The normalized full gradient and phase of gravity anomalies have been studied by potential field conversion and fast Fourier transform in wave-number domain.
用波数域的位场转换和快速傅立叶变换理论研究重力归一化总梯度和归一化相位；
This method may also be used for analysis of potential-field continuation conversion.
该方法可直接用于位场的延拓变换分析。
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