- Ngu Admin / 29 Sep 22 /0Amagqabantshintshi
Yintoni utshintsho lwe-Ethernet kwaye lusebenza njani?
Ngophuhliso olukhawulezayo lweekhompyuter kunye nethekhnoloji yokunxibelelana kwabo (eyaziwa nangokuthi "iteknoloji yenethiwekhi"), i-Ethernet ibe yinethiwekhi yekhompyuter enemigangatho emibini enenqanaba eliphezulu lokungena ukuza kuthi ga ngoku. Inxalenye ephambili ye-Ethernet sisitshixo se-Ethernet. Incwadi kunye...Funda ngokugqithisileyo
- Ngu Admin / 28 Sep 22 /0Amagqabantshintshi
Yintoni iVCSEL laser?
I-VCSEL, ebizwa ngokuba yi-Vertical Cavity Surface Emitting Laser ngokupheleleyo, luhlobo lwe-laser semiconductor. Okwangoku, uninzi lwe-VCSEL lusekwe kwii-semiconductors ze-GaAs, kwaye i-wavelength ekhutshwayo ikakhulu kwi-infrared wave band. Ngo-1977, uNjingalwazi u-Ika Kenichi weYunivesithi yaseTokyo yeTekhnoloji ufir...Funda ngokugqithisileyo
- Ngu Admin / 27 Sep 22 /0Amagqabantshintshi
Ukuhlelwa Kwenethiwekhi ye-PAN, i-LAN, i-MAN kunye ne-WAN
Inethiwekhi ingahlelwa ngokwe-LAN, LAN, MAN, kunye ne-WAN. Iintsingiselo ezithe ngqo zezi zibizo zicacisiwe kwaye zithelekiswe apha ngezantsi. (1) Uthungelwano lweNdawo yoBuntu (PAN) Uthungelwano olunjalo lunokwenza unxibelelwano lomnatha olumgama omfutshane phakathi kwezixhobo zombane eziphathwayo kunye nezixhobo zonxibelelwano, Le cov...Funda ngokugqithisileyo
- Ngu Admin / 26 Sep 22 /0Amagqabantshintshi
Yintoni iSalathiso saMandla oMqondiso esifunyenweyo (RSSI) ngokweenkcukacha
I-RSSI sisishunqulelo seSalathiso soMqondiso oFunyiweyo waMandla. Uphawu lwamandla omqondiso olufunyenweyo lubalwa ngokuthelekisa amaxabiso amabini; oko kukuthi, inokusetyenziswa ukumisela ukuba yomelele okanye ibuthathaka kangakanani na amandla omqondiso xa kuthelekiswa nolunye uphawu. Ifomula yokubala yeRSSI...Funda ngokugqithisileyo
- 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
