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《Earthquake Engineering and Engineering Vibration》 1990-04
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A FAST ALGORITHM FOR POWER SPECTRA OF RANDOM SEISMIC RESPONSES

Lin Jiahao(Dalian University of Technology)  
A fast algorithm is proposed based on Reference[1] . The auto-spectral or cross-spectral density matrices of the displacement and internal force responses due to the stationary random ground motion can all be obtained quite conveniently. Each of those matrices is simply the product of two vectors. It is shown that this algorithm is both accurate and efficient. And also it is easy for learning and programming. So it is a good improvement of the traditional method.
【Fund】: 国家自然科学基金
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