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　　三九養(yǎng)生堂記者 鄧肯·蓋伊 報(bào)道

精彩|　　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)介??(jie)紹??(shao)說(shuō)??(shuo)??，干??(gan)涉?(she)SAR指??(zhi)的??(de)是??(shi)利??(li)用?(yong)兩??(liang)部??(bu)雷??(lei)達(dá)??(da)在??(zai)不??(bu)同??(tong)位??(wei)置??(zhi)觀(guān)??(guan)測(cè)??(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(guò)??(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)??，類(lèi)??(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(biāo)??(biao)的??(de)位??(wei)置?(zhi)、距??(ju)離??(li)等??(deng)信??(xin)息??(xi)??。??多??(duo)基??(ji)線(xiàn)??(xian)干??(gan)涉?(she)SAR是??(shi)在??(zai)多??(duo)個(gè)??(ge)衛(wèi)??(wei)星??(xing)構(gòu)??(gou)成??(cheng)編??(bian)隊(duì)??(dui)的??(de)基??(ji)礎(chǔ)??(chu)上??(shang)??，利??(li)用??(yong)多??(duo)個(gè)?(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(cè)??(ce)繪??(hui)的??(de)精??(jing)度??(du)和??(he)效??(xiao)率??(lv)???！　∵@??(zhe)次??(ci)成??(cheng)功??(gong)在??(zai)軌??(gui)應(yīng)?(ying)用??(yong)的??(de)多?(duo)基??(ji)線(xiàn)??(xian)干??(gan)涉??(she)SAR系??(xi)統(tǒng)?(tong)可??(ke)實(shí)??(shi)現(xiàn)??(xian)一??(yi)次?(ci)飛??(fei)越??(yue)獲??(huo)取??(qu)4組??(zu)觀(guān)??(guan)測(cè)??(ce)數(shù)??(shu)據(jù)??(ju)、6條??(tiao)有??(you)效??(xiao)測(cè)??(ce)繪??(hui)基??(ji)線(xiàn)??(xian)??，通??(tong)過(guò)??(guo)空??(kong)間??(jian)多??(duo)基??(ji)線(xiàn)??(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(cè)??(ce)量??(liang)精??(jing)度??(du)和??(he)測(cè)??(ce)繪??(hui)效??(xiao)率??(lv)??，并??(bing)可??(ke)滿(mǎn)??(man)足??(zu)三??(san)維??(wei)成??(cheng)像秘(xiang)需??(xu)求??(qiu)??。??相??(xiang)較?(jiao)傳??(chuan)統(tǒng)??(tong)雙??(shuang)星??(xing)編??(bian)隊(duì)??(dui)干??(gan)涉??(she)測(cè)??(ce)量??(liang)系??(xi)統(tǒng)??(tong)??，多??(duo)基??(ji)線(xiàn)??(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(shí)?(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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