Bap basic strongmotion accelerogram processing software, version 1. Prism incorporates many of the processing techniques implemented in its predecessor, the software program bap basic strongmotion accelerogram processing 1. Douglas j 2003 what is a poor quality strongmotion record. Software packages capable to address the need for strong motion record processing belong to two main categories. Strong motion recordings are the key in many earthquake. Statistical analysis of strongmotion accelerograms and its. Strongmotion data processing is necessary to evaluate reliable groundmotion for standard or specific applications. Because of various reasons, the baseline drift in the strong motion accelerogram was often founded, especially in the nearfault accelerogram. There is a fundamental difference in the shapes of a causal and acausal butterworth filter. Dependence of fourier amplitude spectra at low frequencies on. We use cookies to offer you a better experience, personalize content, tailor advertising, provide social media features, and better understand the use of our services. Bap will calculate velocity and displacement from an input acceleration time series or it will.
However, formatting rules can vary widely between applications and fields of interest or study. Particularly noticeable is the sensitivity of the peak accelerations to the. No warrantees, implied or explicit, are given for this software. Lee, a regularization scheme for displacement reconstruction using acceleration data measured from structures, in.
During processing of the data, the filters used are a cosine taper from 45 to 50 hz and an acausal butterworth with a corner of 0. Bap basic strongmotion accelerogram processing software version 1. Basic strongmotion accelerogram processing software bap the basic strongmotion accelerogram processing bap computer program was developed at the u. Open file report 92296a, united states department of the interior, united states geological survey, denver, co. Clanguage software for computing strong ground motion metrics and seismograph self noise by 1j. Review on baseline correction of strongmotion accelerogram. Looking at the tables and plots shows that the causally. Rain and storm water harvesting for additional water supply. Time series processing programs tspp boore 2008, is a collection.
By bap basic strongmotion, accelerogram processing software, april m. Google scholar graizer, vm 2005 effect of tilt on strong motion data processing. Leastsquaresupportvectormachinebased approach to obtain. Nov 06, 2015 because of various reasons, the baseline drift in the strong motion accelerogram was often founded, especially in the nearfault accelerogram. Clanguage software for computing strong ground motion. Basic strongmotion accelerogram processing software version 1. Us geological survey open file report 92296a, 1992. Bap basic strongmotion accelerogram processing software sudoc i 19.
Geological survey usgs to process and plot digitized strongmotion earthquake records. Sma strong motion analyst processing software is a commercial windows based tool designed to interactively process strong motion accelerograms. Workshop on strongmotion record processing,consortiumof organizations for strongmotion observation systems cosmos. The prism software consists of two major components. Basic strongmotion accelerogram processing software responsibility by april m. The basic strongmotion accelerogram processing bap computer program was developed at the u. Bap will calculate velocity and displacement from an input acceleration time series or it will calculate acceleration and displacement from an input velocity time series.
Adjustments for baseline shifts in farfault strongmotion. Bulletin of the seismological society of america, 2005, 952. Pdf strongmotion data processing is necessary to evaluate reliable. Adjustments for baseline shifts in farfault strongmotion data. Open file report 92296a, united states department of the interior, united states geological survey, denver, co, 180 pp. This software includes a routine hicut for highcut. Bap basic strongmotion accelerogram processing software. The bap computer program can be used to process and plot digitized strongmotion earthquake records. Basic strongmotion accelerogram processing software bap converse 1992, contains routines for signal processing, fourier amplitude spectra evaluation and response spectra calculation. An algorithm developed in matlab for the automatic selection of cut.
Books and openfile report section distributor denver, colo. Introduction to computing by peter norton free pdf file. Strong motion earthquake accelerograms, digitized and plotted. Us department of the interior, us geological survey.
Rain and storm water harvesting for additional water. The basic strongmotion accelerogram processing bap software written by the usgs converse and brady, 1992 or derivatives are commonly used for the routine. The usgs does not support this software or technical questions for the software associated with the publication. A new opensource software for strong ground motion data processing. Vibration signals are generally measured or recorded using accelerographs, 1 and the corresponding time history data of velocity and displacement are obtained by taking the numerical integral of the recorded acceleration data. Basic strongmotion accelerogram processing software bap converse 1992, contains routines for signal processing, fourier amplitude spectra evaluation. Basic strong motion accelerogram processing software version 1. The text used in support of the lecture contents is. The bap computer program can be used to process and plot digitized strong motion earthquake records. Basic strongmotion accelerogram processing software by april m. Properties of butterworth filters as used in my record. The processing engine is integrated into the gui to help ensure consistency in processing. United states department of the interior geological survey, 1992. Sma strong motion analyst processing software is a commercial.
Baseline correction of vibration acceleration signals with. Basic strongmotion accelerogram processing software bap. Basic strongmotion accelerogram processing software. The baseline drift could lead to the unreliable velocity and displacement obtained by the accelerogram integration without or with improper specialized baseline correction. Hutt3 introduction this openfile report releases several software modules for public use. Several codes for strongmotion data processing have been made available since the early 90s. Pdf systematic comparisons between prism version 1. Introduction to computing page 1 instructors arif zaman. The program bap basic strongmotion accelerogram processing.