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车内噪声品质的主观评价与客观分析

DOI: 10.3969/j.issn.1674-0696.2014.04.30, PP. 147-150

Keywords: 车辆工程,声品质,车内噪声,心理声学,偏好性,主客观评价度,vehicleengineering,soundquality,vehicleinteriornoise,psycho-acoustic,preference,subjectiveandobjectiveevaluation

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Abstract:

:?以4种类型轿车在不同车速下匀速行驶时不同位置点采集到的车内噪声样本为评价对象,采用成对比较法对车内噪声品质偏好性进行了主观评价试验,分析计算了各噪声样本的心理声学客观参数;在精确计算评价结果误判率的基础上,通过相关分析和线性回归分析,建立了匀速工况下车内噪声主观评价结果与心理声学客观参数间的数学模型。研究结果表明:在良好路面和匀速工况下车内噪声品质主要受响度和尖锐度两个心理声学客观参数影响。

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