Method for analyzing and predicting noise outside car
A prediction method and technology of external noise, applied in the field of vehicle engineering, can solve difficult problems such as external noise and prediction
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[0100] The present invention is described in detail below in conjunction with accompanying drawing:
[0101] With the continuous increase of the number of automobiles, in order to reduce the environmental pollution of automobile exterior noise and the impact on people's life and health, the car exterior noise analysis and prediction method of the present invention is based on the national standard GB1495-2002 "Automotive Acceleration According to the provisions of Limits and Measurement Methods of Exterior Noise of Driving Vehicles, statistical energy analysis (SEA) technology is used to analyze and predict the exterior noise of cars. It enables the car to analyze and predict the noise outside the car in the product development and design stage, that is, before the prototype car is developed, so as to provide a basis for the control of the noise outside the car. The invention can shorten the development cycle of the car product, reduce the development cost, and make the extern...
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