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Wavelet Signal Processing Technique in Analyzing Earthquake Records of Masjed Soleyman Embankment Dam
The amplitude and frequency content of non stationary earthquake records varies with time. For this reason, the classical signal processing techniques can't present the appropriate dynamic behavior of the dam under earthquake loadings and consequently, time-frequency distributions such as wavelet method is proposed. In this paper, the recorded earthquake signals will be processed by classical signal processing techniques, such as power spectral density, cross spectral density, coherency and phase difference of the signals. The wavelet method is used as one of the newest techniques of signal processing to extract the time dependent characteristics of earthquake records. Using the mentioned method, the benefits and accuracy of the new signal processing technique is described and its importance in evaluating dynamic characteristics of embankment dams is discussed.
Wavelet Signal Processing Technique in Analyzing Earthquake Records of Masjed Soleyman Embankment Dam
The amplitude and frequency content of non stationary earthquake records varies with time. For this reason, the classical signal processing techniques can't present the appropriate dynamic behavior of the dam under earthquake loadings and consequently, time-frequency distributions such as wavelet method is proposed. In this paper, the recorded earthquake signals will be processed by classical signal processing techniques, such as power spectral density, cross spectral density, coherency and phase difference of the signals. The wavelet method is used as one of the newest techniques of signal processing to extract the time dependent characteristics of earthquake records. Using the mentioned method, the benefits and accuracy of the new signal processing technique is described and its importance in evaluating dynamic characteristics of embankment dams is discussed.
Wavelet Signal Processing Technique in Analyzing Earthquake Records of Masjed Soleyman Embankment Dam
Davoodi, M. (author) / Sakhi, M. Amel (author)
Geotechnical Earthquake Engineering and Soil Dynamics Congress IV ; 2008 ; Sacramento, California, United States
2008-05-14
Conference paper
Electronic Resource
English
| British Library Conference Proceedings | 2008
| British Library Conference Proceedings | 2008