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期刊论文
Pseudo-excitation algorithm for nonstationary random seismic responses
Nonstationary random seismic responses: J. H. Lin et al. Engng Struct. 1994, Volume 16, Number 4，-0001，（）：
A simple and accurate algorithm for nonstationary responses of structures subjected to evolutionary random seismic excitation is presented as an extension of the pseudo-excitation method for stationary random seismic responses. The analyses of various time-dependent auto- or cross-power spectral density (PSD) functions have simple and unified formulae. For some important envelope functions, time-dependent PSD functions can be calculated by means of simple frequency-domain analyses.
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