According to different correlation radii and averaged amplitudes of the corresponding gravimetric and magnetic anomalies, we can detect and separate out useful anomaly.

按照重磁异常不同的相关半径和平均幅值，可以实现对有效异常的识别和提取。

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A preferential continuation operator derived from Wiener filter and Green's equivalent layer principles is used to separate the anomaly caused by the shall.

从维纳滤波原理出发 ，应用多层格林等效层模型精确模拟实测重磁场的径向对数功率谱 ，实现了重磁场在频率域的优选延拓。

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