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Patent Searching and Data


Title:
VEHICLE WIND NOISE INSULATION PERFORMANCE EVALUATION METHOD, DEVICE, APPARATUS AND STORAGE MEDIUM
Document Type and Number:
WIPO Patent Application WO/2023/005741
Kind Code:
A1
Abstract:
Disclosed are a vehicle wind noise insulation performance evaluation method, a device, an apparatus and a storage medium. The method comprises: for a vehicle under test, performing image capture of a vehicle outer surface sound pressure level cloud map corresponding to each wind noise frequency band of at least two wind noise frequency bands, and, in accordance with a plurality of vehicle outer surface sound pressure level cloud maps, determining a vehicle outer surface total sound power level; performing a semi-anechoic test on the vehicle under test, obtaining sound transmission function data for each wind noise frequency band, and combining the plurality of vehicle outer surface sound pressure level cloud maps corresponding to the at least two wind noise frequency bands to determine a total sound pressure level at the outer ear of a driver; and, in accordance with the vehicle outer surface total sound power level and the total sound pressure level at the outer ear of the driver, determining a wind noise insulation performance estimated value for the vehicle under test.

Inventors:
LI DENGSHAN (CN)
LIU YINGJIE (CN)
DENG JIANJIAO (CN)
ZHAO JINGBAO (CN)
PAN ZUOFENG (CN)
ZHAO WEI (CN)
PAN DIANLONG (CN)
MA LONG (CN)
HU JIEHONG (CN)
ZHANG YANG (CN)
Application Number:
PCT/CN2022/106508
Publication Date:
February 02, 2023
Filing Date:
July 19, 2022
Export Citation:
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Assignee:
CHINA FAW CO LTD (CN)
International Classes:
G06F30/15; G06F30/20; G06F119/06; G06F119/10
Foreign References:
CN113505441A2021-10-15
CN111964776A2020-11-20
CN105716708A2016-06-29
DE102011119962A12014-04-30
Attorney, Agent or Firm:
BEIJING YZH IP FIRM (CN)
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