Under certain conditions, the operator of anomaly separation is simply an upward continuation operator.
在一定条件下，异常划分算子就是向上延拓算子。
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。
Fourier finite difference operator can be adopted to ensure good fidelity of seismic wave field in wave field continuation of complicated geology structure, bringing high quality image.
利用傅里叶有限差分算子可保证在复杂构造的波场延拓中，地震波场不失真，成像质量高。此外，本文对傅里叶有限差分算子作了必要的优化。
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