We present the multi-frequency VLBI polarimetric observations of a QSO NRAO 530. This thesis introduces the origin of radio polarimetric research, its development, the theoretical model and its contribution to the radio astronomy.

• 本文对活动星系核NRAO530进行多波段VLBI偏振测量研究，首先介绍射电偏振研究的产生、发展、理论依据和模型以及对射电天文的贡献，在数据观测和处理方面我们详细讨论VLBA偏振观测、数据处理以及结果分析。