Spectrum zoom technique and power cepstrum are two important aided methods in vibration signal analysis.
频谱细化技术和功率倒频谱是振动信号分析的两种重要辅助方法。
To use power cepstrum, the transfer function is smoothed. Effect of identifying of cylinder pressure is increased.
结合功率倒谱技术，平滑了传递函数，提高了气缸压力的识别效果。
Sample the radial and axial vibration of the blade, and carry on power cepstrum, frome a new ID saw blade slicing till to its invalidation;
采集从新锯片开始锯切到失效整个过程中，锯片径向和轴向振动信号。
Using power cepstrum the weaker periodic signal can be recognized, and the side frequency of modulation signal can be recognized effectively.
倒频谱可以识别信号中较弱的周期成分，并对识别调制信号的边频县有特殊的效果。
Cepstrum analysis is introduced to order analysis in efforts to identify the periodic information hidden in the power spectrum.
将倒频分析引入阶次分析中，以检测出功率谱中难以辨识的周期性。
With auto-power spectrum and cepstrum, this paper diagnoses the unusual noise source of the gear box, and finds an impaired gear of the box.
本文采用自功率谱、逆频谱方法对拖拉机变速箱异常噪声源进行了诊断，找出了产生异常噪声的根源。
With auto-power spectrum and cepstrum, this paper diagnoses the unusual noise source of the gear box, and finds an impaired gear of the box.
本文采用自功率谱、逆频谱方法对拖拉机变速箱异常噪声源进行了诊断，找出了产生异常噪声的根源。
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