The formulas of calculating the tidal coefficient and lag time are developed, and the corrected formulas of lag influence of tide in the well level are given.
导出了计算固体潮系数和滞后时间的公式，给出了考虑滞后影响的井水位固体潮校正公式。
A harmonic analysis for short data series is suggested to check the variation of the sensitivity and phase lag during the tidal observations.
为检验潮汐观测期间灵敏度及相位的变化，提出一种短资料的调和分析方法。
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