查询词典 mathematical model

Further, the stiffness matrix and force vector in this model are derived to build a mathematical model for simulation.

论述了Windows2000/XP环境下，结合面向对象技术和MATLAB接口技术，开发摆线针轮行星齿轮减速机构的回转传动精度仿真系统的方法。

Based on recently advanced 〓 T cell fratricide model we set up a mathematical model.

基于近来提出的〓T细胞自相残杀假设，我们建立了一个数学模型。

B Through theoretical and experimental studies, the paper investigats the relationships between hammer geometer and stress waveform generated by the hammer. After the mechanical meanings of linear model used by others are demonstrated, a simple expression of rigidity of an equivalent spring for direct impact between a hammer and a rod is obtained. Based on the above work, a mathematical model and numerical method for the impact of the hammer with progressively changing cross-section on the rod are presented.

2应用理论分析和实验研究相结合的方法，探讨了冲击应力波波形和冲锤形状尺寸之间的关系；阐明了冲锤与杆撞击局部变形的线性模型的物理意义，继而分析讨论了冲锤端头曲率半径与撞击弹簧刚度的关系；在此基础上，提出了连续变截面冲锤与杆撞击的数学模型和计算方法。

Experimental study includes the law of flow field variation and variation of water surface in affected zone by the single groyne or twin-groyne. Mathematical modeling includes following the trail of water surface in 2-D and 3-D conditions, model developing, verifying and applying ofthe model as well.

实验研究包括单丁坝及双丁坝条件下丁坝影响区内流场及水面变化规律；数学模拟方面包括二维和三维自由水面追踪及流场数学模型开发、验证和应用。

An unsteady aerodynamic model based on Fourier analysis is developed in the frequency domain with the theory of system identification and the experimental data of large amplitude harmonic oscillation. This unsteady aerodynamic mathematical model is used to extract dynamic derivatives, and the meaning of a time-lag loop is analyzed.

应用系统辨识理论，利用纵向大振幅非定常气动力实验数据，在频率域内建立了基于Fourier变换法的非定常气动力数学模型，并发展了一种获取常规动导数的仿真实验方法，分析了迟滞环的物理意义。

This study firstly based on Kubelka-Munk law, and adopted the method of three stimulate value match, then established mathematical model of hectograph special color printing ink that was about tricolor ink. Moreover it presented calculation method of parameter that was necessary to answer model.

本论文首先以库贝卡--芒克定律为基础，采用三刺激值相匹配的方法，建立了以三原色油墨为基本配色墨的胶版印刷专色油墨的配色数学模型，并给出了配色模型所需参数的求解方法。

To meet the requirements of dynamic formation of eMC-MS, a honeycombed layout of eMC-MS and corresponding material transportation system are presented. According to the production capacity and the process flow of the specified manufacturing cell, a mathematical model and a Genetic Algorithm model are designed to search the optimal layout result.

布局优化技术作为eMC-制造系统的基础支撑技术是本文的研究重点之一，针对eMC-制造系统的特点和系统动态规划的要求，本文提出了一种蜂窝式制造系统布局形式和相应的物料传输体系，根据制造单元的设备类型、生产能力和基本工艺流程，按照运输成本最低的原则，利用遗传算法解决了eMC-制造单元的布局优化问题。

This strategy follows the route from actual object modeling to model hypostatization. It adopts composite model of mathematical optimization and simulation. And the relevant theory and methods presented in this dissertation as well as the decision-making methods (e. g. fuzzy synthetic evolution) are put into use comprehensively.

它按照从实物模型化到模型实物化的求解路线，采用数学优化和仿真的复合模型，在人机合作的思想指导下，综合利用了本文提出的相关理论、方法以及模糊综合评判等方案评价手段。

Based on the segmented unstructured model of Nosiheptide fermentation process, the secondary variables are selected according to the implicit function existence theorem. The on-line identification of fermentation phases is accomplished by using an indicator variable which is gained by mathematical inference, and for each phase, a local soft sensor model is developed.

首先以分阶段的诺西肽发酵过程非结构模型为基础，根据隐函数存在定理进行辅助变量的合理选择；然后利用经数学推导得到的指示变量"伪比生长率"完成发酵阶段的在线辨识，并采用神经网络构建出对应于各阶段的局部软测量模型。

The conclusion is drawn that the included angle of each branch of the blood vessel are equal by making a mathematical model of the vascular branches and analyzing the model from the view of optimization.

通过对血管分支建立数学模型，从优化角度进行分析得出每个血管分支夹角相等的结论，该模型为求出血管的条数和分支数，讨论血管的总长度提供了理论依据。

This paper designs the communication system of radio telescope FAST.

针对500m口径球面射电望远镜FAST分布式控制系统的特点完成了其通信系统的设计。

Political sheep's step-by-step a large number of fossils unearthed in the county soil Ma Ali after rural village in the middle of sallow pelitic siltstone.

步氏和政羊化石大量出土于广河县阿力麻土乡后山村，产于灰黄色泥质粉砂岩中。