【摘要】 短水准资料中的降雨干扰相当可观.本文详细讨论了这种干扰的影响机制和影响特点,尝试用褶积运算方法建立单位降雨量影响模式和降雨总影响模型,并提出运用褶积滤波方法消除测值中降雨影响的具体方法.作者以新丰江测量站的资料为例进行了整套计算。结果表明,此模式能真实地再现资料受降雨影响的情况.用此法消除降雨影响后,测值恢复了正常的年变化形态,提高了资料的分析使用价值.更多还原

【Abstract】 The disturbance of preciqitation is rather considerable in measuring short-levelling. In this paper, the influence mechanism and feature of this disturbance have been discussed in detail, and the models of influence of unit rainfall and total precipitation have been built experimentally by convolutional operation, and a specific method to eliminate the effect of precipitation was given by convolution filtering.A set of calculation taking the data of Xinfengjiang station as the exa-mple was completed. The result indicated that the model can really reflect the case of the influence of precipition on the data. After eliminating the effect of precipitation by the method, the normal annual-change of the observing values appeared, and analyzing and using value of the data was raised.更多还原