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在潮汐倾斜的实际观测中,较普遍地出现大的相位差和南北分量的明显异常,以及同一测站不同仪器的观测结果之间的明显差别。这些现象不能用热效应和海潮的间接影响来解释,本文对其可能原因作了理论上的分析,最后得出:由于大多数潮汐倾斜测站处于中纬度地带,南北分量相对地幅度较小、空腔效应和摆杆定向不准均可能导至上述异常。
In the actual observations of tidal tilt, the large phase differences and the apparent anomalies of the north and south components, as well as the significant differences between the observations of different instruments at the same station, are more commonly observed. These phenomena can not be explained by the indirect effects of thermal effects and tides. This paper makes a theoretical analysis of its possible causes. Finally, we conclude that since most tidal tilt stations are located in the middle latitudes, the north and south components are relatively small in magnitude and empty Cavity effects and misalignment of the pendulum may lead to the above anomalies.