezoro ezo na mwepu:
Iji hụ na nchekwa nke ozi ebutere, a na-akpachapụ usoro dijitalụ a na-ebufe n'ụzọ artificial — ya bụ, etinyere paswọọdụ.A na-akpọ usoro a nzuzo.Iweghachi ozi izizi bụ mwepu.
(4) Mgbanwe dijitalụ na mbelata:
Mgbanwe dijitalụ: A na-atụgharị ụdịdị dị iche iche nke mgbama baseband dijitalụ gaa n'ogo dị elu iji mepụta mgbama bandwit dabara adaba maka nnyefe ọwa.N'ọgwụgwụ nnata, enwere ike iweghachi akara ngosi baseband dijitalụ site na iji demodulation na-ejikọta ọnụ ma ọ bụ nhụsianya na-enweghị njikọ.
(5) Mmekọrịta:
Mmekọrịta: Ọ bụ idobe akara ngosi na nsọtụ abụọ nke transceiver mekọrịta n'oge, ọ bụkwa ihe dị mkpa iji hụ na arụ ọrụ n'usoro, ziri ezi na ntụkwasị obi nke sistemu nkwukọrịta dijitalụ.
Nke a bụ isiokwu na "Nkwurịta okwu System Model" wetara gị Shenzhen HDV phoelectron Technology Co., Ltd. olileanya na isiokwu a nwere ike inyere gị aka dịkwuo gị ihe ọmụma.E wezụga nke a isiokwu ma ọ bụrụ na ị na-achọ ezigbo ngwa anya eriri nkwurịta okwu akụrụngwa emeputa ụlọ ọrụ ị nwere ike tụleegbasara anyị.
Shenzhen HDV phoelectron Technology Co., Ltd.bụ onye na-emepụta ngwaahịa nkwukọrịta.Ka ọ dị ugbu a, akụrụngwa emepụtara na-ekpuchiUsoro ONU, ngwa anya modul usoro, Usoro OLT, nausoro transceiver.Anyị nwere ike ịnye ọrụ ahaziri maka ọnọdụ dị iche iche.nke enwere ike iji dị iche iche Nye ọrụ dị elu kwekọrọ ekwekọ dị ka mkpa nke ndị ọrụ si dị.A na-anabata gịndụmọdụ.