本文以某小型轿车的电子真空泵为对象,通过电子真空泵产生噪音和整车噪音的关系,提出车用电子真空泵噪音的分析和优化方法,以达到整车NVH的目标和要求。 In this paper, an electronic vacuum pump for a small car is taken as an object, the relationship between the noise produced by the electronic vacuum pump and the noise of the vehicle is analyzed, and the noise analysis and optimization method of the electronic vacuum pump for the vehicle is proposed to achieve the goal and requirements of the vehicle NVH.