These results and calculating process demonstrate BEMS merits more evidently when it is applied to the surrounding rock analysis of underground tunnels. 整个计算过程与最终成果均表明边界元法的各种优点在地下洞群围岩分析中表现得特别显著。
This dissertation presents the scheme to apply the regularization algorithm to multi-domain boundary element methods ( BEMs) and contact BEMs. 文章阐述了多域边界元法的基本原理,给出了几乎奇异积分正则化算法在多域边界元法中应用的基本列式。
Based on this research, I hope BEMS subjective needs, attitudes and motivations can be highlighted in BE teaching process to approach a higher BE achievements. 在本研究的基础上,作者希望在商务英语教学的过程中,学习者的主观要求,态度和动机能够得到充分的重视,从而提高商务英语学习的成绩。
Besides, the new algorithm is applied to the static contact BEMs. 本文讨论了正则化算法在静态接触边界元法中的应用。
The mechanical parameters of the near-boundary-point in multi-domain BEMs and contact BEMs are evaluated successfully by utilizing the regularization algorithm. Thereafter, it makes that the application of boundary element methods in engineering is widened. 本文运用几乎奇异积分的正则化算法,成功求解了多域边界元法和接触边界元法中近边界点的力学参量,进一步拓宽了边界元法的应用范围。
Then, the non-linear parts are estimated in BEMs with less modeling error. At last, the results from both BEM and linear model are combined to get the final channel gains. 然后使用基扩展模型对于非线性分量进行估计,从而减少基扩展模型的建模误差,最后把估计结果与线性模型的估计结果整合得到最终的信道增益。
Based on existing model, this paper proposes the channel estimation iterative algorithm with the channel decomposition to reduce the modeling error of BEMs. 本论文在现有成熟基扩展模型基础上提出基于信道分解的信道估计迭代算法,旨在减少基扩展模型的建模误差。
Finally, MATLAB simulation results of channel estimation performances using different BEMs and bit error rate results after equalization are given and analyzed. 最后给出并分析了各种基扩展模型信道估计性能的仿真结果和均衡后的误比特率仿真结果。