Guralp-systems ART Manual do Utilizador descarregar pdf (Página 5)

User guide

• calculation and plotting of Fourier amplitude spectra of

time-histories and of pre-event portions of records

including the signal-to-noise ratios;

• calculation and plotting of Arias intensities against time;

• calculation and plotting of energy densities against time;

• calculation and plotting, both on standard and tripartite

graphs, of linear elastic response spectra;

• calculation and plotting of linear elastic absolute and

relative input energy spectra;

• calculation and plotting of drift spectra for a cantilever

shear-beam for different material types;

• calculation of peak ground acceleration (PGA), peak

ground velocity (PGV) and peak ground displacement

(PGD);

• calculation of PGV/PGA;

• calculation of A95 parameter;

• calculation of sustained maximum acceleration and

velocity;

• calculation of JMA instrumental intensities;

• calculation of response spectrum intensities using user-

defined limits;

• calculation of acceleration spectrum intensities using

user-defined limits;

• calculation of RMS acceleration, velocity and

displacement;

• calculation of cumulative absolute velocities using user-

defined minimum acceleration thresholds;

• calculation of absolute and relative bracketed, significant

and uniform strong-motion durations using user-defined

limits;

May 2009 5

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Guralp-systems ART Manual do Utilizador Página 5