資源描述:
《雙∕多基地SAR成像研究進(jìn)展與趨勢(shì)及其關(guān)鍵技術(shù).pdf》由會(huì)員上傳分享,免費(fèi)在線(xiàn)閱讀,更多相關(guān)內(nèi)容在行業(yè)資料-天天文庫(kù)。
1、112上海AEROSPACE航天SHANGHAI第33卷2016年第4期文章編號(hào):1006—1630(2016)04—0112-07雙/多基地SAR成像研究進(jìn)展與趨勢(shì)及其關(guān)鍵技術(shù)蔡愛(ài)民1’2,王燕宇L2(1.中國(guó)電子科技集團(tuán)公司第三十八研究所,安徽合肥230088;2.孔徑陣列與空間探測(cè)重點(diǎn)實(shí)驗(yàn)室,安徽合肥230088)摘要:對(duì)國(guó)內(nèi)外雙/多基地合成孔徑雷達(dá)(SAR)研究進(jìn)展、趨勢(shì)及其關(guān)鍵技術(shù)進(jìn)行了綜述。簡(jiǎn)述了雙/多基地SAR成像的特點(diǎn)和研究意義,介紹了雙基地SAR研究的進(jìn)展:國(guó)外已通過(guò)地面、機(jī)載試驗(yàn)和在軌衛(wèi)星等途徑驗(yàn)證了雙基地SAR成像在慢速目標(biāo)檢測(cè)、干涉測(cè)量和前
2、視成像等領(lǐng)域的優(yōu)勢(shì);國(guó)內(nèi)對(duì)成像、同步等開(kāi)展了針對(duì)性的試驗(yàn),并獲得了成像結(jié)果,但還處于有限的理論研究和試驗(yàn)分析階段。歸納了雙/多基地SAR成像技術(shù)理論體系不斷完善、發(fā)展分支不斷交叉、體系化和天空地一體化發(fā)展的趨勢(shì)。針對(duì)雙/多基地SAR成像的不同點(diǎn),認(rèn)為構(gòu)型設(shè)計(jì)、同步技術(shù)、實(shí)時(shí)成像算法和體系化網(wǎng)絡(luò)構(gòu)建是雙/多基地SAR成像的關(guān)鍵技術(shù)。建議在航天技術(shù)逐漸成熟的大背景下,以技術(shù)的發(fā)展趨勢(shì)為導(dǎo)向,積極開(kāi)展雙/多基SAR關(guān)鍵技術(shù)研究,拓展雙/多基地SAR系統(tǒng)的發(fā)展空間,使其優(yōu)勢(shì)真正走向?qū)嵱没?。關(guān)鍵詞:雙/多基地SAR成像;異構(gòu)平臺(tái);構(gòu)型;同步;實(shí)時(shí);成像算法;觀(guān)測(cè)網(wǎng)絡(luò)中圖分類(lèi)
3、號(hào):TN958文獻(xiàn)標(biāo)志碼:ADOI:10.19328/j.cnki.1006—1630.2016.04.019ProgressIncidenceandKeyTechnologyofBi/MutiSARImagingCAIAi—rainl~.WANGYan—yul'2(1.ChinaElectronicsTechnologyGroupCorporationNo.38ResearchInstitute,Hefei230088,Anhui,China;2.KeyLaboratoryofApertureArrayandSpaceApplication,Hefei23008
4、8,Anhui,China)Abstract:Theprogress,trendandkeytechnologiesofbi/muhiSARindomesticandabroadwasinterviewedinthispaper.Thecharacteristicsandstudymeaningofbi/multiSARimagingwereoutlined.TheresearchprogressinbiSARintheworldwasintroduced.Theadvantageshadbeenverifiedthroughtheground,airborne,
5、in-orbitsatellitestestsandothermeansinslowtargetdetection,interferometrymeasurementsandforesightimagingbybiSARinabroad.SomespecialtestshadbeencarriedoutinbiSARimagingandsynchronization,andsomeimagingresultswereachieved,butstillhoveringintheoreticalandexperimentalanalysisindomestic.The
6、developmenttrendwassummarized,whichwerecontinuousimprovementinthedevelopmentoftheoreticalsystem,cross—branchdevelopingconstantlymerging,andsky,groundsystemsintegrated.Thekeytechnologies,suchasgeometryconfigurationdesign,synchronization,real—timeimagingalgorithmandarchitectureofthenetw
7、orkconstructionforbi/multiSARimagingwereanalyzed.Itwassuggestedthatinthebackgroundofaerospacetechnologybloomingandwiththetrendofthetechnologydevelopment,carrythehi/multiSARkeytechnologiesoutinresearch,expandthedevelopmentfieldsandbringtheadvantagesofbi/multiSARsystemtOpracticaluseacti
8、vely.