Signal Processing of Frequency-Domain Blocks Adaptive Filtering for the Leak Detection in Water Supply PipeReportar como inadecuado




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The leak signals have a lot of disadvantages, such as low amplitude, wide dynamic range, mixed with ambient noise. Confronted with these challenges, frequency-domain blocks adaptive filtering is used to filter out the noise. The simulationg results show that frequency-domain blocks adaptive filtering method has good filtering effect and faster signal processing speed in comparison with the LMS adaptive filtering.

KEYWORDS

leak detection; signal processing; frequency-domain blocks adaptive filtering;

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Autor: Cuiying Dong, Junshuang Ma

Fuente: http://www.scirp.org/



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