frequency amplitude domain analysis
频幅域分析
以上为机器翻译结果，长、整句建议使用 人工翻译 。
The frequency and amplitude and phase of discrete spectral lines can be calculated through two DFT analyses one after another, which is one complex time domain signal analysis virtually.
相继两次DFT分析（实为一次复时域信号分析）可精确确定诸分立谱线的频率、幅度与相位。
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