After comparing the FFT (fast Fourier transform) and WT (wavelet transform), this paper gives the selection firstly. WT is chosen to analyse the pressure response signal from the EHS.
本论文在试验阶段，首先对傅立叶变换和小波变换进行了对比，选择用小波变换来分析从电液伺服系统提取的压力信号。
After comparing the FFT (fast Fourier transform) and WT (wavelet transform), this paper gives the selection firstly. WT is chosen to analyse the pressure response signal from the EHS.
本论文在试验阶段，首先对傅立叶变换和小波变换进行了对比，选择用小波变换来分析从电液伺服系统提取的压力信号。
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