三九養(yǎng)生堂記者 鄧肯·蓋伊 報(bào)道
精彩| 在??(zai)中?(zhong)國(guó)??(guo)東??(dong)北??(bei)部??(bu)的??(de)吉??(ji)林?(lin)長(zhǎng)??(chang)白??(bai)山??(shan)和??(he)西??(xi)南??(nan)部??(bu)的??(de)西??(xi)藏??(zang)日??(ri)喀??(ka)則?(ze)新??(xin)建??(jian)兩??(liang)臺(tái)??(tai)40米?(mi)口??(kou)徑??(jing)的??(de)射??(she)電??(dian)望??(wang)遠(yuǎn)??(yuan)鏡??(jing)??，一??(yi)方??(fang)面??(mian)將??(jiang)中??(zhong)國(guó)??(guo)現(xiàn)?(xian)有??(you)VLBI網(wǎng)??(wang)從??(cong)“四??(si)站??(zhan)一??(yi)中??(zhong)心??(xin)”升??(sheng)級(jí)?(ji)為??(wei)“六??(liu)站?(zhan)一?(yi)中??(zhong)心??(xin)”??，另?(ling)一??(yi)方??(fang)面??(mian)??，通??(tong)過(guò)?(guo)升??(sheng)級(jí)??(ji)“拉??(la)長(zhǎng)??(chang)基??(ji)線??(xian)”??，中??(zhong)國(guó)??(guo)境??(jing)內(nèi)??(nei)新??(xin)的??(de)最??(zui)長(zhǎng)??(chang)基??(ji)線??(xian)將??(jiang)為??(wei)長(zhǎng)?(chang)白??(bai)山??(shan)和??(he)日??(ri)喀??(ka)則??(ze)之??(zhi)間??(jian)約??(yue)3800公??(gong)里??(li)基??(ji)線??(xian)??，超??(chao)過(guò)?(guo)原??(yuan)有??(you)上??(shang)海??(hai)和??(he)烏??(wu)魯??(lu)木??(mu)齊??(qi)之??(zhi)間??(jian)約??(yue)3200公??(gong)里??(li)基?(ji)線?(xian)??，最??(zui)大??(da)角??(jiao)分??(fen)辨??(bian)率??(lv)也??(ye)提??(ti)升??(sheng)18%??。?? 項(xiàng)??(xiang)目??(mu)團(tuán)?(tuan)隊(duì)??(dui)指??(zhi)出??(chu)??，由??(you)于??(yu)VLBI技??(ji)術(shù)??(shu)本?(ben)身??(shen)的??(de)特?(te)點(diǎn)??(dian)??，望??(wang)遠(yuǎn)??(yuan)鏡??(jing)之??(zhi)間??(jian)的??(de)距?(ju)離??(li)(基??(ji)線??(xian))越??(yue)長(zhǎng)??(chang)??，所?(suo)形??(xing)成??(cheng)“虛??(xu)擬??(ni)的??(de)”望??(wang)遠(yuǎn)??(yuan)鏡??(jing)的??(de)“等??(deng)效祝(xiao)口??(kou)徑??(jing)”就??(jiu)越??(yue)大??(da)??，多??(duo)個(gè)??(ge)望??(wang)遠(yuǎn)??(yuan)鏡??(jing)聯(lián)??(lian)合??(he)觀??(guan)測(cè)??(ce)的??(de)靈??(ling)敏??(min)度??(du)和??(he)空??(kong)間??(jian)分??(fen)辨??(bian)率??(lv)也??(ye)越??(yue)高??(gao)??。??
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