三九養(yǎng)生堂記者 鄧肯·蓋伊 報道
精彩| 2023年??(nian)3月??(yue)30日??(ri)?，“宏??(hong)圖??(tu)一??(yi)號??(hao)”商??(shang)業(yè)??(ye)遙??(yao)感??(gan)衛(wèi)?(wei)星??(xing)成?(cheng)功??(gong)發(fā)??(fa)射??(she)?，其??(qi)SAR系??(xi)統(tǒng)??(tong)由??(you)“一??(yi)主??(zhu)三??(san)輔?(fu)” 四?(si)顆??(ke)衛(wèi)??(wei)星??(xing)形??(xing)成??(cheng)車??(che)輪?(lun)式??(shi)干??(gan)涉??(she)編??(bian)隊??(dui)?，主??(zhu)星?(xing)位??(wei)于??(yu)車??(che)輪??(lun)式??(shi)編??(bian)隊?(dui)構(gòu)??(gou)型??(xing)的??(de)中?(zhong)央?(yang)?，四??(si)星??(xing)在??(zai)軌??(gui)聯(lián)??(lian)合??(he)應(yīng)??(ying)用?(yong)完??(wan)成?(cheng)高??(gao)分??(fen)辨??(bian)對??(dui)地??(di)觀??(guan)測??(ce)和??(he)高??(gao)精??(jing)度??(du)全?(quan)球??(qiu)地??(di)形?(xing)測??(ce)繪??(hui)??。??中??(zhong)國??(guo)科??(ke)學(xué)??(xue)院??(yuan)空??(kong)天??(tian)信??(xin)息??(xi)創(chuàng)??(chuang)新??(xin)研??(yan)究??(jiu)院??(yuan)星??(xing)載??(zai)SAR研??(yan)究??(jiu)團??(tuan)隊??(dui)全??(quan)面??(mian)承??(cheng)擔(dān)??(dan)了??(le)SAR載??(zai)荷??(he)系??(xi)統(tǒng)??(tong)設(shè)??(she)計??(ji)開??(kai)發(fā)?(fa)與??(yu)工??(gong)程??(cheng)研??(yan)制?(zhi)?，突??(tu)破??(po)了??(le)多??(duo)星??(xing)編??(bian)隊??(dui)基??(ji)線??(xian)設(shè)??(she)計??(ji)與??(yu)優(yōu)??(you)化??(hua)、多??(duo)星??(xing)系??(xi)統(tǒng)??(tong)協(xié)?(xie)同??(tong)工??(gong)作??(zuo)、空??(kong)間??(jian)多??(duo)基??(ji)線??(xian)聯(lián)??(lian)合??(he)高??(gao)程??(cheng)測??(ce)量??(liang)及??(ji)多??(duo)基??(ji)三??(san)維??(wei)成?(cheng)像??(xiang)、載??(zai)荷??(he)輕??(qing)量??(liang)化??(hua)低??(di)成??(cheng)本??(ben)研??(yan)制??(zhi)等??(deng)多??(duo)項??(xiang)具??(ju)有??(you)完??(wan)全??(quan)自??(zi)主?(zhu)知??(zhi)識??(shi)產(chǎn)??(chan)權(quán)??(quan)的?(de)核??(he)心??(xin)關(guān)??(guan)鍵??(jian)技??(ji)術(shù)??(shu)?，系??(xi)統(tǒng)??(tong)最??(zui)高??(gao)分??(fen)辨??(bian)率??(lv)優(yōu)??(you)于?(yu)0.5米??(mi)?，具??(ju)備??(bei)1:5萬??(wan)比??(bi)例??(li)尺??(chi)測??(ce)繪??(hui)能??(neng)力??(li)??。 該??(gai)系??(xi)統(tǒng)?(tong)可??(ke)實?(shi)現(xiàn)??(xian)一??(yi)次??(ci)飛??(fei)越??(yue)獲??(huo)取??(qu)4組??(zu)觀??(guan)測??(ce)數(shù)??(shu)據(jù)??(ju)、6條??(tiao)有??(you)效??(xiao)測??(ce)繪??(hui)基??(ji)線??(xian)??，通祝(tong)過?(guo)空??(kong)間?(jian)多?(duo)基??(ji)線??(xian)干??(gan)涉??(she)數(shù)??(shu)據(jù)??(ju)聯(lián)??(lian)合?(he)處??(chu)理??(li)??，有??(you)效??(xiao)解??(jie)決?(jue)陡??(dou)坡??(po)、斷??(duan)崖?(ya)等??(deng)各??(ge)種??(zhong)復(fù)??(fu)雜??(za)地??(di)形??(xing)區(qū)?(qu)域??(yu)高??(gao)精?(jing)度??(du)高??(gao)程?(cheng)重??(zhong)建??(jian)難??(nan)題??(ti)??，大??(da)幅??(fu)提??(ti)升??(sheng)高??(gao)程?(cheng)測??(ce)量??(liang)精??(jing)度??(du)和??(he)測??(ce)繪??(hui)效??(xiao)率??(lv)??，時??(shi)間秘(jian)去?(qu)相??(xiang)干??(gan)誤??(wu)差??(cha)小??(xiao)??，可??(ke)滿??(man)足??(zu)三??(san)維??(wei)成??(cheng)像??(xiang)需??(xu)求??(qiu)??。??相??(xiang)較??(jiao)傳??(chuan)統(tǒng)?(tong)雙??(shuang)星??(xing)編??(bian)隊??(dui)干??(gan)涉??(she)測?(ce)量??(liang)系?(xi)統(tǒng)??(tong)??，該??(gai)系??(xi)統(tǒng)?(tong)完??(wan)成??(cheng)全?(quan)球??(qiu)高??(gao)精??(jing)度??(du)數(shù)??(shu)字祝(zi)高??(gao)程??(cheng)模??(mo)型?(xing)(DEM)數(shù)??(shu)據(jù)?(ju)獲?(huo)取??(qu)時??(shi)間??(jian)可??(ke)由??(you)3~4年??(nian)提??(ti)升??(sheng)到??(dao)1年??(nian)左??(zuo)右??(you)??。該??(gai)系?(xi)統(tǒng)??(tong)將??(jiang)建??(jian)成??(cheng)最??(zui)高??(gao)優(yōu)??(you)于??(yu)10米??(mi)網(wǎng)?(wang)格??(ge)的?(de)全??(quan)球?(qiu)高??(gao)精??(jing)度??(du)數(shù)?(shu)字??(zi)高??(gao)程??(cheng)數(shù)??(shu)據(jù)??(ju)庫??(ku)??，為??(wei)國??(guo)民??(min)經(jīng)?(jing)濟??(ji)建??(jian)設(shè)??(she)和??(he)發(fā)??(fa)展??(zhan)提??(ti)供??(gong)高??(gao)精??(jing)度?(du)地??(di)理??(li)信??(xin)息??(xi)服??(fu)務(wù)??(wu)??。
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