%0 Journal Article
%T OrbitDesignforTwin-spacecraftSpaceVLBI
%A ZHANG
%A Cheng
%A WU
%A Xia
%A ZHENG
%A Jianhua
%A WU
%A Ji
%J 空间科学学报
%P 502-510
%D 2015
%R 10.11728/cjss2014.04.502
%X SpaceVeryLongBaselineInterferometry(S-VLBI)isanaperturesynthesistechniqueutilizinganarrayofradiotelescopesincludinggroundtelescopesandspaceorbitingtelescopes.Itcanachievemuchhigherspatialresolutionthanthatfromtheground-onlyVLBI.Inthispaper,anewconceptoftwinspacecraftS-VLBIhasbeenproposed,whichutilizesthespace-spacebaselinesformedbytwosatellitestoobtainlargeranduniformuvcoveragewithoutatmosphericinfluenceandhenceachievehighqualityimageswithhigherangularresolution.Theorbitselectionsofthetwosatellitesareinvestigated.TheimagingperformanceandactuallaunchconditionsarealltakenintoaccountinorbitdesigningofthetwinspacecraftS-VLBI.Threeschemesoforbitdesignusingtraditionalellipticalorbitsandcircularorbitsarepresented.Thesedesignresultscanbeusedfordifferentscientificgoals.Furthermore,thesedesigningideascanprovideusefulreferencesforthefutureChinesemillimeter-waveS-VLBImission.
%K VLBI
%K Twinspacecraft
%K Orbitdesign
%U http://www.cjss.ac.cn/CN/abstract/abstract2156.shtml