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Reconstruction of sound field in aircraft cabin based on sound pressure matching method
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Gaoyu FAN1, Yahui SONG1, 2, Yuanming ZHAO1, Xiaolu LI1, Xiaoliang ZHANG1, Hong HOU3
Journal of Vibration Engineering | 2025, 38(7) : 1378 - 1384
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Journal of Vibration Engineering | 2025, 38(7): 1378-1384
Reconstruction of sound field in aircraft cabin based on sound pressure matching method
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Gaoyu FAN1, Yahui SONG1, 2, Yuanming ZHAO1, Xiaolu LI1, Xiaoliang ZHANG1, Hong HOU3
Affiliations
  • 1.Institute of Aircraft Flight Test Technology，Chinese Flight Test Establishment，Xi’an 710029，China
  • 2.School of Aeronautics，Northwestern Polytechnical University，Xi’an 710072，China
  • 3.School of Marine Science and Technology，Northwestern Polytechnical University，Xi’an 710072，China
Published: 2025-07-10 doi: 10.16385/j.cnki.issn.1004-4523.202311053
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Reconstructing the sound field environment inside the aircraft cabin during actual flight in a laboratory environment can provide a means for analyzing the acoustic environment inside the aircraft cabin，subjective evaluation，and noise reduction design. Based on the principle of sound pressure matching，this paper adopts a regularization method based on the L-curve method to solve the problem of inverse transformation of ill conditioned matrices. The effectiveness of the method in solving ill conditioned problems and improving reconstruction accuracy is demonstrated through simulation examples. Independently designed and built an aircraft cabin sound field reconstruction system. Conduct flight tests on transport aircraft，measure the noise at the pilot’s ear position under typical flight conditions，and use it as the target sound field. By using the sound pressure matching method，the full flight profile sound field reconstruction was achieved through the aircraft cabin sound field reconstruction system. Through sound field reconstruction experiments and subjective evaluation experiments，it shows that the reconstruction error in each frequency band of the one-third octave band is within 3 dB （A），and the subjective auditory fidelity and restoration are relatively high，providing support for subsequent analysis and subjective evaluation of the aircraft cabin acoustic environment.

sound pressure matching method  /  cabin sound field  /  sound field reconstruction  /  subjective evaluation  /  transport aircraft
Gaoyu FAN, Yahui SONG, Yuanming ZHAO, Xiaolu LI, Xiaoliang ZHANG, Hong HOU. Reconstruction of sound field in aircraft cabin based on sound pressure matching method[J]. Journal of Vibration Engineering, 2025 , 38 (7) : 1378 -1384 . DOI: 10.16385/j.cnki.issn.1004-4523.202311053
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Article Info
doi: 10.16385/j.cnki.issn.1004-4523.202311053
  • Receive Date：2023-11-28
  • Online Date：2026-02-09
  • Published：2025-07-10
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History
  • Received：2023-11-28
  • Revised：2024-01-31
Affiliations
    1.Institute of Aircraft Flight Test Technology，Chinese Flight Test Establishment，Xi’an 710029，China
    2.School of Aeronautics，Northwestern Polytechnical University，Xi’an 710072，China
    3.School of Marine Science and Technology，Northwestern Polytechnical University，Xi’an 710072，China
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