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