采用最小二乘法，对水位数据进行调和分析。可同时处理多个站点的水位调和分析，站点个数不限，在输入文件中可更改分潮个数。-Least squares method, the water level data for harmonic analysis. Can simultaneously handle multiple sites water harmonic analysis, number of sites not limited to, change in the input file, t