三九養(yǎng)生堂記者 鄧肯·蓋伊 報(bào)道
精彩| “宏??(hong)圖??(tu)一??(yi)號(hào)?(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(duì)??(dui)??，主??(zhu)星??(xing)位??(wei)于??(yu)車??(che)輪??(lun)式??(shi)編?(bian)隊(duì)??(dui)構(gòu)??(gou)型??(xing)中??(zhong)央??(yang)?。??中??(zhong)國(guó)??(guo)科??(ke)學(xué)??(xue)院??(yuan)空??(kong)天??(tian)院??(yuan)星??(xing)載??(zai)SAR研??(yan)究??(jiu)團(tuán)??(tuan)隊(duì)??(dui)全??(quan)面??(mian)承??(cheng)擔(dān)??(dan)SAR載?(zai)荷??(he)系??(xi)統(tǒng)??(tong)設(shè)??(she)計(jì)??(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(duì)??(dui)基??(ji)線??(xian)設(shè)??(she)計(jì)??(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(cè)??(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(xiàng)??(xiang)具?(ju)有??(you)完??(wan)全??(quan)自??(zi)主??(zhu)知?(zhi)識(shí)??(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(cè)??(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(duì)??(dui)地??(di)觀??(guan)測(cè)??(ce)和??(he)高??(gao)精??(jing)度??(du)全??(quan)球??(qiu)地?(di)形??(xing)測(cè)??(ce)繪??(hui)??！ ≈??(zhong)國(guó)??(guo)科??(ke)學(xué)??(xue)院??(yuan)空??(kong)天??(tian)院??(yuan)星??(xing)載??(zai)SAR研??(yan)究??(jiu)團(tuán)??(tuan)隊(duì)??(dui)表??(biao)示??(shi)??，“宏??(hong)圖??(tu)一??(yi)號(hào)??(hao)”衛(wèi)??(wei)星??(xing)入??(ru)軌??(gui)后??(hou)??，研??(yan)究??(jiu)團(tuán)??(tuan)隊(duì)??(dui)開??(kai)展??(zhan)多??(duo)模??(mo)式??(shi)高??(gao)分?(fen)辨??(bian)率??(lv)成??(cheng)像??(xiang)和??(he)多??(duo)區(qū)??(qu)域??(yu)多?(duo)基??(ji)線??(xian)干??(gan)涉??(she)測(cè)??(ce)繪??(hui)??，采?(cai)用??(yong)冰??(bing)、云??(yun)和??(he)陸??(lu)地??(di)高??(gao)程??(cheng)衛(wèi)??(wei)星??(xing)二??(er)號(hào)?(hao)(ICESAT-2)激??(ji)光?(guang)控?(kong)制??(zhi)點(diǎn)??(dian)數(shù)?(shu)據(jù)??(ju)對(duì)??(dui)地??(di)形??(xing)測(cè)??(ce)量??(liang)結(jié)??(jie)果??(guo)進(jìn)??(jin)行??(xing)高??(gao)程??(cheng)精??(jing)度??(du)驗(yàn)??(yan)證??(zheng)??，初??(chu)步?(bu)驗(yàn)??(yan)證??(zheng)結(jié)??(jie)果?(guo)表??(biao)明??(ming)??，湖??(hu)南??(nan)株??(zhu)洲?(zhou)等??(deng)試??(shi)驗(yàn)??(yan)地??(di)點(diǎn)??(dian)高??(gao)程??(cheng)中?(zhong)誤??(wu)差??(cha)分??(fen)別??(bie)優(yōu)??(you)于??(yu)2米??(mi)和??(he)5米??(mi)??，滿??(man)足?(zu)1：50000比??(bi)例??(li)尺??(chi)測(cè)??(ce)繪??(hui)精??(jing)度??(du)要??(yao)求??(qiu)??。??后??(hou)續(xù)??(xu)??，研?(yan)究??(jiu)團(tuán)??(tuan)隊(duì)??(dui)還?(hai)將??(jiang)對(duì)?(dui)多??(duo)基??(ji)線??(xian)干??(gan)涉??(she)SAR系?(xi)統(tǒng)??(tong)進(jìn)??(jin)行??(xing)姿??(zi)態(tài)?(tai)和??(he)基??(ji)線??(xian)標(biāo)??(biao)定??(ding)等??(deng)持??(chi)續(xù)??(xu)優(yōu)??(you)化??(hua)操?(cao)作??(zuo)??，以??(yi)進(jìn)??(jin)一??(yi)步??(bu)提??(ti)升??(sheng)高??(gao)程??(cheng)測(cè)??(ce)量??(liang)精??(jing)度??(du)??，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(kù)??(ku)??，為??(wei)國(guó)??(guo)民??(min)經(jīng)??(jing)濟(jì)??(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)??。(完??(wan))
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