2024
DOI: 10.3390/buildings14051250
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Mathematical and Physical Characteristics of the Phase Spectrum of Earthquake Ground Motions

Yanqiong Ding,
Yazhou Xu,
Huiquan Miao

Abstract: This study presents a rigorous investigation into the mathematical and physical properties inherent in the Fourier phase spectrum of earthquake ground motions. This exploration includes a detailed examination of the probability distribution of phase angles and differences, elucidated through two novel numerical experiments utilizing the reduction ad absurdum approach. Moreover, the study scrutinizes the physical attributes of earthquake ground motion’s phase spectrum, employing the circular frequency-dependent… Show more

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