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为更好地开展深空无线电干涉测量试验,基于DiFX(Distributed FX,分布式FX型相关处理)、SPICE(Spacecraft Planet Instrument Camera-matrix Events,航天器行星仪器照相机矩阵事件)、HOPS(Haystack Observatory Postprocessing System,Haystack克天文台后处理系统)及AIPS(Astronomical Image Processing System,天文图像处理系统)等开源软件,搭建了一套可用于深空探测器信号相关处理的无线电干涉测量数据处理系统。首先介绍了该系统的整体架构及组成,然后介绍了系统各组成模块的功能及工作原理,最后利用该系统对嫦娥三号着陆器开展了观测试验,并对观测数据进行了处理。试验结果表明,该系统能成功实现深空航天器信号的相关处理、条纹拟合,以及时延解算等功能,有望为我国嫦娥五号任务及火星探测任务数据处理提供支持。
In order to carry out the deep space radio interference measurement experiment better, based on DiFX (Distributed FX, distributed FX correlation processing), SPICE (Spacecraft Planet Instrument Camera-matrix Events), HOPS (Haystack Observatory Postprocessing System, Haystack g astronomical postprocessing system) and AIPS (Astronomical Image Processing System), a set of radio interferometry data processing system for signal processing of deep space probes was constructed. Firstly, the overall architecture and composition of the system are introduced. Then the function and working principle of each module of the system are introduced. Finally, the system is used to carry out the observation and test of the Chang’e III lander and the observation data are processed. The experimental results show that the system can successfully accomplish the related processing of deep space vehicle signals, the fringe fitting and the solution of time delay. It is expected to provide support for the data processing of Chang’e-5 mission and Mars exploration mission.