The results of real vehicle test show that utilizing transfer characteristics model can identify the main noise and vibration sources and their contribution to exterior acceleration noise of vehicle.
实车试验结果表明，利用传递特性模型可以确定车外加速噪声的主要振源、声源及其贡献。
A specialized noise test bench of automobile cooling fan was designed to carry out the bench test and the outer vehicle acceleration noise test also was conducted.
设计制造了发动机冷却风扇噪声性能测试专用试验台，用于冷却风扇的台架试验。
After cleaning, the vehicle road test to determine the engine in the course of no abnormal noise.
清理完毕后，进行车辆路试，以确定发动机在行驶过程中无异常噪音。
应用推荐