Using the short-period conversion function and extracting local anomaly from the geomagnetic field, we have re-studied the variation of the geomagnetic field before and after the Heze 5.9 earthquake.
本文使用地磁短周期转换函数和提取地磁局部异常的方法，对菏泽5.9级地震前后地磁场的变化进行了再研究。
The data analysis integrates the two detection methods: anomaly and misuse, which provides corresponding detection models and introduces the noise filtering function.
数据分析融合了异常检测和误用检测两种方法，提出了相应的检测模型，并引入了滤噪函数。
Transfer function for reduction to pole can be used to reduce directional oblique magnetic anomaly to vertical magnetic anomaly in frequency (or wavenumber) domain.
在频率(波数)域中利用化极转换函数可以将具有方向性的斜磁化异常转换为方向性不明显的垂直磁化异常。
By using the method of improved hypotaxis function relation, the anomaly of radon in Dingxiang spring is evidently correlated to several strong earthquakes in North China.
采用“改进从属函数法”，其定襄水氡异常与华北多次强震有明显对应关系；
To improve the GPS leveling fitting accuracy of hilly terrain and to build the adaptive fitting model of the coverage, this article USES the multidimensional function method to fit the height anomaly.
为提高丘陵地区GPS水准拟合精度，建立适合当地测区的拟合模型，采用多面函数法对高程异常进行拟合。
Our results show that the subordinate function method can be used to identify the anomaly of groundwater level changes.
结果表明：模糊数学从属函数方法是提取水位异常的较好方法。
Our results show that the subordinate function method can be used to identify the anomaly of groundwater level changes.
结果表明：模糊数学从属函数方法是提取水位异常的较好方法。
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