一、加速时车内噪声的特性行驶中的汽车车厢内,发出各种各样的噪声,如发动机噪声、齿轮噪声、气流噪声和负载噪声等。这些噪声颇使乘者不舒适。本文主要研究发动机噪声中的所谓“格罗,格罗”这一浑浊周期性的不悦耳的噪声(以下简称“格罗”声)特别是在加速行驶时。 First, the acceleration of the characteristics of the car noise Driving in the car, issued a variety of noise, such as engine noise, gear noise, airflow noise and load noise. These noises make the riders uncomfortable. This article focuses on the so-called “gloroghlo”, a muddy, periodic, unpleasant noise in engine noise (hereafter referred to as “gros”), especially when accelerating.