Level set model improved by constructing velocity function using regional information is employed to evolve the curve, and the better results are obtained.
然后构造一种新的基于区域信息的速度函数，由水平集模型对其演化，得到了较好的结果。
As with most other migration methods, the success of TpDM depends on the correct migration velocity function used. We have discussed this effect of the migration velocity in this paper.
为了论证本方法的效果，本文给出了不同的正演理论模型和偏移结果的例子。
The vertical velocity changes as a function of time and height above ground for the deep warm cloud.
在深厚暖云中，垂直速度随时间和高度而变化。
The characteristic of this model is only to know basic and natural boundary condition, then the stream function and flow velocity required on the boundary are obtained.
这一模型的特点只需要知道边界上的基本边界条件和自然边界条件，就可以得到边界上所需要求的流函数和水流速度；
According to the operation condition, the entrance velocity of precipitator is confirmed by double object function weighting, and the fluid field is calculated by PHOENICS program.
根据现场旋风除尘器的运行情况，用双目标函数加权的方法，确定了除尘器入口速度，并用PHOENICS程序对流场进行了计算和分析。
The mathematical model of reentry maneuvering trajectory is established. The fitting expression of aerodynamic coefficient function on velocity, attack of Angle and altitude is presented.
建立了再入机动弹道数学模型，给出了气动力系数为速度、迎角、高度的函数拟合式，进行了最佳再入机动弹道设计和仿真计算。
An experiment is conducted to analyze the relations between the velocity of every memory copy function and the size of memory to be copied.
通过实验分析了各内存拷贝函数拷贝速度与拷贝内存量之间的对应关系。
The model adopts a new reinforcement function. All the methods can improve agent's learning velocity.
新的奖励函数和表示方法减少了学习空间、增加了学习速度。
The sciatic nerve function index(SFI), the motor nerve conduction velocity(MNCV) and total myelinated axons per sight were counted on 2 and 4 weeks after the surgery.
术后2周及4周，观察坐骨神经功能指数、运动神经传导速度及单位视野有髓神经纤维计数。
The paper described the collectivity function characteristic and several important components of movement controller, for example main control program, interpolation module and velocity control.
这里论述了运动控制器的总体功能特性，并分别介绍了运动控制器的几个重要组成部分，如主控程序、插补模块及速度控制等。
Phenomenon of the change in velocity of propagation of monochromatic radiations in a medium as a function of the frequency of these radiations.
在介质中传播的单色光改变其传输速度的现象，并由该辐射的频率所决定的。
On the basis the principle of hydrodynamics , the paper deduces the function of velocity of water ingress, and figures out survival time.
根据流体力学的原理，使用破损船舶的进水速度函数，得到船舶进水速度随时间的变化曲线；
The seismic velocity and source function of homogeneously elastic media are inversed jointly by adopting Hybrid GA.
本文使用遗传算法对均匀弹性介质进行波速和震源函数的联合反演。
A droplet size and velocity distribution function was theoretically derived based on the maximum entropy principle and the momentum conservation law.
应用最大熵原理和动量守恒定律，从理论上建立了喷雾液滴尺寸和速度联合分布函数。
Meanwhile, instantaneous information on conventional stack power can be involved in measuring function simultaneously as calculation of velocity spectrum can be conducted sample by sample.
同时，由于速度谱的计算可以逐个样点进行，因此，度量函数中可同时包含常规叠加能量的瞬时信息。
By taking the advantage of figure process function of ANSYS, Velocity Flow Distributing Picture and Pressure Distributing Picture can be attained.
利用ANSYS的图形处理功能，得到速度流场的分布图和压力场的分布图。
By using backward difference of space-time intensity correlation function with respect to time delay, the two-dimensional velocity vector of a moving diffuser can be measured.
利用远场时变散斑空-时强度相关函致的有限差商可以测量散射体运动的二维速度矢量。
Furthermore, with the infiltration time increasing by power function, the soil's infiltration velocity of re-vegetation in coal waste piles decreased.
另外，植被恢复过的矸石山土壤水分入渗速率随入渗时间的增加而减小，呈幂函数递减规律。
This method can describe the water flow velocity and vortex function distribution on all points of the reactor, with the simulation result in good coincidence with field test data.
该方法能够描绘出反应器内各点的水流速度以及涡流函数分布，且模拟结果与试验测定结果吻合得较好。
The probability density function of velocity response of oleo damper excited by exponential colored Gaussian noise has been obtained.
从而导出了油液阻尼器受指数型高斯色噪声外激励时的速度响应的概率密度函数。
In traditional pulse medical ultrasonic imaging system, the ambiguity function has periodic distance ambiguity and velocity ambiguity, this affects the image quality and resolution.
传统的脉冲式医用超声成像系统的模糊函数由于存在周期性的速度模糊和距离模糊，影响了图像的质量和分辨力。
Objective To probe the value of mitral annulus peak systolic flow velocity and systolic displacement in evaluating left ventricular systolic function of dilated cardiomyopathy patients.
目的探讨二尖瓣环收缩期峰值速度及收缩期位移评价扩张型心肌病患者左室收缩功能的价值。
Using the method of receiver function the S-wave velocity structure under Gansu seismic network is studied.
利用接收函数方法对甘肃测震台网下方的一维s波速度进行了研究。
Objective to explore the value of quantitive tissue velocity imaging (QTVI) in assessing the systolic myocardial function of adriamycin cardiomyopathy.
目的研究定量组织速度成像评价阿霉素性心肌病心脏收缩功能的价值。
Theoretical analysis and simulation results are given to show the ambiguity function, the distance resolution, the velocity resolution, the intercept factor of the hybrid signal.
理论分析了和计算机模拟了该类信号的模糊函数(图)，距离分辨率、速度分辨率和低截获性能。
Numerical experiments show that the theoretical values of the seismic velocity and source function are matched well with the inversed ones.
通过数值计算结果表明，波速和震源函数的理论值与反演值比较吻合。
The velocity distribution function of the electron gas is measured by using Franck-Hertz experiment instrument, and the dynamical process of collision between electron and argon atom is analyzed.
利用夫兰克-赫兹实验仪测量了电子气体的速度分布函数，并分析了电子与氩原子碰撞的动力学过程。
Study the velocity of mitral and tricuspid annulus by tissue Doppler Image to reflect the myocardial function.
使用组织多普勒功能研究胎儿二、三尖瓣环的运动速度来反映心肌功能。
As metastable atoms deexcite, the vapor velocity and temperature increase, the peak value of the velocity distribution function shifts rightward, and the half width increases.
亚稳态原子消激发，使蒸气宏观速度增加，温度增加，所以使速度分布函数峰值右移，半宽度增加。
The extreme conditions of yield condition and yield function are discussed; and a velocity equation is established under the condition that no flow rule has been required.
对屈服条件与屈服函数的极值条件进行了讨论，在不需要流动法则的情况下建立了速度方程。
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