The paper utilizes fundamental colorimetry principle to analyze four - prima system and proposes a design method of four - prima color television system in details as well as relevant compatible problems 摘要依据色度学分析方法，选择四基色系统进行分析，给出了完整的四基色彩色电视系统的设计步骤，及与三基色系统兼容的相关方法。
