Cepstrum analysis in condition monitoring of structures

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Ayisha Nayyar
Ayisha Nayyar 2019 年 9 月 2 日
Hi, everyone.
I am using cepstrum analysis, for output only vibration analysis of structures for damage detection. I have time domain vibration data in form of a (4096x2) matrix. The problem is when i apply cceps command, the following error comes.
Error in cceps>rcunwrap (line 147)
y(:) = y(:)' - pi*nd*(0:(n-1))/nh;
Error in cceps (line 80)
[ah,nd] = rcunwrap(angle(h));
Please help me out in eliminating this error/ send helpful material that how to use cepstral analysis on vibration data by using MATLAB.

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