中国运输机发展史:英文翻译

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然后,利用MATLAB对信号进行傅立叶变换,由时域转换到频域,对含有噪声的信号进行频谱分析和去噪。

Then, carries on the Fourier transformation using MATLAB to the signal, transforms the frequency range from the time domain, to includes the noise signal to carry on the spectral analysis and the denoising.