Changchun, 13 June, 2008 - Sonus, a leader in NVH engineering in China, today announced that the company, in cooperation with Lotus Engineering, has successfully completed a project with Beiqi Foton Motor in the noise source identification of a gasoline engine. Employing near-field acoustic holography (NAH) in the diagnosis process, the noise sources were accurately identified, allowing further NVH refinement on the engine by the car manufacturer.




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