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RESEARCH PAPERS: Vibration and Sound

Advanced Techniques for Measuring Structural Mobilities

[+] Author and Article Information
J. A. Fabunmi

AEDAR Corporation, 8302 Stanwood St., New Carrollton, MD 20784

F. A. Tasker

Aerospace Engineering Department, University of Maryland, College Park, MD 20742

J. Vib., Acoust., Stress, and Reliab 110(3), 345-349 (Jul 01, 1988) (5 pages) doi:10.1115/1.3269523 History: Received January 15, 1988; Online November 23, 2009

Abstract

A unified formulation of the equations for estimating structural frequency response functions is presented. The more popular approaches are shown to be special cases of a general equation which involves a weighting function, the proper selection of which can yield substantial improvements in the accuracy and efficiency of the measurement process. The theoretical basis for selecting the weighting function is also presented, along with experimental results which confirm the expected improvement in accuracy of the advanced formulations over existing methods.

Copyright © 1988 by ASME
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