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讨论了如何采用小波变换对工程信号进行时- 频分析的方法,给出了小波变换时- 频窗位置及大小与尺度及信号采样间隔的定量关系。
The paper discusses how to use wavelet transform to carry out time-frequency analysis of engineering signals, and gives the quantitative relationship between the position and size of wavelet transform, the scale and the scale and the signal sampling interval.