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TECHNICAL BRIEFS

Spectral Moments Calculation of Linear System Output

[+] Author and Article Information
P-T. D. Spanos

Department of Aerospace Engineering and Engineering Mechanics, University of Texas, Austin, Texas, 78712

J. Appl. Mech 50(4a), 901-903 (Dec 01, 1983) (3 pages) doi:10.1115/1.3167169 History: Received April 01, 1983; Online July 21, 2009

Abstract

The stationary output of a stable linear dynamic system to white noise input is considered. It is shown that the spectral moments of the output can be determined as the solution of a set of linear equations. The corresponding solutions are utilized for determining an improper integral which can be quite useful in random vibration analyses of linear dynamic systems.

Copyright © 1983 by ASME
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