-
PON tiv thaiv kev hloov pauv yog dab tsi?
Nrog rau kev nce ntxiv ntawm cov kev pabcuam uas Passive Optical Networks (PON) nqa, nws tau dhau los ua qhov tseem ceeb kom rov qab tau cov kev pabcuam sai sai tom qab cov kab tsis ua haujlwm. PON tiv thaiv kev hloov pauv thev naus laus zis, ua ib qho kev daws teeb meem tseem ceeb los xyuas kom meej tias kev lag luam txuas ntxiv mus, txhim kho kev ntseeg siab ntawm lub network los ntawm kev txo lub sijhawm cuam tshuam network kom tsawg dua 50ms los ntawm cov txheej txheem ntse redundancy. Lub ntsiab lus ntawm ...Nyeem ntxiv -
Txoj kev txwv Shannon rau kev xa xov hluav taws xob yog dab tsi?
Hauv kev nrhiav kom muaj peev xwm siab dua thiab qhov ntev dua ntawm kev sib txuas lus hauv cov tshuab sib txuas lus niaj hnub no, suab nrov, ua qhov kev txwv tseem ceeb ntawm lub cev, yeej ib txwm txwv tsis pub txhim kho kev ua tau zoo. Hauv lub tshuab EDFA erbium-doped fiber amplifier ib txwm muaj, txhua qhov kev sib kis optical tsim kwv yees li 0.1dB ntawm cov suab nrov spontaneous emission (ASE), uas...Nyeem ntxiv -
Kev Sib Txuas Lus Multicore Fiber (MCF)
Nrog rau kev loj hlob sai ntawm kev txawj ntse ntawm cov cuab yeej siv thev naus laus zis (AI), qhov kev thov rau kev ua cov ntaub ntawv thiab kev sib txuas lus tau mus txog qhov ntsuas tsis tau muaj dua. Tshwj xeeb tshaj yog nyob rau hauv cov teb xws li kev tshuaj xyuas cov ntaub ntawv loj, kev kawm tob, thiab kev suav huab, cov kab ke sib txuas lus muaj cov kev xav tau siab dua rau kev kub ceev thiab bandwidth siab. Ib txwm muaj ib hom fiber...Nyeem ntxiv -
Cov laj thawj tseem ceeb ntawm kev ua tsis tiav ntawm cov kab hluav taws xob fiber optic
Yuav kom ntseeg tau tias cov yam ntxwv ntawm kev siv cov teeb liab kis tau deb thiab qis, cov kab hluav taws xob fiber optic yuav tsum ua tau raws li qee qhov xwm txheej ib puag ncig. Txhua qhov kev khoov me me lossis kev ua qias tuaj ntawm cov kab hluav taws xob optical tuaj yeem ua rau cov teeb liab optical tsis zoo thiab txawm tias cuam tshuam kev sib txuas lus. 1. Qhov ntev ntawm cov kab hluav taws xob fiber optic routing Vim yog cov yam ntxwv ntawm lub cev...Nyeem ntxiv -
Kev tshuaj xyuas tob txog cov qauv ntawm cov xov hlau fiber optic (FOC)
Fiber Optic Cable (FOC) yog ib feem tseem ceeb ntawm kev sib txuas lus niaj hnub no, thiab nws nyob hauv txoj haujlwm tseem ceeb hauv kev xa cov ntaub ntawv nrog nws cov yam ntxwv ntawm kev kub ceev, bandwidth siab thiab muaj peev xwm tiv thaiv kev cuam tshuam. Tsab xov xwm no yuav qhia txog cov qauv ntawm fiber optic cable kom meej kom cov nyeem ntawv tuaj yeem nkag siab tob dua txog nws. 1. Cov khoom xyaw yooj yim ntawm...Nyeem ntxiv -
5G ua rau kev txhim kho network hauv tsev: lub sijhawm tshiab ntawm kev ceev, kev ruaj khov thiab kev txawj ntse
Lub Is Taws Nem tau dhau los ua lub hauv paus ntawm tsev neeg lub neej, txawm li cas los xij, cov tes hauj lwm hauv tsev ib txwm muaj tseem ntsib ntau yam teeb meem: bandwidth tsawg, kev sib txuas ntawm cov khoom siv tsis ruaj khov, kev nkag mus rau qhov chaw deb nyuaj, thiab kev paub txog tsev ntse tsis txaus, thiab lwm yam. Kev tshwm sim ntawm 5G tab tom hloov pauv qhov toj roob hauv pes ntawm lub network hauv tsev mus rau lub sijhawm ua haujlwm zoo dua, ntse dua, thiab ruaj khov dua. 5G tuaj yeem txhim kho li cas ...Nyeem ntxiv -
Koj paub ntau npaum li cas txog EPON thiab GPON?
Nyob rau lub caij nyoog no ntawm kev loj hlob sai ntawm internet, cov thev naus laus zis fiber optic tau nkag mus rau hauv txhua yam ntawm peb lub neej. Kev sib txuas network ruaj khov thiab ceev ceev yog qhov tseem ceeb txawm tias koj nyiam saib TV qhia, ua si hauv tsev, lossis ua ntau yam lag luam hauv lub tuam txhab. Ntawm ntau cov thev naus laus zis rau kev nkag mus rau fiber optic, EPON thiab GPON yog qhov tsis ntseeg ...Nyeem ntxiv -
Siv cov thev naus laus zis fiber optic sensing los txhim kho kev saib xyuas lub zog cua
Thaum lub ntiaj teb hloov mus rau lub zog rov ua dua tshiab, cov chaw ua cua tau los ua ib feem tseem ceeb ntawm peb cov khoom siv hluav taws xob. Kev ua kom ntseeg tau tias qhov kev ntseeg tau thiab kev ua haujlwm zoo ntawm cov kev teeb tsa no yog qhov tseem ceeb, thiab cov thev naus laus zis fiber optic sensing ua lub luag haujlwm tseem ceeb hauv kev ua tiav lub hom phiaj no. Cov thev naus laus zis fiber optic sensing siv cov khoom tshwj xeeb ntawm cov fiber optical los ntes cov kev hloov pauv ntawm qhov kub thiab txias, kev ntxhov siab, thiab acoustic ...Nyeem ntxiv -
Kev sib piv ntawm cov fiber optic receivers thiab optical module receivers
Cov Ntsiab Lus 1. Kev Taw Qhia 2. Cov txiaj ntsig ntawm fiber optic transceiver thiab optic module 3. Xaus Lus Kev Taw Qhia Fiber optic receivers thiab optical module receivers yog cov khoom siv tseem ceeb hauv kev sib txuas lus optical, tab sis lawv txawv hauv kev ua haujlwm, cov xwm txheej thov thiab cov yam ntxwv. 1. Fiber optic transceiver: Ib qho fiber optic transcei...Nyeem ntxiv -
Lub luag haujlwm tseem ceeb ntawm kev sim dispersion hauv kev txheeb xyuas fiber
Txawm yog txuas cov zej zog lossis hla cov teb chaws loj, qhov ceev thiab qhov tseeb yog ob qho tseem ceeb uas yuav tsum tau ua rau cov tes hauj lwm fiber optic uas nqa cov kev sib txuas lus tseem ceeb. Cov neeg siv xav tau cov kev sib txuas FTTH sai dua thiab 5G mobile kev sib txuas kom ua tiav telemedicine, autonomous vehicle, video conferencing thiab lwm yam kev siv bandwidth intensive. Nrog rau kev tshwm sim ntawm ntau lub chaw khaws ntaub ntawv thiab kev ceev ceev ...Nyeem ntxiv -
Kev tsom xam ntawm LMR coaxial cable series ib qho los ntawm ib qho
Yog tias koj tau siv RF (xov tooj cua zaus) kev sib txuas lus, tes hauj lwm cellular, lossis antenna systems, tej zaum koj yuav ntsib lub sij hawm LMR cable. Tab sis nws yog dab tsi tiag tiag thiab vim li cas nws thiaj siv dav heev? Hauv tsab xov xwm no, peb yuav tshawb nrhiav seb LMR cable yog dab tsi, nws cov yam ntxwv tseem ceeb, thiab vim li cas nws thiaj yog qhov kev xaiv zoo tshaj plaws rau RF daim ntawv thov, thiab teb cov lus nug 'LMR cable yog dab tsi?'. Hauv qab...Nyeem ntxiv -
Qhov sib txawv ntawm cov fiber ntau tsis pom thiab cov fiber ntau ib txwm muaj
Hauv kev sib txuas lus thiab kev xa cov ntaub ntawv, thev naus laus zis fiber optic tau hloov pauv txoj hauv kev uas peb txuas thiab sib txuas lus. Ntawm ntau hom fiber ntau optical, ob pawg tseem ceeb tau tshwm sim: fiber ntau optical thiab fiber ntau optical tsis pom. Thaum lub hom phiaj tseem ceeb ntawm ob qho tib si yog xa cov ntaub ntawv los ntawm lub teeb, lawv cov qauv, kev siv, thiab pe...Nyeem ntxiv
