摘要
本文以太阳系质心参考系为基础推导了VLBI时延和引力延迟的后牛顿表达式;讨论了各天体对VLBI时延的影响量级及其作用范围;并根据地心参考系与太阳系质心参考系的坐标转换关系,给出了地心参考系中的VLBI观测模型.建议采用本文给出的(25)式和(16)式作为VLBI时延和引力延迟改正的计算公式.
The relativistic geometric time delay of VLBI is derived in the Barycentric Reference System (BRS). The discussions are made on the relativistic effects on various celestial bodies. The VLBI observation model in the Geocentric Reference system (GRS) is given by use of the transformation between the BRS and GRS, and the eqs. (25) and (16) are recommanded.
出处
《天文学报》
CSCD
北大核心
1992年第2期194-200,共7页
Acta Astronomica Sinica
基金
国家自然科学基金
