Time-domain identification of dynamic properties of layered soil by using extended Kalman filter and

• 作 者: 郑亦斌 王满生 刘荷 姚英 周锡元
• 机 构: UniversityofVirginia,InstituteofGeophysics,UniversityofAlaska,UniversityofVirginia,BeijingUniversity
• 出 处: Earthquake Engineering and Engineering Vibration
• 发表日期: 2004年2期
• 关键词: 土壤结构作用 鉴别方法 卡尔曼滤波 自由度模型 地震数据 多项式近似 soil-structure interaction identification e

A novel time-domain identification technique is developed for the seismic response analysis of soil-structurc interaction. A two-degree-of-freedom (2DOF) model with eight lumped parameters is adopted to model the frequencydependent behavior of soils. For