城市公交车厢内噪声监测与分析

摘要

This paper performs noise measurement for an interior bus and analyses the noise quality. Evaluating the noise quality by the Leq(A) and the room noise rating indices. Leq(A) doesn't reflect the bus interior noise quality accurately. The result of the room criteria curves and the passengers' feeling have a correlation.%主要对城市公交车厢内的噪声进行监测分析,用等效连续A声级和室内噪声评价指标对监测数据进行分析,评估车厢内的声音品质.结果表明,单纯用A声级不能准确反映公交车厢内的噪声污染状况,用室内噪声标准NCB曲线分析的结果与乘客的主观感受相关性良好,建议用A声级和NCB标准曲线综合考虑制定公交车厢内的噪声标准.