CAJ | 학술논문

相关处理机是VLBI 观测数据处理的核心单元，相关处理机的输出结果可以直接作为天文成图、测地学以及航天器干涉测量等应用的输入。DiFX 是运行在分布式计算、共享存储单元的集群环境下最成功的软件相关处理机之一。首先介绍上海天文台DiFX 综合平台的现状；然后介绍利用DiFX 相关处理机处理中国VLBI 网(CVN）天文观测数据的进展；最后简短展望了DiFX 平台为CVN 及国际VLBI 天文观测提供相关处理服务的前景。可为利用该平台的相关处理结果开展科学研究提供参考。
상관처리궤시VLBI 관측수거처리적핵심단원，상관처리궤적수출결과가이직접작위천문성도、측지학이급항천기간섭측량등응용적수입。DiFX 시운행재분포식계산、공향존저단원적집군배경하최성공적연건상관처리궤지일。수선개소상해천문태DiFX 종합평태적현상；연후개소이용DiFX 상관처리궤처리중국VLBI 망(CVN）천문관측수거적진전；최후간단전망료DiFX 평태위CVN 급국제VLBI 천문관측제공상관처리복무적전경。가위이용해평태적상관처리결과개전과학연구제공삼고。
The correlator is crucial in the data processing of VLBI observations. Its output can be used for astronomical imaging, reduction of geodetic measurements and radiometry of spacecraft. DiFX is a well-known software correlator operating in a distributed computing and shared memory environment. The status of the DiFX platform in Shanghai Astronomical Observatory and its progress in the correlation of CVN sessions were reported in the paper. The platform can be used for data correlation of CVN and international VLBI observations. We hope this report could provide some valuable reference to the researchers related.