求翻译：其次，采用傅立叶变换的方法提取各种故障波形的各次谐波分量作为故障诊断的特征参数，然后对故障波形的频谱特征进行分析，将其用于故障样本的编码中。是什么意思？

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Secondly, the Fourier transform of the methods to extract the fault of the waveform at the harmonic component as part of the troubleshooting of the characteristic parameters, and then the waves of the spectrum characteristics for analysis to be used for the sample code.

Next, uses the Fourier transformation the method to withdraw each kind of breakdown profile various subharmonics component to take the breakdown diagnosis the characteristic parameter, then carries on the analysis to the breakdown profile frequency spectrum characteristic, uses in it the breakdown s

Secondly, using Fourier transform methods to extract various fault waveform of each harmonic components as characteristic parameters of fault diagnosis, spectrum characteristics and fault waveform analysis, be used for fault codes.

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