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- W2366448837 abstract "Aiming at the limitation of conventional cross-correlation algorithms for time-delay estimation,a cross-correlation algorithm for time-delay estimation based on independent component analysis(ICA) for locating petroleum pipeline abnormal vibration events was proposed,it was used in the distributed optical fiber petroleum pipeline safety detection system for the safety of pipeline.During the pipeline detection,the environment was very complicated,the correlated Gaussian noises impacted the accuracy of time-delay estimation.ICA had good effect on removing the Gaussian interference and could protect available signals effectively.Using the de-noised signals with ICA,the cross-correlation analysis for time-delay estimation was conducted with the proposed method,the correlated Gaussian noises were suppressed effectively.Finally,compared with the results of the conventional cross-correlation algorithms,the simulation results and the signals obtained from tests proved that the proposed method can decrease the average error and mean square deviation of the time-delay estimation and improve locating accuracy and consistency." @default.
- W2366448837 created "2016-06-24" @default.
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- W2366448837 date "2011-01-01" @default.
- W2366448837 modified "2023-09-23" @default.
- W2366448837 title "A locating method for petroleum pipeline abnormal vibration events based on independent component analysis" @default.
- W2366448837 hasPublicationYear "2011" @default.
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