Effect of causal and acausal filters on elastic and inelastic response spectra
Earthquake Engineering and Structural Dynamics
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Abstract
With increasing interest in displacement spectra and long-period motions, it is important to check the sensitivity of both elastic and inelastic response spectra to the filtering that is often necessary to remove long period artifacts, even from many modern digital recordings. Using two records of very different character from the M=7.1, 1999 Hector Mine, California, earthquake, we find that the response spectra can be sensitive to the corner periods used in causal filtering, even for oscillator periods much less than the filter corner periods. The effect is most pronounced for inelastic response spectra, where the ratio of response spectra computed from accelerations filtered at 25 and 200 sec can be close to a factor of 2 for oscillator periods less than 5 sec. Published in 2003 by John Wiley and Sons, Ltd.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Effect of causal and acausal filters on elastic and inelastic response spectra |
| Series title | Earthquake Engineering and Structural Dynamics |
| DOI | 10.1002/eqe.299 |
| Volume | 32 |
| Issue | 11 |
| Year Published | 2003 |
| Language | English |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Earthquake Engineering and Structural Dynamics |
| First page | 1729 |
| Last page | 1748 |
| Google Analytic Metrics | Metrics page |