The objective function can be built based on the finite difference modeling for the wave equation.
在波动方程有限差分数值模拟基础上，用波形记录残差平方并建立目标函数。
The bottom line: Disaster is real and pervasive, but deeper collaboration plus smarter modeling make a big difference.
记住：灾难真实且无处不在，但深层协作与更为精妙的操作模式必会使之大为不同。
The second is ignorance of the difference between SOA and Web Services and lack of understanding the need for good service modeling techniques.
其次是缺乏对SOA和Web服务的区别的认识，不理解对好的服务建模技术的需求。
The study shows that limited difference forward method has higher precision and computing speed in Geo-electrical forward modeling.
研究表明，利用有限差分数值方法进行复杂地电模型的正演计算，计算速度快，计算结果精度较高。
OBJECTIVE To evaluate the difference of one pool and two pool modeling of urea kinetic in hemodialysis.
目的：为评价血液透析一室和二室尿素动力学模型的差异。
So the main difference is the simple category that can be used for very high-level modeling of business processes.
所以，主要的差别是简单的分类。它用来对业务流程进行高层建模。
The finite difference methods based on acoustic or elastic wave equation are very useful tools for wave-field numerical modeling or VSP data synthesizing.
基于声波或弹性波方程的有限差分方法是数值模拟地震波场或合成VSP地震记录的有力工具。
Thus, we obtained characteristics of radar images by experiments in different environment, and implemented forward modeling using two-dimension finite difference time domain method.
因此，通过不同环境的试验得到雷达图谱特征，并利用二维时域有限差分法对其进行正演模拟。
Firstly, a background processing algorithm based on inter-frame difference and background modeling is proposed, which has achieved effects of background suppression and target enhancement.
首先，针对复杂多变的背景，提出了基于帧间差分和背景建模的背景处理算法，达到了抑制背景、增强目标的效果。
Good results also verify the feasibility of forward modeling with two-dimensional finite difference time domain method (2d-fdtd).
良好的结果也验证了二维时域有限差分法(2d -FDTD)正演模拟的可行性。
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。
For the pit (well) -ground special circumstances, Using the finite difference and integral equation method forward modeling Observation data.
对于坑(井)—地的特殊情况，利用有限差分和积分方程法进行了正演模拟计算，获得了数据。
The paper predicts the changing tendency of groundwater resource in Changma alluvial fan by numerical modeling, applying the method of finite difference and irregular polygon cells.
应用有限差分方法，采用不规则多边形剖分，对昌马冲洪积扇区地下水资源数量的变化趋势进行了模拟计算。
This paper mainly researches the usage of high order difference scheme on the traffic flow modeling.
本论文主要研究高阶差分格式在交通流模型上的应用。
Many correlative techniques are involved, including seismic viscoelasticity, seismic wave theory, finite-difference and wave field modeling.
文中涉及粘弹性力学理论、地震波传播理论、有限差分理论、波场正演模拟技术等相关知识。
There is a distinct difference between tensile and compressive modulus. Xylem is a kind of anisotropic material and modeling its mechanical model needs anisotropic constitutive relations.
拉伸弹性模量与压缩弹性模量有明显差异，木质部属各向异性材料，建立力学模型应采用各向异性的本构关系。
This paper presents a highly efficient absorbing boundary condition suitable for use in the finite-difference time-domain (FDTD) modeling of acoustic fields.
本文提出一种用于声场时域有限差分法(FDTD)的高效吸收边界条件。
Then the article discusses forward modeling based on acoustic wave higher difference, then analyzes numerical dispersion including time and spatial dispersion and presents its stability conditions.
接着，简要介绍了基于声波高阶差分的多次波正演模拟方法，分析了这种方法的数值频散问题，包括时间和空间频散，同时给出了它的稳定性条件。
The 2D curve and 3D surface modeling of iris′s deformation morphology were build at the different pressure difference with crystal non-rising and at the same pressure difference with crystal rising.
建立了不同压强差下无晶体抬升时虹膜膨隆形态二维曲线及三维曲面模型；以及相同压强差下晶体抬升高度不同时虹膜膨隆形态的二维曲线及三维曲面模型。
As a new language phenomenon created by modeling a ready-made phenomenon, meet the psychological difference and novelty of the people today.
仿拟辞格作为一种仿照现成言语现象造出的新言语现象，符合人们求新求异的心理。
As a new language phenomenon created by modeling a ready-made phenomenon, meet the psychological difference and novelty of the people today.
仿拟辞格作为一种仿照现成言语现象造出的新言语现象，符合人们求新求异的心理。
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