查询词典 numerical approach

The model was solved by the Ritz method, and the orthogonal polynomials generated by the Gram-Schmidt process were employed as admissible function for both disk and blades. With this approach, the matrix derived from kinetic energies becomes diagonal and numerical manipulation can become easy and stable.

采用Gram-Schmidt方法生成正交多项式作为李兹容许函数进行模型的离散化，简化了所得到的频率方程求解过程，有利於求解过程的数值稳定性，并可方便地通过对方程系数性质的分析了解结构振动模态的性质。

This paper conducts a numerical simulation analysis on the fluid-solid coupling of the bridge tower and air by adopting CFD approach.

本文采用CFD方法，在对桥塔进行绕流分析的基础上，还对桥塔—气流的相互作用进行了流固耦合的数值模拟分析。

a modified approach of pitch detection based on bloomfield model was proposed in this paper, and it introduced numerical filter to overcome the inherent flaws of the bf model.

该文提出一种改进的在基于bloomfield模型语音检测算法，该方法引入数值滤波器克服了bf模型固有的缺陷。

Numerical simulations show that similar to their counterpart in deterministic nonlinear system some symmetry-breaking bifurcation may occur in the stochastic Duffing-Van der pol system, and Chebyshev polynomial approximation is an effective approach in solving dynamical problems of nonlinear system with random parameter.

数值模拟显示随机Duffing-Van der pol系统与确定性均值参数系统有着类似的对称破裂分岔行为，文中的主要数值结果表明Chebyshev多项式逼近法是研究非线性随机参数系统动力学问题的一种有效方法。

Finally, a numerical example shows the conservativeness of both the parameter and saturation-dependent Lyapunov approach is lower than the other ones.

最后，算例显示同时参数和饱和依赖李亚普诺夫函数处理法所得结果的保守性较之其它两法要小。

To verify the new approach, an open-ended empty rectangular cavity and cavity loaded with a metal cuboid are analyzed. The numerical results are in agreement with the published data and those obtained by FDTD. Good convergence behavior is observed.

为了验证理论模型的正确性，该文对某一矩形空腔及底部加载金属台阶的腔体进行了分析，计算结果与文献数据以及用时域有限差分法所得结果一致，并具有很好的收敛效果。

The numerical results indicate that the generalized Dirichlet distribution should be a reasonable prior, and the computation in forecasting coproduct output is relatively straightforward with respect to the approximation approach.

本研究所採用的贝氏统计分析方式，对於预测生產量的计算，比求近似解的方法简单，可计算变数二阶以上的动率，而且在使用的时机上较不受限制。

In this paper, a novel synchronization acquisition approach using the early-late gate for FFH/BFSK system is proposed, and it is based on frequency-PN sequence double pattern. Analytical and numerical results show the following advantages: the decision of threshold is more simple and accurate, and it overcomes the unreliableness of one-hop data demodulation, the unreliableness is caused by the not-alignment hop window of transmitter and receiver.

摘要针对FFH/BFSK系统的同步难题，该文提出了一种基于频率和PN序列双图案的早迟门同步捕获方法，理论分析和仿真结果显示，该方法门限的选择更为简单、准确；克服了全跳解调时由于收发窗口未同步引起的解调不可靠性。

The paper considers the Dugdale model in elasto-plastic fracture mechanics, and smoothness of the wedge profile, which suppress the stress singularities both at the edges of contact and at the sharp corners. The approach avoids the self-consistent numerical calculations for the real material potential.

研究中运用弹塑性断裂力学中的Dugdalc模型和对冲头尖角的连续化处理，消除了接触区边缘及尖角处的应力奇异性，并避开了自洽问题数值求解的困难，得到了完整的理论公式。

Secondly the structure error equation was analyzed by using the numerical interpolation approach and giving the initial solution of the optimization model.

利用球面四杆机构函数综合的封闭形式解，通过引入比例系数，推导了结构偏差的方程式，并构造了精确点选择的优化数学模型。

Since historical times,England ,where the early inhabitants were Celts, has been conquered three times .

从有历史以来，英国，在此地早期居住的是凯尔特人，已经被征服了三次。

Bluetooth OBEX File Transfer Enables the sending and receiving of files on your phone via Bluetooth.

蓝牙OBEX文件移动允许经过蓝牙传送和接受文件。。。。