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为支持汽车半消声室的设计与建设,促进汽车NVH(Noise、Vibration、Harshness,噪声、振动与声振粗糙度)性能开发能力的提高,依据某汽车半消声室建设项目,提出汽车半消声室的技术指标要求和结构设计方案,针对汽车半消声室建设过程中应注意的要点进行说明,给出消声室声学指标的测量方法和验收标准,对汽车半消声室建设提出建议。
In order to support the design and construction of the semi-anechoic chamber and to promote the development of the automotive NVH (Noise, Vibration, Harshness, Noise, Vibration and Harshness) performance development capability, according to a car semi-anechoic chamber construction project, Anechoic chamber technical requirements and structural design of the program, for car semi-anechoic chamber construction process should be noted that the key points are given anechoic chamber acoustic indicators of the measurement methods and acceptance criteria for the car semi-anechoic chamber construction proposed Suggest.