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Performance degradation trend analysis (PDTA) using time series is often applied to estimate the remaining useful life (RUL) of a system or device in reliability assessment. Singularity arising in the degradation data, however, frequently give rise to a bad decline in prediction accuracy of time series, which is a great challenge for prediction of degradation time series data. To address this issue,...
The main purpose of this paper is to analyze the instability in waveform reconstruction from non-uniformly sampled signals generated by recurrent non-uniform discrete-time sampling scheme. From the applied equation, the matrix of conversion, [A], associates the uniformly sampled signals to non-uniformly sampled ones, and plays a key role in the reconstruction. To recover the uniformly sampled signals,...
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