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在桃花吐短水准流动资料干扰因素研究的基础上，对该点台站水准观测资料作了排除干扰、提取异常信息研究。认为地下水位和冻土深度变化是该点跨断层测线高差变化的主要干扰源；该点水准趋势、短期异常不明显。对基岩标的抗干扰能力、干扰排除的复杂性等作了讨论。
Based on the research on the interference factors of peach spit short-level mobile data, this paper made a research on eliminating the interference from the observed data of the station level and extracting the anomaly information. It is considered that the change of groundwater level and frozen soil depth is the main source of variation of the elevation difference of the cross-fault line at this point. The trend of this level is not obvious in the short term. The anti-interference ability of base rock and the complexity of interference elimination are discussed.