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中文核心期刊

ZHANG Qiang, WANG Huaming, HU Zhangwei. Analysis for helicopter noise signal based on wavelet transform[J]. ACTA ACUSTICA, 2001, 26(5): 450-454. DOI: 10.15949/j.cnki.0371-0025.2001.05.013
Citation: ZHANG Qiang, WANG Huaming, HU Zhangwei. Analysis for helicopter noise signal based on wavelet transform[J]. ACTA ACUSTICA, 2001, 26(5): 450-454. DOI: 10.15949/j.cnki.0371-0025.2001.05.013

Analysis for helicopter noise signal based on wavelet transform

  • Helicopter noise features under typical fly state were investigated based on wavelet transform. The contri-bution of blade-vortex interaction (BVI) to helicopter noise and low frequency oscillation beat was shown clearly from the detail of wavelet decomposition for helicopter noise signal.
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