Ụlọ ọrụ nkwurịta okwu laser na-etolite ngwa ngwa ma na-achọ ịbanye n'oge mmepe ọla edo
Nkwurịta okwu Laser bụ ụdị nkwurịta okwu na-eji laser na-ebufe ozi. Laser bụ ụdị ọhụrụìhè isi iyi, nke nwere njirimara nke nchapụta dị elu, nduzi siri ike, monochromism dị mma na njikọ siri ike. Dị ka usoro mgbasa ozi dị iche iche si dị, enwere ike kewaa ya na ikukunkwukọrịta laserna nkwurịta okwu fiber optic. Nkwurịta okwu laser ikuku bụ nkwurịta okwu laser na-eji ikuku dị ka mgbasa ozi. Nzikọrịta eriri anya bụ ụdị nzikọrịta ozi site na iji eriri anya na-ebufe akara ngosi.
Usoro nkwurịta okwu laser nwere akụkụ abụọ: izipu na ịnata. Akụkụ a na-ebunye tumadi bụ laser, Optical modulator na ngwa anya na-ebufe antenna. Akụkụ nnata na-agụnyekarị antenna nnata anya, nzacha anya naOnye nyocha foto. A na-ezigara ozi a ga-ebufe na aOptical modulatorejikọrọ na laser, nke na-agbanwe ozi nalaserma zipụ ya site na eriri na-ebufe ngwa anya. Na njedebe nnata, antenna na-anata anya na-anata mgbaàmà laser wee ziga ya naihe nchọpụta anya, nke na-atụgharị akara ngosi laser ka ọ bụrụ akara eletrik ma tụgharịa ya na ozi mbụ mgbe nkwalite na demodulation gasịrị.
Satịlaịtị ọ bụla na netwọọdụ satịlaịtị nkwukọrịta ntupu nke Pentagon zubere nwere ike ịnwe njikọ laser anọ ka ha na satịlaịtị ndị ọzọ, ụgbọ elu, ụgbọ mmiri na ọdụ ụgbọ ala kparịta ụka.Njikọ anyan'etiti Satellites dị oké mkpa maka ịga nke ọma nke US agha's ala-Earth orbit constellation, nke a ga-eji maka data nzikọrịta ozi n'etiti otutu mbara ala. Lasers nwere ike ịnye ọnụego data nnyefe dị elu karịa nkwukọrịta RF ọdịnala, mana dịkwa oke ọnụ karịa.
Ndị agha US nyere ihe fọrọ nke nta ka ọ bụrụ ijeri $1.8 n'oge na-adịbeghị anya maka mmemme Constellation nke 126 nke ụlọ ọrụ US ga-ewu iche iche bụ ndị mepụtara teknụzụ nzikọrịta ozi anya otu-na-ọtụtụ maka nnyefe isi-na-multipoint nke nwere ike inye aka belata ọnụ ahịa nke iwu ụlọ kpakpando site n'ibelata nke ukwuu mkpa maka ọnụ ọnụ. A na-enweta njikọ n'otu n'otu site na ngwaọrụ a na-akpọ usoro nkwurịta okwu anya jikwaa (MOCA maka mkpụmkpụ), nke pụrụ iche na ọ dị nnọọ modular, na MOCA jikwaa nkwurịta okwu anya anya na-enyere aka njikọ inter-satellite ngwa anya iji kparịta ụka na ọtụtụ satịlaịtị ndị ọzọ. Na nkwurịta okwu laser ọdịnala, ihe niile bụ isi-na-isi, mmekọrịta otu na otu. Site na MOCA, njikọ ngwa anya n'etiti satellite nwere ike ịgwa satịlaịtị 40 dị iche iche okwu. Nkà na ụzụ a abụghị naanị uru nke ibelata ọnụ ahịa ụlọ kpakpando satịlaịtị, ma ọ bụrụ na ọnụ ahịa ọnụ ọnụ na-ebelata, enwere ohere iji mejuputa ụlọ ọrụ netwọk dị iche iche ma si otú a dị iche iche ọkwa ọrụ.
Oge ụfọdụ gara aga, Satellite Beidou nke China rụrụ nnwale nzikọrịta ozi laser, na-ebufe ihe mgbaàmà n'ụdị laser na ọdụ ụgbọ ala na-anata nke ọma, nke dị oke mkpa maka nkwurịta okwu dị elu n'etiti netwọkụ satịlaịtị n'ọdịnihu, ojiji nke nkwukọrịta laser nwere ike ikwe ka satịlaịtị na-ebunye ọtụtụ puku megabits nke data kwa sekọnd, ndụ anyị kwa ụbọchị nbudata ọsọ ọsọ bụ megabits ole na ole na megabit n'otu oge, enwere ike iru nzimozi laser dị iche iche na megabit iri. gigabytes nke abụọ, na n'ọdịnihu nwere ike ịzụlite n'ime terabytes.
Ka ọ dị ugbu a, usoro ụgbọ mmiri Beidou nke China abanyela na nkwekọrịta imekọ ihe ọnụ na mba 137 gburugburu ụwa, nwere mmetụta ụfọdụ n'ụwa, ọ ga-aga n'ihu na-amụba n'ọdịnihu, ọ bụ ezie na usoro ụgbọ mmiri Beidou nke China bụ usoro nke atọ nke usoro ụgbọ mmiri satịlaịtị tozuru okè, ma nwere ọnụ ọgụgụ kasị ukwuu nke satellites, ọbụna karịa ọnụ ọgụgụ nke satellites nke usoro GPS. Ka ọ dị ugbu a, sistemụ igodo Beidou na-arụ ọrụ dị mkpa na mpaghara ndị agha na mpaghara ndị nkịtị. Ọ bụrụ na enwere ike ịme nkwurịta okwu laser, ọ ga-eweta ozi ọma n'ụwa.
Oge nzipu: Dec-05-2023