三九養(yǎng)生堂記者 鄧肯·蓋伊 報(bào)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(duì)??(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(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??(ce)繪??(hui)的??(de)精??(jing)度??(du)和??(he)效??(xiao)率??(lv)??。 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(duì)?(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(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)秘(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(diǎn)?(dian)數(shù)??(shu)據(jù)??(ju)對??(dui)地??(di)形??(xing)測祝(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??(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??(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))
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