潮汐调和常数是测绘学科专业名词，属于海洋测绘，常用于计算深度基准。依据潮汐调和分析方法计算得到某一地点分潮的平均振幅和迟角值。是水文特征值之一，反映地点或港口地理特点的若干分潮的迟角和振幅。
模拟所得的潮汐调和常数同实测值相比，误差较小。
The error of tidal harmonic constant in simulation is slight as compared with the observed value.
根据所得潮汐调和常数对卫星高度计测得的海面高度进行潮汐订正，进而得到南海各季节的海面高度距平。
The sea surface height anomaly (SSHA), which is obtained after tidal correction based on the tidal results of this paper, is predominated by seasonal alternating monsoons.
为了提高天文潮推算的精度，必须采用最接近推算年份的调和常数进行潮汐推算。
In order to improve the tide prediction, it is necessary to use new tide constants obtained from the nearest tide data.
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