Most magnetotelluric data processing methods make the Fourier transform of a segment record to get a power spectrum then to solve for tensor impedance element.
大地电磁资料处理方法大多数都是对一段记录做傅氏变换，构成功率谱后再求张量阻抗元素。
Although the magnetotelluric method applied to the land is mature, the application to the seabed is not a simple transplant of the methods.
对于陆上已广泛使用且采集技术已较为成熟的大地电磁测深法来说，该方法在海洋中的应用并不是一个简单的方法移植问题。
Two methods of the magnetotelluric impedance measurement are provided in this paper. That is, frequency conversion and DFT.
介绍了两种大地电磁阻抗测量方法，即变频法与DFT分析法。
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