- Ngu Admin / 25 Sep 22 /0Amagqabantshintshi
Imigaqo yobuGcisa eSisiseko ye-MIMO
Ukusukela kwi-802.11n, itekhnoloji ye-MIMO isetyenzisiwe kule protocol kwaye iphucule kakhulu izinga lokuhanjiswa kwamacingo.Ngokukodwa, indlela yokuphucula iteknoloji ephezulu.Ngoku makhe sijonge ngakumbi kwitekhnoloji ye-MIMO.Ngenkqubela phambili yetekhnoloji yonxibelelwano engenazingcingo, mor...Funda ngokugqithisileyo
- Ngu Admin / 23 Sep 22 /0Amagqabantshintshi
Ukuhlelwa kweeTshintsho
Kukho iintlobo ezininzi zokutshintsha kwiimarike, kodwa kukho ukungafani okusebenzayo okuhlukeneyo, kwaye iimpawu eziphambili zihluke.Inokwahlulwa ngokwengqiqo ebanzi kunye nomlinganiselo wesicelo: 1) Okokuqala, kwingqiqo ebanzi, ukutshintshwa kwenethiwekhi kunokwahlulwa kumacandelo amabini...Funda ngokugqithisileyo
- Ngu Admin / 22 Sep 22 /0Amagqabantshintshi
Unxibelelwano oluthe ngqo oluSasazwayo (i-DSSS) – uMmiselo woNxibelelwano
Umgaqo-siseko: Umgaqo wenkqubo ye-Spectrum ye-Direct Sequence Spread Spectrum ilula kakhulu.Umzekelo, umtya wolwazi oza kuthunyelwa uyandiswa ukuya kwibhendi ebanzi kakhulu ngekhowudi ye-PN.Kwisiphelo sokufumana, ulwazi oluthunyelweyo lufunyanwa ngokunxibelelanisa isiginali yesspectrum kunye ...Funda ngokugqithisileyo
- Ngu Admin / 21 Sep 22 /0Amagqabantshintshi
Intshayelelo yoBukhulu beVector yeMposiso (EVM)
I-EVM: isifinyezo soBukhulu beVektha yeMposiso, nto leyo ithetha ukuba imposiso ye-amplitude yevektha.Ukuhanjiswa kwebhendi yesiginali yedijithali kukumodareyitha isiginali ye-baseband ekupheleni kokuthumela, ukuyithumela kumgca wokuhanjiswa, kwaye emva koko uyithobe ekupheleni kokufumana kwakhona isiseko sokuqala...Funda ngokugqithisileyo
- Ngu Admin / 20 Sep 22 /0Amagqabantshintshi
Imo yoThutho lweDatha kunye noMgaqo wokuSebenza
Umgaqo osebenzayo: Emva kokuba nayiphi na i-node yokutshintsha ifumana umyalelo wokuhanjiswa kwedatha, ikhangela ngokukhawuleza itafile yedilesi egcinwe kwimemori ukuze iqinisekise indawo yokudibanisa yekhadi lenethiwekhi kunye nedilesi ye-MAC kwaye emva koko idlulisele idatha kwi-node.Ukuba indawo ehambelana nayo ...Funda ngokugqithisileyo - Ngu Admin / 19 Sep 22 /0Amagqabantshintshi
Ungawugweba njani uMgangatho weeModyuli zeOptical
Iimodyuli ezahlukeneyo ze-third party optical kwimarike zineenzuzo ezinkulu kwiindleko xa kuthelekiswa neemodyuli zangaphambili ze-optical, ezinokuthi zicombulule ngokufanelekileyo ingxaki yeendleko eziphezulu zokuthunyelwa kweemodyuli ze-optical.Nangona kunjalo, abanye abantu basaxhalabile malunga nomgangatho weemodyuli ezihambelanayo zamehlo.HDV...Funda ngokugqithisileyo
