- 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
- 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 ukubuyisela isiseko sokuqala...Funda ngokugqithisileyo
