1981-08-01

Pass-By Noise Analysis 810855

A system for analyzing results from vehicle pass-by noise tests is presented. Features of the system include data telemetry, narrow band frequency analysis, order analysis, portability and efficient data management through the use of computer based data reduction and display graphics. The system has been implemented and utilized in a development program for reduction of noise emissions from heavy-duty diesel trucks.

SAE MOBILUS

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