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- W1587686926 abstract "It is necessary to collect and analyze a huge amount of mechanical vibration data for the diagnosis of rotating machinery used in thermal plants or factories. In this paper, we try to compress these mechanical vibration data in order to utilize them efficiently in a rotating machinery diagnostic system. For that purpose, we apply a wavelet transform that is used in various data compression systems. In this paper, we use orthonormal wavelets constructed by Daubechies. Moreover, we construct a requantizer to optimize bit allocation under the given permissible distortion. Finally, we apply the proposed method to actual mechanical vibration data for evaluation of its performance. For comparison, another data compression method using discrete cosine transform is applied as well. As a result, the proposed" @default.
- W1587686926 created "2016-06-24" @default.
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- W1587686926 date "1997-04-01" @default.
- W1587686926 modified "2023-09-25" @default.
- W1587686926 title "APPLICATION OF WAVELET TRANSFORM TO COMPRESSION OF MECHANICAL VIBRATION DATA" @default.
- W1587686926 doi "https://doi.org/10.1080/019697297126164" @default.
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