强震加速度记录的常规处理和分析方法
A ROUTINE PROCESSING AND ANALYZING PROCEDURE FOR STRONG-MOTION ACCELEROGRAMS
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摘要: 本文针对我国强震台网所普遍使用的电流计记录式强震仪和模拟记录数字化设备的特点,系统、全面地分析了数字强震加速度记录中包含的各类误差的性质和特点,在这样基础上给出的调整(未校正)加速度记录、校正加速度记录以及各类反应谱和傅氏谱的结果具有统一的精度和标准的格式.从而可以在相当广泛的范围内满足地震工程研究对常用地震动数据处理和分析的需要.Abstract: In this paper, the characteristics of the strong-motion accelerographs, recording with galvanometers and the features of the specific digitizer for analog recording are described and a method for estimation of the overall errors involved in the processed accelerograms is presented. Based on the results mentioned above, the adjusted (un-corrected) and corrected digital accelerograms and spectrum could be obtained in a unified accuracy and standardized format. It is found that the data obtained fulfill the requirements of earthquake engineering studies in broad sense.
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[1] Xi Lili, Li Shabai,Qian Qukang and Hu Chengaiang, Some features of strong motion data processing procedures in IEM, Proceeding of the PRC——USA bilateral workshop on earthquake engi——nearing, Harbin, A——4——1——A——4——19, 1982.
[2] A. Schiff and J. L. Bogdanoff, Analysis of current methods of interpreting strong——motion accelerograms, Bull. Seism. Soc. dm., 57, 5, 857——874. 1967.
[3] 黄振平等,RDZI——12——66型强震加速度仪及其野外标定方法,工程力学研究所,地震工程研究报告集,第三集,科学出版社,136,1977.
[4] 谢礼立、李沙白、钱渠炕,电流计记录式强震加速度仪记录的失真及其校正,地震工程与工程振动,1, 1, 106,1981.
[5] 谢礼立、钱渠炕、李沙白,数字化噪声及其消除方法,地震学报,4, 4, 412,
[6] Jafar. Shoja——Taheri, A new assessment——of errors from digitization and baseline corrections of strong——motion accelerograms, Bull Seism.Soc.Am,70, 1, 293——303, 1980.
[7] A. Papoulis, The fourier integral arLd its applications, McG.raw——Hill, 70——79, 1962.
[8] M. Bath, Spectral analysis in geophysics, Elsevier, Scientific Publishing Company,233——264. 1974.
[9] 谢礼立、于双久等,强展观测与分析原理,地震出版社,246, 1982,
[10] J. F. A. Ormsby, Design of numerical filters with application to missile data processing, J.Assoc. for Comp, Machinery, 8, 440——460. 1961.
[11] M .D. Trifunac, Zezo baseline correction of strong——motion accelerograms, Bull. Seism. Soc. Am.,6l.5, 1201——1211, 1971.
[12] N. C. Nigam and P. C. Jennings, Calculation of response spectra from strong——motion earthquake records, Bull. Seism. Soc. dm., 59, 2, 909——922, 1969.
[13] 大崎顺彦,地震动的谱分析人门,吕敏申等译,地震出版社,87, 1976.
[14] Californna Institute of Technology., Analysis of etrong——motion earthquake accelerograms, IV, Part A, EERL, 1972.
[15] M. Slrimshoni, On Fisher's teat of significance in harmonic analysis, GeoPhys. J.R.Astron. Soc.23, 4, 373——377,1971.
[16] 谢礼立、胡成祥,强震记录的采样与插值研究,西北地震学报,5, 2, 61——65, 1983.[1] Xi Lili, Li Shabai,Qian Qukang and Hu Chengaiang, Some features of strong motion data processing procedures in IEM, Proceeding of the PRC——USA bilateral workshop on earthquake engi——nearing, Harbin, A——4——1——A——4——19, 1982.
[2] A. Schiff and J. L. Bogdanoff, Analysis of current methods of interpreting strong——motion accelerograms, Bull. Seism. Soc. dm., 57, 5, 857——874. 1967.
[3] 黄振平等,RDZI——12——66型强震加速度仪及其野外标定方法,工程力学研究所,地震工程研究报告集,第三集,科学出版社,136,1977.
[4] 谢礼立、李沙白、钱渠炕,电流计记录式强震加速度仪记录的失真及其校正,地震工程与工程振动,1, 1, 106,1981.
[5] 谢礼立、钱渠炕、李沙白,数字化噪声及其消除方法,地震学报,4, 4, 412,
[6] Jafar. Shoja——Taheri, A new assessment——of errors from digitization and baseline corrections of strong——motion accelerograms, Bull Seism.Soc.Am,70, 1, 293——303, 1980.
[7] A. Papoulis, The fourier integral arLd its applications, McG.raw——Hill, 70——79, 1962.
[8] M. Bath, Spectral analysis in geophysics, Elsevier, Scientific Publishing Company,233——264. 1974.
[9] 谢礼立、于双久等,强展观测与分析原理,地震出版社,246, 1982,
[10] J. F. A. Ormsby, Design of numerical filters with application to missile data processing, J.Assoc. for Comp, Machinery, 8, 440——460. 1961.
[11] M .D. Trifunac, Zezo baseline correction of strong——motion accelerograms, Bull. Seism. Soc. Am.,6l.5, 1201——1211, 1971.
[12] N. C. Nigam and P. C. Jennings, Calculation of response spectra from strong——motion earthquake records, Bull. Seism. Soc. dm., 59, 2, 909——922, 1969.
[13] 大崎顺彦,地震动的谱分析人门,吕敏申等译,地震出版社,87, 1976.
[14] Californna Institute of Technology., Analysis of etrong——motion earthquake accelerograms, IV, Part A, EERL, 1972.
[15] M. Slrimshoni, On Fisher's teat of significance in harmonic analysis, GeoPhys. J.R.Astron. Soc.23, 4, 373——377,1971.
[16] 谢礼立、胡成祥,强震记录的采样与插值研究,西北地震学报,5, 2, 61——65, 1983. -
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