Highly precise solutions both in time and in space can be reached by solving wave equation with high order finite difference scheme of staggered grid under the condition of stability.
用交错网格的高阶有限差分方法解波动方程，在满足稳定性要求时，可获得时间和空间都是高阶精度的结果。
Chapter one studied the finite difference methods of a class of high-order wave equations?
第一章研究了一类高阶波动方程的有限差分法。
The high-order difference method of wave equation has the advantages of high accuracy and small numerical dispersion.
波动方程高阶差分法具有精度高、数值频散小的优点。
Numerical modeling results for seismic wave propagating in rocks with random dis- tributed fractures using a staggered high-order finite-difference (SHOFD) are also presented.
最后，利用高阶的交错网格有限差分方法，我们模拟了地震波在具有随机分布裂缝岩石中的传播特征。
This paper performs one-way wave decomposition for 3d wave equation, and 2 kinds of high approximation of up-going wave equation in low order differential equation system are derived.
对三维波动方程做单程波分解，给出了用低阶偏微分方程组逼近上行波方程的2种高阶近似表达式。
To simulate 3-d wave rapidly and effectively, a numerical simulation model of fully nonlinear waves was established using the high order spectral method.
为快速有效地模拟三维波浪问题，采用高阶谱方法建立了完全非线性波浪的数值计算模型。
In order to make calculation of the lightning protection on ultra high voltage (UHV) line, a new tower model, namely multi-wave impedance model was constructed.
为了超高压输电线路防雷计算的需要，建立了新的杆塔模型，即多波阻抗模型。
Weak modulated dielectric grating can be equivalent to planar waveguide. When it diffracted high-order spatial sub-wave is coupled with waveguide mode, a guided mode resonance is formed.
弱调制介质光栅可等效为平板波导，经其衍射的高级次子波与波导模式耦合时，形成导模共振。
This article provides the application of the high-order, staggered-grid, finite-difference scheme to model elastic wave propagation in 3-d isotropic media.
本文应用交错网格高阶有限差分方法模拟弹性波在三维各向同性介质中的传播。
It is shown that cycle of sedimentary wave is response to each order sequence and the character of high frequency wave is correlated with oil source, reservoir and cap rock.
通过分析沉积波动周期与各级层序持续时间的对应关系，找出了高频沉积波动特征与生储盖之间的对应关系。
In order to sample transient travelling wave, the design of a high-speed data acquisition system with the single-chip microcomputer DS80C320 is introduced.
为了用单片机实现对变化速度极快、变化过程极短的高速瞬态行波信号进行采样，研究了一种以DS80C32 0单片机为控制器。
This high order multiplier can provide high-quality millimeter-wave signal source.
该倍频器能够为毫米波电路系统应用提供优质的毫米波信号源。
Here, we use second-order, temporal - and high-order spatial finite-difference formulations with a staggered grid for discretization of the 3-d elastic wave equations of motion.
采用时间上二阶、空间上高阶近似的交错网格高阶差分公式求解三维弹性波位移-应力方程，并在计算边界处应用基于傍轴近似法得到的三维弹性波方程吸收边界条件。
Here, we use second-order, temporal - and high-order spatial finite-difference formulations with a staggered grid for discretization of the 3-d elastic wave equations of motion.
采用时间上二阶、空间上高阶近似的交错网格高阶差分公式求解三维弹性波位移-应力方程，并在计算边界处应用基于傍轴近似法得到的三维弹性波方程吸收边界条件。
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