power cepstrum 中文意思是什麼
power cepstrum
解釋
功率倒頻譜-
The signal process function of the software include these function : digital filter, windowing, auto - correlation function and cross - correlation function, mean and variance, probability density function and probability distribution function statistic ; auto - power spectrum, cross - power spectrum, frequency response function, coherence function, cepstrum analysis based on fft ( fast fourier transfer ) ; joint time - frequency analysis based on stft ( short - time fourier transfer )
軟體的處理功能包括：數字濾波、時域加窗、自相關與互相關處理、均值和方差計算、概率密度和概率分佈函數計算；在快速傅立葉變換（ fft ）基礎上計算自功率譜、互功率譜、頻率響應函數、相干函數、倒頻譜分析；基於短時傅立葉變換（ stft ）的聯合時頻分析等。 -
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 .使用功率譜頻差法和倒頻譜頻差法，開發了基於matlab平臺的斜拉索環境振動基頻識別gui工具箱。 -
It has the functions of collecting vibration signal power spectruiru cepstrum and transfer function analysis and so on with the pcl _ 1800. at the same time, the system can convert the data into the corresponding graph
本系統是windows界面下的狀態監測與故障診斷系統，它在數據採集卡pcl1800的支持下，可以完成振動信號的數據採集以及功率譜、倒譜、譜陣和相干函數分析等功能。 -
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
文章重點給出基於fft技術的功率譜和倒頻譜分析方法、振動信號分析系統的設計和實現，討論了相應軟體開發中所涉及的技術問題。
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