Normalization method of ultrasonic testing signal, the advantages and disadvantages of time domain, frequency domain were discussed.
探讨了超声波检测信号归一化处理的方法，以及时域信号归一化和频域信号归一化的优缺点。
Thus, as compared with the conventional time-normalization method, the proposed technique ensured the accumulation coherent of the signal energy could be.
与通常使用的时间尺度归一化技术相比，所提出的技术保证了信号能量的相干积累。
Secondly, the de-nosing problem and the normalization processing problem of the OFSMI signal are studied, according to the specific requirement for the signal at moderate optical feedback level.
其次，针对适度光反馈水平下参数测量对信号特征点的要求，研究了信号的去噪问题及归一化处理问题。
Secondly, the de-nosing problem and the normalization processing problem of the OFSMI signal are studied, according to the specific requirement for the signal at moderate optical feedback level.
其次，针对适度光反馈水平下参数测量对信号特征点的要求，研究了信号的去噪问题及归一化处理问题。
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