三九養(yǎng)生堂記者 鄧肯·蓋伊 報道
精彩| 干??(gan)涉??(she)SAR是??(shi)利??(li)用??(yong)兩??(liang)部??(bu)雷??(lei)達??(da)在??(zai)不??(bu)同?(tong)位??(wei)置??(zhi)觀??(guan)測??(ce)地??(di)面??(mian)??，得??(de)到?(dao)兩??(liang)幅??(fu)包??(bao)含??(han)幅?(fu)度??(du)和??(he)相??(xiang)位??(wei)的??(de)復(fù)??(fu)數(shù)??(shu)影??(ying)像??(xiang)??，通??(tong)過??(guo)相??(xiang)位??(wei)干??(gan)涉??(she)處??(chu)理??(li)反??(fan)演??(yan)地?(di)面??(mian)高??(gao)程??(cheng)??。??這??(zhe)就??(jiu)類??(lei)似??(si)人??(ren)的??(de)雙??(shuang)眼??(yan)看??(kan)物??(wu)體?(ti)??，可??(ke)判??(pan)斷??(duan)目??(mu)標??(biao)的??(de)位??(wei)置??(zhi)、距??(ju)離??(li)等?(deng)信??(xin)息??(xi)??。多??(duo)基?(ji)線??(xian)干??(gan)涉?(she)SAR是??(shi)在??(zai)多??(duo)個??(ge)衛(wèi)??(wei)星??(xing)構(gòu)??(gou)成??(cheng)編?(bian)隊??(dui)的?(de)基??(ji)礎(chǔ)??(chu)上??(shang)??，利??(li)用??(yong)多??(duo)個??(ge)衛(wèi)??(wei)星?(xing)之?(zhi)間??(jian)的??(de)位??(wei)置??(zhi)多??(duo)樣??(yang)性??(xing)信??(xin)息??(xi)??，協(xié)?(xie)同??(tong)工??(gong)作??(zuo)提??(ti)升??(sheng)高?(gao)程??(cheng)測??(ce)繪??(hui)的?(de)精??(jing)度??(du)和??(he)效??(xiao)率??(lv)??。 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??(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)??。
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