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。
Methods EEG and EEG power spectrum were recorded in conscious rabbits with chronical implanted electrodes.
方法利用慢性埋藏电极记录清醒家兔海马和脑皮层eeg及功率谱。
Spectrum zoom technique and power cepstrum are two important aided methods in vibration signal analysis.
频谱细化技术和功率倒频谱是振动信号分析的两种重要辅助方法。
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