The tomographic approach which basic unit is rectangular block can model and inverse the complex velocity structure.
这种层析反演方法以块体为基本单元，可以模拟和反演复杂速度结构。
Finally, we give as an example the calculation of complex velocity potential for a twisted duct with square cross-section.
最后给出了一个方形扭曲管的复速度势计算实例。
The formulae of the complex potential, the complex velocity, and the pressure coefficient in the triangular flow are derived, and some typical expamples have also been given.
这种变换可便捷地给出三角形绕流的流动图谱、流速分布以及压力系数分布。
A complex velocity model was designed to verify the validity of TVWI method, and the result shows that for the different given initial velocity, all the inversion has relatively high accuracy.
设计了一个复杂的速度模型验证了TVWI方法的有效性，结果表明，在给定不同速度初值的情况下，反演结果都具有较高的精度。
The method is simple, credible and has high precise and rapid calculation velocity, which is suit for the piezoelectric smart structure with complex shape and boundary conditions.
该方法作为动态激励的压电模态响应易于实时监测，迭代过程简单可靠、计算速度快、识别精度较高，适用于任意形状和边界条件的复杂型智能结构。
ResultsIn case of various axial loads and mass ratios, various curves between dimensionless fluid flow velocity and dimensionless complex frequency are plotted.
结果得出了不同轴向载荷和不同质量比下的无量纲流速与无量纲频率的关系曲线。
It can act as an interim key step of imaging complex structure, which plays an important role for ensuring quality of velocity analysis and depth migration.
它可以作为复杂构造成像的一个关键的中间环节，对于提高最终的速度分析质量和深度偏移成像效果是至关重要的。
Complex wave structures of supersonic inlet at different Angle of attack and spinning velocity related to high speed spinning and critical status were achieved.
得到了高速旋转工况下对应于不同来流攻角和旋转角速度，临界工况时，超声速进气道内外流场复杂的波系结构。
The theory is based on the complex hydromagnetic equations of nebula, which are simplified approximately to the equations of velocity.
把星云的复杂的磁流体动力学方程，近似简化为只与速度相关的方程，则得到一个可解的简单模型。
There is a complex relation of nonlinear function between the actual wind velocity and the output 's signals by the thermoelectric anemometers sensor.
热电式风速传感器感应输出的电信号与实际风速之间存在复杂的非线性函数关系。
For the complex geological case, the velocity calculated, generally, covers some false information, such as velocity abnormity, because of variety of factor.
对于复杂地质体而言，由于各种因素的影响，速度信息中往往会包含一些假的速度信息(如速度异常值)。
Because of the lateral velocity varying in complex geologic areas, some conventional imaging methods can not fulfill the correct image of complex fault blocks.
在复杂构造地区，地震速度横向变化大，常规偏移方法已无法完成复杂断块的正确成像。
Complex geological body is main types of complex oil and gas reservoir, and its irregular geometrical shape and acutely variable velocity have an effct upon the accurate imaging of complex reservoir.
复杂地质体是复杂油气藏的主要类型之一，往往表现为几何形态的不规则和速度纵横向的剧烈变化等，这些特征极大地加剧了复杂构造精确成像的难度。
The case study shows that using this technique can be able to further improve the precision of stacking velocity and imaging in complex structural areas or with big variation of lateral velocity.
实际处理表明，该技术能进一步提高叠加速度的精度，改善构造复杂区或速度横向变化较大时的叠加成像。
The key of seismic data processing mainly lies in static corrections and imaging and both of them are relative to velocity model in complex near-surface and underground geologic structural conditions.
在复杂地表条件和复杂地质构造条件下，地震资料处理的关键主要表现为静校正和成像，而这两者均与速度模型有关。
With the choices of dependant variables and cell face velocity, the convergency speed and computational accuracy of SIMPLE algorithm employed in the computation of complex flows are analyzed.
针对复杂区域中流动计算的SIMPLE算法，在选用不同的速度分量作为求解变量和离散体元的界面速度时，进行了算法收敛速度及收敛准确性的对比分析。
Impulse oxygen activation logging can be used to detect velocity and direction of water flow behind tubing. It is applied more and more in polymer injection Wells and complex completion Wells.
脉冲氧活化测井能在油管内探测管外水流速度及方向，在注聚合物井和复杂管柱结构井中的应用数量逐年增加。
This paper presents a new method of analyzing locomotive lateral stability, that is, the critical velocity is calculated by use of the complex mode matrix perturbation theory.
本文提出一种分析机车横向运动稳定性的方法，即利用复模态的矩阵摄动法来计算临界速度。
Through the wind velocity field simulation of a certain complex building estate, the author introduced the importance of building planning and design as well as the merit of c.
对某实际复杂建筑小区的风速场进行了模拟，实现了理论与实践的结合。
Prediction for block caving velocity of ore-rock is a complex dynamic process that relates to the caving rule and to the relation between caving and time.
矿岩自然崩落速率预测是一个涉及崩落规律和崩落与时间相依关系的复杂动态过程，通过数值模拟的方法，对流变断裂型矿岩的自然崩落规律和崩落速率进行了模拟研究。
A hierarchical control strategy which includes kinematical controller and velocity controller is presented to solve the problem of complex calculation in robot trajectory tracking control.
提出了一种包含运动学控制器和速度控制器的分层控制方案来解决机器人轨迹跟踪控制中的复杂计算问题。
The prominent advantage of this method is that the Earth angular momentum can be decoupled into mass term and velocity term and hence makes a complex problem simplified.
其突出的优点是可以使引起地球角动量变化的质量项和速度场项解耦，使原来较复杂的问题简化。
It was related to complex calculation of attitude in optoelectronic precision velocity measurement technology with general error analysis.
在利用光电精密测速技术时，涉及复杂的空间光交汇计算，通用误差分析方法比较困难。
The results show that the propagation speed of the wave is not equal to the speed of energy flux, but nearly equal to the real part of the complex group velocity.
结果表明，波的传播速度并不等于能流速度，而与复群速度的实部近似相等。
The signal modulation of velocity deception jamming is complex, and it is hard to complement anti jamming using the statistical feature extraction method.
速度欺骗干扰因信号调制较为复杂，难以用统计特征提取方法来实现抗干扰。
Experimental results show that the new algorithm can adapt to the complex geological structure with strong lateral velocity variation and the steep dip.
试验结果表明，新算法能够适应具有强横向变速和陡倾角等复杂地质结构的成像需要。
It is very complex to calculate the aerodynamic drag of high-speed train running in railway tunnel with multi -shafts. And the difficulty is to calculate the velocity of piston wind.
在高速列车空气阻力计算中，多竖井隧道的列车空气阻力计算比较复杂，其难点在于多竖井的活塞风计算。
It is obviously shown that the uplift of the Himalayas is a complex process characterized by poly_stages, nonuniform velocity and nonuniformity.
研究表明，喜马拉雅山的隆升是一个多阶段、不等速和非均变的复杂过程。
The standard particle Swarm optimization (PSO) algorithm cannot adapt to the complex and nonlinear optimization process, because the same inertia weight is used to update the velocity of particles.
由于标准粒子群优化(PSO)算法把惯性权值作为全局参数，因此很难适应复杂的非线性优化过程。
During the interpretation, the accurate structure interpretation and variable velocity mapping is used to reflect the complex underground structure.
通过精细构造解释及变速成图，准确反映地下构造形态。
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