但是，经典的点匹配方案使该模型的数值稳定性较差。
But classical point matching scheme is not numerically stable in this discretized model.
QR分解可以改善矩阵条件数，从而提高数值稳定性。
QR decomposition can improve the condition number of a matrix and then improve the numerical stability.
需满足两个固有的物理限制：数值稳定性和数值色散性。
It has to satisfy two physical intrinsic and limitations: numerical dispersion and stability.
通过设计分解可以提高几何约束求解的效率和数值稳定性。
Design decomposition is a highly effective way to improve a geometric constraint solver to make it efficient and robust.
因此，巴比伦的方法是数值稳定的，而方法X是数值不稳定。
Hence, the Babylonian method is numerically stable, while method X is numerically unstable.
本文讨论粘弹性问题用有限元求解时的数值稳定性及步长判据。
This paper discusses the numerical stability and time step criterion for the finite element solution of viscoelastic problems.
它具有所需存贮量小、噪声传递系数小及数值稳定性好等特点。
It has characteristics of smaller required memory capacity, smaller noise coefficient and better numerical value stability.
数值结果表明，奇异杂交边界点法具有较高的精度和数值稳定性。
Numerical examples have shown high accuracy and high convergence rates of the presented scheme.
比较与验证的结果表明这种模型计算速度快、精度高、灵活性好、数值稳定。
The validations and comparisons show that this model provides fast computation speed, high accuracy, good flexibility to variable time steps and has no numerical unstability.
使用该方法计算临界转速，数值稳定性好，计算精度高，容易编制通用计算程序。
The method in this paper has better numerical stability, higher computation precision, and it is easy to develop a general computer program.
对采用该方法求解点源出平面波动问题时的数值稳定性和精度进行了数值试验研究。
Numerical test study about the stability and precision of the method is made by discussing the solution of SH wave motion.
该模型使用电磁暂态程序(EMTP)进行计算，具有可靠的计算准确性和数值稳定性。
The model utilizes electromagnetic transients program (EMTP), and it possess reliable accuracy and stability of numerical calculation.
类似地分析了几类实时数值仿真的串行算法的构造特点、快速性、数值稳定性和计算复杂性等。
Similarly, construction feature, fast compute, numerical stability and compute complexity of some sequential algorithms for real-time numerical simulation were analyzed.
在算法实现过程中，选择数值稳定性高、误差可以控制、计算工作量少和尽可能节省内存空间的算法。
In the course of algorithmization, we should select arithmetic with high numerical stability and controlling error and computational effort little and saving memory space.
这表明常用在外流计算中的S - A湍流模型在内流计算中仍具有较高的精度，数值稳定性和效率。
It is shown that S-A turbulence model which usually used in external flows still sustains its precision, numerical stability and efficiency in the calculation of internal flows.
结果表明，波动方法在参数辨识中具有良好的识别精度和数值稳定性，是一种极有潜力的参数辨识方法。
The validity and feasibility of the approach are shown using a numerical example. The results indicate that wave method has a good precision for the identification of joint parameters.
数值结果表明LRKOPT方法具有很好的数值稳定性并且LRKOPT方法的计算效率优于IMPBOT方法。
Numerical results show that the LRKOPT method has better numerical stability and its calculation efficiency prior to the IMPBOT one.
文章从含时薛定谔波动方程出发，结合物理问题中的实际条件，推导出了空间和时间增量必须满足的数值稳定性条件。
Based on Time-dependent Schroe dinger wave equation and physical problems, the stability conditions for the choice of increment parameters are deduced in this paper.
识别结果表明，约束变尺度方法不仅具有较高的计算精度和良好的数值稳定性，并且具有一定的抑制数据噪音的能力。
The results showed that the restraint variable-dimension method not only could have high calculation accuracy and good numeric stability but also have certain data noise control capability.
在结构动力分析中提出了建立冲量方程并求解的方法，给出了该方法的积分格式并讨论了其数值稳定性、精度等数值特性。
Both the impulse equations of structural dynamics and the solution were established, and the (numerical) stability and accuracy of the integral formulation were also discussed.
与其他分布参数模型的处理方法相比较，该文的仿真方法不仅具有较高的运算精度，而且在较大的时间步长下也有非常好的数值稳定性。
In comparison with other distributed parameter models, the calculation result of this model has showed that it has a quality of higher precision with numerical stability even at a big time step size.
而且这也要求美联储对于它所估计的自然失业率数值有足够的信心——这是在测量众所周知的不稳定的数值。
And it would require the Fed to have a lot of confidence in its estimate of the natural unemployment rate, a notoriously slippery thing to measure.
当腐蚀浸泡的时间大于120分钟后，腐蚀产物在铝合金表面产生了明显的位阻作用，从而使腐蚀速率逐渐下降，直至48小时后，腐蚀速率趋于一相对稳定的数值。
Because of the place obstruction of corrosion products in the surface of the alloys, while corrosion time is at 120 minutes above, the corrosion rate descends to the stable value in 48 hours.
数值算例验证了本文方法具有精度高和稳定性好的特点。
The numerical example validates the good accuracy and high efficiency of this method.
结合运动信号的积分处理提出一种行之有效的稳定化数值积分方法。
An effective stabilized numerical integral method is put forward in conjunction with the integrating processing of motion signals.
首先，目前在卫星动力学中常用的所有人造卫星运动方程的数值解法有待改进的最重要的问题就是稳定性问题。
First, now in all common numerical methods for the satellite dynamics equations the most important problem that needs to be improved is stability problem.
另外，随着加铋后石墨球的细化，低温冲击韧度数值波动变小，性能变得更加稳定。
Additionally, the fluctuations in low-temperature toughness are reduced by adding Bi to refine graphite sphere, the performance becomes more stable.
通过实验验证了计算机数值模拟的可参照性和该优化算法的稳定性。
Finally, it proves experimentally that the computer numerical simulation is reliable and the optimal algorithm is stable.
通过实验验证了计算机数值模拟的可参照性和该优化算法的稳定性。
Finally, it proves experimentally that the computer numerical simulation is reliable and the optimal algorithm is stable.
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