Transfer Path Analysis & Noise and Vibration Diagnostics


Jianmin Guan

 Jianmin Guan– Senior Program Manager-Noise, Vibration & Harshness



 Noise and vibration are important characteristics in modern life. For example, we experience noise and vibration every day when we drive to work, and they are important causes for component failures in airplanes and space vehicles. Therefore, it is important for us to understand how noise and vibration are transmitted and to find ways to reduce them.

Traditionally, noise and vibration problems are analyzed using the Modal Analysis approach. Vibration modes (or normal modes) are intrinsic ways a structure can sustain motion and carry energy. Each mode is typically associated with a

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