倒频谱的英文

cepstrum

• 倒:    reverse
• 频谱:    frequency spectrum ...
• 倒频谱分析:    cepstrum analysis

例句与用法

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1. The inverse spectrum analysis of rolling bearing fault
   滚动轴承故障的倒频谱分析
2. Utilize cepstrum and diagnose the early fault of the hydraulic pump
   利用倒频谱诊断液压泵早期故障
3. Application of inverted frequency spectrum in computer - aided diagnosis system
   倒频谱在计算机辅助诊断系统中的实现
4. 3 . the frequency differences are determined by both the power spectral density ( psd ) and cepstrum of ambient vibration measurements . a matlab - based toolbox is developed , in which the differences of the higher adjacent frequencies can be easily evaluated
   3 .使用功率谱频差法和倒频谱频差法，开发了基于matlab平台的斜拉索环境振动基频识别gui工具箱。
5. It is stressed in this paper the analysis methods used in vibration faults of average power spectrum and cepstrum , based on the fast fourier transform algorithm , and development of the vibration signal analysis system in test - driving of wj6 engine , involved the technic of software or hardware
   文章重点给出基于fft技术的功率谱和倒频谱分析方法、振动信号分析系统的设计和实现，讨论了相应软件开发中所涉及的技术问题。

百科释义

倒频谱（cepstrum），顾名思义，就是将频谱（spectrum）的英文前四个字母反过来写。倒频谱是为了某些时候，为了计算方便，将原来信号的频谱先转成类似分贝的单位，再作傅立叶变换，把它视为一种新的讯号做处理。倒频谱有复数倒频谱，及实数倒频谱。