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　　三九養(yǎng)生堂記者 鄧肯·蓋伊 報道

精彩|　　“宏??(hong)圖??(tu)一?(yi)號??(hao)”商??(shang)業(yè)??(ye)遙??(yao)感??(gan)衛(wèi)??(wei)星??(xing)于??(yu)2023年??(nian)3月??(yue)底??(di)發(fā)??(fa)射??(she)升??(sheng)空??(kong)??，其??(qi)SAR系??(xi)統(tǒng)??(tong)由??(you)“一??(yi)主?(zhu)三??(san)輔??(fu)”4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)中??(zhong)央??(yang)??。??中??(zhong)國??(guo)科??(ke)學(xué)?(xue)院?(yuan)空??(kong)天??(tian)院??(yuan)星??(xing)載??(zai)SAR研??(yan)究??(jiu)團??(tuan)隊??(dui)全??(quan)面??(mian)承??(cheng)擔(dān)?(dan)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)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)1:50000比??(bi)例?(li)尺??(chi)測??(ce)繪??(hui)能??(neng)力??(li)??。近??(jin)日??(ri)??，該??(gai)星??(xing)SAR系??(xi)統(tǒng)??(tong)4星??(xing)在??(zai)軌??(gui)聯(lián)??(lian)合??(he)應(yīng)?(ying)用??(yong)??，順??(shun)利??(li)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)???！　∵@??(zhe)次??(ci)成??(cheng)功??(gong)在??(zai)軌??(gui)應(yīng)??(ying)用?(yong)的?(de)多??(duo)基??(ji)線??(xian)干??(gan)涉?(she)SAR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??(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)??，并??(bing)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)??，多??(duo)基??(ji)線??(xian)干??(gan)涉??(she)SAR系??(xi)統(tǒng)?(tong)完??(wan)成??(cheng)全??(quan)球??(qiu)高??(gao)精??(jing)度??(du)數(shù)??(shu)字??(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)??。

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