• 责任者：Zhong Fei (Key Laboratory of Advanced Materials Processing Technology ; Ministry of Education ; Department of Mechanical Engineering ; Tsinghua University ; Beijing 100084 ; China) ; Zhang Wei
• 刊名：Coal Geology & Exploration
• 出版年：2011
• 卷期：39(2)
• 关键词：可控震源 ; vibroseis ; 波动方程 ; wave equation
• 页码：p.57-60,65
• 图表：8 illus., 10 refs.
• 分类号：1600
• issnNo：ISSN1001-1986
• isbnNo：CN61-1155/P

Earth can be treated as full elastic isotropic medium in general calculation of seismic wave. The study of vibroseis transmission dynamics is less mature than pulse source. This paper uses finite difference to simulate propagation of seismic wave excited by vibroseis in viscoelastic medium. Kelvin viscoelastic wave equations with absorbing boundary condition and vibration source model are given. The acceleration of received signals and the propagation distance have the cubic polynomial exponential relationship, which is more accurate than the linear exponential relationship, this formula can predict the effective received distance of certain acquisition system.