- los ntawm Admin / 23 Oct 22 /0Cov lus pom
Txheej txheem cej luam ntawm WLAN
WLAN tuaj yeem txhais tau ob qho tib si dav thiab qhov nqaim: Los ntawm qhov kev xav ntawm micro, peb txhais thiab txheeb xyuas WLAN hauv ob qho tib si dav thiab nqaim. Hauv kev txiav txim siab dav dav, WLAN yog lub network tsim los ntawm kev hloov qee qhov lossis tag nrho cov xov tooj ntawm LAN cov xov xwm xa nrog xov tooj cua, xws li infrared, l ...Nyeem ntxiv
- los ntawm Admin / 22 Oct 22 /0Cov lus pom
Constellation hauv Digital Modulation
Constellation yog ib lub tswv yim yooj yim hauv digital modulation. Thaum peb xa cov cim digital, peb feem ntau tsis xa 0 lossis 1 ncaj qha, tab sis ua ntej tsim ib pawg ntawm 0 thiab 1 cov cim (ntsis) raws li ib lossis ob peb. Piv txwv li, txhua ob lub khoom tsim ib pab pawg, uas yog, 00, 01, 10, thiab 11. Muaj plaub lub xeev ...Nyeem ntxiv - los ntawm Admin / 21 Oct 22 /0Cov lus pom
Cov Lus Qhia Kom Paub Txog Cov Ntaub Ntawv Sib Txuas Lus thiab Computer Networks
Txhawm rau nkag siab cov ntaub ntawv sib txuas lus hauv lub network yog qhov nyuaj. Hauv tsab xov xwm no kuv yuav yooj yim qhia seb ob lub khoos phis tawj sib txuas li cas, hloov pauv thiab tau txais cov ntaub ntawv tseem ceeb nrog Tcp / IP tsib txheej txheej txheem. Data Communication yog dab tsi? Lo lus "kev sib txuas lus ntaub ntawv" yog ...Nyeem ntxiv
- los ntawm Admin / 19 Oct 22 /0Cov lus pom
Qhov txawv ntawm Managed Vs Unmanaged hloov thiab qhov twg yuav?
Cov keyboards tswj tau zoo dua rau cov tsis muaj kev tswj hwm ntawm kev ua haujlwm, tab sis lawv yuav tsum muaj kev txawj ntse ntawm tus thawj coj lossis tus kws tshaj lij kom paub txog lawv lub peev xwm. Kev tswj xyuas ntau dua ntawm cov tes hauj lwm thiab lawv cov ntaub ntawv thav ntawv yog ua tau los ntawm kev siv qhov hloov pauv. Ntawm qhov tod tes, ...Nyeem ntxiv
- los ntawm Admin / 13 Oct 22 /0Cov lus pom
Dab tsi yog lub teeb nthwv dej hauv cov ntsiab lus [Piav]
Lub teeb tsis yog hluav taws xob hluav taws xob tsim los ntawm cov hluav taws xob hauv cov txheej txheem ntawm atomic motion. Kev txav ntawm electrons hauv atoms ntawm ntau yam khoom sib txawv, yog li lub teeb nthwv dej lawv emit kuj txawv. Spectrum yog ib tug qauv ntawm lub teeb monochromatic sib cais los ntawm ib tug dispersion system (...Nyeem ntxiv![Dab tsi yog lub teeb nthwv dej hauv cov ntsiab lus [Piav]](//cdnus.globalso.com/hdv-fiber/what-is-Light-Wave.jpg)
- los ntawm Admin / 12 Oct 22 /0Cov lus pom
Qhov zoo thiab cov qauv ntawm Ethernet
Lub tswv yim piav qhia: Ethernet yog tus qauv kev sib txuas lus ntau tshaj plaws uas tau txais los ntawm LAN uas twb muaj lawm. Ethernet network siv CSMA/CD (Carrier Sense Multiple Access and Conflict Detection) technologies. Ethernet dominates LAN technologies: 1. Tus nqi qis (tsawg dua 100 Ethernet network tsheb ...Nyeem ntxiv
![Dab tsi yog lub teeb nthwv dej hauv cov ntsiab lus [Piav]](http://cdnus.globalso.com/hdv-fiber/what-is-Light-Wave.jpg)
