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| 1 | 应用于深空探测的VLBI技术显示文摘分析了河外射电源与空间飞行器甚长基线干涉测量(VLBI)跟踪与资料解析的差异,包括信号波前形式、频谱特征、误差修正方式、解算参数类型和软件实时性需求等。讨论了应用于深空探测的包括宽带、窄带、同波束、多频点、多基线相位参考、连线干涉和局部参考架等多种差分VLBI技术,可作为VLBI技术在我国深空探测应用中技术设计参考。 | 李金岭 张津维 刘鹂 郭丽 钱志瀚 | 2012 | 航天器工程2012，21，2： | 13 |
| 2 | Precise determination of the reference point coordinates of Shanghai Tianma 65-m radio telescope显示文摘A local survey was implemented at the newly constructed Shanghai Tianma 65-m radio telescope.In this article,the survey implementation and data analysis are described.Particularly,by application of coordinate transformation,dimensionality reduction and step fitting of parameters,as well as adoption of reliability test measures of parameters,the mathematical model of data analysis is simplified,the detrimental effects of observation noises and unevenly spatial coverage of sample points are effectively compressed,the stability and precision of parameter solutions are improved,and so the geocentric three-dimensional coordinates of the reference point of this telescope in the precision of millimeters were determined,and the axisoffset was shown not significant on the precision level of3 mm.The outcome provides important reference to the subsequent activities of antenna maintenance and scientific application,including the establishment of precise antenna orientation model,orientation guidance,fringe searching in data cross-correlation,analysis and application studies of VLBI observations.It is also important archive data for monitoring possible subsidence and lateral displacement of antenna foundation as well as deformation of antenna tracking-rail and structure. | Jinling Li Fuwen Xiong Chenglei Yu Jinwei Zhang Li Guo Qingyuan Fan | 2014 | Chinese Science Bulletin2014，59，21： | 5 |
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