one-way wave equation meaning in English
单向波动方程
Examples
- We derive a scheme of the separable expression of the reflection / transmission operator is represented , which can be used to model primary reflected waves in the one - way wave equation seismic modeling
摘要本文导出了一种由单程波方程利用反射透射算子的可分表示方法模拟复杂介质中一次反射地震波的数值算法。 - In the thesis , the fundamental formula of ffd method derives from the square root that is approximated by a continued fraction expansion in the one - way wave equation . optimizations of the parameters of the finite - difference operator improve the validity of the method
本论文用连分式近似单程波波动方程中的平方根导出ffd算法的基本公式，并对ffd算法中的有限差分算子进行了系数优化，进一步提高了计算的有效性。 - Different from the scattering theory used in the derivation of conventional generalized screen propagator , in this paper , a high order formula of generalized screen propagator for one - way wave equation is proposed by using the asymptotic expansion of single - square - root operator
摘要不同于常规广义屏传播算子的推导中使用散射理论，本文利用单平方根算子的渐近展开，推导出了单程波方程广义屏传播算子的高阶表达式。 - Another contribution in this paper is that a novel absorbing boundary condition based on the one - way wave equations has been proposed . it is more effective both in theoretical analyses and numerical simulations when compared to other widely used boundary conditions such as second order mur abc ' s
本文的在应用对时域有限差分法的同时，也对其吸收边界条件进行初步研究，提出了一种新的局域吸收边界条件，并通过计算机仿真证明了这种边界条件的有效性。 - Author , starts from the one - way wave equation of wavefield extrapolation , research the relationship and transform condition of wavefield extrapolation operators , and propose the steady variational reference slowness rytov approximation general screen wavefield extrapolation operator ( vrselrf ) which can adapt severe lateral velocity variations , in frequency - wavenumber domain , and the improved wavefield extrapolation scheme , also give the method to improve the computation efficiency . the achievement establishes the theoretic basis of the whole research
首先，从波场延拓的单程波方程出发，系统地研究了频率波数域的波场延拓算子之间的相互关系和转换条件并在此基础上提出了能适应剧烈横向变速的频率波数域稳定的变参考慢度rytov近似广义屏波场延拓算子( vrselrf )和部分波场延拓改进方案及提高运算效率的措施，为整个研究打下理论基础。