It is significant to analyze the stability of the CMONOC station,which has im-portant significance for maintaining the high precision 3D datum.This paper handles six CMONOC station with more uniform in North China area,and analysis the overall stability of the station and the stability of single station.It is obtained that the overall stability of the CMONOC station is not only good,but also the stability of a single station.%分析陆态网测站稳定性，对维持其高精度三维基准具有重要意义。本文通过华北地区六个分布较为均匀的陆态网测站进行数据处理，对华北地区陆态网测站整体稳定性和单个测站稳定性进行分析，得到陆态网测站不仅整体稳定性良好，单个测站也有较好的稳定性。
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