In this method, Stoneley wave attenuation from AC log is divided into two parts: attenuation through porous media and percolation attenuation through pore-fluid.
该方法把由声波测井数据得到的斯通·利波衰减分为介质内衰减和孔隙流体渗流衰减两部分。
We have investigated the guide modes in two kinds of two_dimensional photonic crystal heterostructures by using the plane wave expansion method combined with the supercell technique.
利用平面波展开方法与超原胞方法研究了两种不同晶格的光子晶体异质结的界面态。
To verify the accuracy and efficiency of this method, the distortion of the wave propagation on two typical mild slopes are simulated numerically.
为了验证方法的精度和效率问题，对两种典型缓坡地形上的波浪传播变形进行了数值模拟。
In this paper, for solving the parameter problem of two dimensional wave equation, the method of Finite Element and the Pulse Spectrum Technique, i. e. the iterative process are used.
本文针对求解二维波动方程的参数问题，利用有限元方法把波动方程反问题转化为有限元反问题，并利用脉冲谱技术，即一个迭代过程进行求解。
A shock-capturing method in finite volume scheme with two order of precision and wave propagation is employed to discretize and solve hydrodynamics equations of shock waves.
运用一个具有二阶精度和波传播性质的激波捕捉法，数值求解激波折射运动的流体力学方程组。
The numerical method of coupled boundary integral equation and finite element has been used to compute the forces of wave diffraction and radiation on large two dimensional objects.
本文中采用边界积分方程和有限元耦合的数值方法，计算了二维波浪绕射和辐射问题。
Here we present a new VSP wave field separation method using two-trace recursive filtering.
本文提出一种用二道递归滤波分离vsp波场的新方法。
The paper presents a new computational method named two steps various shape FLIC method, applied for the existence of the supersonic , sub critical sonic , transonic, shock wave.
提出了一种可解决超音速、亚音速、跨音速、冲击波共存的流场计算方法，即变形流体网格两步法。
The paper recommended two methods for velocity analysis in VTI medium: non-hyperbolic P-wave velocity analysis and template method, which achieved practical and stable effects.
文中推荐VTI介质P波非双曲线速度分析及量板法两种方法，得到了较为实用、稳定的结果。
It was ascertained that this wave results from reduction of two disulfide bonds of BSA through determining the electron number by polarographic current method.
用极谱电流法测定BSA还原波的电子数，证实该波为BS A中的两个双硫键还原所致。
To solve the problem of locating the multipoint earthing of the transformer core, two novel methods, named as high-frequency method and travelling-wave method, are analyzed and compared in detail.
为对变压器铁心发生的多点接地故障进行准确定位提出了高频法和行波法两种检测方法，并对它们进行了较为详细的分析和比较。
Based on two design equations, this paper presents a design method of the dielectric-covered slots arrays in the narrow face of a rectangular wave-guide.
本文中提供了敷介质矩形波导窄边缝隙天线阵的一种设计方法，给出了两个设计方程。
A low frequency ultrasonic (Lamb like) wave method is used for characterizing the shear, longitudinal wave velocities, the thickness, and the density of ultra thin two layered bonding composite.
提出用低频超声类兰姆波定征方法来估计超薄双层胶结复合结构各层的纵波声速、横波声速、厚度和密度等参数。
The two-dimensional Navier-Stokes equations are solved by the MAC method to study a solitary wave propagation on a shelf with a terrance risen up suddenly.
为了研究孤立波在带有陡升台地的陆架上的传播，用MAC方法求解了二维纳维尔-斯托克斯方程。
In the system of hybrid suspension with electromagnets and permanent magnets, a method of producing two complementary PWM wave with dead-time using CPLD is proposed.
研究电磁永磁混合悬浮系统中，利用CPLD产生两路互补、带死区的PWM波的方法。
In chapter two, wave motion equation, sound energy, sound energy flux density, sound intensity and its scaling method and the theorem of two-microphone sound intensity have been introduced.
第二章介绍波动方程、声能、声能流密度、声强及度量方法、双传声器互谱声强测量原理。
Another effective method, the earring wave method, is gived. The effectiveness of the two methods is illustrated by the identification examples.
提出了另一提高识别精度的方法——载波法，通过实例计算进一步说明了两种方法的有效性。
This paper discussed a method analyzing the two-step rainbow hologram. Based on the diffraction theorem of light wave, the imaging formulas of object image and slit image were derived in detail.
本文讨论了一种分析二步法彩虹全息的方法，用光波衍射理论详细推导出物体象与狭缝象的成象公式。
The fast two-step method of radio wave refraction correction is proposed in this paper. The simulation demonstrates the method meets the requirement of accuracy and speed in project entirely.
如何在确保实时计算速度基础上 ，又能提高其处理精度 ，正是文章构造出的快速折射修正二步方法所解决的课题。
A method for determining the velocity of seismic wave in two-dimensional medium is presented.
本文针对二维层状介质提出了一种识别地震波速度的新方法。
This paper applies numerical simulation method to study the interaction process between electromagnetic wave and two-scale wave of sea surface in computer.
本文采用数值仿真的方法，在双尺度海浪模型下，在计算机上进行了电磁波与海浪相互作用过程的数值实验。
Thirdly, the two-dimensional numerical model of solitary wave and regular wave slamming to leveling board is built on the basis of SPH method.
第三，建立了基于SPH方法的孤立波和规则波与水平结构物相互作用的二维数值模型。
Through the use of an experimental method the influence of inlet water temperature on the shock wave pressure rise characteristics of steam water two phase flows has been investigated.
采用实验方法研究了进水温度对汽液两相流激波升压特性的影响。
Method: 108 patients were divided into two large groups randomly, 56 groups were in semi-conductor laser therapy, 52 groups were in ultrashort wave Chinese treatment iontophoresis.
方法：108例入组患者，随机分为2组，56例半导体激光治疗组，52例超短波中药离子导入治疗。对两组病例的治疗疗效做出比较。
The photonic band structures of two-dimensional square compound lattices made of two kinds of dielectric cylinders are calculated by the plane-wave method.
由一个正方介质柱和两个圆介质柱构造一个二维正方复式晶格的光子晶体。应用平面波展开的方法研究了光波在其中的传播规律。
Two-velocity analysis method can develop the pile integrity test, average wave speed and wave-up curve separated from measured signal under the condition of existed foundation.
采用双速度测试和分析技术可以解决在既有基础下基桩的完整性、平均波速以及从实测信号中分离出上行波曲线。
Then, two seismic records and an artificial seismic wave were selected to analyze the seismic behaviors of the two models by using time-history analysis method.
然后，选取两条实际地震波和一条人工波，利用时程分析法获得两种模型在三种地震波作用下的响应。
In this paper, the time-resolved degenerate four-wave mixing in two-level system is treated rigorously with the density-matrix method.
本文用密度矩阵方法严格处理了在共振情况下二能级系统时间分辨简并四波混频问题。
Second, solve electromagnetic wave propagation of two-dimension concave objects by symplectic Geometrical Theory, and get better field solutions in caustic field2)comparing with classical GO method.
二利用辛几何理论求解电磁波在二维凹面体散射中的传播问题，与经典的GO解比较，特别在焦散区得到较理想的场解。
Second, solve electromagnetic wave propagation of two-dimension concave objects by symplectic Geometrical Theory, and get better field solutions in caustic field2)comparing with classical GO method.
二利用辛几何理论求解电磁波在二维凹面体散射中的传播问题，与经典的GO解比较，特别在焦散区得到较理想的场解。
应用推荐