English translation for "one-way wave equation"

单向波动方程

Related Translations:

equations:  方程式

equation:  n.1.平衡，均衡；平均，相等。2.【数学】方程式，等式。3.【天文学】(时)差；均分，等分。4.【化学】反应式。短语和例子algebraic [linear, simple, quadratic, cubic, simultaneous] equation 代数(一次，一元一次，二次，三次，联立)方程式。 differential equation 微分方程。 an id

Example Sentences:

	1.	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。
	2.	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。
	3.	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。
	4.	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。
	5.	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。
	6.	The seismic modeling algorithm includes in two key steps in which one is for calculating effective elastic parameters in a fractured and caved media by using elastic wave equation , the other is for wave extrapolating by using acoustic one - way wave equation based on an equivalent geology model consisting of those effective parameters 地震正演方法包含两个关键步骤，一是利用弹性波动方程计算含缝洞介质的有效弹性参数，另一步骤是根据有效弹性参数构成的等效地质模型，用单程声学波动方程进行波场延拓。
	7.	Firstly , the paper starts from the one - way wave equation of wavefield extrapolation , research the relationship and transform condition of wavefield extrapolation operators , and improves on the wavefield extrapolation operator and so heightens the operation efficiency , and chooses the pspi that fits to the lateral variation of velocity to resolve the wave - equation , which lay a foundation of the theoretic study 首先，从波场延拓的单程波方程出发，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，并在此基础上改进了波场延拓方案和提高了运算效率，选择了适合于纵横向速度剧烈变化的pspi方法求解波动方程，为整个研究打下了理论基础。
	8.	From 1920s up to now , various techniques and methods for wave field decomposition , propagation and migration / imaging have been well developed , such as the kirchhoff asymptotic method , frequency - wavenumber domain phase - shift and phase - shift - plus - interpolation methods , and the one - way wave equation based phase - screen and generalized screen methods , etc . wave field extrapolation in these methods is implemented based on the expansion of the wave field by sets of basic functions like spatial fourier harmonies , modes , and green ' s functions 自上个世纪二十年代至今，波场分解、传播与偏移成像技术经历了将近一个世纪的发展，形成了多种不同的方法，如kirchhoff波动方程高频近似解方法，频率-波数域的相移( phase - shift )方法和相移-内插( pspi )方法，以及在混合域中基于单向波动方程的相位屏、广义屏方法等。

Similar Words：

"one-way valve piston" English translation, "one-way valve ring" English translation, "one-way valve sleeve" English translation, "one-way valve spring" English translation, "one-way vent" English translation, "one-way-fired pit" English translation, "one-way; unidirectional; simplex" English translation, "one-wayanova" English translation, "one-waycla ification" English translation, "one-wayfiniteautomata" English translation