Ishishini lonxibelelwano nge-laser likhula ngokukhawuleza kwaye liza kungena kwixesha legolide lophuhliso
Unxibelelwano lweLaser luhlobo lwendlela yonxibelelwano usebenzisa i-laser ukuhambisa ulwazi. I-Laser luhlobo olutsha lweumthombo wokukhanya, eneempawu zokukhanya okuphezulu, ukuqondisa okuqinileyo, i-monochromism enhle kunye nokuhambelana okuqinileyo. Ngokwendlela eyahlukileyo yothumelo, inokwahlulwa ibe yi-atmosphericlaser unxibelelwanokunye nonxibelelwano lwefiber optical. Unxibelelwano ngelaser ye-atmospheric lunxibelelwano lwelaser kusetyenziswa iatmosphere njengendlela yothumelo. Unxibelelwano lwefiber optical yindlela yonxibelelwano isebenzisa ifayibha yamehlo ukuhambisa imiqondiso yamehlo.
Inkqubo yonxibelelwano nge-laser inamacandelo amabini: ukuthumela nokwamkela. Inxalenye yothutho ikakhulu ibandakanya i-laser, imodyuli ye-Optical kunye ne-eriyali yokudlulisa amehlo. Icandelo elifumanayo libandakanya ikakhulu i-eriyali yokufumana i-optical, i-optical filter kunyeIsikhangeli seefoto. Ulwazi oluya kuhanjiswa luthunyelwa kuImodyuli yokukhanyaeqhagamshelwe kwi-laser, ehlengahlengisa ulwazi kwilaserkwaye iyithumele ngaphandle nge-eriyali yokudlulisa amehlo. Ekupheleni kokufumana, i-antenna yokufumana i-optical ifumana isignali ye-laser kwaye iyithumele kwiumtshina wamehlo, eguqula isignali ye-laser ibe ngumqondiso wombane kwaye iguqule ibe yinkcazelo yokuqala emva kokukhulisa kunye nokunciphisa.
Isathelayithi nganye kuthungelwano lwesathelayithi yothungelwano olucetyiweyo lweMesh inokuba namakhonkco e-laser afikelela kuma mane ukuze bakwazi ukunxibelelana nezinye iisathelayithi, iinqwelomoya, iinqanawa kunye nezikhululo ezisemhlabeni.Amakhonkco okubonaphakathi kwesathelayithi zibalulekile kwimpumelelo yomkhosi wase-US ophantsi kwe-Earth orbit constellation, eya kusetyenziselwa unxibelelwano lwedatha phakathi kweeplanethi ezininzi. IiLasers zinokubonelela ngamazinga aphezulu othumelo lwedatha kunonxibelelwano lweRF yemveli, kodwa zikwabiza kakhulu.
Umkhosi wase-US usanda kunikezela malunga ne-1.8 yeebhiliyoni zeedola kwiikontraka zenkqubo ye-126 ye-Constellation ukuba yakhiwe ngokwahlukileyo ziinkampani zase-US eziphuhlise iteknoloji yonxibelelwano ye-optical one-to-many optical transmission ye-point-to-multipoint transmission enokunceda ukunciphisa iindleko zokwakha i-constellation ngokunciphisa kakhulu imfuno yee-terminals. Uxhulumaniso olunye ukuya kwabaninzi luphunyezwa ngesixhobo esibizwa ngokuba yi-administrate optical communication array (MOCA ngokufutshane), eyodwa kukuba imodyuli kakhulu, kwaye i-MOCA elawulwa yi-optical communication array yenza amakhonkco e-optical inter-satellite anxibelelane nezinye iisathelayithi ezininzi. Kunxibelelwano lwe-laser yendabuko, yonke into ikhomba-inqaku, ubudlelwane obunye. Nge-MOCA, i-inter-satellite optical link inokuthetha neesathelayithi ezingama-40 ezahlukeneyo. Le teknoloji ayikho nje inzuzo yokunciphisa iindleko zokwakha i-satellite constellations, ukuba iindleko ze-nodes ziyancipha, kukho ithuba lokuphumeza i-architectures ezahlukeneyo zenethiwekhi kwaye ngaloo ndlela amanqanaba eenkonzo ahlukeneyo.
Ngexesha elidlulileyo, i-satellite ye-Beidou yase-China yenza uvavanyo lonxibelelwano lwe-laser, lugqithise ngempumelelo umqondiso ngendlela ye-laser ukuya kwisikhululo sokufumana umhlaba, into ebaluleke kakhulu kunxibelelwano olukhawulezayo phakathi kothungelwano lwesathelayithi kwixesha elizayo, ukusetyenziswa konxibelelwano lwe-laser kunokuvumela isathelayithi ukuba idlulisele amawaka eemegabhithi zedatha ngomzuzwana, isantya sethu sobomi bemihla ngemihla yokukhuphela i-mega bits isantya sonxibelelwano se-mega sesibini sisesibini, isantya sobomi bethu bemihla ngemihla yokukhuphela i-megabit Izantya zokukhuphela zinokufikelela kwiigigabytes ezininzi ngomzuzwana, kwaye nakwixesha elizayo zinokuphuhliswa zibe ziiterabytes.
Okwangoku, inkqubo yokukhangela yase-China yase-Beidou isayine izivumelwano zentsebenziswano kunye namazwe angama-137 kwihlabathi jikelele, inempembelelo ethile kwihlabathi, kwaye iya kuqhubeka nokwandisa kwixesha elizayo, nangona inkqubo ye-Beidou yokukhangela i-China iseti yesithathu yenkqubo yokuhamba ngesathelayithi evuthiweyo, kodwa inenani elikhulu lesathelayithi, nangaphezulu kwenani le-satellites yenkqubo ye-GPS. Okwangoku, inkqubo yokukhangela ye-Beidou idlala indima ebalulekileyo kwibala lomkhosi nakwibala labemi. Ukuba unxibelelwano lwelaser lunokuphunyezwa, luya kuzisa iindaba ezilungileyo kwihlabathi.
Ixesha lokuposa: Dec-05-2023