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　　三九養(yǎng)生堂記者 鄧肯·蓋伊 報道

精彩|　　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(tuán)??(tuan)隊??(dui)表??(biao)示??(shi)?，“宏??(hong)圖??(tu)一??(yi)號??(hao)”衛(wèi)??(wei)星??(xing)入??(ru)軌??(gui)后??(hou)?，研??(yan)究??(jiu)團(tuán)??(tuan)隊??(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??(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??(hao)(ICESAT-2)激??(ji)光??(guang)控??(kong)制??(zhi)點??(dian)數(shù)??(shu)據(jù)?(ju)對??(dui)地??(di)形??(xing)測??(ce)量??(liang)結(jié)??(jie)果?(guo)進(jìn)??(jin)行??(xing)高??(gao)程??(cheng)精?(jing)度??(du)驗??(yan)證??(zheng)?，初??(chu)步??(bu)驗??(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??(yan)地??(di)點??(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??(ce)繪??(hui)精??(jing)度??(du)要??(yao)求??(qiu)??。??后??(hou)續(xù)??(xu)?，研??(yan)究??(jiu)團(tuán)??(tuan)隊??(dui)還??(hai)將??(jiang)對??(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??(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??(ku)?，為??(wei)國??(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))　　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(tuán)??(tuan)隊??(dui)介??(jie)紹??(shao)說??(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??(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)??，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(biāo)??(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)??。

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