Powertrain NVH Awareness.part1.rar

Objectives:
> Define NVH - related acoustic and vibration terms
> Decribe the principle systems which contribute to airborne and structure-borne noises
> Explain 4 basic causes of engine vibration
> Explain powertrain resonance
> Identify prominent noise sources
> Interpret waterfall plots
> Explain order analysis and order tracking
> Describe the modal analysis procedure
> Recount current trends in sound quality

这个资料价格有点高呀，看看效果如何