Cepstrum Analysis and Gearbox Fault Diagnosis
4 shows a typical cepstrum obtained in this way from the sound power spectrum of an electric drill (primarily gear noise). F. Since the analyzer output voltage ...
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4 shows a typical cepstrum obtained in this way from the sound power spectrum of an electric drill (primarily gear noise). F. Since the analyzer output voltage ...
The equivalent spectrum, called the Liftered Spectrum, can be found by applying an FFT to the lif- tered cepstrum. The data flow is shown in Fig.1. The cepstrum ...
One of the earliest applications of the cepstrum was in speech analy sis, with the aim of detecting the harmonic structure of voiced sounds and measuring voice ...
The methods – Time Synchronous Averaging, Periodogram-based and. Cepstrum-based ... echoes: cepstrum, pseudo-autocovariance, cross-cepstrum, and shape cracking".
When the instrument is used in vidual analyses can be varied from. Fig. 1 shows the result of such a the 0 — 5kHz range the time. 80ms (i.e. 10 spectra per scan).
Chapter 7 covers dual channel FFT analysis, while. Chapter 8 covers Cepstrum analysis. In the intervening years there have been considerable developments in ...
1-1978 Digital Filters and FFT Technique in Real-time Analysis. 4-1977 General Accuracy of Sound Level Meter Measurements. Low Impedance Microphone Calibrator ...
Cepstrum Pitch Determination. J.A.S.A.. Vol. 41, No.2, 1967. 18. Page 21. Appendix A. Cepstrum Analysis. The increase in amplitudes of sidebands and harmonics ...
Type. 7910 is a bundle of PULSE application software dedicated to machine diagnostics. There are three bundles to choose from. Benefits and Features. Benefits.
It will be shown that the use of a sound level meter made to IEC 651 gives more accurate results for free-field measurements where the direction of sound is ...
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