The current research status of the HF variation of EOP is reviewed including the determination of the HF variation of EOP based on VLBI and GPS observations and the excitation explanation.

• 对地球定向参数高频变化的研究现状进行了调研，包括基于VLBI和GPS实测资料对EOP高频变化的测定以及对高频变化的机理解释等内容。