Nyob rau hauv ib lub sijhawm ntawm kev siv tshuab satellite nce ntxiv, qhov tseeb uas feem ntau saib tsis tau yog tias ntau dua 99% ntawm cov ntaub ntawv thoob ntiaj teb kev khiav tsheb tsis yog kis los ntawm qhov chaw, tab sis los ntawm fiber ntau-optic cables faus tob rau hauv dej hiav txwv. Lub network ntawm submarine cables, hla ntau lab mais ntawm tag nrho, yog qhov tseeb digital bedrock txhawb lub ntiaj teb internet, kev lag luam nyiaj txiag, thiab kev sib txuas lus thoob ntiaj teb. Hauv qab no yog qhov tshwj xeeb txhawb nqa ntawm cov khoom siv hluav taws xob ua haujlwm siab.
1.From Telegraph rau Terabits: Lub Epic Evolution ntawm Submarine Cables
Keeb kwm ntawm submarine cables yog keeb kwm ntawm tib neeg lub siab xav txuas rau lub ntiaj teb, thiab tseem yog keeb kwm ntawm kev tsim kho tshiab hauv cov ntaub ntawv cable.
Nyob rau hauv 1850, thawj submarine telegraph cable tau ua tiav tiav txuas Dover, UK, thiab Calais, Fabkis. Nws cov tub ntxhais yog tooj liab hlau, insulated nrog ntuj roj hmab gutta-percha, cim thawj kauj ruam hauv daim ntawv thov cov ntaub ntawv cable.
Nyob rau hauv 1956, thawj transatlantic xov tooj cable (TAT-1) tau muab tso rau hauv kev pab cuam, ua tiav intercontinental suab kev sib txuas lus thiab tsa cov kev xav tau siab dua rau cov ntaub ntawv rwb thaiv tsev thiab cov ntaub ntawv sheathing.
Xyoo 1988, thawj qhov transatlantic fiber-optic cable (TAT-8) tau qhia, kos npe rau hauv kev sib txuas lus muaj peev xwm thiab ceev, thiab qhib tshooj rau tiam tshiab ntawm cov khoom siv cable thiab cov khoom thaiv dej.
Niaj hnub no, muaj ntau tshaj 400 submarine fiber-optic cables tsim ib tug intensive network txuas rau tag nrho cov teb chaws. Txhua qhov kev hloov pauv thev naus laus zis tau sib cais los ntawm kev hloov pauv hloov tshiab hauv cov ntaub ntawv cable thiab cov qauv tsim, tshwj xeeb tshaj yog kev tawg ntawm cov ntaub ntawv polymer thiab cov khoom sib txuas tshwj xeeb.
2. Ib qho Engineering Marvel: Cov Txheej Txheem Zoo thiab cov ntaub ntawv tseem ceeb ntawm cov kab hluav taws xob sib sib zog nqus
Niaj hnub nimno sib sib zog nqus-hlwb optical cable nyob deb ntawm ib qho yooj yim "hlau"; nws yog ntau txheej txheej txheej tsim los tiv thaiv huab cua puag ncig. Nws qhov tshwj xeeb kev ntseeg siab yog los ntawm kev tiv thaiv meej los ntawm txhua txheej ntawm cov ntaub ntawv tshwj xeeb cable.
Optical Fiber Core: Lub ntsiab tseem ceeb nqa cov teeb liab kis tau tus mob; nws purity txiav txim siab kis tau tus mob efficiency thiab muaj peev xwm.
Sealed Sheath thiab Dej Barrier: Sab nraum cov tub ntxhais muaj ntau txheej tiv thaiv zoo.Dej thaiv kab xev, Dej thaiv cov xov paj, thiab lwm yam dej-thaiv cov ntaub ntawv tsim ib tug nruj barrier, kom ntseeg tau tias txawm yog hais tias lub submarine cable yog puas nyob rau hauv lub siab heev ntawm lub hiav txwv siab, longitudinal nkag mus rau hauv dej yog tiv thaiv, cais qhov txhaum taw tes rau ib tug heev me me cheeb tsam. Qhov no yog cov khoom siv thev naus laus zis tseem ceeb rau kev ua kom lub neej ntev ntawm cable.
Rwb thaiv tsev thiab Sheath: Ua los ntawm cov rwb thaiv tsev tshwj xeeb thiab cov sheathing compounds xws li High-Density Polyethylene (HDPE). Cov kab txuas txuas no muab cov hluav taws xob zoo heev (kom tiv thaiv kom tsis txhob muaj hluav taws xob ntau tam sim no siv rau cov chaw taws teeb fais fab noj rau cov neeg rov ua dua), txhua yam muaj zog, thiab tiv thaiv corrosion, ua thawj kab ntawm kev tiv thaiv dej hiav txwv tshuaj corrosion thiab dej hiav txwv tob. HDPE sheathing compound yog cov khoom siv polymer sawv cev rau cov ntawv thov no.
Strength Armor Layer: Tsim los ntawm high-strength steel hlau, muab lub zog txhua yam tsim nyog rau lub submarine cable kom tiv taus huab cua sib sib zog nqus siab, dej hiav txwv tam sim no, thiab kev sib txhuam seabed.
Raws li tus kws tshaj lij ntawm cov khoom siv cable zoo, peb nkag siab tob txog qhov tseem ceeb ntawm kev xaiv txhua txheej ntawm cov khoom siv cable. Cov Ntawv Thaiv Dej, Mica Daim Kab Xev, cov khoom siv rwb thaiv tsev, thiab cov khoom siv sheathing peb muab tau raug tsim los ua kom muaj kev ruaj ntseg ntawm cov "cov hlab ntsha digital" no dhau ntawm nws cov qauv tsim ntawm 25 xyoo lossis ntau dua.
3. Qhov cuam tshuam tsis pom: Pob zeb ntawm lub ntiaj teb digital thiab kev txhawj xeeb
Submarine fiber ntau-optic cables tau hloov kho lub ntiaj teb, ua kom muaj kev sib cuam tshuam thoob ntiaj teb thiab txhawb kev lag luam digital. Txawm li cas los xij, lawv cov txiaj ntsig zoo kuj tseem coj cov teeb meem ntsig txog kev ruaj ntseg thiab kev tiv thaiv ib puag ncig, ua rau cov kev xav tau tshiab rau kev ua phooj ywg ib puag ncig thiab kev taug qab ntawm cov ntaub ntawv cable.
Kev Ruaj Ntseg thiab Kev Ruaj Ntseg: Raws li cov txheej txheem tseem ceeb, lawv lub cev kev ruaj ntseg tau txais kev saib xyuas tseem ceeb, tso siab rau cov khoom siv thiab cov qauv.
Lub luag haujlwm ntawm ib puag ncig: Los ntawm kev tso thiab kev ua haujlwm mus rau qhov kawg rov qab los, tag nrho lub neej yuav tsum txo qis kev cuam tshuam rau marine ecosystem. Tsim ib puag ncig tus phooj ywg cable sib txuas thiab cov khoom siv polymer rov ua dua tau dhau los ua kev pom zoo hauv kev lag luam.
4. Xaus: Txuas lub neej yav tom ntej, cov khoom siv coj txoj kev
Submarine cables yog qhov ua tiav ntawm tib neeg engineering. Tom qab qhov kev ua tiav no yog txuas ntxiv thev naus laus zis tshiab hauv cov ntaub ntawv. Nrog rau kev loj hlob ntawm kev lag luam thoob ntiaj teb cov ntaub ntawv, kev xav tau kom muaj peev xwm sib kis tau ntau dua, kev ntseeg tau, thiab kev siv hluav taws xob los ntawm submarine cables tau nce ntxiv, taw qhia ncaj qha mus rau qhov xav tau rau lub cim tshiab ntawm cov khoom siv cable zoo.
Peb tau cog lus los koom tes nrog cov koom tes tsim khoom siv hluav taws xob los tshawb nrhiav, tsim, thiab tsim cov ntaub ntawv zoo ib puag ncig, kev ua tau zoo dua cov khoom siv cable (nrog rau cov khoom siv tseem ceeb xws li Cov Hluav Taws Xob Hluav Taws Xob, cov khoom siv hluav taws xob, thiab cov khoom siv sheathing), ua haujlwm ua ke los tiv thaiv kev sib tw thiab kev ruaj ntseg ntawm lub ntiaj teb digital lifeline, thiab pab txhawb rau kev sib txuas thiab kev ruaj ntseg yav tom ntej. Hauv qhov tseem ceeb ntawm cov ntaub ntawv cable, peb tsis tu ncua tsav kev kawm txuj ci.
Post lub sij hawm: Sep-23-2025