Identification of Far-Field Long-Period Ground Motions Using Phase Derivatives

<div>Comparisons of the Fourier amplitude spectra in terms of the complete record and truncated wave; (a) and (b) false positive records from CHB002EW and CHB028EW; (c) and (d) positive records from CHB009EW and TKY024EW. The Fourier amplitudes for the complete record and truncated waves are represented with solid and dashed lines, respectively.</div>

Advances in Civil Engineering

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Figure 10

Figure 10: Identification of Far-Field Long-Period Ground Motions Using Phase Derivatives 