In this paper the main noise source of SQ6450 type light car was judged by means of spectrum and correlation analysis of noise signal.The corresponding proposal reducing noise was presented.

 
  • 对SQ6450轻型汽车进行了噪声测试,通过对噪声信号的频谱分析和相干分析,找出了主噪声源,并提出了降噪措施。
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