- Ngomlawuli / 25 Sep 22 /0Amazwana
Izimiso Zobuchwepheshe Eziyisisekelo ze-MIMO
Kusukela ngo-802.11n, ubuchwepheshe be-MIMO buye basetshenziswa kule mithetho yomthetho futhi buye bathuthukisa kakhulu izinga lokudlulisela okungenantambo.Ngokuqondile, indlela yokufeza ukuthuthukiswa kobuchwepheshe obuphezulu.Manje ake sibhekisise ubuchwepheshe be-MIMO.Ngokuqhubeka kobuchwepheshe bokuxhumana obungenawaya, mor...Funda kabanzi
- Ngu Admin / 23 Sep 22 /0Amazwana
Ukuhlukaniswa Kwezishintshi
Kunezinhlobo eziningi zokushintshwa emakethe, kodwa futhi kukhona umehluko ohlukile wokusebenza, futhi izici eziyinhloko zihlukile.Ingahlukaniswa ngokomqondo obanzi nesikali sohlelo lokusebenza: 1) Okokuqala, ngomqondo obanzi, ukushintshwa kwenethiwekhi kungahlukaniswa ngezigaba ezimbili...Funda kabanzi
- Ngu Admin / 22 Sep 22 /0Amazwana
I-Direct Sequence Spread Spectrum (DSSS) Ukuxhumana – Isimiso Sokuxhumana
Isimiso: Isimiso se-Direct Sequence Spread Spectrum system silula kakhulu.Isibonelo, uchungechunge lolwazi oluzothunyelwa lunwetshwa lube yibhendi yefrikhwensi ebanzi kakhulu ngekhodi ye-PN.Ekupheleni kokwamukela, ulwazi oluthunyelwe lubuyiswa ngokuhlobanisa isiginali ye-spectrum yokusabalalisa ne ...Funda kabanzi
- Ngu Admin / 21 Sep 22 /0Amazwana
Isingeniso se-Error Vector Magnitude (EVM)
I-EVM: isifinyezo se-Error Vector Magnitude, okusho ubukhulu be-vector yephutha.Ukudluliswa kwebhendi yesignali yedijithali ukulungisa isiginali ye-baseband ekugcineni kokuthumela, ukuyithumela emugqeni ukuze idluliselwe, bese uyehlisa ekugcineni kokwamukela ukuze kubuyiselwe i-baseband yangempela...Funda kabanzi
- Ngomlawuli / 20 Sep 22 /0Amazwana
Imodi Yokudluliswa Kwedatha kanye Nomgomo Wokusebenza
Umgomo wokusebenza: Ngemuva kokuthi noma iyiphi i-node ye-switch ithola umyalo wokudlulisa idatha, isesha ngokushesha ithebula lekheli eligcinwe kumemori ukuze iqinisekise indawo yokuxhuma yekhadi lenethiwekhi nekheli le-MAC bese idlulisela idatha endaweni.Uma indawo ehambisanayo ingu...Funda kabanzi - Ngu Admin / 19 Sep 22 /0Amazwana
Uwehlulela Kanjani Ikhwalithi Yama-Optical Module
Amamojula ahlukahlukene ezinkampani zangaphandle emakethe anezinzuzo ezinkulu ezindlekweni uma kuqhathaniswa namamojula okuqala optical, angaxazulula ngokuphumelelayo inkinga yezindleko eziphezulu zokuthunyelwa kwamamojula optical.Noma kunjalo, abanye abantu basakhathazeka ngekhwalithi yamamojula ahambisanayo optical.I-HDV...Funda kabanzi
