桑塔纳2000型后部噪声的识别和降噪

Identification and Noise Reduction of Santana 2000 Rear Noise

本文对桑塔纳2000后部噪声的噪声源进行了分析和识别,并介绍了根据不同的噪声源所采取的相应的降噪措施、降噪样板车的制作、降噪效果的试验验证和降噪效果的鉴定。经专家组鉴定,降噪效果很好,后部噪声水平达到当今国际同类轿车的水平。

The noise source of Santana 2000 rear noise is i-dentified and analyzed in this paper. According to different noise sources, the related measures for reducing noise and the manufacture of noise reduction prototype vehicle are introduced. The results of reducing noise test is verified. It is appraised by the experts that the results of noise reduction are excellent and have reached the world levels.