二维中值滤波在电磁测深曲线去噪中的应用

THE NOISE ELIMINATION OF ELECTROMAGNETIC SOUNDING DATA USING 2D MID-VALUE FILTERING

作者针对目前点距较密的电磁测深 (如 CEMP)数据处理问题 ,提出并应用二维中值滤波方法进行数据处理。通过与传统去噪方法相比较 ,该方法对于压制或消除实测数据中的随机干扰以及强工业电磁干扰的效果更好 。

In the paper, a method of noise elimination using 2D mid-value filtering has been developed for the data processing of electromagnetic sounding(CEMP) by analyzing some existing noise elimination techniques. The method is much more efficient for depressing or eliminating the random noise and high industry EM interferes in the measure data than traditional ones, and at the same time is effective to static shift correction, too.