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- W4200460478 abstract "Abstract In view of the on-line inspection mode of transformer voiceprint information during operation, an optimistic location method is proposed to assist the acoustic print diagnosis for fault identification, location and further evaluation work. Firstly, according to the directional location algorithm of antenna array (Beamforming), traditional directional location is extended to general spatial location. Then on the basis of TDOA(Time Difference Of Arrival) algorithm of time domain signal characteristic analysis, integrated weighted processing and data centralization, on the one hand, reduce the edge value, on the other hand, correct the trend of bad data, and improve the existing cross-correlation operation. The simulation results show that the optimized beam-based and weighted TDOA algorithm has excellent performance in 2D localization of transformer voiceprint. These research results can provide a basis for transformer online monitoring and voice print diagnosis." @default.
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- W4200460478 date "2021-12-01" @default.
- W4200460478 modified "2023-09-27" @default.
- W4200460478 title "Optimistic locating method of transformer voiceprint based on beam and delay algorithm" @default.
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- W4200460478 doi "https://doi.org/10.1088/1742-6596/2137/1/012072" @default.
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