Guralp Systems ART - Manual (Page 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